Crowdcube

Metalchemy is a nanotechnology company focused on green nanomaterials, bio-nanotechnology, and bioplastics. It develops products derived from green nanomaterials and converts waste into nanomaterials, enabling industries to access eco-friendly nanotechnology to reduce food waste and address the climate crisis, with the goal of a healthier and more sustainable future.

3Ti is a UK-based solar energy company specializing in the design, construction, financing, and operation of solar car parks. The company focuses on transforming car parks into renewable energy power stations equipped with integrated electric vehicle (EV) charging and Battery Energy Storage Systems (BESS). By leveraging advanced technologies and market-leading hardware, 3Ti delivers comprehensive solutions that include consultancy, data analysis, planning, financing, installation, and ongoing maintenance. This approach not only generates and stores clean electricity for businesses but also provides essential EV charging infrastructure for employees, suppliers, customers, and the public. Additionally, 3Ti has developed a mobile solar EV charging hub for locations where fixed installations are not feasible, further enhancing accessibility to renewable energy and promoting the adoption of electric vehicles.

Thrive Renewables is a renewable energy company focused on facilitating the transition to a sustainable energy future. It connects individuals and businesses with clean energy projects, providing accessible investment opportunities that promote environmental, financial, and social benefits. By enabling clients to invest in these projects, Thrive Renewables aims to reduce emissions and address the climate emergency while fostering a meaningful connection between people and sustainable energy initiatives.

The Heat Vault Company is a business specializing in energy storage solutions. It develops and implements a proprietary heat storage technology, designed to enhance energy security and facilitate the transition to renewable energy sources. The company's services include mitigating the intermittency of renewable energy, preventing energy waste through curtailment, recycling and augmenting industrial heat, and decarbonizing heat networks. By efficiently storing excess heat, The Heat Vault enables households and businesses to reduce their reliance on traditional energy sources, thereby accelerating the adoption of renewable energy.

Intra Drive specializes in manufacturing powertrain components for electric bicycles (e-bikes) and other mobility units. The company's core product is an integrated motor-gearbox unit designed to enhance reliability and performance, replacing traditional derailleur systems.

Fishy Filaments recycles discarded fishing nets into 3D printer filament and other recycled materials using proprietary technology, transforming waste from the fishing industry into recycled nylon and composite materials for 3D printing, injection molding, and engineering applications. The company aims to improve sustainability in UK fisheries by providing low-cost feedstock and has potential for international expansion, while its materials are positioned to offer significantly lower carbon emissions than virgin equivalents.

Caldera, founded in 2017 and headquartered in Fareham, United Kingdom, specializes in the development of the Warmstone Heat Battery, an innovative heat storage solution aimed at reducing carbon emissions. The company’s heat battery utilizes renewable electricity to provide zero-carbon heating for both residential and industrial applications. It functions by charging from renewable energy sources and discharging heat in a manner similar to conventional boilers. This technology is particularly beneficial for homes that are unsuitable for heat pumps and need high power and high-temperature water flows for effective heating. By offering a sustainable and affordable heating alternative, Caldera contributes to the transition towards renewable energy solutions.

Pavegen Systems Ltd. develops innovative flooring technology that transforms kinetic energy from footsteps into renewable electricity. Founded in 2009 and based in London with an additional location in Cambridge, the company offers its advanced V3 technology, which maximizes energy output and data capture. This energy can power various applications such as street lights, signage, and communication networks in both indoor and outdoor settings. Pavegen also features PAVEGEN LIVE, an initiative that collaborates with global brands and agencies to showcase its patented technology at events. With over 150 installations worldwide, including notable projects in Washington DC, Pavegen empowers communities by connecting them to sustainability and smart city concepts, fostering a greater understanding of clean energy and its benefits.

Cornish Tin Limited works to advance the Great Wheal Vor Project, a collection of 26 former producing tin and copper mines in Cornwall's Mining District of Breage, into a net zero carbon enterprise powered by renewable energy. Cornish Tin is headquartered in Truro, Cornwall and was founded in 2017.

Exceedence Ltd. is a company that specializes in developing financial planning, evaluation, and optimization software tailored specifically for the renewable energy sector. Founded in 2014 and headquartered in Ringaskiddy, Ireland, Exceedence's software facilitates comprehensive evaluations in marine renewable energy areas, including wind, offshore wind, wave, and tidal technologies. The platform offers decision support services that empower clients to create financial plans based on project implementation and provides actionable data on the energy sector, ultimately enabling effective future investment planning. By adhering to international standards, Exceedence aims to foster the commercialization and investment within the renewable industry through its credible and robust software solutions.

Marine Power Systems Ltd. is a Swansea-based company focused on developing innovative marine renewable energy technologies. Established in 2008 by engineering graduates from Swansea University, the company specializes in the WaveSub, a wave energy converter designed to harness wave energy for electricity generation. The WaveSub operates underwater, adjusting its depth to optimize energy capture and to withstand severe weather conditions. By utilizing orbital motion with the waves, Marine Power Systems aims to reduce the costs associated with wave energy generation, contributing to the advancement of sustainable energy solutions.

Founded in London in 2015, Pearlstone is a Demand Response Aggregator that supports National Grid by balancing energy supply and demand. It offers DSR services to large consumers across private and public sectors, specializing in cloud-based platforms for automated load management and zero-cost installations.

Sunstone IP Systems develops innovative solar power technologies that provide surveillance, wireless networks, and satellite communications to remote locations worldwide. Serving industries such as oil and gas, defense, highways infrastructure, telecommunications, and construction equipment, the company offers products like solar-powered CCTV systems, solar power stations, and solar drone charging stations.

INNengine, established in 2011 in Spain, specializes in innovative internal combustion engine technology. The company has developed a revolutionary engine architecture, 22% more efficient, four times more powerful, and 70% lighter and smaller than conventional 4-stroke engines. This proprietary design, featuring opposed pistons and reciprocal cam tracks, enables multi-fuel capabilities and eliminates vibrations. INNengine aims to license its technology to the global automotive industry, targeting the over 226 million units expected to be produced annually by 2027. With patents granted in key markets such as the US, EU, Japan, and China, INNengine's technology has successfully powered both passenger cars and unmanned aerial vehicles. The company's long-term vision is to lead the global net-zero emissions challenge, with a focus on green hydrogen developments in aviation and electrified range extenders for mobility.

Solivus specializes in lightweight rooftop solar technology for commercial and industrial buildings. Their systems are designed for easy installation and operation, enabling businesses across various sectors to reduce their carbon footprint and generate renewable energy.

Kitemill develops technology for generating renewable energy safely and cost-effectively using airborne wind power. This innovative approach harnesses the stronger, more consistent winds high above Earth's surface, offering a nearly unlimited source of clean energy.

Seafields Solutions develops carbon removal solutions based on ocean-grown seaweed. It compresses Sargassum into natural carbon batteries and sinks the bales to the abyssal plain to lock away CO2 for millennia. The company operates offshore aquafarms to control sargassum growth and creates a diversified product value chain that provides feedstock and other seaweed-derived materials, enabling customers to reduce emissions while supporting ocean restoration.

Gravitricity is a company that has developed an innovative gravity-fed energy storage system, combining the benefits of lithium batteries and traditional pumped storage. The system operates by suspending a heavy weight in a deep shaft, utilizing a series of cables connected to winches that can lift or lower the weight. This mechanism generates electrical power, making it an effective solution for network-constrained users, distribution networks, and large power consumers. Gravitricity's technology is designed to enhance the existing grid infrastructure and facilitate the transition to renewable energy sources.

Katrick Technologies is a fast-growing green technology company that specializes in developing innovative solutions for renewable energy. The company focuses on capturing and converting energy from waste heat and wind through oscillation-based technologies, resulting in the generation of zero-carbon electricity. Its patented wind panel technology is uniquely designed to harness turbulent ground-level winds, targeting an extensive and untapped urban market. By utilizing vibrations from various environmental sources, including waste heat, wind, noise, and waves, Katrick Technologies aims to contribute significantly to a sustainable energy future while offering power-saving benefits.

Bonnet Ltd. is a London-based company established in 2019 that specializes in charging-as-a-service solutions for electric vehicle drivers. Its platform simplifies the charging experience by enabling users to access a wide network of public chargers through a single application, eliminating the need for separate registrations with individual charging networks. By streamlining the process, Bonnet aims to enhance convenience for both drivers and businesses, facilitating easier and more efficient electric vehicle charging.

Earthly is a company that helps businesses reduce their carbon footprint by sourcing and funding nature-based solutions globally. It operates a science-backed marketplace of climate projects that meet standards approved by an independent scientific board and monitored by satellite, enabling corporations to remove carbon, restore natural ecosystems, and support communities affected by climate change. A Certified B Corp, Earthly targets removing 1 billion tonnes of CO2 by 2030 and emphasizes projects with high integrity and measurable impact. The company provides climate-positive certifications and visualization tools to align projects with clients' environmental and social goals, translating ambition into funded conservation and restoration work across diverse ecosystems. By connecting businesses with nature-based solutions, Earthly aims to unlock more funding for critical projects and scale impact beyond traditional approaches.

Carbon Gold Ltd. specializes in the production of biochar, a charcoal-like substance that serves both as a soil supplement and a method for carbon capture and sequestration. Established in 2007 and headquartered in Hastings, United Kingdom, the company manufactures biochar by heating a variety of agricultural materials, including crop residues and tree prunings. Its products, which include biochar-based composts, fertilizers, and soil improvers, are designed to enhance plant health and are approved for use in organic agriculture. By promoting the utilization of biochar, Carbon Gold aims to enable farmers and growers to adopt more sustainable practices, ultimately helping to reduce the agricultural sector's carbon footprint and mitigate its impact on global warming. The company's offerings are distributed worldwide, providing solutions for home and professional growers seeking fertile soils and healthy plants while minimizing their environmental impact.

Levistor is a British company developing durable energy storage technology designed to enable super-fast charging of electric vehicles. The company specializes in laminated flywheel systems, eliminating traditional containment needs and integrating flywheel technology with high-speed turbomachinery.

ZPE specializes in the design and manufacture of axial steam engines that convert waste industrial heat and excess process steam into carbon-free electricity. This innovative technology is effective for industrial applications requiring saturated steam at pressures between 10 to 16 barg, with each unit capable of generating up to 200 kWe. ZPE's solutions are particularly advantageous for large industrial processes where waste heat or excess steam is inconsistent or insufficiently hot for traditional turbines but exceeds the requirements of Organic Rankine Cycle systems. By utilizing these electricity harvesting systems, businesses can enhance energy efficiency, save on fuel and power costs, and contribute to sustainability efforts while reducing emissions.

Integrals Power Limited is a battery nano-materials company focused on the research, development, and commercialization of advanced battery technologies. Comprising a team of entrepreneurs, scientists, and engineers, the company has conducted extensive market research to create commercially viable battery materials. Integrals Power specializes in the design and production of high-performance, cost-effective, and scalable battery cathode materials, including Lithium Iron Phosphate for lithium-ion batteries. Additionally, the company provides battery material and test engineering systems aimed at the nanomaterials and renewable energy sectors, which help identify errors early in the development process, thereby reducing costs and facilitating advancements in battery technology. Through its innovative approach, Integrals Power supports the transition to zero-carbon energy applications.

RheEnergise is an innovative company focused on advancing pumped hydro storage through its proprietary High-Density Hydro technology. This approach utilizes a high-density fluid instead of traditional water, allowing for more compact energy storage solutions that are 2.5 times smaller while providing the same power output. By combining aspects of conventional pumped hydro storage with modern energy transition requirements, RheEnergise aims to create ultra-scalable and cost-effective long-duration energy storage systems. The company's technology facilitates the regeneration of electricity by releasing the high-density fluid through turbines, effectively supplying power to the grid. This advancement positions RheEnergise to offer one of the lowest-cost energy storage solutions, enhancing flexibility and reliability for power grids as they adapt to increased renewable energy demands.

Carnot is a London-based company founded in 2019 that specializes in developing hydrogen engines aimed at significantly reducing fuel consumption and achieving zero carbon dioxide emissions. Its innovative engine design boasts twice the efficiency of traditional engines while halving fuel consumption, positioning it as a transformative solution for the long-haul transport, marine, and off-grid power sectors. By focusing on powertrain efficiencies and net-zero capabilities, Carnot's technology aims to enhance environmental conditions and contribute to the reduction of global carbon emissions.

Napptilus Battery Labs is developing innovative fast-charging electric batteries that charge in under five minutes with extended lifespan. Engineered using a novel hybrid nanomaterial electrode, these batteries are easier to manufacture and have patented intellectual property developed by ICN2 in Barcelona.

Kitepower is a manufacturer of high-altitude wind energy systems that use lightweight wings on high-performance kites with flexible lines, controlled by intelligent systems to harvest persistent winds at higher altitudes with a built-in safety mechanism. Founded in 2015 and based in Delft, South Holland, the company aims to offer utilities a safer, lower-cost path to generating clean electricity using wind energy without the need for conventional tall towers and heavy infrastructure.

Wunderhaus is a developer of innovative housing solutions aimed at addressing energy and climate challenges. The company specializes in constructing carbon-negative homes that generate more energy than they consume, ensuring both sustainability and efficiency. Each house is designed with advanced features, such as uninterrupted allergy-friendly air filtration and infrared heating technology, to enhance indoor comfort and health. Additionally, all vital infrastructure within the homes can be monitored and controlled remotely through mobile devices, allowing residents to maintain a beautiful and comfortable living environment while safeguarding their wellbeing.

Aeropowder Ltd is a London-based company founded in 2016 that specializes in developing and manufacturing sustainable materials from poultry feather waste. The company aims to create a new value chain by utilizing the approximately 10 million tons of feathers generated annually. Its flagship product, Pluumo, is an innovative thermal packaging material designed to outperform traditional expanded polystyrene, particularly in temperature-sensitive deliveries such as food and pharmaceuticals. Aeropowder's materials are made from keratin proteins, which provide water repellency and thermal and acoustic insulation. The company's mission is to harness the potential of the circular economy by enabling the local production of high-performance materials wherever feathers are available, thus promoting environmental sustainability in both the creation and disposal of its products.

Roadmender Asphalt is a UK-based company that specializes in the manufacture and distribution of road mender machines, hotbox reclaimers, and infrared recyclers, primarily for asphalt patching and pothole repairs. The company is committed to promoting circular economies by significantly reducing the cost and carbon footprint associated with the maintenance of roads, airfields, ports, and other critical infrastructure. Roadmender Asphalt has developed innovative recycling technology that transforms end-of-life waste tires into a versatile industrial-strength adhesive, which is utilized in various commercial applications. By focusing on sustainability, the company provides clients with eco-friendly and cost-effective solutions for repairing local roads, telecoms, and industrial parks.

GoParity is an online investment platform based in Lisbon, Portugal, founded in 2017. It facilitates crowdfunding for sustainable projects by connecting investors with initiatives in areas such as renewable energy, blue economy, smart cities, rural development, and social entrepreneurship.

CCell is an environmental services company focused on restoring coastal ecosystems and protecting beaches through innovative technology. By utilizing 100% renewable energy, CCell grows rock from seawater minerals to create natural barriers against erosive waves. This approach not only protects coastlines from erosion but also provides a supportive foundation for coral and oyster growth. The company's solution aims to enhance marine ecosystems while benefiting coastal communities, governments, and the hospitality sector. By working harmoniously with nature, CCell offers a sustainable alternative to traditional coastal protection methods, contributing to long-term ecological health and resilience.

3Ti is a UK-based solar energy company specializing in the design, construction, financing, and operation of solar car parks. The company focuses on transforming car parks into renewable energy power stations equipped with integrated electric vehicle (EV) charging and Battery Energy Storage Systems (BESS). By leveraging advanced technologies and market-leading hardware, 3Ti delivers comprehensive solutions that include consultancy, data analysis, planning, financing, installation, and ongoing maintenance. This approach not only generates and stores clean electricity for businesses but also provides essential EV charging infrastructure for employees, suppliers, customers, and the public. Additionally, 3Ti has developed a mobile solar EV charging hub for locations where fixed installations are not feasible, further enhancing accessibility to renewable energy and promoting the adoption of electric vehicles.

Greenely develops an application that enables users to monitor electricity consumption and provides tips for savings. With over 150,000 connected homes, the company aims to create zero-emission communities by optimizing energy usage through its platform.

Oxwash is a provider of sustainable on-demand laundry and dry cleaning services based in Oxford, United Kingdom. Founded by Dr. Kent Grant in 2018, the company focuses on delivering clinically clean garments while maintaining a commitment to net zero carbon emissions throughout its operations. Oxwash utilizes a fleet of electric cargo bikes and electric vans to ensure a nationwide zero-emission logistics footprint, enhancing its eco-friendly approach. The company's services are designed to meet the needs of customers seeking environmentally responsible washing solutions, promoting sustainability in the laundry industry.

Podbike designs and manufactures enclosed electric-assisted personal urban mobility vehicles. The flagship four-wheeled model provides full weather protection and seating for one adult and a child, combining pedal assistance with integrated lighting and aerodynamic bodywork to enable year-round, low-emission urban travel. The company emphasizes safe, sustainable transport with minimal environmental impact and compliant operation under EU e-bike regulations, targeting select European markets. Production aims for sustainability and ethical practices, offering a practical alternative to cars for short urban trips.

RheEnergise is an innovative company focused on advancing pumped hydro storage through its proprietary High-Density Hydro technology. This approach utilizes a high-density fluid instead of traditional water, allowing for more compact energy storage solutions that are 2.5 times smaller while providing the same power output. By combining aspects of conventional pumped hydro storage with modern energy transition requirements, RheEnergise aims to create ultra-scalable and cost-effective long-duration energy storage systems. The company's technology facilitates the regeneration of electricity by releasing the high-density fluid through turbines, effectively supplying power to the grid. This advancement positions RheEnergise to offer one of the lowest-cost energy storage solutions, enhancing flexibility and reliability for power grids as they adapt to increased renewable energy demands.

Sunstone IP Systems develops innovative solar power technologies that provide surveillance, wireless networks, and satellite communications to remote locations worldwide. Serving industries such as oil and gas, defense, highways infrastructure, telecommunications, and construction equipment, the company offers products like solar-powered CCTV systems, solar power stations, and solar drone charging stations.

Cornish Tin Limited works to advance the Great Wheal Vor Project, a collection of 26 former producing tin and copper mines in Cornwall's Mining District of Breage, into a net zero carbon enterprise powered by renewable energy. Cornish Tin is headquartered in Truro, Cornwall and was founded in 2017.

Metalchemy is a nanotechnology company focused on green nanomaterials, bio-nanotechnology, and bioplastics. It develops products derived from green nanomaterials and converts waste into nanomaterials, enabling industries to access eco-friendly nanotechnology to reduce food waste and address the climate crisis, with the goal of a healthier and more sustainable future.

ERTHA is a company based in Pontevedra, Spain, that specializes in the manufacture of eco-friendly surfboards as sustainable alternatives to conventional boards. By employing advanced production technologies alongside the craftsmanship of local woodworkers, ERTHA creates high-performance surfboards with a low environmental impact. The company's commitment to sustainability allows surfers to enjoy their sport while minimizing their ecological footprint.

Inclusive Energy specializes in remote monitoring and analytics solutions tailored for solar and biogas companies in the Global South. The company develops energy monitoring and control devices that capture real-time data from biogas digesters and solar photovoltaic systems. This data is transmitted to the cloud for analysis, providing valuable insights and automated control functions. By bridging the gap between off-grid energy providers, end-users, and carbon markets, Inclusive Energy aims to enhance customer engagement and support efficient management within the clean energy sector.

Solivus specializes in lightweight rooftop solar technology for commercial and industrial buildings. Their systems are designed for easy installation and operation, enabling businesses across various sectors to reduce their carbon footprint and generate renewable energy.

Earthly is a company that helps businesses reduce their carbon footprint by sourcing and funding nature-based solutions globally. It operates a science-backed marketplace of climate projects that meet standards approved by an independent scientific board and monitored by satellite, enabling corporations to remove carbon, restore natural ecosystems, and support communities affected by climate change. A Certified B Corp, Earthly targets removing 1 billion tonnes of CO2 by 2030 and emphasizes projects with high integrity and measurable impact. The company provides climate-positive certifications and visualization tools to align projects with clients' environmental and social goals, translating ambition into funded conservation and restoration work across diverse ecosystems. By connecting businesses with nature-based solutions, Earthly aims to unlock more funding for critical projects and scale impact beyond traditional approaches.

Pawprint is a technology company that operates a platform designed to facilitate corporate climate action. It engages employees of client companies in collective efforts towards achieving net-zero carbon emissions targets. The platform measures employee attitudes towards climate change and enables businesses to take meaningful action, gaining a competitive edge while aligning with broader business goals. Recent clients include Direct Line, Browne Jacobson, Energy Saving Trust, Royal London, CGI, Tesco Bank, TotalEnergies, Vodafone, innocent drinks, and abrdn.

Founded in 2011, Celtic Renewables produces sustainable biofuels and chemicals using residues from the Scottish malt whisky industry. Its primary product is biobutanol, a direct replacement for petrol and diesel, along with acetone, butanol, ethanol (ABE), and sustainable animal feed.

Carnot is a London-based company founded in 2019 that specializes in developing hydrogen engines aimed at significantly reducing fuel consumption and achieving zero carbon dioxide emissions. Its innovative engine design boasts twice the efficiency of traditional engines while halving fuel consumption, positioning it as a transformative solution for the long-haul transport, marine, and off-grid power sectors. By focusing on powertrain efficiencies and net-zero capabilities, Carnot's technology aims to enhance environmental conditions and contribute to the reduction of global carbon emissions.

Zhyphen specializes in manufacturing modular lithium iron phosphate battery units for smart energy and grid solutions. Their turn-key solutions include proprietary software for energy management and control, along with scalable micro-grid configurations.

Founded in London in 2015, Pearlstone is a Demand Response Aggregator that supports National Grid by balancing energy supply and demand. It offers DSR services to large consumers across private and public sectors, specializing in cloud-based platforms for automated load management and zero-cost installations.

Levistor is a British company developing durable energy storage technology designed to enable super-fast charging of electric vehicles. The company specializes in laminated flywheel systems, eliminating traditional containment needs and integrating flywheel technology with high-speed turbomachinery.

Hybrid Air Vehicles designs and manufactures hybrid air vehicles that integrate helium-filled envelopes with aerodynamic lift and advanced powertrain technologies to transport passengers and cargo. The company's aircraft fuse elements from airships, fixed-wing aircraft, and helicopters to enable versatile, long-range operations with reduced environmental impact. By combining proven aerospace technologies, Hybrid Air Vehicles aims to offer scalable, zero-emission capable solutions for sectors such as passenger transport and logistics, delivering significant reductions in emissions compared with conventional aircraft. The company focuses on the development and production of high-capacity, energy-efficient air vehicles that provide a sustainable alternative for large-group travel and cargo transportation.

Designable is an architecture firm dedicated to creating customizable and sustainable homes that promote zero-carbon lifestyles. The company leverages technology to enhance the real estate industry and empower individuals with greater control over their living spaces. By connecting neighboring communities with available land, Designable facilitates the development of sustainable buildings on demand. This approach allows clients to design their future eco-homes, utilizing renewable energy solutions to ensure efficient insulation and significantly reduce construction costs. Through its innovative efforts, Designable aims to contribute to environmental sustainability and combat climate change.

ENSO is a pioneering company in the tyre industry focused on creating environmentally friendly tyres specifically for electric vehicles. By utilizing advanced raw materials, ENSO's tyres enhance energy efficiency, leading to reduced energy consumption and extended driving range on a single battery charge. The company addresses the environmental impact of traditional tyres by minimizing both the volume and toxicity of tyre dust, while also achieving lower rolling resistance and weight. Recognized as an Emerging Innovator in the CE100 Group by the Ellen MacArthur Foundation, ENSO actively supports the UN Sustainable Development Goals, underscoring its commitment to sustainable innovation in transportation.

Daphne Technology SA is a climate technology company based in Ecublens, Switzerland, founded in 2017. The company specializes in catalyst-free, nano-technology solutions designed to help the petrochemical, power, and transportation industries significantly reduce air emissions in accordance with international and national regulations. Its patented technology effectively breaks down toxic pollutants, converting them into non-hazardous elements or valuable by-products. This miniaturized solution is particularly well-suited for marine vessels and offers a cost-effective alternative to existing technologies by lowering both capital and operational costs without necessitating a switch in fuel sources. As a result, Daphne Technology addresses environmental challenges by enabling a cleaner and more sustainable approach to emissions management across various sectors.

Gravitricity is a company that has developed an innovative gravity-fed energy storage system, combining the benefits of lithium batteries and traditional pumped storage. The system operates by suspending a heavy weight in a deep shaft, utilizing a series of cables connected to winches that can lift or lower the weight. This mechanism generates electrical power, making it an effective solution for network-constrained users, distribution networks, and large power consumers. Gravitricity's technology is designed to enhance the existing grid infrastructure and facilitate the transition to renewable energy sources.

BuffaloGrid is a pioneering company that provides mobile power and internet connectivity solutions to off-grid communities worldwide. Their mission is to empower the next billion smartphone users in frontier markets, enabling them to improve their quality of life and business activities through access to mobile digital services. The company's innovative technology includes an advanced off-grid phone charging system powered by solar energy, which can also communicate with a cloud platform using SMS and the internet. This allows users to access digital content and services, bridging the digital divide and fostering socio-economic development.

Caldera, founded in 2017 and headquartered in Fareham, United Kingdom, specializes in the development of the Warmstone Heat Battery, an innovative heat storage solution aimed at reducing carbon emissions. The company’s heat battery utilizes renewable electricity to provide zero-carbon heating for both residential and industrial applications. It functions by charging from renewable energy sources and discharging heat in a manner similar to conventional boilers. This technology is particularly beneficial for homes that are unsuitable for heat pumps and need high power and high-temperature water flows for effective heating. By offering a sustainable and affordable heating alternative, Caldera contributes to the transition towards renewable energy solutions.

Fishy Filaments recycles discarded fishing nets into 3D printer filament and other recycled materials using proprietary technology, transforming waste from the fishing industry into recycled nylon and composite materials for 3D printing, injection molding, and engineering applications. The company aims to improve sustainability in UK fisheries by providing low-cost feedstock and has potential for international expansion, while its materials are positioned to offer significantly lower carbon emissions than virgin equivalents.

Five Points Brewing Company is an independent brewery based in Hackney, London, established in 2013. It focuses on quality and community, delivering unfiltered and unpasteurized beers to preserve flavour and aroma, inspired by the British real-ale tradition and international craft beer influences. Its portfolio includes flagship beers plus regular limited and small-batch releases, including a barrel-aged program. The company is committed to social responsibility and sustainability: it was the first UK brewery to be accredited Living Wage Employer and pays the London Living Wage; electricity is sourced entirely from renewable sources; and it supports local charitable, arts and community projects and runs an apprenticeship scheme to train brewers.

MPower Ventures AG is a company that operates a crowdfunding platform focused on providing affordable clean energy solutions to households and small and medium enterprises in emerging markets. Established in 2017 and headquartered in Zurich, Switzerland, with additional offices in Madrid, Shenzhen, Cameroon, and Zambia, MPower Ventures offers a range of products and services. These include high-quality Plug&Play solar kits and energy-efficient appliances designed for both domestic and productive use. The company also develops in-house software that tracks and digitizes operations, utilizing data to enhance financial inclusion for end-users. Additionally, MPower Ventures provides inclusive financing solutions for its partners and customers, ensuring that clean energy remains accessible and affordable.

Central Plains Group provides sustainable farming solutions and low-cost farming technology. It develops starch, vegetable proteins, and bioplastic products. Central Plains Group was founded in 2019 and is located in Scotland.

Sunstone IP Systems develops innovative solar power technologies that provide surveillance, wireless networks, and satellite communications to remote locations worldwide. Serving industries such as oil and gas, defense, highways infrastructure, telecommunications, and construction equipment, the company offers products like solar-powered CCTV systems, solar power stations, and solar drone charging stations.

H2GO Power develops hydrogen energy storage and generation technology, manufacturing an energy unit that produces and stores hydrogen to generate electricity on demand. Based in London, the company was founded in 2014 and originated as a spin-out from the University of Cambridge, focusing on safe and low-cost hydrogen production and storage. Its technology enables zero-emission and reliable power supply by combining green hydrogen solutions with an artificial intelligence platform that provides management and optimization algorithms. These capabilities help optimize generation, storage, energy usage, and the buying and selling of renewable energy, supporting scalable decarbonization of energy systems and broad social and environmental impact.

Innovate Recycle is a recycling company based in central England that has developed a clean, green mechanical process to extract high-quality substances from waste carpets. The recovered materials can be used to manufacture a wide range of new products, and the process helps increase recycled plastic content in products and packaging. By diverting carpet waste from incineration, the business aims to reduce carbon emissions and provide a sustainable source of material for carpet manufacturing and other industries.

Futurepump designs, develops, and manufactures solar-powered irrigation pumps for smallholder farmers, based in Kisumu, Kenya. The pumps provide a cleaner, cheaper, and more sustainable alternative to petrol- or diesel-powered irrigation, combining solar power with robust engineering and, in some models, remote monitoring to support easy maintenance and on-demand irrigation in rural settings.

Pawprint is a technology company that operates a platform designed to facilitate corporate climate action. It engages employees of client companies in collective efforts towards achieving net-zero carbon emissions targets. The platform measures employee attitudes towards climate change and enables businesses to take meaningful action, gaining a competitive edge while aligning with broader business goals. Recent clients include Direct Line, Browne Jacobson, Energy Saving Trust, Royal London, CGI, Tesco Bank, TotalEnergies, Vodafone, innocent drinks, and abrdn.

RheEnergise is an innovative company focused on advancing pumped hydro storage through its proprietary High-Density Hydro technology. This approach utilizes a high-density fluid instead of traditional water, allowing for more compact energy storage solutions that are 2.5 times smaller while providing the same power output. By combining aspects of conventional pumped hydro storage with modern energy transition requirements, RheEnergise aims to create ultra-scalable and cost-effective long-duration energy storage systems. The company's technology facilitates the regeneration of electricity by releasing the high-density fluid through turbines, effectively supplying power to the grid. This advancement positions RheEnergise to offer one of the lowest-cost energy storage solutions, enhancing flexibility and reliability for power grids as they adapt to increased renewable energy demands.

Carbon Gold Ltd. specializes in the production of biochar, a charcoal-like substance that serves both as a soil supplement and a method for carbon capture and sequestration. Established in 2007 and headquartered in Hastings, United Kingdom, the company manufactures biochar by heating a variety of agricultural materials, including crop residues and tree prunings. Its products, which include biochar-based composts, fertilizers, and soil improvers, are designed to enhance plant health and are approved for use in organic agriculture. By promoting the utilization of biochar, Carbon Gold aims to enable farmers and growers to adopt more sustainable practices, ultimately helping to reduce the agricultural sector's carbon footprint and mitigate its impact on global warming. The company's offerings are distributed worldwide, providing solutions for home and professional growers seeking fertile soils and healthy plants while minimizing their environmental impact.

Pawprint is a technology company that operates a platform designed to facilitate corporate climate action. It engages employees of client companies in collective efforts towards achieving net-zero carbon emissions targets. The platform measures employee attitudes towards climate change and enables businesses to take meaningful action, gaining a competitive edge while aligning with broader business goals. Recent clients include Direct Line, Browne Jacobson, Energy Saving Trust, Royal London, CGI, Tesco Bank, TotalEnergies, Vodafone, innocent drinks, and abrdn.

Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change. Clim8's mission is to move billions of pounds of investments into clean energy and truly green, sustainable companies.

Founded in 2011, Celtic Renewables produces sustainable biofuels and chemicals using residues from the Scottish malt whisky industry. Its primary product is biobutanol, a direct replacement for petrol and diesel, along with acetone, butanol, ethanol (ABE), and sustainable animal feed.

Carnot is a London-based company founded in 2019 that specializes in developing hydrogen engines aimed at significantly reducing fuel consumption and achieving zero carbon dioxide emissions. Its innovative engine design boasts twice the efficiency of traditional engines while halving fuel consumption, positioning it as a transformative solution for the long-haul transport, marine, and off-grid power sectors. By focusing on powertrain efficiencies and net-zero capabilities, Carnot's technology aims to enhance environmental conditions and contribute to the reduction of global carbon emissions.

MPower Ventures AG is a company that operates a crowdfunding platform focused on providing affordable clean energy solutions to households and small and medium enterprises in emerging markets. Established in 2017 and headquartered in Zurich, Switzerland, with additional offices in Madrid, Shenzhen, Cameroon, and Zambia, MPower Ventures offers a range of products and services. These include high-quality Plug&Play solar kits and energy-efficient appliances designed for both domestic and productive use. The company also develops in-house software that tracks and digitizes operations, utilizing data to enhance financial inclusion for end-users. Additionally, MPower Ventures provides inclusive financing solutions for its partners and customers, ensuring that clean energy remains accessible and affordable.

Hybrid Air Vehicles designs and manufactures hybrid air vehicles that integrate helium-filled envelopes with aerodynamic lift and advanced powertrain technologies to transport passengers and cargo. The company's aircraft fuse elements from airships, fixed-wing aircraft, and helicopters to enable versatile, long-range operations with reduced environmental impact. By combining proven aerospace technologies, Hybrid Air Vehicles aims to offer scalable, zero-emission capable solutions for sectors such as passenger transport and logistics, delivering significant reductions in emissions compared with conventional aircraft. The company focuses on the development and production of high-capacity, energy-efficient air vehicles that provide a sustainable alternative for large-group travel and cargo transportation.

Marine Power Systems Ltd. is a Swansea-based company focused on developing innovative marine renewable energy technologies. Established in 2008 by engineering graduates from Swansea University, the company specializes in the WaveSub, a wave energy converter designed to harness wave energy for electricity generation. The WaveSub operates underwater, adjusting its depth to optimize energy capture and to withstand severe weather conditions. By utilizing orbital motion with the waves, Marine Power Systems aims to reduce the costs associated with wave energy generation, contributing to the advancement of sustainable energy solutions.

Polysolar is a Cambridge, United Kingdom-based developer and producer of building integrated photovoltaic solutions. The company designs, develops, and delivers turnkey and bespoke BIPV systems for architectural applications such as canopies, glazing, facades, carports and curtain walls. Its transparent thin-film photovoltaic glass combines energy generation with natural light, enabling architectural finishes while producing renewable energy. Polysolar collaborates with clients, architects and surveyors across the construction industry to help meet environmental targets and planning requirements, and its solutions contribute to sustainability assessments such as BREEAM. The company focuses on innovative, cost-effective PV glass and integrated solar systems to create energy-producing building envelopes.

Zoom EV operates an electric vehicle sharing platform that connects electric vehicles with the sharing economy to promote sustainable mobility. The platform enables individuals to book private or public electric vehicles for car sharing, increasing vehicle utilization and reducing carbon emissions. It also offers dedicated EV insurance and a driver benefits bundle that provides savings for users.

Designable is an architecture firm dedicated to creating customizable and sustainable homes that promote zero-carbon lifestyles. The company leverages technology to enhance the real estate industry and empower individuals with greater control over their living spaces. By connecting neighboring communities with available land, Designable facilitates the development of sustainable buildings on demand. This approach allows clients to design their future eco-homes, utilizing renewable energy solutions to ensure efficient insulation and significantly reduce construction costs. Through its innovative efforts, Designable aims to contribute to environmental sustainability and combat climate change.

Gravitricity is a company that has developed an innovative gravity-fed energy storage system, combining the benefits of lithium batteries and traditional pumped storage. The system operates by suspending a heavy weight in a deep shaft, utilizing a series of cables connected to winches that can lift or lower the weight. This mechanism generates electrical power, making it an effective solution for network-constrained users, distribution networks, and large power consumers. Gravitricity's technology is designed to enhance the existing grid infrastructure and facilitate the transition to renewable energy sources.

Novaton develops and sells innovative clean tech systems tailored for the aquaculture industry.

Power Transition develops a cloud-based platform facilitating peer-to-peer energy trading and microgrid management. It enables prosumers to trade excess renewable energy, balances grids, tracks energy flow, and promotes behavioral change through game theory.

Envopap is a manufacturer of sustainable packaging materials that aims to reduce plastic pollution and deforestation by using renewable sources such as agricultural waste rather than wood. The company develops packaging made from agricultural byproducts, including starch- and protein-based materials with strong barrier properties, enabling brands to adopt eco-friendly alternatives to single-use plastics and traditional linings in flexible packaging. By pursuing innovative, tree-free paper and packaging solutions, Envopap seeks to lower the environmental footprint of packaging while delivering industry-leading performance. The company is certified as a B Corporation, reflecting a commitment to higher standards of social and environmental impact and to moving beyond conventional tree-based paper packaging toward a more sustainable future.

MPower Ventures AG is a company that operates a crowdfunding platform focused on providing affordable clean energy solutions to households and small and medium enterprises in emerging markets. Established in 2017 and headquartered in Zurich, Switzerland, with additional offices in Madrid, Shenzhen, Cameroon, and Zambia, MPower Ventures offers a range of products and services. These include high-quality Plug&Play solar kits and energy-efficient appliances designed for both domestic and productive use. The company also develops in-house software that tracks and digitizes operations, utilizing data to enhance financial inclusion for end-users. Additionally, MPower Ventures provides inclusive financing solutions for its partners and customers, ensuring that clean energy remains accessible and affordable.

CCell is an environmental services company focused on restoring coastal ecosystems and protecting beaches through innovative technology. By utilizing 100% renewable energy, CCell grows rock from seawater minerals to create natural barriers against erosive waves. This approach not only protects coastlines from erosion but also provides a supportive foundation for coral and oyster growth. The company's solution aims to enhance marine ecosystems while benefiting coastal communities, governments, and the hospitality sector. By working harmoniously with nature, CCell offers a sustainable alternative to traditional coastal protection methods, contributing to long-term ecological health and resilience.

Antaco (UK) Limited, established in 2011 and headquartered in Guildford, specializes in producing solid biofuel from organic waste. The company's core product is Biocoal, a carbon-neutral fuel derived from organic waste through its proprietary hydro-thermal carbonization technology. This process transforms various types of organic waste into a solid fuel alternative to fossil fuels, reducing waste and supporting the circular economy. Antaco offers waste processing services and has been recognized as one of the top Cleantech companies in the UK for its innovative approach.

Andersen EV specializes in the design and development of innovative electric vehicle charge points. The company offers a variety of customizable charging solutions, aimed at providing efficient alternative energy sources for electric vehicles. Its product lineup includes sleek and functional charging stations equipped with features such as winding systems, solar charging capabilities, energy monitoring, and remote locking options. These advanced functionalities facilitate easy installation and servicing, allowing customers to track their vehicle's charging progress and energy consumption effectively. Andersen EV's focus on aspirational design and practical performance positions it as a significant player in the electric vehicle infrastructure market.

Pavegen Systems Ltd. develops innovative flooring technology that transforms kinetic energy from footsteps into renewable electricity. Founded in 2009 and based in London with an additional location in Cambridge, the company offers its advanced V3 technology, which maximizes energy output and data capture. This energy can power various applications such as street lights, signage, and communication networks in both indoor and outdoor settings. Pavegen also features PAVEGEN LIVE, an initiative that collaborates with global brands and agencies to showcase its patented technology at events. With over 150 installations worldwide, including notable projects in Washington DC, Pavegen empowers communities by connecting them to sustainability and smart city concepts, fostering a greater understanding of clean energy and its benefits.

Zhyphen specializes in manufacturing modular lithium iron phosphate battery units for smart energy and grid solutions. Their turn-key solutions include proprietary software for energy management and control, along with scalable micro-grid configurations.

Resilience Energy Ltd is a company based in Saint Albans, United Kingdom, that specializes in renewable energy solutions for residential customers. Established in 2016, it offers a comprehensive package that includes solar panels, battery storage, and a software platform designed to manage these systems effectively. Through its application, R Energy, Resilience Energy empowers homeowners to produce, store, and sell renewable energy, transforming their homes into personal power stations. This innovative approach enables users to significantly reduce their electricity bills and achieve energy self-sufficiency. Additionally, the company's platform enhances energy generation capabilities for grid operators and local distribution networks, allowing for better integration of renewable sources and maximizing savings for customers while contributing to carbon reduction efforts.

Renovagen has developed a patented transportable solar power system which enables PV arrays of up to 100kWp to be deployed from a 20ft ISO standard shipping container. It is a solar power system called "RAPID ROLL" - a complete "micro-grid in a box" solution which includes a solar field that can be unrolled "like a carpet" in 2 minutes. Compared with existing solutions, it produces 10 times more power and can be deployed much more quickly. Ideal for military, disaster relief and remote industrial operations such as mining, the Renovagen system addresses the need for high power, transportable renewable energy systems which can eliminate the high costs of delivering fuel and maintaining diesel gensets in remote locations.

Novaton develops and sells innovative clean tech systems tailored for the aquaculture industry.

Andersen EV specializes in the design and development of innovative electric vehicle charge points. The company offers a variety of customizable charging solutions, aimed at providing efficient alternative energy sources for electric vehicles. Its product lineup includes sleek and functional charging stations equipped with features such as winding systems, solar charging capabilities, energy monitoring, and remote locking options. These advanced functionalities facilitate easy installation and servicing, allowing customers to track their vehicle's charging progress and energy consumption effectively. Andersen EV's focus on aspirational design and practical performance positions it as a significant player in the electric vehicle infrastructure market.

Sunstone IP Systems develops innovative solar power technologies that provide surveillance, wireless networks, and satellite communications to remote locations worldwide. Serving industries such as oil and gas, defense, highways infrastructure, telecommunications, and construction equipment, the company offers products like solar-powered CCTV systems, solar power stations, and solar drone charging stations.

Exceedence Ltd. is a company that specializes in developing financial planning, evaluation, and optimization software tailored specifically for the renewable energy sector. Founded in 2014 and headquartered in Ringaskiddy, Ireland, Exceedence's software facilitates comprehensive evaluations in marine renewable energy areas, including wind, offshore wind, wave, and tidal technologies. The platform offers decision support services that empower clients to create financial plans based on project implementation and provides actionable data on the energy sector, ultimately enabling effective future investment planning. By adhering to international standards, Exceedence aims to foster the commercialization and investment within the renewable industry through its credible and robust software solutions.

Zhyphen specializes in manufacturing modular lithium iron phosphate battery units for smart energy and grid solutions. Their turn-key solutions include proprietary software for energy management and control, along with scalable micro-grid configurations.

Venturi offers drone-based solutions for industrial inspections in the energy sector, including power grids and pipelines.

Polysolar is a Cambridge, United Kingdom-based developer and producer of building integrated photovoltaic solutions. The company designs, develops, and delivers turnkey and bespoke BIPV systems for architectural applications such as canopies, glazing, facades, carports and curtain walls. Its transparent thin-film photovoltaic glass combines energy generation with natural light, enabling architectural finishes while producing renewable energy. Polysolar collaborates with clients, architects and surveyors across the construction industry to help meet environmental targets and planning requirements, and its solutions contribute to sustainability assessments such as BREEAM. The company focuses on innovative, cost-effective PV glass and integrated solar systems to create energy-producing building envelopes.

Five Points Brewing Company is an independent brewery based in Hackney, London, established in 2013. It focuses on quality and community, delivering unfiltered and unpasteurized beers to preserve flavour and aroma, inspired by the British real-ale tradition and international craft beer influences. Its portfolio includes flagship beers plus regular limited and small-batch releases, including a barrel-aged program. The company is committed to social responsibility and sustainability: it was the first UK brewery to be accredited Living Wage Employer and pays the London Living Wage; electricity is sourced entirely from renewable sources; and it supports local charitable, arts and community projects and runs an apprenticeship scheme to train brewers.