The Carbon Trust

Carbon Trust, founded in 2001 and based in London, is dedicated to fostering a sustainable, low-carbon economy by assisting businesses, governments, and organizations worldwide in reducing carbon emissions and enhancing resource efficiency. With a team of over 200 experts in sustainability, including engineers and policy specialists, Carbon Trust leverages nearly two decades of experience in the climate change sector. The organization collaborates with various stakeholders to provide strategic direction, carbon reduction plans, and energy systems solutions. Its focus areas include corporate sustainability, green finance, and future energy systems, with particular emphasis on offshore wind and net-zero initiatives. Additionally, Carbon Trust supports cities, states, and regions in addressing the climate emergency, reinforcing its commitment to a sustainable future. Surpluses from its commercial activities are reinvested into these initiatives, ensuring a continuous drive towards its mission.

Bruno Gardner

Managing Director, Policy and Innovation

Hugh Jones

Managing Director, Advisory and Corporate Sustainability

Morgan Jones

Associate Director, Certification

Daniel Perdomo-Rodriguez

Project Director

Richard Rugg

Managing Director

22 past transactions

Ozo Innovations

Grant in 2019
Ozo Innovations Ltd. specializes in ozone-based sanitization and cleaning technologies. The company develops a range of devices for both domestic and commercial use, including small fridge units that help reduce food spoilage and larger systems designed for hotels and restaurants. Key products include the OZOCUBE system, which can be integrated into ventilation systems for continuous degreasing and odor control, as well as portable units such as OPS-3, suitable for diverse environments like offices and care homes. The firm also offers the EW-CUBE, an electrolyzed water system for cleaning in the food industry, and distributes ozone solutions from Ozone Solutions, Inc. in the UK. Ozo's products are utilized in various sectors, including food production, air handling, and institutional cleaning, with plans for expansion into the UK, mainland Europe, and North America. Founded in 2012 and based in Wallingford, United Kingdom, Ozo Innovations was previously known as Ozone Purification Ltd. before rebranding in 2016.

Concurrent Thinking

Venture Round in 2014
Concurrent Thinking Limited specializes in the design and implementation of large-scale computing infrastructures and software tailored for high-performance computing. Based in Warwick, United Kingdom, the company offers a range of data center infrastructure management solutions, including concurrentCOMMAND, which integrates with facilities management systems to optimize energy efficiency, and concurrentCONTROL, a platform for monitoring power, environmental conditions, servers, and operating systems within data centers. Additionally, Concurrent Thinking provides support and maintenance services to its clients, which include IT, environmental, and financial sectors, as well as facilities management. Established in 2009 and formerly known as Retromaze Limited, the company rebranded in June 2010 to reflect its focus on innovative approaches to system management and scalable computing solutions.

Helveta

Venture Round in 2013
Helveta Ltd develops technology products for the timber and food sectors. It offers The CI World platform, an interactive cartography application that provides auditable traceability, asset tracking, resource and forest use mapping, and chain of custody control for extended supply chains; and allows monitoring logging activities, and to export data points and associated icons to GIS products enabling the online sharing of maps among communities over the Web. The company serves growers, farm managers, agronomists, and buyers. Helveta Ltd was incorporated in 2004 and is based in Oxford, the United Kingdom with operations in Nigeria, the Central African Republic, the Republic of Congo, and Cameroon.

Eight19

Venture Round in 2012
Eight19 Limited, based in Cambridge, United Kingdom, specializes in the development and manufacturing of organic photovoltaics (OPVs) for lightweight solar panels. Founded in 2010, the company focuses on energy harvesting solutions for indoor, outdoor, and off-grid applications. Its OPV modules are designed for use in wireless devices, retail environments, and portable electronics, benefiting from attributes such as flexibility, thinness, and robustness. Eight19 employs industry-standard roll-to-roll processes and solution-based organic materials, allowing for a cost-effective scaling of its technology to meet market demands. The company also offers integrated demonstration units that include Bluetooth-connected temperature and light sensors, showcasing the versatility of its products in various applications.

Acal Energy

Venture Round in 2011
Acal Energy is a developer of fuel cell systems, modules, and consumable chemicals aimed at providing zero-emission solutions for various applications, including stationary, residential, and automotive uses that require more than 1 kW of power. The company's innovative technology utilizes a proprietary liquid catalyst, which replaces the platinum typically used in conventional fuel cells. This advancement not only reduces costs but also enhances the performance of Proton Exchange Membrane (PEM) fuel cells, facilitating their adoption in key markets. By offering a clean driving alternative that does not require waiting for battery recharging, Acal Energy positions itself as a significant player in the transition to sustainable energy solutions.

Eight19

Venture Round in 2010
Eight19 Limited, based in Cambridge, United Kingdom, specializes in the development and manufacturing of organic photovoltaics (OPVs) for lightweight solar panels. Founded in 2010, the company focuses on energy harvesting solutions for indoor, outdoor, and off-grid applications. Its OPV modules are designed for use in wireless devices, retail environments, and portable electronics, benefiting from attributes such as flexibility, thinness, and robustness. Eight19 employs industry-standard roll-to-roll processes and solution-based organic materials, allowing for a cost-effective scaling of its technology to meet market demands. The company also offers integrated demonstration units that include Bluetooth-connected temperature and light sensors, showcasing the versatility of its products in various applications.

Green Biologics

Series B in 2010
Green Biologics Limited is an industrial biotechnology company based in Abingdon, United Kingdom, focused on producing renewable specialty chemicals. The company offers products such as n-butanol, acetone, and C4 derivatives, along with GreenFlame charcoal lighting fluids. These products find applications in various sectors, including paints, coatings, adhesives, personal care, cosmetics, food ingredients, health, and industrial cleaners. Green Biologics aims to be a leader in advanced fermentation technologies that convert biomass into renewable fuels and chemicals. Established in 2002, the company has additional facilities in the United States and satellite offices in China, Brazil, and India.

Concurrent Thinking

Venture Round in 2010
Concurrent Thinking Limited specializes in the design and implementation of large-scale computing infrastructures and software tailored for high-performance computing. Based in Warwick, United Kingdom, the company offers a range of data center infrastructure management solutions, including concurrentCOMMAND, which integrates with facilities management systems to optimize energy efficiency, and concurrentCONTROL, a platform for monitoring power, environmental conditions, servers, and operating systems within data centers. Additionally, Concurrent Thinking provides support and maintenance services to its clients, which include IT, environmental, and financial sectors, as well as facilities management. Established in 2009 and formerly known as Retromaze Limited, the company rebranded in June 2010 to reflect its focus on innovative approaches to system management and scalable computing solutions.

Intamac

Venture Round in 2010
Intamac Systems Ltd. operates a cloud-based platform that facilitates connectivity for the Internet of Things (IoT), primarily targeting original equipment manufacturers (OEMs) and product vendors. Established in 2000 and headquartered in Northampton, United Kingdom, with additional offices in Cambridge and Trivandrum, the company enables businesses to enhance their service offerings and customer engagement for connected home solutions. Intamac provides an open platform that supports two-way monitoring and control of various appliances and devices, allowing users to manage their home and business environments remotely through mobile devices or the Internet. The platform is equipped with a messaging service that delivers alerts for various incidents, including power failures, floods, fires, and security breaches. Additionally, Intamac offers a full access license program that grants companies control over the IoT software, allowing them to develop custom solutions in a low-risk manner.

Helveta

Venture Round in 2010
Helveta Ltd develops technology products for the timber and food sectors. It offers The CI World platform, an interactive cartography application that provides auditable traceability, asset tracking, resource and forest use mapping, and chain of custody control for extended supply chains; and allows monitoring logging activities, and to export data points and associated icons to GIS products enabling the online sharing of maps among communities over the Web. The company serves growers, farm managers, agronomists, and buyers. Helveta Ltd was incorporated in 2004 and is based in Oxford, the United Kingdom with operations in Nigeria, the Central African Republic, the Republic of Congo, and Cameroon.

Arieso

Venture Round in 2010
Arieso Ltd. specializes in geo-location services and network optimization solutions for wireless operators and service providers. Founded in 2002 and headquartered in Newbury, United Kingdom, the company offers a range of products, including ariesoGEO for mobile network performance monitoring, ariesoDNA for network adaptation, ariesoCMP for capital management and planning, and ariesoACP for automatic cell planning and optimization. These solutions aim to enhance subscriber experience by automating network design and management, as well as optimizing capital budget programs. Additionally, Arieso provides consulting, support, and maintenance services. By analyzing mobile connection events, the company helps operators identify high-usage areas, enabling the strategic deployment of small cells to improve network performance.

Oxsensis

Series C in 2010
Oxsensis Ltd. is a manufacturer of non-electrical optical sensors designed for extreme environments, focusing on applications in aerospace, power generation, oil and gas, and nuclear industries. Founded in 2003 and headquartered in Didcot, United Kingdom, the company specializes in optical pressure sensor systems, temperature transducers, and optical accelerometers. Its product lineup includes the Wave-Phire Dynamic Pressure Transducer for harsh atmospheres, the i-Phire 4 Channel Optical Interrogator Unit for converting optical signals into voltage signals, and S-Phire software for combustion monitoring. These sensors provide high sensitivity and immunity to electromagnetic interference, optimizing performance in demanding conditions. Oxsensis also supports various markets, including energy production, emissions monitoring, and high-temperature equipment health monitoring, with additional offices in the United States, Russia, China, and Japan.

Aerothermal Group

Venture Round in 2010
AeroThermal offers a waste treatment solution that delivers significant environmental benefits by diverting waste from landfill and enhancing the biogas energy recovery potential from waste.

Marine Current Turbines

Venture Round in 2009
Marine Current Turbines Limited specializes in the design and manufacture of tidal stream power generation systems. The company focuses on providing tidal stream technology for energy projects and ensuring effective maintenance during operation. Its tidal turbines are specifically designed for installation on the seabed in areas with high tidal current velocities or strong ocean currents, allowing them to harness energy from flowing water. Founded in 2000 and based in Bristol, United Kingdom, Marine Current Turbines operates as a subsidiary of Atlantis Turbines Pte Ltd as of July 2015.

New Earth Solutions

Debt Financing in 2009
New Earth Solutions, Ltd. operates as a biological waste treatment and recycling company. It engages in the composting of source segregated organic wastes, animal by-products, and biodegradeable municipal wastes, as well as other recyclables, such as plastics, glass, and ferrous and non ferrous metals. The company was founded in 2002 and is based in Verwood, United Kingdom.

Whitfield Solar

Venture Round in 2009
Whitfield Solar excels at delivering renewable energy through the development of low-cost solar concentrators. By transferring the engineering philosophies and technical know-how from established industries to this emerging arena, we have set standards for cost-effectiveness, reliability and ease of installation.

Plaxica

Venture Round in 2009
Plaxica Limited is a technology and licensing company that specializes in producing advanced biopolymers and platform chemicals derived from renewable resources. Founded in 2008 and headquartered in Redcar, United Kingdom, Plaxica offers a range of innovative products, including Optipure®, D Lactic Acid; Xylex®, Lignin Free Sugars; and Versalac®, Low Cost Lactic Acid technology. These biopolymers serve diverse applications, such as food packaging, drink bottles, furniture, automotive components, computer housings, carpets, and textiles. The company's focus on sustainability and renewable materials positions it as a leader in the development of environmentally friendly alternatives in various industries.

CamSemi

Series D in 2009
CamSemi is a privately-held, fabless company based in Cambridge, UK, helping customers find faster, lower cost and easier ways to design and manufacture more energy-efficient power conversion products. CamSemi’s products are based on its portfolio of patented, proprietary technologies and topologies including intelligent control architectures, RDFC and PowerBrane. These new approaches can benefit multiple markets although initially the company is targeting two major opportunities: high-volume mains power supplies and lighting applications.

Green Biologics

Venture Round in 2009
Green Biologics Limited is an industrial biotechnology company based in Abingdon, United Kingdom, focused on producing renewable specialty chemicals. The company offers products such as n-butanol, acetone, and C4 derivatives, along with GreenFlame charcoal lighting fluids. These products find applications in various sectors, including paints, coatings, adhesives, personal care, cosmetics, food ingredients, health, and industrial cleaners. Green Biologics aims to be a leader in advanced fermentation technologies that convert biomass into renewable fuels and chemicals. Established in 2002, the company has additional facilities in the United States and satellite offices in China, Brazil, and India.

Acal Energy

Venture Round in 2008
Acal Energy is a developer of fuel cell systems, modules, and consumable chemicals aimed at providing zero-emission solutions for various applications, including stationary, residential, and automotive uses that require more than 1 kW of power. The company's innovative technology utilizes a proprietary liquid catalyst, which replaces the platinum typically used in conventional fuel cells. This advancement not only reduces costs but also enhances the performance of Proton Exchange Membrane (PEM) fuel cells, facilitating their adoption in key markets. By offering a clean driving alternative that does not require waiting for battery recharging, Acal Energy positions itself as a significant player in the transition to sustainable energy solutions.

CamSemi

Series C in 2007
CamSemi is a privately-held, fabless company based in Cambridge, UK, helping customers find faster, lower cost and easier ways to design and manufacture more energy-efficient power conversion products. CamSemi’s products are based on its portfolio of patented, proprietary technologies and topologies including intelligent control architectures, RDFC and PowerBrane. These new approaches can benefit multiple markets although initially the company is targeting two major opportunities: high-volume mains power supplies and lighting applications.

Green Biologics

Series A in 2007
Green Biologics Limited is an industrial biotechnology company based in Abingdon, United Kingdom, focused on producing renewable specialty chemicals. The company offers products such as n-butanol, acetone, and C4 derivatives, along with GreenFlame charcoal lighting fluids. These products find applications in various sectors, including paints, coatings, adhesives, personal care, cosmetics, food ingredients, health, and industrial cleaners. Green Biologics aims to be a leader in advanced fermentation technologies that convert biomass into renewable fuels and chemicals. Established in 2002, the company has additional facilities in the United States and satellite offices in China, Brazil, and India.
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