Katapult VC

Sparxell develops innovative, biodegradable pigments derived from cellulose material. These dye-free pigments mimic the natural colors found in birds and butterflies, offering a low-carbon alternative to traditional materials for various industries such as fashion, cosmetics, paint, and packaging.

SolarDuck is a developer of innovative floating solar technology designed to enhance the adoption of offshore solar energy. The company focuses on providing a sustainable solution to the increasing global energy demand by utilizing modular floating solar power plants that can withstand harsh offshore conditions. SolarDuck's approach not only offers a competitive price for renewable electricity but also ensures higher energy yields and reduced installation costs, while minimizing the use of valuable dry land. Through its solutions, SolarDuck aims to deliver affordable renewable energy to communities, contributing to a more sustainable energy future.

Solfium is a distinctive solar energy company focused on delivering effective solar solutions for residential, commercial, and industrial applications. The company specializes in the development of rooftop solar energy systems, aiming to facilitate a seamless transition to sustainable energy. Solfium offers a comprehensive range of services, including instant quotes, expert consultations, installation management, and financing assistance. By partnering with corporate entities, the company works to efficiently monitor, reduce, and report carbon dioxide emissions across various sectors. This approach not only helps consumers diminish their carbon footprint but also promotes cost savings, ultimately contributing to broader environmental sustainability efforts.

AquaRech develops a fish farming platform aimed at reducing production costs for farmers and making quality tilapia more affordable and accessible. The platform enables farmers to source quality feed, adopt precision fish farming technology, access new markets, secure credit for farm growth, thereby enhancing productivity, income, and fostering an inclusive community-based aquaculture value chain.

Gigablue is dedicated to combating global warming through innovative technology. It focuses on enhancing the efficiency and feasibility of ocean fertilization as a means of carbon dioxide removal, directly addressing climate change for a more sustainable future.

Coral Vita operates a reef restoration business that grows corals in land-based farms to restore threatened reefs. Based in San Diego, California, it cultivates diverse, resilient corals and transplants them into degraded reefs, using science-driven methods and high-tech farming to accelerate growth and bolster resilience against warming and acidification. The company delivers tailored reef restoration plans for local conditions to support reef stakeholders and protect vulnerable marine ecosystems from climate change.

Metalchemy is a pioneering technology company focused on developing and commercializing green nanotechnology solutions. It operates by transforming organic waste into valuable nanomaterials through its proprietary bio-nanotechnology processes. This innovative approach enables Metalchemy to produce eco-friendly bioplastics, contributing to reduced food waste and mitigating climate change impacts. The company's mission is to make green nanotechnology widely accessible, fostering a healthier and more sustainable future for all.

Cirkula operates a platform that connects consumers with surplus quality food from restaurants and stores at discounted prices. This reduces food waste, helps businesses recover costs, and promotes sustainable consumption.

Mocean Energy develops technologies to harness wave power and accelerate the transition to a zero-carbon future. Based in Edinburgh, United Kingdom, the company designs an energy converter with a power take-off mechanism that converts wave kinetic energy into electricity, enabling reliable, affordable renewable power for subsea applications such as control systems, remotely operated vehicles, and autonomous underwater vehicles.

Founded in 2021, Over Easy Solar specializes in developing innovative solar modules. Their patent-pending design is optimized for green roofs and sustainable buildings, offering multiple benefits to owners throughout the installation's lifetime.

Planboo develops nature-based carbon removal technology to produce biochar-based carbon sinks from bamboo and other plant waste. The platform supports tropical project developers in converting agricultural waste into biochar and provides digital measurement, reporting, and verification tools to ensure traceable carbon credits, while channeling carbon finance to underserved regions and supporting local communities and soil health, enabling climate-conscious businesses to access verifiable carbon removal.

Materials Nexus is a deep-tech company specializing in automated quantum calculations for accurate large-scale material analysis. They aim to accelerate the development of sustainable materials and reduce CO2 emissions.

Founded in London, UK in 2017, Jiva Materials is a sustainability-focused company that manufactures eco-friendly printed circuit board laminates using naturally derived materials. Its primary product, Soluboard, aims to reduce carbon emissions and waste in the electronics industry.

Solar Materials specializes in the environmentally friendly and cost-effective recycling of photovoltaic (PV) modules. The company focuses on improving resource efficiency and reducing the carbon footprint of solar modules by recovering valuable raw materials such as glass, aluminum, silicon, copper, and silver from discarded PV panels. Their technologies aim to create a sustainable cycle for photovoltaics raw materials, contributing significantly to both ecological and economic benefits for their clients.

Ittinsect is the biotech startup that developed the sustainable alternative to aquaculture feed. Ittinsect produces high performance feeds through the microbiological treatment of novel raw ingredients including insects, microalgae and agricultural by-products, in line with the circular economy principles. With Ittinsect, there is no longer need to catch fish from the marine environment as nutrition for farmed fish. The company’s mission is making aquaculture ocean-impact neutral.

Developer of a satellite-based platform designed to transform degraded soils into arable land through regenerative agriculture and agroforestry planning. The company offers soil and climate analysis tools, food, and tailored agronomic partnerships, enabling agricultural organizations, energy firms, and food sector companies to implement effective land restoration and sustainable cultivation practices.

InPlanet operates an environmental protection company focused on combating global warming through accelerating natural weathering processes. It achieves this by grinding silicate rocks and applying them to tropical soil, enabling farmers to replace chemicals with natural rock powders sourced from local mines.

Ocean's Balance produces seaweed-based products that promote environmental sustainability. Their range includes edible items for culinary use, such as avocado toast garnishes or direct consumption, while also offering solutions to capture carbon, improve water quality, and enhance marine habitats.

Johannas Stadsodlingar produces fish, vegetables and herbs through a sustainable aquaponics system that circulates water and nutrients between fish and plants, reducing environmental impact and water use. The company is based in Stockholm, Sweden.

Better Packaging is a supplier of eco-friendly and sustainable packaging solutions aimed at reducing plastic waste in retail. The company offers a range of products, including compostable mailers, resealable bags, and recyclable garment bags made from bio-plastics that are designed to break down effectively. Their offerings also encompass courier satchels, bubble bags, labels, poly bags, ziplock bags, pallet wrap, and flow wrap. By providing these innovative packaging options, Better Packaging enables businesses to adopt practices that contribute to a more circular economy, thereby addressing environmental concerns associated with traditional packaging materials.

Solar Materials specializes in the environmentally friendly and cost-effective recycling of photovoltaic (PV) modules. The company focuses on improving resource efficiency and reducing the carbon footprint of solar modules by recovering valuable raw materials such as glass, aluminum, silicon, copper, and silver from discarded PV panels. Their technologies aim to create a sustainable cycle for photovoltaics raw materials, contributing significantly to both ecological and economic benefits for their clients.

Founded in London, UK in 2017, Jiva Materials is a sustainability-focused company that manufactures eco-friendly printed circuit board laminates using naturally derived materials. Its primary product, Soluboard, aims to reduce carbon emissions and waste in the electronics industry.

Decomer Technology specializes in the development of innovative water-soluble and edible packaging materials. This company aims to provide an eco-friendly alternative to traditional plastic packaging, which poses environmental hazards. Its packaging solutions are plant-based, designed to dissolve in water, and comprised of natural components that can be easily composted. By offering water-soluble and edible containers, Decomer Technology seeks to address the growing demand for sustainable packaging options, catering to environmentally conscious consumers and businesses.

Oceanfarmr is a fintech and software company focused on restorative ocean farming. It provides performance-based financing for assets, crops, and leaseholds, along with ESG solutions to support ocean farms' growth. The company's farm operations software promotes more sustainable seafood production and reduces the demand for wild-caught fisheries. The software includes intelligent monitoring and geolocation tools to track analytics and mapping of aquafarms, including mussels, seaweed, and oysters, enabling farmers to record activity accurately and optimize operations. By combining finance with digital farming tools, Oceanfarmr aims to expand access to capital for coastal operators while advancing transparency and sustainable stewardship of marine resources.

AquaRech develops a fish farming platform aimed at reducing production costs for farmers and making quality tilapia more affordable and accessible. The platform enables farmers to source quality feed, adopt precision fish farming technology, access new markets, secure credit for farm growth, thereby enhancing productivity, income, and fostering an inclusive community-based aquaculture value chain.

Developer of a satellite-based platform designed to transform degraded soils into arable land through regenerative agriculture and agroforestry planning. The company offers soil and climate analysis tools, food, and tailored agronomic partnerships, enabling agricultural organizations, energy firms, and food sector companies to implement effective land restoration and sustainable cultivation practices.

NXT Grid develops and operates solar mini-grids across Africa, focusing on micro-utilities that enable local businesses to generate reliable, clean power. The company provides solar equipment rental and AI-powered support services to lower financial and technical barriers, helping local enterprises become successful mini-grid developers. By bundling and operating multiple micro-grids, NXT Grid aims to accelerate the adoption of distributed solar in emerging markets and support scalable, financeable energy projects.

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.

Founded in 2016, Sally R develops innovative climate control technology that combines ventilation systems from Earth with those used at the International Space Station. This integration enables real-time optimization algorithms to reduce energy consumption and enhance air quality in buildings.

Recylink is a platform facilitating sustainable industrial waste management. It connects waste generators, collectors, and processors, enhancing efficiency and promoting circular economy principles. The platform ensures full traceability of waste, tracking each kilogram withdrawn along with its treatment certificates, documents, and associated payments.

Hooked Foods is a Swedish company founded in 2019 that specializes in developing plant-based seafood alternatives, primarily focusing on tuna and salmon products. By creating delicious and nutritious vegan-friendly seafood options, Hooked Foods aims to promote a healthier marine ecosystem and provide consumers with protein-rich meals. The company's commitment to innovation in plant-based cuisine is part of a broader mission to lead the transition towards more sustainable seafood consumption.

GreenChoice operates a data-driven grocery shopping platform that assists consumers in making informed food choices that align with their health and environmental values. The platform offers a membership-based service that rates the health and sustainability of various products, connecting users with brands and retailers that share similar principles. By simplifying the grocery shopping experience, GreenChoice caters to individuals with dietary restrictions, health goals, and specific ethical concerns, promoting the idea that food can serve both personal well-being and the planet's health.

SolarDuck is a developer of innovative floating solar technology designed to enhance the adoption of offshore solar energy. The company focuses on providing a sustainable solution to the increasing global energy demand by utilizing modular floating solar power plants that can withstand harsh offshore conditions. SolarDuck's approach not only offers a competitive price for renewable electricity but also ensures higher energy yields and reduced installation costs, while minimizing the use of valuable dry land. Through its solutions, SolarDuck aims to deliver affordable renewable energy to communities, contributing to a more sustainable energy future.

Sensefinity provides real-time visibility into global supply chains by collecting machine data through a digital freight logistics platform that integrates sensors such as GPS, temperature, humidity, and shock. The platform uses AI and blockchain to forecast events, alert users to impacts or mishandling, and create auditable records to improve transparency, security, and quality compliance. By aggregating sensor data and automating condition monitoring, Sensefinity helps reduce costs related to demurrage and detention and lowers risk across shipments by tracking location and cargo status throughout the supply chain.

Chooose AS, based in Oslo, Norway, specializes in providing climate compensation solutions for consumer-facing enterprises. The company offers a platform that integrates seamlessly into e-commerce checkouts and consumer applications, enabling businesses to offer high-impact climate action options to their customers. Chooose operates a marketplace for carbon credits and provides tools for emission calculations and carbon removal transactions. Established in 1997, the company has gained recognition for its innovative approach, being named Norway's startup of the year in 2017 and recognized as a top global tech startup by Sir Richard Branson and the Extreme Tech Challenge. In addition to its core services, Chooose also sells gift cards online.