We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.
There are 119 start-ups with an aggregate funding of $7.0b. The average funding per company in this subset is $101.8m.
Last update to the database: Feb 18, 2025. See changelog.
7
Funding Rounds
$39.7m
Money raised
EmitWise helps large businesses monitor and reduce their carbon footprints.
5
Funding Rounds
$40.7m
Money raised
Terrestrial Energy is developing molten salt nuclear reactors.
7
Funding Rounds
$172.1m
Money raised
Tokamak Energy is a fusion energy producer founded in 2009 by Alan Sykes, David Kingham and Mikhail Gryaznevich.
1
Funding Rounds
Pavegen is a London-based company founded by Laurence Kemball-Cook.
5
Funding Rounds
$9.1m
Money raised
Puraffinity is a company using customized granular media (CGM) to remove pollutants and contaminants from water supplies.
5
Funding Rounds
$225.0m
Money raised
A biotechnology company that specialized in the renewable energy sector. It was located in Bedford, Massachusetts and is no longer in operation.
9
Funding Rounds
$138.9m
Money raised
SkySpecs is a company founded in 2012 by Daniel Ellis.
12
Funding Rounds
$187.2m
Money raised
Oxford PV is a London-based developer of perovskite thin-film solar cells.
1
Funding Rounds
$3.8m
Money raised
Go Eve is an innovations to accelerate the transition to EVs founded in 2021 by Robert Shorten.
7
Funding Rounds
$1.1b
Money raised
Cognite is an industrial software company headquartered in Oslo, Norway, that creates software for oil and gas, power and utilities, renewable energy, manufacturing and other asset-heavy industries.
6
Funding Rounds
$2.1b
Money raised
Octopus Energy is a company that offers retail electricity and gas supplies, and specializes in sustainable energy.
7
Funding Rounds
$73.0m
Money raised
Addionics is creating next-generation batteries through intelligent 3D battery architecture and engineering.
1
Funding Rounds
$15.4m
Money raised
A biotechnology company using microbiology and chemistry to produce consumer goods and industrial products.
1
Funding Rounds
$32.0m
Money raised
Primus Power is an Hayward, California-based zinc bromine flow battery manufacturer.
1
Funding Rounds
$1.2m
Money raised
Bonnet is a company developing an app that acts as one subscription for all EV charging networks.
1
Funding Rounds
$784.0k
Money raised
British company serving the defence, security, transport and energy industries
10
Funding Rounds
$182.1m
Money raised
Echion Technologies is a supplier of niobium-based anode materials founded in 2017 by Jean de La Verpillière, Alex Groombridge, Adam Boies and Michael De Volder.
5
Funding Rounds
$27.1m
Money raised
Qio Technologies Limited is a company providing digital twin solutions for industries, including their QiO Foresight Platform which unites energy, maintenance, production, and performance applications.
6
Funding Rounds
$465.8m
Money raised
Highview Power is a company that provides CRYOBattery which delivers a clean and long-duration energy storage to enable a 100% renewable energy future.
5
Funding Rounds
$3.7m
Money raised
Perceptual Robotics is an industrial automation company based in Bristol.
1
Funding Rounds
$7.2m
Money raised
A financial technology company offering a household bill payment platform.
1
Funding Rounds
$21.0m
Money raised
Intelligent Energy is a fuel cell engineering company focused on the development of its fuel cell technologies.
2
Funding Rounds
$11.1m
Money raised
Brill Power Limited is a company that develops intelligent battery management systems and technology to enhance the lifetime, performance and safety of lithium-ion battery packs.
7
Funding Rounds
$109.4m
Money raised
Cervest is building an AI platform to augment human decisions on Climate Security for global assets.
1
Funding Rounds
$4.0m
Money raised
Engergi Mine is a reward platform that is designed to help reduce global energy demand.
11
Funding Rounds
$12.1m
Money raised
Electron is an Entech company that is aiding the transition to Net Zero. Electron offers transformative solutions that are available to all energy market participants.
9
Funding Rounds
$140.6m
Money raised
Carbon Clean Solutions is a London-based carbon capture and storage company developing CO2 separation technology for industrial and gas treating applications.
10
Funding Rounds
$17.1m
Money raised
Piclo is a software company that is building smart energy for the future.
3
Funding Rounds
$40.6m
Money raised
Developer of an energy storage technology designed to fight climate change using carbon dioxide (CO2) to accelerate the transition to renewable energy. The company's technology is based on a thermodynamic transformation of CO2 a closed-loop process to store energy and make renewable power dispatchable.
4
Funding Rounds
$9.8m
Money raised
Aceleron is a clean technology company that aims to empower global communities by increasing access to energy storage solutions for its customers.
9
Funding Rounds
$41.9m
Money raised
Econic Technologies is a company developing catalyst chemistry to turn waste carbon dioxide into economic and environmental products.
2
Funding Rounds
$29.3m
Money raised
Hybrid solar technology generating combined heat and power.
2
Funding Rounds
$18.0m
Money raised
Sefaira is a London-based software company developing software for energy efficiency and management in buildings.
7
Funding Rounds
$144.7m
Money raised
Monta is a EV charging platform founded in 2020.
10
Funding Rounds
$7.0m
Money raised
Chaddenwych Services Limited is a London-based software and blockchain technology company founded in 2015.
2
Funding Rounds
$17.0m
Money raised
Abatable is a London-based environmental technology company developing voluntary carbon offsets for companies.
2
Funding Rounds
$12.6m
Money raised
Provider of sustainable on-demand laundry and cleaning services for everyone.
5
Funding Rounds
$167.5m
Money raised
Malta Inc is a company storing renewable energy in molten salt founded by X.
7
Funding Rounds
$24.5m
Money raised
Invinity Energy Systems is a vanadium flow battery company.
2
Funding Rounds
$15.4m
Money raised
GridBeyond is a provider of wireless energy management and control systems for retail, commercial and industrial users.
$100.0k
Money raised
Altroleum is a company that offers a data platform for the energy transition, daily hydrogen cost assessments and more.
1
Funding Rounds
$200.0m
Money raised
Kpler is a fast-growing data & analytics firm on a mission to facilitate efficient and sustainable trade.
1
Funding Rounds
$4.5m
Money raised
Faradion Limited is a manufacuturer of eergy storage technologies.
1
Funding Rounds
$13.7m
Money raised
Anaphite is a dry-coating EV battery technology developer founded in 2016 by Alexander Hewitt.
2
Funding Rounds
$15.3m
Money raised
Hyperdrive designs and develops lithium-ion battery systems.
1
Funding Rounds
Equiwatt Limited is an England-based company with an app and platform that help UK residents .
6
Funding Rounds
$200.0m
Money raised
Sweep is a developers of carbon emissions tracking software.
5
Funding Rounds
$41.2m
Money raised
Ilika is developing solid-state battery technology solutions for applications in IIoT, MedTech, Electric Vehicles, and Consumer Electronics.
1
Funding Rounds
$8.2m
Money raised
Platform helping the food sector reduce its carbon footprint.
2
Funding Rounds
$450.0m
Money raised
Microvast is a Huzhou-based electrical and electronic manufacturing company.
3
Funding Rounds
$11.0m
Money raised
Rezatec is an artificial intelligence company developing geospatial artificial intelligence systems to help businesses manage ground-based assets and infrastructure remotely.
3
Funding Rounds
$5.8m
Money raised
Abundance Investment is a United Kingdom-based company founded in 2009 by Bruce Davis, Karl Harder and Louise Wilson.
3
Funding Rounds
$9.3m
Money raised
Carbon capture technology that reduces industrial CO2 emissions.
8
Funding Rounds
$3.6m
Money raised
Petalite is offering EV charging solutions to energy companies, charge point operators, and fleet management companies to help maximize their ROI potential and provide a competitive and reliable charging service for EV drivers.
1
Funding Rounds
$750.0k
Money raised
Green Running Ltd. develops energy reducing components.
1
Funding Rounds
$1.4m
Money raised
FenestraPro is a Dublin-based company founded in 2012 by David Palmer, Simon Whelan and David Palmer.
7
Funding Rounds
$24.5m
Money raised
Redt Energy Plc, now known as Invinity Energy Systems PLC, is a vanadium flow battery company.
3
Funding Rounds
$7.0m
Money raised
Cheesecake Energy Ltd (CEL) has developed a sustainable energy storage technology to support the charging of electric vehicles and allowing for deeper integration of renewable energy such as solar at a lower cost than market-leading alternatives.
3
Funding Rounds
$40.2m
Money raised
Cambridge Semiconductor Limited is a Cambridge, Cambridgeshire-based company founded in 2002.
3
Funding Rounds
$21.1m
Money raised
Provider of hardware and software solutions for smart electricity grids.
1
Funding Rounds
Simple public electric vehicle charging with an electric fuel card & mobile app for business
3
Funding Rounds
$33.9m
Money raised
Platform providing data, research, and benchmarking tools for energy storage analysis.
4
Funding Rounds
$32.0m
Money raised
Singularity University London is an artificial Intelligence company founded in 2008 by Rob Nail.
2
Funding Rounds
$64.0m
Money raised
Exergyn is a CLEANER WORLD powered by Exergyn founded in 2012 by Alan Healy.
7
Funding Rounds
$25.6m
Money raised
ZapGo Ltd. is a company founded in Oxford, UK.
4
Funding Rounds
$5.8m
Money raised
SEaB Energy is a company that provides small waste-to-energy products.
1
Funding Rounds
$910.0k
Money raised
eleXsys Energy operates as a cleantech energy company.
4
Funding Rounds
$102.9m
Money raised
BBOXX is a London-based designer, manufacturer and distributor of plug and play solar panels and systems.
2
Funding Rounds
$17.8m
Money raised
Moment Energy is a start-up striving to provide greater access to renewable and reliable energy storage.
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