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 85 start-ups with an aggregate funding of $4.6b. The average funding per company in this subset is $66.8m.
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.
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.
1
Funding Rounds
$3.8m
Money raised
Go Eve is an innovations to accelerate the transition to EVs founded in 2021 by Robert Shorten.
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
$1.2m
Money raised
Bonnet is a company developing an app that acts as one subscription for all EV charging networks.
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.
1
Funding Rounds
$7.2m
Money raised
A financial technology company offering a household bill payment platform.
7
Funding Rounds
$109.4m
Money raised
Cervest is building an AI platform to augment human decisions on Climate Security for global assets.
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.
2
Funding Rounds
$29.3m
Money raised
Hybrid solar technology generating combined heat and power.
5
Funding Rounds
$8.1m
Money raised
Platform for creating a people-centric connected world using internet of things technology.
2
Funding Rounds
$18.0m
Money raised
Sefaira is a London-based software company developing software for energy efficiency and management in buildings.
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.
$100.0k
Money raised
Altroleum is a company that offers a data platform for the energy transition, daily hydrogen cost assessments and more.
3
Funding Rounds
$54.6m
Money raised
ev.energy is a smart EV charging software platform founded in 2018 by Nick Woolley.
1
Funding Rounds
$8.2m
Money raised
Platform helping the food sector reduce its carbon footprint.
3
Funding Rounds
$9.3m
Money raised
Carbon capture technology that reduces industrial CO2 emissions.
1
Funding Rounds
$5.0m
Money raised
Thallo is a carbon credit marketplace powered by blockchain, where businesses and individuals can purchase high-quality carbon offsets.
1
Funding Rounds
$750.0k
Money raised
Green Running Ltd. develops energy reducing components.
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
$21.1m
Money raised
Provider of hardware and software solutions for smart electricity grids.
4
Funding Rounds
$32.0m
Money raised
Singularity University London is an artificial Intelligence company founded in 2008 by Rob Nail.
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.
1
Funding Rounds
$5.5m
Money raised
TrueCircle is building a marketplace to support waste processing facilities in selling the verified material they reclaim.
1
Funding Rounds
$2.0m
Money raised
Breathe Battery Technologies is a company founded in 2019. The company develops electric vehicle battery charging control software.
1
Funding Rounds
$7.8m
Money raised
Network connecting graduates, undergraduates, and professionals with suitable job opportunities.
1
Funding Rounds
$320.0k
Money raised
BirdsEyeView harnesses high resolution sattelite imagery to provide farmers and agribusinesses with uncomplicated weather risk insurance.
3
Funding Rounds
$20.0m
Money raised
Tem. is an AI-powered renewable energy platform founded in 2021 by Joe McDonald, Ross Mackay, Bartlomiej Szostek and Jason Stocks.
3
Funding Rounds
$584.5m
Money raised
Newcleo is a clean nuclear technology developer for sustainable energy founded in 2021 by Stefano Buono.
2
Funding Rounds
$3.5m
Money raised
Energy optimisation platform for commercial buildings.
2
Funding Rounds
$42.0m
Money raised
44.01 is a mineralisation technology developer founded in 2020 by Talal Hasan.
1
Funding Rounds
$710.0k
Money raised
Global marketplace for visibility and connectivity for clean energy project developers, advisors, investors, and lenders.
1
Funding Rounds
$32.0m
Money raised
BeZero Carbon is a providers of carbon rating services founded in 2020 by Tommy Ricketts.
1
Funding Rounds
$170.0m
Money raised
Solution to prevent plastic pollution globally and sustainably.
1
Funding Rounds
$18.0m
Money raised
Software enabling enterprise to automate sustainability data measurement, management and exchange - with unparalleled accuracy and ease.
1
Funding Rounds
$640.0k
Money raised
Airex is a smart ventilation control that builds intelligent air ventilation units using atmospheric sensors and cloud algorithms.
4
Funding Rounds
$401.7k
Money raised
SMAP Energy is a company founded in 2016.
2
Funding Rounds
$965.5k
Money raised
Platform providing companies with tools to lead in combating climate change.
1
Funding Rounds
$44.0m
Money raised
Char.gy is a public charge point operator for electric vehicles founded in 2016 by Richard Stobart.
4
Funding Rounds
$39.7m
Money raised
Satellite Vu is a thermal imaging startup founded in 2016.
1
Funding Rounds
$7.6m
Money raised
Renewable biofuels producer from landfill gases.
2
Funding Rounds
$3.4m
Money raised
AI powered Enterprise Net Zero Intelligence Platform - Helping enterprises to digitize and accelerate their net zero journey
2
Funding Rounds
$1.3m
Money raised
Boldr is a home energy management platform founded in 2022.
5
Funding Rounds
$2.2m
Money raised
Renovagen is a London-based company founded in 2012 by John Hingley.
2
Funding Rounds
$98.0m
Money raised
Fuse Energy is a renewable energy producer founded in 2022 by Charles Orr.
3
Funding Rounds
$1.6m
Money raised
Quimera Energy Efficiency is a company founded in 2015.
1
Funding Rounds
$3.2m
Money raised
Axle Energy is a flexible energy software platform founded in 2023.
1
Funding Rounds
$1.8m
Money raised
Barocal Ltd is developing new heating and cooling technologies to satisfy low-carbon requirements.
1
Funding Rounds
$32.3m
Money raised
Provider of electric vehicle fleet and battery storage services.
1
Funding Rounds
$18.0m
Money raised
Supercritical is a green hydrogen production technology developer founded in 2020 by Luke Tan, Matt Bird and Mike Russ.
1
Funding Rounds
$1.5m
Money raised
Porpoise Power is a developer of tidal energy technology founded in 2024 by John Kennedy, Adrian Thomas, Hilary Struthers and Martin Hall.
1
Funding Rounds
$53.0m
Money raised
Your Energy, an investment by Mistral Energy I LP., is an independent UK based renewable energy company established in 2001. Services include planning, environmental services, wind turbine technology, contract law and project financing.
1
Funding Rounds
$1.6m
Money raised
ChargedUp is a company founded by Forrest Skerman-Stevenson, Hakeem Buge and Hugo Tilmouth.
1
Funding Rounds
$3.3m
Money raised
Powering mega-buildings and homes with clean energy generated on-site using new thin-film solar, overcoming weight and aesthetic challenges.
2
Funding Rounds
$5.7m
Money raised
ML technology to plan and operationalize Sustainability & Net Zero Carbon ambitions; balancing People, Planet & Profit.
1
Funding Rounds
$8.0m
Money raised
Sterecycle is a waste management company specialising in advanced systems for the treatment of municipal wastes and the conversion of the organic portion into a renewable energy biomass.
1
Funding Rounds
$1.6m
Money raised
B2B Marketplace for construction waste, bulky materials and equipment hire.
1
Funding Rounds
$10.0m
Money raised
Piclo is an OS for electricity grids founded in 2013.
1
Funding Rounds
$870.0k
Money raised
Platform for managing decarbonization in large enterprises and heavy industries.
1
Funding Rounds
$19.0m
Money raised
Polymateria is a London-based startup advancing science to help nature deal with plastic pollution.
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