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Climate news, grouped by story, and evidence-led Green Scores for the companies behind it. Independent and self-funded, with no sponsors and no paid placement.

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Climate companies

327 companies

Ranked by the ClimateTicker Green Score: who genuinely helps, and who to watch. How we score companies

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Score / tier

Kensa Group
Heat pumpsTruro, UKUK's largest manufacturer of ground source heat pumps, responsible for over half of all ground source heat pump installations in Britain.55Mixed / Improving
SINAI Technologies
Carbon accountingSan Francisco, USEnterprise decarbonization software platform that enables large companies to monitor, analyze, price, and reduce carbon emissions across operations and value chains.55Mixed / Improving
Stegra
Green steelStockholm, SwedenSwedish green-steel producer (formerly H2 Green Steel) building a hydrogen-based direct-reduction steel plant in Boden; rebranded to Stegra in 2024.55Mixed / Improving
Twelve
E-fuels and synthetic aviation fuelBerkeley, USElectrochemical carbon transformation company producing E-Jet synthetic aviation fuel from CO2, water, and renewable electricity with up to 90% lower lifecycle emissions.55Mixed / Improving
Baseload Capital
GeothermalStockholm, SwedenSwedish geothermal project developer and financier that builds and operates low-temperature binary-cycle geothermal plants globally, backed by Ingka Investments, Baker Hughes, and Breakthrough Energy Ventures.54Mixed / Improving
Breakthrough Energy Ventures
Climate VCKirkland, WA, USBill Gates-led multi-billion dollar climate tech VC fund backing early-stage technologies that can cut global greenhouse gas emissions at meaningful scale.54Mixed / Improving
CorPower Ocean
Wave energyStockholm, SwedenWave energy company developing point-absorber WECs with patented WaveSpring resonance technology that survived 18.5 m waves off Portugal, targeting a 10 MW VianaWave pre-commercial farm.54Mixed / Improving
Glen Dimplex
Electric heating & heat pumpsDublin, IrelandWorld's largest electric heating business, manufacturing heat pumps, high heat retention storage heaters, and smart controls that enable the shift away from fossil-fuel heating.54Mixed / Improving
Lowercarbon Capital
Climate VCClimate-focused venture firm founded by Chris and Crystal Sacca investing in companies pulling carbon out of the sky, cutting emissions, and solving the climate crisis.54Mixed / Improving
Lucid Group
LCIDEV MakerNewark, CA, USAUS luxury EV maker producing the Lucid Air sedan (500+ mile EPA range) and Gravity SUV, backed by Saudi Arabia's Public Investment Fund, with an industry-leading powertrain efficiency.54Mixed / Improving
Measurabl
ESG dataSan Diego, USWorld's most widely adopted ESG data management and reporting platform for commercial real estate, covering 21 billion sq ft across 90+ countries for owners and asset managers.54Mixed / Improving
Minesto AB
MINESTTidal energyGothenburg, SwedenDeveloper of the Deep Green tidal kite — an underwater kite with a turbine that sweeps a large area to generate electricity from slow-moving tidal streams and ocean currents, with deployments in the Faroe Islands and Wales.54Mixed / Improving
Sunamp
Thermal energy storageEast Lothian, UKScottish company making compact heat batteries using patented phase-change materials, storing up to four times more energy than a conventional hot water tank of the same size.54Mixed / Improving
thermondo
Heat pump installationBerlin, GermanyGermany's largest heat pump and heating installer, with over 1,000 employees and more than 50,000 systems installed; has stopped selling new gas boilers to focus entirely on heat pumps.54Mixed / Improving
TPI Composites
TPICOnshore windScottsdale, USThe only independent US-based manufacturer of composite wind blades at scale, supplying major turbine OEMs from facilities across four continents.54Mixed / Improving
AFC Energy
AFCHydrogen fuel cellsCranleigh, UKUK manufacturer of alkaline fuel cell systems that use hydrogen to generate zero-emission electricity for construction sites, events and off-grid applications.53Mixed / Improving
Array Technologies
ARRYSolarAlbuquerque, NM, USManufactures single-axis solar tracker systems for utility-scale solar farms, enabling panels to follow the sun and increase energy output.53Mixed / Improving
Electric Hydrogen
Green hydrogenDevens, Massachusetts, USAUS electrolyser startup developing 100 MW HYPRPlant PEM systems targeting $1.50/kg green hydrogen, the first green hydrogen unicorn backed by bp Ventures and the US DOE.53Mixed / Improving
HeidelbergMaterials
HEIDELCementHeidelberg, GermanyGerman cement and aggregates major operating over 3,000 production sites in 50+ countries, pursuing carbon capture (Brevik CCS project) while remaining a top-five global emitter in the sector.53Mixed / Improving
Invinity Energy Systems
IESEnergy storageLondon, UKGlobal manufacturer of vanadium flow batteries (ENDURIUM and VS3 product lines) for commercial and utility-scale stationary energy storage, with operations across the UK, US, Canada, China, and Australia.53Mixed / Improving
Nature's Fynd
Alt-proteinChicago, IL, USFerments a Yellowstone-origin fungal microorganism to produce Fy protein, a complete nutritional fungi protein used in meat and dairy alternatives with a minimal land and water footprint.53Mixed / Improving
Pod Point
EV chargingUK EV charging hardware manufacturer and network operator with over 250,000 charge points; majority owned by EDF Energy after a 2022 acquisition.53Mixed / Improving
Boston Metal
Green steelWoburn, USAMIT spinout commercialising molten oxide electrolysis (MOE) to convert iron ore directly into steel using electricity, eliminating coal and coke from the ironmaking process.52Mixed / Improving
BYD
1211EV MakerShenzhen, ChinaChinese EV and battery manufacturer — the world's largest NEV seller — producing only battery-electric and plug-in hybrid vehicles after halting pure-ICE production in 2022.52Mixed / Improving
Congruent Ventures
Climate VCOakland, CA, USOakland-based early-stage VC investing in climate and sustainability companies spanning clean energy, circular economy, sustainable food, and mobility sectors.52Mixed / Improving
Nel ASA
NELGreen hydrogenOslo, NorwayNorwegian global supplier of alkaline and PEM electrolysers and hydrogen fuelling stations for industrial, mobility and energy storage applications.52Mixed / Improving
NetZeroNitrogen
AgritechNottingham, UKDevelops endophytic bacteria-based biofertilisers that replace synthetic nitrogen fertilisers, cutting agricultural greenhouse gas emissions and improving soil health.52Mixed / Improving
Origami Energy
Grid / smart-grid & VPP softwareCambridge, UKOrigami Energy operates a UK energy flexibility platform connecting commercial and industrial assets — including batteries, EV charging, and HVAC — to grid balancing markets and virtual power plant aggregation services.52Mixed / Improving
ChargePoint Holdings
CHPTEV chargingCampbell, California, USOperator of one of the world's largest EV charging networks, offering hardware, software and services across North America and Europe with over 1.3 million ports.51Mixed / Improving
Fluence Energy
FLNCEnergy storageArlington, VA, USGlobal energy storage technology and services company offering utility-scale battery systems and AI-powered optimization software, ranked among the top three BESS providers worldwide.51Mixed / Improving
GridBeyond
Grid / smart-grid & VPP softwareDublin, IrelandGridBeyond is an AI-powered energy intelligence platform that enables commercial and industrial customers to participate in demand response, ancillary services markets, and virtual power plant aggregation across UK, Ireland, and North America.51Mixed / Improving
Indigo Ag
Regenerative agBoston, MA, USCombines microbial seed treatments, digital agronomy tools, and a carbon marketplace to help row-crop farmers adopt regenerative practices and generate verified carbon credits.51Mixed / Improving
Kairos Power
Nuclear / SMRAlameda, United StatesKairos Power develops the KP-FHR fluoride salt-cooled high-temperature reactor and broke ground on its Hermes 2 demonstration plant in April 2026 under a 500 MW supply agreement with Google.51Mixed / Improving
Meyer Burger Technology
MBTNSolarThun, SwitzerlandSwiss manufacturer of high-efficiency heterojunction solar cells and modules targeting premium residential and commercial markets.51Mixed / Improving
tepeo
Building decarbonisationWokingham, UKUK cleantech company making the Zero Emission Boiler (ZEB), a heat-battery boiler that slots into existing wet central heating systems as a direct replacement for gas and oil boilers.51Mixed / Improving
Anker
Technology50Mixed / Improving
Bluetti
Energy50Mixed / Improving
Carbon Clean
Carbon removalLondon, UKUK point-source carbon capture company providing modular CCS equipment and proprietary solvents to decarbonise hard-to-abate industries such as cement, steel, and waste-to-energy.50Mixed / Improving
CATL
Energy50Mixed / Improving
ClimateAi
Agricultural climate risk AISan Francisco, USClimateAi provides an AI-driven climate resilience platform with hyper-local seasonal forecasting and risk analytics for global agricultural and water supply chains, helping food companies adapt sourcing and operations to a changing climate.50Mixed / Improving
Invenergy
Onshore windChicago, USChicago-based independent developer, owner, and operator of clean energy facilities with one of the largest onshore wind portfolios in North America.50Mixed / Improving
Jackery
Energy50Mixed / Improving
Newcleo
Nuclear / SMRParis, FranceNewcleo is developing MOX-fuelled lead-cooled fast reactors to generate low-carbon power while consuming nuclear waste, with a prototype 30 MWe reactor planned in France and over €537m raised.50Mixed / Improving
Quaise Energy
GeothermalCambridge, United StatesMIT spinout developing superhot rock geothermal energy by using high-power millimeter-wave beams to vaporize rock at extreme depths, with a flagship 50 MW Project Obsidian planned in Oregon.50Mixed / Improving
tado°
Smart heating controlsMunich, GermanyEurope's largest smart thermostat and heating-control company, using AI and geofencing to cut household heating emissions; backed by Amazon, E.ON and the European Investment Bank.50Mixed / Improving
X-energy
XENuclear / SMRRockville, United StatesX-energy develops the Xe-100 pebble-bed high-temperature gas-cooled reactor and TRISO-X HALEU fuel, with contracted deployments for Amazon and Dow and a $1B+ NASDAQ IPO in April 2026.50Mixed / Improving
Habitat Energy
Energy storageOxford, UKBattery storage optimization and trading software company whose AI-powered EVOLVE platform manages over 5.5 GW of contracted grid-scale battery and renewable assets across the UK, US, and Australia.49Mixed / Improving
Highview Power
Energy storageLondon, UKLong-duration energy storage pioneer using proprietary liquid air energy storage (LAES/CRYOBattery) technology, with over £500 million secured and a 50 MW/300 MWh facility under construction in Manchester.49Mixed / Improving

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