# Climate AI Market Map United Kingdom 2026: 27 Startups in 4 Segments > 27 climate AI startups in the United Kingdom, mapped in 4 segments: carbon accounting and reporting, energy optimisation and climate risk and weather and more. Source: https://millionrounds.com/market-maps/climate-ai-united-kingdom-market-map (Millionrounds; every figure on the page links to its filing or article) ## Carbon accounting and reporting 11 - [Ev.energy](https://millionrounds.com/company/ev-energy) - [ecosync](https://millionrounds.com/company/ecosync) - [CarbonChain](https://millionrounds.com/company/carbonchain) - [OctaiPipe](https://millionrounds.com/company/octaipipe) - [xWatts](https://millionrounds.com/company/xwatts) - [Lightfoot](https://millionrounds.com/company/lightfoot) - [LUMENSTREAM](https://millionrounds.com/company/lumenstream) - [Baotree](https://millionrounds.com/company/baotree) - [DitchCarbon](https://millionrounds.com/company/ditchcarbon) - [GreenStitch.io](https://millionrounds.com/company/greenstitch-io) - [ARROE](https://millionrounds.com/company/arroe) ## Energy optimisation 8 - [Gigaton](https://millionrounds.com/company/gigaton) - [Software Sustainability Institute](https://millionrounds.com/company/software-sustainability-institute) - [Angara Global Ltd (UK)](https://millionrounds.com/company/angara-global-ltd-uk) - [Greenpixie](https://millionrounds.com/company/greenpixie) - [Carbon Re](https://millionrounds.com/company/carbon-re) - [Cosysense](https://millionrounds.com/company/cosysense) - [Grand Bequest](https://millionrounds.com/company/grand-bequest) - [Kestrix](https://millionrounds.com/company/kestrix) ## Climate risk and weather 4 - [Climate X](https://millionrounds.com/company/climate-x) - [Earth Blox](https://millionrounds.com/company/earth-blox) - [Floodlight](https://millionrounds.com/company/floodlight) - [Climingo](https://millionrounds.com/company/climingo) ## Nature and earth observation 4 - [Pivotal Future](https://millionrounds.com/company/pivotal-future) - [Downforce Technologies](https://millionrounds.com/company/downforce-technologies) - [Verna](https://millionrounds.com/company/verna) - [Deep Planet](https://millionrounds.com/company/deep-planet) ## Segment by segment ### Carbon accounting and reporting 11 startups · $80M raised - [**Ev.energy**](https://millionrounds.com/company/ev-energy) Ev.energy is a smart charging software platform for electric vehicles to reduce carbon emissions and costs. United Kingdom $41M - [**ecosync**](https://millionrounds.com/company/ecosync) EcoSync is a cleantech company founded in 2018 by a team of engineers from Oxford University. United Kingdom $11M - [**CarbonChain**](https://millionrounds.com/company/carbonchain) CarbonChain is a London-based climate technology company founded in 2019, specializing in AI-powered carbon accounting and emissio United Kingdom $10M - [**OctaiPipe**](https://millionrounds.com/company/octaipipe) OctaiPipe is an AI-powered optimisation software solution that delivers up to 30% savings in cooling energy use with zero disruption. United Kingdom $4.3M - [**xWatts**](https://millionrounds.com/company/xwatts) xWatts, founded in August 2022 and based in Cambridge, United Kingdom, is a ClimateTech and SaaS company focused on intelligent en United Kingdom $4.1M - [**Lightfoot**](https://millionrounds.com/company/lightfoot) Lightfoot is a UK-based green technology company founded in 2013, specializing in fleet telematics and AI-powered in-car driver co United Kingdom $4.0M - [**LUMENSTREAM**](https://millionrounds.com/company/lumenstream) LumenStream is a Belfast-based cleantech company dedicated to helping businesses lower energy costs and carbon emissions through s United Kingdom $1.6M - [**Baotree**](https://millionrounds.com/company/baotree) Baotree is a London-based B2B SaaS company founded in 2020, specializing in sustainability data solutions. United Kingdom $1.3M ### Energy optimisation 8 startups · $64M raised - [**Gigaton**](https://millionrounds.com/company/gigaton) Gigaton is a UK-based climate tech startup focused on developing a Self-Learning Control system that utilizes deep reinforcement learning AI. United Kingdom $26M - [**Software Sustainability Institute**](https://millionrounds.com/company/software-sustainability-institute) Software Sustainability Institute is a national facility for building better software based in the UK United Kingdom $13M - [**Angara Global Ltd (UK)**](https://millionrounds.com/company/angara-global-ltd-uk) Angara Global Ltd is a privately held climate technology company based in London, founded in 2015. United Kingdom $8.8M - [**Greenpixie**](https://millionrounds.com/company/greenpixie) Greenpixie is a London-based energy and sustainability technology startup founded in 2021 by John Ridd and William Tinney. United Kingdom $8.4M - [**Carbon Re**](https://millionrounds.com/company/carbon-re) Carbon Re is a climate technology company developing artificial intelligence to decarbonize energy-intensive industries. United Kingdom $6.4M - [**Cosysense**](https://millionrounds.com/company/cosysense) Cosysense is a London-based climate tech startup founded in 2022. United Kingdom $613K - [**Grand Bequest**](https://millionrounds.com/company/grand-bequest) Grand Bequest is a property technology (PropTech) company dedicated to redeveloping vacant and empty buildings. United Kingdom $374K - [**Kestrix**](https://millionrounds.com/company/kestrix) Kestrix is a climate technology and energy efficiency startup founded in 2022 by Lucy Lyons and Matt Goodridge. United Kingdom $136K ### Climate risk and weather 4 startups · $34M raised - [**Climate X**](https://millionrounds.com/company/climate-x) Climate X is a London-based climate risk data and analytics company founded in 2020. United Kingdom $19M - [**Earth Blox**](https://millionrounds.com/company/earth-blox) Earth Blox is an environmental intelligence company based in Edinburgh, Scotland, founded in 2019. United Kingdom $8.0M - [**Floodlight**](https://millionrounds.com/company/floodlight) Floodlight is a climate intelligence company delivering science-based, asset-level insights to banks, asset managers, insurers, ci United Kingdom $6.4M - [**Climingo**](https://millionrounds.com/company/climingo) Climingo is a London-based climate-tech company that offers a vendor-neutral platform for comparing and selecting weather and clim United Kingdom $545K ### Nature and earth observation 4 startups · $17M raised - [**Pivotal Future**](https://millionrounds.com/company/pivotal-future) Pivotal Future Ltd is a biodiversity data and analytics company based in Cambridge, England. United Kingdom $6.4M - [**Downforce Technologies**](https://millionrounds.com/company/downforce-technologies) Downforce Technologies is a climate technology company focused on data-driven solutions for measuring and verifying soil health, w United Kingdom $4.4M - [**Verna**](https://millionrounds.com/company/verna) Verna is a software platform company based in Borehamwood, England, focused on nature recovery and environmental management. United Kingdom $4.0M - [**Deep Planet**](https://millionrounds.com/company/deep-planet) Deep Planet is a global AgriTech company founded in 2018 by scientists from Oxford University. United Kingdom $2.7M **How this map is made.** Every startup here has raised money in rounds we track, and is based in United Kingdom. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in climate AI, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026. ## More market maps [All maps](https://millionrounds.com/market-maps) [Market map **Climate AI market map** 193 startups · 5 segments · $2.1B](https://millionrounds.com/market-maps/climate-ai-market-map)[New wave **New climate AI startups, founded 2020 on** 97 startups · 5 segments · $724M](https://millionrounds.com/market-maps/new-climate-ai-startups-market-map)[Market map · Europe **Climate AI market map: Europe** 90 startups · 5 segments · $544M](https://millionrounds.com/market-maps/climate-ai-europe-market-map)[Investors map **Who invests in climate AI** 74 investors · 4 segments](https://millionrounds.com/market-maps/climate-ai-investors-map)[Market map · United States **Climate AI market map: United States** 65 startups · 5 segments · $1.4B](https://millionrounds.com/market-maps/climate-ai-united-states-market-map)[Raised in 2026 **Climate AI startups that raised in 2026** 20 startups · 4 segments · $359M](https://millionrounds.com/market-maps/climate-ai-raised-2026-market-map) ## Who backs climate AI? Open any company for its rounds and investors, or search the investors behind these startups in the app, with filters, lists and exports. [Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[Top lists](https://millionrounds.com/top-lists)