Market map · Europe

Green buildings market map: Europe

73 green buildings startups based in Europe that have raised money in rounds we track, placed in 3 segments by what each says it does. Together they have raised $1.3B; the biggest segment is heat pumps and HVAC.

73startups on the map
3segments
$1.3Braised between them
Heat pumps and HVACmost funded segment

Heat pumps and HVAC

37

+13 more

Retrofit and insulation

18

Building energy software

18

Segment by segment

Heat pumps and HVAC

37 startups · $828M raised

  1. ElvyElvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems.Sweden$595M
  2. RERotherham EnergyRotherham Energy provides plumbling, heating, and air conditioning installation.United Kingdom$31M
  3. RendescoRendesco's mission is to transform the heating business by creating geothermal networks using ground-source heat pump technology.United Kingdom$21M
  4. BEBradford EnergyBradford Energy offers an air source heat pump heat network.United Kingdom$20M
  5. HeatTransformersHeatTransformers is a Netherlands-based technology company founded in 2018, focused on hybrid and all-electric heat pump solutions.Netherlands$16M
  6. Kensa ContractingKensa Contracting is a consulting firm that design, supply, install, own and operate shared ground heat pumps for various projects.United Kingdom$14M
  7. ecop Technologies GmbHecop Technologies GmbH is an Austrian clean-tech company founded in 2007, with its establishment in Vienna noted in 2011.Austria$12M
  8. GALVANYGALVANY is a Green-Tech company based in Berlin that focuses on the heat transition.Germany$12M

Retrofit and insulation

18 startups · $362M raised

  1. ThermulonThermulon has developed a novel chemical pathway to produce building insulation materials.United Kingdom$158M
  2. Greener Solutions GroupGreener Solutions Group specializes in retrofit design and assessment services.United Kingdom$131M
  3. VARMVARM is a prominent ClimateTech startup based in Berlin, Germany, specializing in building insulation.Germany$26M
  4. Keey AerogelKeey Aerogel is a French nanotechnology company founded in 2015 by Francisco Ruiz.France$19M
  5. MykorMykor is a UK-based biotechnology and advanced materials company founded in 2021.United Kingdom$8.4M
  6. FiberwoodFiberwood is a new eco-friendly wood fiber insulation that can be used for a variety of purposes and which has excellent insulation values.Finland$3.6M
  7. FurbnowFurbnow is a home energy efficiency and retrofit company based in Birmingham, England.United Kingdom$3.6M
  8. TallarnaTallarna is a climate tech and finance platform focused on decarbonization in the built environment.United Kingdom$3.1M

Building energy software

18 startups · $93M raised

  1. HaltianHaltian is a global Internet of Things (IoT) company based in Oulu, Finland, founded in 2012 by former Nokia engineers.Finland$29M
  2. FabriqFabriq is an IoT platform for energy, resource and smart building data for smart connected spacesFrance$26M
  3. MetrikusMetrikus is a smart building software platform founded in 2019 and based in London.United Kingdom$7.7M
  4. EnerbrainEnerbrain is an Italian climate tech company founded in 2015 and based in Turin.Italy$6.2M
  5. OpenSensorsOpenSensors is a London-based technology company that specializes in Smart Building Management, Workspace Optimization, and IoT solutions.United Kingdom$4.0M
  6. LAIIERLAIIER is a smart building technology company based in London, UK, specializing in liquid leak detection and infrastructure intelligence.United Kingdom$4.0M
  7. BsitBSIT encompasses multiple organizations with distinct focuses.Belgium$3.3M
  8. Octopus LabOctopus Lab is a French deep tech company focused on predictive software solutions that improve indoor air quality (IAQ), energy eFrance$3.1M

How this map is made. Every startup here has raised money in rounds we track, and is based in Europe. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in green buildings, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026.

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