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Top Climate tech companies in Berlin

Companies decarbonising power, transport, agriculture, and industry. Filtered to companies headquartered in Berlin.

Built from a search like: “Top Climate tech companies in Berlin”

Ranked by current headcount across Climate tech companies headquartered in Berlin. Refreshed daily.

  1. 1
    ALBA· Berlin, Berlin, Germany
    • 1.3k employees
    • Founded 1968
  2. 2
    Qcells Europe· Berlin, Berlin, Germany
    • 1.2k employees
  3. 3
    Berliner Wasserbetriebe· Berlin, Berlin, Germany
    • 976 employees
  4. 4
    Berliner Stadtreinigung· Berlin, Berlin, Germany
    • 638 employees
    • Founded 1951
  5. 5
    Interstate Waste Services, Inc.· Teaneck, New Jersey, United States
    • Private equity
    • 624 employees
    • Founded 1991
  6. 6
    BIR· Bergen, Vestland, Norway
    • 500 employees
  7. 7
    thermondo· Berlin, Berlin, Germany
    • Debt
    • 488 employees
    • Founded 2013
  8. 8
    Planet Wild· Berlin, Berlin, Germany
    • 372 employees
    • Founded 2023
  9. 9
    Veolia Deutschland· Berlin, Berlin, Germany
    • 299 employees
    • Founded 2016
  10. 10
    ITU AbsorbTech· New Berlin, Wisconsin, United States
    • 248 employees
    • Founded 1930
  11. 11
    N+P Group· Bergen, Limburg, Netherlands
    • 170 employees
    • Founded 1993
  12. 12
    Klim· Berlin, Berlin, Germany
    • Convertible note
    • 139 employees
    • Founded 2020
  13. 13
    Greentech Alliance· Berlin, Berlin, Germany
    • 126 employees
    • Founded 2020
  14. 14
    Bundesverband WindEnergie e.V.· Berlin, Berlin, Germany
    • 112 employees
    • Founded 1969
  15. 15
    BLS Energieplan GmbH· Berlin, Berlin, Germany
    • 111 employees
    • Founded 1984
  16. 16
    RelyOn (Norway)· Bergen, Vestland, Norway
    • 109 employees
    • Founded 1976
  17. 17
    RK Environmental Services· Westwood, New Jersey, United States
    • 108 employees
    • Founded 2000
  18. 18
    Flexit AS· Bergen, Vestland, Norway
    • 93 employees
    • Founded 1974
  19. 19
    ROTORWORKS GmbH· Berlin, Berlin, Germany
    • 91 employees
    • Founded 1995
  20. 20
    Berlin Recycling· Berlin, Berlin, Germany
    • 84 employees
    • Founded 2000
  21. 21
    Solandeo GmbH· Berlin, Berlin, Germany
    • Seed
    • 82 employees
    • Founded 2014
  22. 22
    B.A.U.M. Consult GmbH· Berlin, Berlin, Germany
    • 81 employees
    • Founded 1991
  23. 23
    atmosfair gGmbH· Berlin, Berlin, Germany
    • 72 employees
    • Founded 2005
  24. 24
    Hastings Air Energy Control, Inc.· New Berlin, Wisconsin, United States
    • 68 employees
    • Founded 1969
  25. 25
    EDF power solutions Deutschland· Berlin, Berlin, Germany
    • 68 employees
    • Founded 2018

Find engineers at Climate tech companies in Berlin

Berlin has long been a hub for Climate tech, and the list above ranks the largest Climate tech companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 190 matching companies in our index, this is a good map of where the Climate tech talent in Berlinlives — useful whether you’re recruiting, partnering, or sizing a market.

The biggest Climate tech companies in Berlin tend to be the gravitational centres for specialised talent — senior engineers, ML researchers, applied scientists, designers — while the smaller ones compete on speed, equity, and proximity to founders.

Refolk converts this list into a live search. Ask for “Climate tech engineers in Berlinhiring senior staff” or “founders of Climate tech companies in Berlinwho left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.

How this list is built

Refolk pulled Climate tech companies headquartered in Berlin from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 06:47:20 GMT

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