Company lists · Data refreshed September 2026

Top 25 Climate adaptation organizations based in Germany

Name: Climate adaptation organizations based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 184 companies tracked

RevenueBase identified 184 climate adaptation organizations headquartered in Germany as of September 2026 and tracks 1,952 professional contacts across them, including 680 with verified work emails. Berlin is the largest hub.

This list covers climate adaptation organizations headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

184Companies

1,952Contacts tracked

680Verified emails

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The 25 largest climate adaptation organizations based in Germany

Ranked by team size

Top 25 of 184 climate adaptation organizations based in Germany, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to climate adaptation organizations: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Adelphi	Partial evidence	Berlin, GermanyHQ checked Sep 19, 2026	201-500	269 contacts →
	Partial evidence “adelphi consult is a leading independent consultancy specialising in climate, environment and development.” Source: RevenueBase Database · checked Sep 19, 2026
2	Wuppertal Institute For Climate, Environment And Energy	Indirect evidence	Wuppertal, GermanyHQ checked Sep 19, 2026	201-500	249 contacts →
	Indirect evidence “The Wuppertal Institute is an implementation-oriented research institute with roots in North Rhine-Westphalia and a global outlook.” Source: RevenueBase Database · checked Sep 19, 2026
3	Perspectives Climate Group	Partial evidence	Freiburg Im Breisgau, GermanyHQ checked Sep 19, 2026	51-200	63 contacts →
	Partial evidence “Perspectives drives climate action through leading research and supporting our clients' environmental ambitions.” Source: RevenueBase Database · checked Sep 19, 2026
4	Germanzero	Indirect evidence	Berlin, GermanyHQ checked Sep 19, 2026	11-50	56 contacts →
	Indirect evidence “Die Politik allein kann die Klimakrise nicht lösen.” Source: RevenueBase Database · checked Sep 19, 2026
5	Forliance	Indirect evidence	Bonn, GermanyHQ checked Sep 19, 2026	51-200	54 contacts →
	Indirect evidence “We believe in the power of alliances.” Source: RevenueBase Database · checked Sep 19, 2026
6	Bauhaus Earth	Partial evidence	Berlin, GermanyHQ checked Sep 19, 2026	11-50	45 contacts →
	Partial evidence “Bauhaus Earth is committed to a future where buildings, cities, and landscapes proactively contribute to climate restoration and have a positive impact on the planet and its…” Source: RevenueBase Database · checked Sep 19, 2026
7	Climate Action Network International	Partial evidence	Bonn, GermanyHQ checked Sep 19, 2026	11-50	43 contacts →
	Partial evidence “Climate Action Network (CAN) is a global network of civil society groups, in 130+ countries, offering real and just solutions to the climate crisis.” Source: RevenueBase Database · checked Sep 19, 2026
8	Newclimate Institute	Partial evidence	Cologne, GermanyHQ checked Sep 19, 2026	11-50	40 contacts →
	Partial evidence “NewClimate Institute for Climate Policy and Global Sustainability brings action on climate change from ideas to implementation.” Source: RevenueBase Database · checked Sep 19, 2026
9	Planadapt	Strong evidence	Berlin, GermanyHQ checked Sep 19, 2026	11-50	40 contacts →
	Strong evidence “PlanAdapt is a global network-based organisation that provides knowledge services in support of economically just, socially inclusive and effective climate adaptation around the…” Source: RevenueBase Database · checked Sep 19, 2026
10	Global Climate Forum	Partial evidence	Berlin, GermanyHQ checked Sep 19, 2026	51-200	27 contacts →
	Partial evidence “Global Climate Forum is a research institute and stakeholder forum based in Berlin, Germany dedicated to the study of climate change and related global challenges.” Source: RevenueBase Database · checked Sep 19, 2026
11	Energy Agency Region Freiburg	Partial evidence	Freiburg Im Breisgau, GermanyHQ checked Sep 19, 2026	11-50	26 contacts →
	Partial evidence “Our climate is changing.” Source: RevenueBase Database · checked Sep 19, 2026
12	Repath	Indirect evidence	Hamburg, GermanyHQ checked Sep 19, 2026	11-50	25 contacts →
	Indirect evidence “The leader in physical infrastructure risk.” Source: RevenueBase Database · checked Sep 19, 2026
13	Heat Gmbh	Partial evidence	GermanyHQ checked Sep 19, 2026	11-50	24 contacts →
	Partial evidence “HEAT is an independent international climate and environment advisory company.” Source: RevenueBase Database · checked Sep 19, 2026
14	KLUG	Indirect evidence	Berlin, GermanyHQ checked Sep 19, 2026	11-50	24 contacts →
	Indirect evidence “Der Klimawandel ist die größte Bedrohung der Gesundheit in diesem Jahrhundert.” Source: RevenueBase Database · checked Sep 19, 2026
15	Innovation City Management Gmbh	Indirect evidence	Bottrop, GermanyHQ checked Sep 19, 2026	11-50	23 contacts →
	Indirect evidence “Die Innovation City Management GmbH steht für klimagerechten Stadtumbau.” Source: RevenueBase Database · checked Sep 19, 2026
16	Foundation Development And Climate Alliance	Partial evidence	Berlin, GermanyHQ checked Sep 19, 2026	11-50	17 contacts →
	Partial evidence “The principle behind the Alliance is that companies, institutions, organizations and individuals promote climate protection projects where the impact on development is greatest…” Source: RevenueBase Database · checked Sep 19, 2026
17	Eclareon Gmbh	Partial evidence	Berlin, GermanyHQ checked Sep 19, 2026	11-50	17 contacts →
	Partial evidence “eclareon is a consulting firm working internationally to support public and private institutions engaged in the fields of renewable energy, energy efficiency, climate policies and…” Source: RevenueBase Database · checked Sep 19, 2026
18	Deutsche Klimastiftung	Indirect evidence	Bremen, GermanyHQ checked Sep 19, 2026	1-10	15 contacts →
	Indirect evidence “Wie setzen uns als Deutsche KlimaStiftung bereits seit 2009 unabhängig und gemeinnützig für Klimabildung und Dialog im In- und Ausland ein.” Source: RevenueBase Database · checked Sep 19, 2026
19	Klimaschutzagentur Region Hannover Gmbh	Indirect evidence	Hannover, GermanyHQ checked Sep 19, 2026	11-50	13 contacts →
	Indirect evidence “Wir, die gemeinnützige Klimaschutzagentur Region Hannover informieren, beraten und motivieren Bürger:innen sowie Unternehmen rund um den Klimaschutz.” Source: RevenueBase Database · checked Sep 19, 2026
20	greentech.training	Partial evidence	Berlin, GermanyHQ checked Sep 19, 2026	11-50	13 contacts →
	Partial evidence “greentech.training is dedicated to bridging the global climate skills gap by sourcing, upskilling, and integrating international professionals into the green economy.” Source: RevenueBase Database · checked Sep 19, 2026
21	Theia Finance Labs	Indirect evidence	Berlin, GermanyHQ checked Sep 19, 2026	11-50	10 contacts →
	Indirect evidence “Theia Finance Labs (formerly 2° Investing Initiative Germany) is an independent, non-profit think tank incubating research solutions for the financial sector that solve the…” Source: RevenueBase Database · checked Sep 19, 2026
22	Govshare	Indirect evidence	Munich, GermanyHQ checked Sep 19, 2026	1-10	10 contacts →
	Indirect evidence “Kommunen spielen eine tragende Rolle im Kampf gegen den Klimawandel und für Klimaanpassung.” Source: RevenueBase Database · checked Sep 19, 2026
23	Plan B 2030 E.V	Indirect evidence	Berlin, GermanyHQ checked Sep 19, 2026	11-50	10 contacts →
	Indirect evidence “PLAN B ist ein Koordinations-Netzwerk, das Menschen dabei unterstützt, gute Lösungen mit anderen umzusetzen und kleine Beiträge zum großen Ganzen zu leisten - und große Beiträge…” Source: RevenueBase Database · checked Sep 19, 2026
24	Heimatwurzeln	Indirect evidence	Bonn, GermanyHQ checked Sep 19, 2026	11-50	9 contacts →
	Indirect evidence “Heimatwurzeln setzt sich ein für bürgerlichen Klimaschutz und fördert mit Partnerorganisationen die Akzeptanz für Klimaschutzmaßnahmen in der Mitte der Gesellschaft.” Source: RevenueBase Database · checked Sep 19, 2026
25	Klima Arena	Indirect evidence	Sinsheim, GermanyHQ checked Sep 19, 2026	51-200	9 contacts →
	Indirect evidence “Die KLIMA ARENA in Sinsheim \| Erlebe, was du tun kannst!” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: climate adaptation organizations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names climate adaptation organizations.
Partial evidence: Its own public description names part of climate adaptation organizations, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name climate adaptation organizations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 184 climate adaptation organizations based in Germany

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Climate adaptation organizations based in Germany at a glance

As of Sep 19, 2026

34.8%Verified-email coverage

10.6Average contacts per company

1-10Median size (employees)

31.5%Largest-city concentration · Berlin

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

114

11-50

51-200

201-500

10001+

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 184 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among climate adaptation organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Germany whose own description of what they do matches “climate adaptation organizations”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names climate adaptation organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among climate adaptation organizations, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 680 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Climate adaptation organizations by metro

Climate adaptation organizations in Berlin58

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names climate adaptation organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many climate adaptation organizations are there based in Germany?

RevenueBase identified 184 climate adaptation organizations headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Adelphi, headquartered in Berlin, tops this list with the largest team on record.

Which city has the most climate adaptation organizations?

Berlin leads with 58 headquartered companies, followed by Hamburg (11) and Bonn (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 680 verified decision-maker contacts tracked across these 184 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.