Company lists · Data refreshed November 2026

Top 25 Carbon reduction nonprofits based in Germany

RevenueBase identified 90 company matches for carbon reduction nonprofits associated with Germany as of November 2026 and tracks 1,278 professional contacts across them, including 679 with verified work emails. Berlin is the largest hub.

This list covers company matches for carbon reduction nonprofits associated with Germany, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
90Companies
1,278Contacts tracked
679Verified emails
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The 25 largest carbon reduction nonprofits based in Germany

Ranked by team size
Top 25 of 90 company matches for carbon reduction nonprofits based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMunich, GermanyHQ recorded Nov 6, 2026501-1,000346 contacts →

Exact match

“ClimatePartner makes climate action valuable for every company at any stage of their journey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBerlin, GermanyHQ recorded Nov 6, 202611-5085 contacts →

Exact match

“atmosfair is a climate protection organisation with a focus on travel.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBerlin, GermanyHQ recorded Nov 6, 202611-5057 contacts →

Exact match

“Als Klimaschutzorganisation arbeiten wir für eine Welt, in der zukünftige Generationen ein gutes Leben führen können.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Klimaschutz ist die größte Herausforderung unserer Zeit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Nachhaltige Transformation für eine zukunftsfähige Wirtschaft Als spezialisierte Unternehmensberatung für Emissionshandel, CBAM, Treibhausgasbilanzierung, Energieeffizienz sowie…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCologne, GermanyHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“With Planted, we support companies holistically and individually in the implementation of their sustainability goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMunich, GermanyHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Turning Data into Value – Aus CO₂-Daten wird unternehmerischer Mehrwert GLOBAL CLIMATE ist Softwareanbieter und Nachhaltigkeitsberatung in einem.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMeldorf, GermanyHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“We are CarbonFreed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMunich, GermanyHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Volkswagen ClimatePartner is a joint venture built on the expertise and innovation of two partners who share a common goal: ambitious carbon reduction and the development of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFrankfurt, GermanyHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“right° provides transparency on the climate impact of economic activities – plain & simple in °C.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchTübingen, GermanyHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“KlimAktiv supports you in climate protection with strategies for climate neutrality by your own efforts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCologne, GermanyHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Wir pflanzen und schützen Wälder.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchStuttgart, GermanyHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“OPTENDA steht für OPTimize ENergy by DAta.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBerlin, GermanyHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“Hello better brighter future, hello world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBerlin, GermanyHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Wir sind eine gemeinnützige Klimaschutzorganisation aus Berlin.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPeißenberg, GermanyHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Zukunftswerk eG berät Unternehmen, Kommunen und NGOs zu den Themen Nachhaltigkeit und Klimaschutz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMunich, GermanyHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Protect the Planet engagiert sich täglich für den Schutz der Erde und den Erhalt einer lebenswerten Umwelt für heutige und nachfolgende Generationen als wichtigste soziale und…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchStuttgart, GermanyHQ recorded Nov 6, 20261-108 contacts →

Exact match

“KATE Umwelt & Entwicklung ist eine gemeinnützige Beratungs- und Bildungsorganisation aus Stuttgart.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBerlin, GermanyHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Klima.Metrix GmbH Klimatech-Unternehmen (Berlin, GER).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFrankfurt, GermanyHQ recorded Nov 6, 20261-105 contacts →

Exact match

“We provide premium carbon credits by developing community focused NBS projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCloppenburg, GermanyHQ recorded Nov 6, 202611-505 contacts →

Exact match

“AR Nord Energy GmbH prüft für Unternehmen den Anspruch auf attraktive Zuschüsse und Förderungen um dauerhaft die Energiekosten und CO2 Emissionen zu senken.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDarmstadt, GermanyHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Climate change, caused by the accumulation of greenhouse gases (GHGs) in the atmosphere, is seriously endangering human life, negatively impacting environment, human health and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFürth, GermanyHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Our mission is to speed up negative emissions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBerlin, GermanyHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Die Klima-Kollekte ist eine gemeinnützige Organisation, die Klimaschutz mit nachhaltiger Entwicklung verbindet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMittelbiberach, GermanyHQ recorded Nov 6, 20261-104 contacts →

Exact match

“At GreenSinnergy, we're committed to making the world a cleaner place.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 90 carbon reduction nonprofits based in Germany

See the full list, filter by size, metro and specialty, and access 679 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Carbon reduction nonprofits based in Germany at a glance

As of Nov 6, 2026
53.1%Verified-email coverage
14.2Average contacts per company
1-10Median size (employees)
21.1%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
61
11-50
25
51-200
3
501-1,000
1

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 90 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Germany whose business descriptions match “carbon reduction nonprofits” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 679 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “carbon reduction nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many carbon reduction nonprofits are there based in Germany?

RevenueBase identified 90 company matches for carbon reduction nonprofits associated with Germany as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Climatepartner tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most carbon reduction nonprofits?

Berlin leads with 19 company records, followed by Munich (10) and Hamburg (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 679 professional contacts with verified work emails tracked across these 90 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.