Company lists · Data refreshed September 2026

Top 25 Emission reduction consulting firms based in Germany

RevenueBase identified 682 emission reduction consulting firms headquartered in Germany as of September 2026 and tracks 4,682 professional contacts across them, including 2,128 with verified work emails. Berlin is the largest hub.

This list covers emission reduction consulting firms 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 28, 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 28, 2026 86% judged on-target in blind review
682Companies
4,682Contacts tracked
2,128Verified emails
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The 25 largest emission reduction consulting firms based in Germany

Ranked by team size
Top 25 of 682 emission reduction consulting firms based in Germany, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to emission reduction consulting firms: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceMünchen, GermanyHQ checked Sep 28, 2026501-1,000376 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceFrankfurt, GermanyHQ checked Sep 28, 202651-200147 contacts →

Indirect evidence

“Wir sind ein führender europäischer Energie- und Nachhaltigkeitsberater in der Immobilienwirtschaft.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceGreifenberg, GermanyHQ checked Sep 28, 202611-5085 contacts →

Indirect evidence

“Seit unterstützt die DFGE Unternehmen dabei, Nachhaltigkeit messbar und strategisch nutzbar zu machen.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceBad Vilbel, GermanyHQ checked Sep 28, 202651-20079 contacts →

Indirect evidence

“With 25 years of experience, First Climate is a leading global provider of carbon management and green energy services for hundreds of corporate and public sector clients.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceMünchen, GermanyHQ checked Sep 28, 202651-20072 contacts →

Indirect evidence

“VERSO ist Sustainability-Software-Pionier und Full-Service-Anbieter für die Nachhaltige Transformation im Mittelstand.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceBerlin, GermanyHQ checked Sep 28, 202651-20069 contacts →

Indirect evidence

“B.A.U.M.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceFreiburg Im Breisgau, GermanyHQ checked Sep 28, 202651-20063 contacts →

Indirect evidence

“Perspectives drives climate action through leading research and supporting our clients' environmental ambitions.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceBad Kreuznach, GermanyHQ checked Sep 28, 2026n/a61 contacts →

Indirect evidence

“SCC is now part of Ramboll, a global architecture, engineering and consultancy company, creating sustainable solutions across energy, real estate, transport, water, waste…”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceCologne, GermanyHQ checked Sep 28, 202611-5061 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceMünchen, GermanyHQ checked Sep 28, 202651-20059 contacts →

Indirect evidence

“Arqum stands for work safety, quality and environmental management.”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceBamberg, GermanyHQ checked Sep 28, 202651-20058 contacts →

Partial evidence

“Die Alpha IC ist ein inhabergeführtes Consultingbüro für das Real Estate Management.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceMannheim, GermanyHQ checked Sep 28, 202651-20057 contacts →

Indirect evidence

“Das BFE Institut für Energie und Umwelt GmbH ist ein Unternehmen der MVV Energie AG und zählt mit über Projekten und ca.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceHürth, GermanyHQ checked Sep 28, 202651-20057 contacts →

Indirect evidence

“Die Dienstleistungen der envistra GmbH zielen auf eine schnelle und langfristige Kostenreduktion und leisten einen wesentlichen Beitrag zu einer nachhaltigen…”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceFrankfurt, GermanyHQ checked Sep 28, 202651-20051 contacts →

Indirect evidence

“response is a multiple award-winning, international consultancy specializing in sustainability, ESG, and regenerative business.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceLeinfelden-Echterdingen, GermanyHQ checked Sep 28, 2026201-50051 contacts →

Indirect evidence

“thinkstep enables organizations worldwide to succeed sustainably.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceLudwigsburg, GermanyHQ checked Sep 28, 202651-20049 contacts →

Indirect evidence

“WOLFF & MÜLLER ENERGY GMBH ist Teil der traditionsreichen Unternehmensgruppe WOLFF & MÜLLER, einem mittelständischen Familienunternehmen mit Stammsitz in Stuttgart.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceHamburg, GermanyHQ checked Sep 28, 202611-5047 contacts →

Indirect evidence

“As a management consultancy we have been tackling global challenges in environmental and human rights issues for over 20 years.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceBerlin, GermanyHQ checked Sep 28, 202651-20046 contacts →

Partial evidence

“Since its founding 20 years ago, ÖKOTEC stands for intelligent solutions for the reduction of energy and resource consumption.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceKempten (allgäu), GermanyHQ checked Sep 28, 2026201-50045 contacts →

Indirect evidence

“ENERGIE IN VIELEN FACETTEN PRÄG berät seine Kunden in allen Energiefragen und deckt die gesamte Bandbreite des Energiebedarfs ab: von der Mobilität, über die Wärmeversorgung, bis…”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceMünchen, GermanyHQ checked Sep 28, 202651-20044 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
21Partial evidenceCologne, GermanyHQ checked Sep 28, 202611-5043 contacts →

Partial evidence

“Meo Carbon Solutions (MCS) is an independent consulting company experienced in sustainable and future-oriented solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceHanover, GermanyHQ checked Sep 28, 202651-20041 contacts →

Partial evidence

“CRATOS is more than a consulting firm.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceHamburg, GermanyHQ checked Sep 28, 202651-20041 contacts →

Indirect evidence

“Als Problemlöser und Beschleuniger für die Energiewende leisten wir unseren Beitrag als kreativer und kompetenter Partner.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceSommerhausen, GermanyHQ checked Sep 28, 202651-20038 contacts →

Partial evidence

“Company Overview Leadership & Sustainability delivers a broad and deep spectrum of Consulting, Empowerment, Sustainable Business Models and Software & Tools in the sustainability…”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceGelsenkirchen, GermanyHQ checked Sep 28, 202651-20036 contacts →

Partial evidence

“Since 1996 the EE ENERGY ENGINEERS GmbH provides consulting services for an innovative and climate-friendly future energy supply.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 682 emission reduction consulting firms based in Germany

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Emission reduction consulting firms based in Germany at a glance

As of Sep 28, 2026
45.5%Verified-email coverage
6.9Average contacts per company
1-10Median size (employees)
10.3%Largest-city concentration · Berlin
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
456
11-50
176
51-200
34
201-500
2
501-1,000
1
1,001-5,000
1
10001+
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 682 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 emission reduction consulting firms, 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 “emission reduction consulting firms”. 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 emission reduction consulting firms), 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 emission reduction consulting firms, 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, 2,128 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 28, 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.

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 emission reduction consulting firms, 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 emission reduction consulting firms are there based in Germany?

RevenueBase identified 682 emission reduction consulting firms 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?

Climatepartner, headquartered in Munchen, tops this list with the largest team on record.

Which city has the most emission reduction consulting firms?

Berlin leads with 70 headquartered companies, followed by Hamburg (55) and Munchen (25).

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 2,128 verified decision-maker contacts tracked across these 682 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 28, 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.