Company lists · Data verified August 2026

Top 25 Ecological consulting firms based in Germany

Name: Ecological consulting firms based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 392 companies tracked

There are 392 ecological consulting firms headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 2,537 professional contacts across them, including 911 with verified work emails and 30 with mobile numbers. Berlin is the largest hub.

This list covers ecological consulting firms headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

392Companies

2,537Contacts tracked

911Verified emails

30Mobile numbers

Unlock all 392 companies Free account · no credit card · 2 minutes

The 25 largest ecological consulting firms based in Germany

Ranked by team size

Top 25 of 392 ecological consulting firms based in Germany, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Björnsen Beratende Ingenieure	Koblenz	201-500	108	64
2	Mailänder Consult Gmbh	Karlsruhe	201-500	79	55
3	Tauw Deutschland	Munchen	51-200	76	37
4	Baurconsult Architekten Ingenieure	Teltow	201-500	73	35
5	B.A.U.M. Consult Gmbh	Hamburg	51-200	70	41
6	Intep Integrale Planung Gmbh	Berlin	51-200	65	35
7	TNL Umwelt	Hungen	51-200	64	44
8	SCC Scientific Consulting Company, Part Of Ramboll	Bad Kreuznach	n/a	63	40
9	Bioconsult SH	Husum	51-200	46	26
10	GFN Gesellschaft FÜR Freilandökologie UND Naturschutzplanung MBH	Hamburg	201-500	27	14
11	Klinger UND Partner Gmbh	Urbach	51-200	22	11
12	The Pauly Group	Neu-Eichenberg	51-200	21	14
13	Sustevo	Eschborn	11-50	21	14
14	IBL Umweltplanung Gmbh	Oldenburg	51-200	21	11
15	Ingenieurgesellschaft Heidt Peters MBH	Hannover	51-200	19	11
16	Aqua Consult Ingenieur Gmbh	Hannover	51-200	19	9
17	AMPHI	Neu Darchau	11-50	17	1
18	Ergo Umweltinstitut Gmbh	Erfurt	51-200	15	10
19	CMC Sustainability Gmbh	Stuttgart	11-50	14	10
20	Ifuplan	Munchen	11-50	14	9
21	Joswig Ingenieure Gmbh	Karlsruhe	11-50	14	7
22	Höppner Management & Consultant Gmbh	Hannover	11-50	14	7
23	ARU	n/a	11-50	14	6
24	Lcee Life Cycle Engineering Experts Gmbh	Darmstadt	11-50	13	9
25	Prof. Burmeier Ingenieurgesellschaft MBH	Recklinghausen	51-200	12	8

Showing 25 of 392 ecological consulting firms based in Germany

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 911 reachable decision-makers.

Free account · no credit card

See all 392 companies

Ecological consulting firms based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 30 HQs

30Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

201

11-50

130

51-200

201-500

10001+

Ecological consulting firms by metro

Metro	Companies
Ecological consulting firms in Berlin	30
Ecological consulting firms in Hamburg	22
Ecological consulting firms in Stuttgart	11
Ecological consulting firms in Munchen	10
Ecological consulting firms in Aachen	7
Ecological consulting firms in Dusseldorf	7
Ecological consulting firms in Hannover	6

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “ecological consulting firms”, with match quality audited by blind human judging, and headquartered in Germany.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many ecological consulting firms are there based in Germany?

There are 392 ecological consulting firms headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Björnsen Beratende Ingenieure, headquartered in Koblenz, tops this list with the largest team on record.

Which city has the most ecological consulting firms?

Berlin leads with 30 headquartered companies, followed by Hamburg (22) and Stuttgart (11).

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 911 verified decision-maker contacts tracked across these 392 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 392 ecological consulting firms based in Germany. Start with a free account, no credit card.

Get the full list

Related lists

Ecological consulting firms by geography

Browse the directory

Browse: Companies home · All Germany lists · All Ecological consulting firms lists · New lists

About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.