Company lists · Data verified August 2026

Top 25 Environmental consulting firms based in Germany

Name: Environmental 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 812 companies tracked

There are 812 environmental consulting firms headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 6,779 professional contacts across them, including 2,465 with verified work emails and 82 with mobile numbers. Berlin is the largest hub.

This list covers environmental 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.

812Companies

6,779Contacts tracked

2,465Verified emails

82Mobile numbers

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The 25 largest environmental consulting firms based in Germany

Ranked by team size

Top 25 of 812 environmental 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	CSD Engineers	Berlin	1,001-5,000	654	315
2	GKW Consult	Mannheim	201-500	288	83
3	HPC AG	Harburg Schwaben	501-1,000	257	153
4	Björnsen Beratende Ingenieure	Koblenz	201-500	108	64
5	Dr. Spang Ingenieurgesellschaft	Witten	201-500	103	49
6	Alfa Energy An Edison Energy Company	n/a	201-500	89	50
7	Mull UND Partner Ingenieurgesellschaft MBH	Hamburg	201-500	83	3
8	Mailänder Consult Gmbh	Karlsruhe	201-500	79	55
9	Tauw Deutschland	Munchen	51-200	76	37
10	Baurconsult Architekten Ingenieure	Teltow	201-500	73	35
11	B.A.U.M. Consult Gmbh	Hamburg	51-200	70	41
12	Intep Integrale Planung Gmbh	Berlin	51-200	65	35
13	TNL Umwelt	Hungen	51-200	64	44
14	Sehlhoff Gmbh	Vilsbiburg	201-500	62	19
15	ARQUM	Stuttgart	51-200	59	34
16	IFEU	Berlin	51-200	54	29
17	Lindschulte Baden-Baden	n/a	51-200	49	27
18	Geo-Net Umweltconsulting Gmbh	Hannover	51-200	47	34
19	Bioconsult SH	Husum	51-200	46	26
20	NPS Bauprojektmanagement Gmbh	Ulm	51-200	46	24
21	Weyer Group	Quickborn	51-200	44	25
22	M&p Group	Bad Wiessee	501-1,000	44	18
23	IGB Ingenieurgesellschaften	Kiel	51-200	38	25
24	Bauart	Munster	51-200	33	21
25	R & H Umwelt Gmbh	Brachttal	51-200	33	16

Showing 25 of 812 environmental consulting firms based in Germany

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Environmental consulting firms based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 61 HQs

82Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

404

11-50

265

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Environmental consulting firms by metro

Metro	Companies
Environmental consulting firms in Berlin	61
Environmental consulting firms in Hamburg	23
Environmental consulting firms in Munchen	17
Environmental consulting firms in Stuttgart	15
Environmental consulting firms in Munich	12
Environmental consulting firms in Aachen	11
Environmental consulting firms in Dresden	11

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 “environmental 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; 0 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 environmental consulting firms are there based in Germany?

There are 812 environmental consulting firms headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most environmental consulting firms?

Berlin leads with 61 headquartered companies, followed by Hamburg (23) and Munchen (17).

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 2,465 verified decision-maker contacts tracked across these 812 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.

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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.