Company lists · Data verified August 2026

Top 25 Environmental consultancy firms based in Belgium

Name: Environmental consultancy firms based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 276 companies tracked

There are 276 environmental consultancy firms headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 3,525 professional contacts across them, including 1,753 with verified work emails and 47 with mobile numbers. Brussels is the largest hub.

This list covers environmental consultancy firms headquartered in Belgium, 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.

276Companies

3,525Contacts tracked

1,753Verified emails

47Mobile numbers

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The 25 largest environmental consultancy firms based in Belgium

Ranked by team size

Top 25 of 276 environmental consultancy firms based in Belgium, 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	SBB Accountants & Advisors	Leuven	501-1,000	532	343
2	Antea Group Belgium	Namur	201-500	220	145
3	IMDC	Namur	51-200	130	85
4	AESA	Brussels	51-200	127	11
5	Trevi NV	Grobbendonk	51-200	101	82
6	Agriconsulting	Brussels	51-200	87	19
7	RSK Benelux BV	Westerlo	51-200	86	68
8	Sertius Environmental And Safety Services	Louvain-La-Neuve Brabant	51-200	82	62
9	Tauw Belgium	Leuven Wijgmaal	51-200	80	50
10	Abo-Group Environment	Gent	501-1,000	65	20
11	VVA Group	Brussels	51-200	64	16
12	Emelia	Roeselare	51-200	52	29
13	Nexio Projects	Zaventem	11-50	50	40
14	Aries Consultants	Bierges	11-50	50	39
15	Envirosoil NV	Gent	51-200	44	27
16	Universoil	Charleroi	11-50	41	28
17	Abesco	Glabbeek	11-50	39	23
18	Sher Ingénieurs-Conseils	Vedrin	11-50	38	14
19	Profex Part Of UEG	Wetteren	51-200	36	21
20	Consultes	Antwerp	11-50	34	29
21	Geolys	n/a	11-50	32	26
22	RDC Environment	Bruxelles	11-50	31	24
23	DR EA M	n/a	11-50	28	17
24	LDR Advocaten In Omgevingsrecht	Oostkamp	11-50	27	19
25	ORA Group	Wevelgem	11-50	26	20

Showing 25 of 276 environmental consultancy firms based in Belgium

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Environmental consultancy firms based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

BrusselsLargest hub · 28 HQs

47Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

184

11-50

51-200

201-500

501-1,000

Environmental consultancy firms by metro

Metro	Companies
Environmental consultancy firms in Brussels	28
Environmental consultancy firms in Gent	9
Environmental consultancy firms in Antwerp	8
Environmental consultancy firms in Bruxelles	7
Environmental consultancy firms in Liege	6
Environmental consultancy firms in Antwerpen	5
Environmental consultancy firms in Namur	5

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 consultancy firms”, with match quality audited by blind human judging, and headquartered in Belgium.
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 consultancy firms are there based in Belgium?

There are 276 environmental consultancy firms headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

SBB Accountants & Advisors, headquartered in Leuven, tops this list with the largest team on record.

Which city has the most environmental consultancy firms?

Brussels leads with 28 headquartered companies, followed by Gent (9) and Antwerp (8).

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 1,753 verified decision-maker contacts tracked across these 276 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.