Company lists · Data refreshed September 2026

Top 20 Environmental site assessment firms based in Belgium

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

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 33 companies tracked

RevenueBase identified 33 company matches for environmental site assessment firms associated with Belgium as of September 2026 and tracks 353 professional contacts across them, including 188 with verified work emails. Ghent is the largest hub.

This list covers company matches for environmental site assessment firms associated with Belgium, 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 September 19, 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 Sep 19, 2026 How this list was built

33Companies

353Contacts tracked

188Verified emails

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The 20 largest environmental site assessment firms based in Belgium

Ranked by team size

Top 20 of 33 company matches for environmental site assessment firms based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Sertius Environmental And Safety Services	Exact match	Wijgmaal, BelgiumHQ recorded Sep 19, 2026	51-200	82 contacts →
	Exact match “Sertius and its multidisciplinary team offer their services in the fields of environment and security- Legal advices and administrative support: Practical advices regarding…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Tauw Belgium	Exact match	Leuven (wijgmaal), BelgiumHQ recorded Sep 19, 2026	51-200	80 contacts →
	Exact match “We shape a vital living environment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Abo-Group Environment	Exact match	Ghent, BelgiumHQ recorded Sep 19, 2026	501-1,000	66 contacts →
	Exact match “ABO-Group Environment has developed into a cluster of integrated environmental companies specialized in testing and engineering in various sectors such as soil, environment…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	EFI Global Belgium Abesim	Exact match	Wavre, BelgiumHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match “EFI Global is your expert in soil (risk) management.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Advista	Exact match	Louvain-la-neuve, BelgiumHQ recorded Sep 19, 2026	1-10	13 contacts →
	Exact match “ADVISTA est un bureau d’études et de conseils en environnement et développement durable.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Bk-Ecosys	Exact match	Hasselt, BelgiumHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “BK-Ecosys is uw partner in de immer veranderende milieu- en ingenieursbranche.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Gcm-A	Exact match	Lier, BelgiumHQ recorded Sep 19, 2026	1-10	9 contacts →
	Exact match “BODEMONDERZOEKEN * Oriënterend bodemonderzoek * Beschrijvend bodemonderzoek * Saneringsprojecten * Begeleiding bij saneringen * Grondverzet * Historisch onderzoek * Verkennend…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Wascos Sprl	Exact match	Ecaussinnes, BelgiumHQ recorded Sep 19, 2026	1-10	7 contacts →
	Exact match “Wascos has been offering high quality services of consulting engineering for 20 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Sol-Ex Sprl, Expertise & Conseil Environnemental	Exact match	Gembloux, BelgiumHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “Sol-Ex est un bureau d’expertise et de conseil environnemental.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	SBS Environnement Sprl	Exact match	Chaudfontaine, BelgiumHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “Votre partenaire dans la gestion de votre environnement SBS Environnement : plus qu'un bureau d'études, LE partenaire dans la gestion de votre environnement.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Bureau DW Bvba	Exact match	Geel, BelgiumHQ recorded Sep 19, 2026	1-10	5 contacts →
	Exact match “Bureau DW bvba is een onafhankelijk ingenieursbureau, gespecialiseerd in milieu- en omgevingsstudies, dat in 2016 werd opgericht door de bio-ingenieurs Jef Dierckx en Rob Wuyts.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Terracorrect	Exact match	Ooigem, BelgiumHQ recorded Sep 19, 2026	1-10	4 contacts →
	Exact match “TERRACORRECT, ecologisch bewust omgaan met bodemsaneringen, slibstabilisatie, calamiteitbeheersing, asbest.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Keurdesk	Exact match	Ghent, BelgiumHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “EPC attest en asbestinventaris voor particulieren en immobiliën” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Santerra NV	Exact match	Boortmeerbeek, BelgiumHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “Grondverontreinigingen kunnen, net als de terreinen, van allerlei aard zijn.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Ives Bvba, Ingenieursbureau Voor Veiligheid, Energie & Stabiliteit	Exact match	Zingem, BelgiumHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “o Stabiliteitsstudies o EPB- en EPC- verslaggeving o Veiligheidscoördinatie o Ventilatieverslaggeving o Luchtdichtheidsmetingen / blowerdoortests o Keuring privé riolering o…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	EFI Global Belgium Former Artemis Milieu BV	Exact match	Ouwegem, BelgiumHQ recorded Sep 19, 2026	11-50	2 contacts →
	Exact match “Artemis milieu BVBA is een milieuadviesbureau dat gespecialiseerd is in het uitvoeren van bodemonderzoeken en opstellen van technische verslagen in het kader van het…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Sm&c	Exact match	Haacht, BelgiumHQ recorded Sep 19, 2026	1-10	2 contacts →
	Exact match “SM & C offers environmental and property assessment services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Recosol Bureau D'étude Spécialisé EN Environnement	Exact match	Brussels, BelgiumHQ recorded Sep 19, 2026	1-10	2 contacts →
	Exact match “RECOsol est un bureau d'étude spécialisé dans les problématiques environnementales telles que les pollutions de sol et de l'eau souterraine, les tests d'infiltration, la gestion…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	BE Asbestos BV	Exact match	Antwerp, BelgiumHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “BE Asbestos BV is een gecertificeerd adviesbureau welke gespecialiseerd is in asbestinventaris, project -en sloopmanagement en onderzoek naar gevaarlijke stoffen.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	A-Tome	Exact match	Émines, BelgiumHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “a-tome est un bureau de consultance et d'expertise en matière d'évaluation environnementale de projets immobiliers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “environmental site assessment firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 20 of 33 environmental site assessment firms based in Belgium

See the full list, filter by size, metro and specialty, and access 188 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental site assessment firms based in Belgium at a glance

As of Sep 19, 2026

53.3%Verified-email coverage

10.7Average contacts per company

1-10Median size (employees)

6.1%Largest-city concentration · Ghent

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 33 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 Belgium whose business descriptions match “environmental site assessment firms” 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 188 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 September 19, 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 “environmental site assessment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental site assessment firms are there based in Belgium?

RevenueBase identified 33 company matches for environmental site assessment firms associated with Belgium as of September 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?

Sertius Environmental And Safety Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most environmental site assessment firms?

Ghent leads with 2 company records, followed by Hasselt (2) and Wavre (2).

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 188 professional contacts with verified work emails tracked across these 33 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 September 19, 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.