Company lists · Data refreshed September 2026

Top 25 Subsurface technical consulting firms based in Belgium

RevenueBase identified 50 company matches for subsurface technical consulting firms associated with Belgium as of September 2026 and tracks 451 professional contacts across them, including 259 with verified work emails. Brussels is the largest hub.

This list covers company matches for subsurface technical consulting 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 29, 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 29, 2026 How this list was built
50Companies
451Contacts tracked
259Verified emails
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The 25 largest subsurface technical consulting firms based in Belgium

Ranked by team size
Top 25 of 50 company matches for subsurface technical consulting firms based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchOostkamp, BelgiumHQ recorded Sep 29, 202651-20044 contacts →

Exact match

“Envirosoil | Grondige expertise in milieuhygiënisch bodemonderzoek & milieuadvies Envirosoil is een gespecialiseerd adviesbureau in bodemonderzoek en bodemsanering, met meer dan…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchZaventem, BelgiumHQ recorded Sep 29, 202651-20036 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchGanshoren, BelgiumHQ recorded Sep 29, 202611-5034 contacts →

Exact match

“Founded in 1971, Geosonda is one of the main pioneers in soil mechanics in Belgium.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchSint-eloois-winkel, BelgiumHQ recorded Sep 29, 202651-20033 contacts →

Exact match

“Al sinds 1973 bouwt Group Verbeke aan een intussen indrukwekkende reputatie als grondmechanisch bureau en erkend bodemsaneringsdeskundige Type I.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchKontich, BelgiumHQ recorded Sep 29, 202611-5029 contacts →

Exact match

“AGT-Advanced Groundwater Techniques specializes in applied groundwater techniques.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchZandhoven, BelgiumHQ recorded Sep 29, 202611-5018 contacts →

Exact match

“Smeyers is een gespecialiseerd onderaannemingsbedrijf actief in de bouwsector.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchVisé, BelgiumHQ recorded Sep 29, 20261-109 contacts →

Exact match

“Since its founding in Aquaconseil has matured into a professional and strictly independent consultant.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchLier, BelgiumHQ recorded Sep 29, 20261-109 contacts →

Exact match

“BODEMONDERZOEKEN * Oriënterend bodemonderzoek * Beschrijvend bodemonderzoek * Saneringsprojecten * Begeleiding bij saneringen * Grondverzet * Historisch onderzoek * Verkennend…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchEke-nazareth, BelgiumHQ recorded Sep 29, 202611-509 contacts →

Exact match

“Geolab werd opgericht in 1975.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchOttignies, BelgiumHQ recorded Sep 29, 20261-109 contacts →

Exact match

“GeoIntel’s purpose is to transform data into knowledge.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchBruges, BelgiumHQ recorded Sep 29, 202611-508 contacts →

Exact match

“SEASOILS is a Belgian based professional engineering services firm, specialising in the fields of light Geotechnics, Environment and hydro surveys.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchNamur, BelgiumHQ recorded Sep 29, 20261-107 contacts →

Exact match

“AQUALE is an engineering company specialised in environmental protection, focused on 3D numerical modelling: surface and underground flow modelling, contaminant and Heat transport…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchGeel, BelgiumHQ recorded Sep 29, 202611-506 contacts →

Exact match

“Studiebureau Forté is een studiebureau voor de bouw gespecialiseerd in stabiliteitsstudies en studies gebouwtechnieken.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchOugrée, BelgiumHQ recorded Sep 29, 20261-106 contacts →

Exact match

“ARTESIA was founded by 4 geological engineers passionated about hydrogeology, applied to sensitive and complex contexts.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchTienen, BelgiumHQ recorded Sep 29, 202611-506 contacts →

Exact match

“Rimeco Milieu is een jong, dynamisch en onafhankelijk adviesbureau met reeds meer dan 10 jaar ervaring in bodemonderzoeken en aanverwante diensten.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchCiney, BelgiumHQ recorded Sep 29, 20261-106 contacts →

Exact match

“Depuis 20 ans, Gefotech fournit des services divers pour les secteurs de l'environnement et de la construction.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchAntwerp, BelgiumHQ recorded Sep 29, 202611-504 contacts →

Exact match

“Ingenieursbureau bouwkunde, civiele techniek en geotechniek met meer dan 40 jaar ervaring in de uitvoering van industriële projecten, infrastructuurwerken met activiteiten…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchGhent, BelgiumHQ recorded Sep 29, 20261-104 contacts →

Exact match

“Stabiliteit gaat bij Studiebureau Riessauw hand in hand met Flexibiliteit, Kwaliteit en economisch ontwerp.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchBrussels, BelgiumHQ recorded Sep 29, 20261-104 contacts →

Exact match

“EnISSA specialises in collecting High-Resolution geodata.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchKortrijk, BelgiumHQ recorded Sep 29, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchMettet, BelgiumHQ recorded Sep 29, 202611-504 contacts →

Exact match

“Bureau d'études en stabilité, Essais de sol, Tests de perméabilité, Essais à la plaque, Pose de piézomètre, CertiBEau”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchLokeren, BelgiumHQ recorded Sep 29, 202611-504 contacts →

Exact match

“Studiebureel Sondex is een vaste waarde wanneer het aankomt op geotechnisch onderzoek.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchHoeilaart, BelgiumHQ recorded Sep 29, 202611-503 contacts →

Exact match

“Bij Advison by Studibo helpen we bouwheren, architecten en ingenieurs om de ondergrond van hun project echt te begrijpen.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchBrussel - Bruxelles, BelgiumHQ recorded Sep 29, 20261-103 contacts →

Exact match

“Geotechnica is een onafhankelijk bedrijf, gespecialiseerd in grondonderzoek en funderingsadvies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchNivelles, BelgiumHQ recorded Sep 29, 20261-102 contacts →

Exact match

“Bureau d'étude d'ingénierie spécialisé en hydrogéologie et géothermie, nous vous accompagnons tout au long de votre projet Ingénierie conseil | assistance maitrise d'ouvrage |…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 50 subsurface technical consulting firms based in Belgium

See the full list, filter by size, metro and specialty, and access 259 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Subsurface technical consulting firms based in Belgium at a glance

As of Sep 29, 2026
57.4%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
10.0%Largest-city concentration · Brussels
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
34
11-50
11
51-200
5

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 50 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 “subsurface technical consulting 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 259 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 29, 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 “subsurface technical consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many subsurface technical consulting firms are there based in Belgium?

RevenueBase identified 50 company matches for subsurface technical consulting 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?

Envirosoil NV tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most subsurface technical consulting firms?

Brussels leads with 5 company records, followed by Namur (3) and Ghent (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 259 professional contacts with verified work emails tracked across these 50 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 29, 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.