Company lists · Data refreshed September 2026
Top 25 Geological consulting services based in the Netherlands
RevenueBase identified 159 geological consulting services headquartered in the Netherlands as of September 2026 and tracks 1,705 professional contacts across them, including 660 with verified work emails. Amsterdam is the largest hub.
This list covers geological consulting services headquartered in the Netherlands, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest geological consulting services based in the Netherlands
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 199 contacts → | ||||
Indirect evidence “Welkom bij SOCOTEC Nederland!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 72 contacts → | ||||
Indirect evidence “Wiertsema & Partners is al ruim 46 jaar expert in het uitvoeren en leveren van geo- en milieutechnisch onderzoek, monitoring en advies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 60 contacts → | ||||
Partial evidence “PanTerra Geoconsultants is a leading geological service provider with over 35 years of worldwide industry experience.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 60 contacts → | ||||
Indirect evidence “Qterra begon in 2012 als de Bodemdesk van netbeheerder Liander.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 55 contacts → | ||||
Indirect evidence “Eco Reest is een ecologisch adviesbureau met bodem- en asbest expertise.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 46 contacts → | ||||
Indirect evidence “Deskundig advies op het gebied van: Geo Engineering & Omgevingsbeïnvloeding.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 46 contacts → | ||||
Indirect evidence “Ingenieursbureau Boorsma is een advies- en ingenieursbureau dat opdrachten uitvoert binnen de branches “bouw en civiel” en “milieu en geologie”.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 39 contacts → | ||||
Indirect evidence “Wij zijn Silt.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 36 contacts → | ||||
Indirect evidence “Een veilige omgeving om in te bouwen, wonen en werken.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 31 contacts → | ||||
Indirect evidence “T&A Survey is an experienced, independent and technologically advanced subsurface research company specialised in subsurface research, geothermal energy and mining.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 31 contacts → | ||||
Indirect evidence “The Periplus Group is a consultancy organization providing specialized personnel and knowledge in the field of hydrography and related disciplines such as geology, geophysics…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 31 contacts → | ||||
Indirect evidence “Sterk in maatwerk BKK Bodemadvies is een onafhankelijk adviesbureau dat zich richt op bodem en ecologisch advies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 28 contacts → | ||||
Indirect evidence “Hektec biedt praktische oplossingen op het gebied van geo- en funderingstechnieken.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 26 contacts → | ||||
Indirect evidence “wij leven geo’ - partner in advies, project en detachering - 2500 jaar Geo ervaring in huis - deskundig op elke locatie - inhoudelijk betrokken werkgever” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 25 contacts → | ||||
Indirect evidence “Adviesbureau in geotechniek en milieu Advisering en uitvoering van o.a- sonderingen- funderings- en bouwputadvies - milieukundig bodemonderzoek - bodemsanering -…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 22 contacts → | ||||
Indirect evidence “Kennis en ervaring als fundament voor kwaliteit." Middels expertise, klantgerichte service en jarenlange ervaring hebben wij een sterke naam opgebouwd m.b.t.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 21 contacts → | ||||
Indirect evidence “bbci Frijwijk bv is een gespecialiseerd bedrijf in het uitvoeren van bouwkundige en civieltechnische inspecties.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 20 contacts → | ||||
Indirect evidence “PROFILE Arthe Civil & Structure bv is an independent consultancy, founded in 2001, that operates around the world.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 17 contacts → | ||||
Partial evidence “We are an engineering consulting company, focused on delivering high quality technical advice and software in the field of Geodesy, Photogrammetry, Laser Scanning and deformation…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 17 contacts → | ||||
Indirect evidence “Duratherm is een zelfstandig onderdeel van Draaijer Grondboringen Beheer BV.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 16 contacts → | ||||
Indirect evidence “Advies en uitvoering van: Asbestinventarisatie Asbest in grondonderzoek Bodemenergiemetingen Bodemonderzoek Bodemsanering Geohydrologisch advies Grondwaterzuivering Partijkeuring…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 16 contacts → | ||||
Indirect evidence “Aeres Milieu is een ingenieursbureau voor onafhankelijk onderzoek en advies op het gebied van onder meer bodemonderzoek, archeologie, geohydrologie, akoestiek en ecologie.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 16 contacts → | ||||
Indirect evidence “I E info@geo2.nl | T +31 (0)346 76 9046 | GEO2 Engineering B.V.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 16 contacts → | ||||
Indirect evidence “Inco-Drilling provides Directional Drilling Services focused on applying fit for purpose technology and a competent team to achieve cost effective solutions for Geothermal, Oil &…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 15 contacts → | ||||
Partial evidence “Geobest is a young and enthusiastic consulting company dealing with soil mechanics and foundation engineering.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: geological consulting services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names geological consulting services.
- Partial evidence
- Its own public description names part of geological consulting services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name geological consulting services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 159 geological consulting services based in the Netherlands
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Geological consulting services based in the Netherlands at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 159 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among geological consulting services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the Netherlands whose own description of what they do matches “geological consulting services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names geological consulting services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among geological consulting services, and records with no verified work email. Companies headquartered outside Netherlands are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 660 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names geological consulting services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many geological consulting services are there based in the Netherlands?
RevenueBase identified 159 geological consulting services headquartered in the Netherlands as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Socotec Nederland, headquartered in Aw, tops this list with the largest team on record.
Which city has the most geological consulting services?
Amsterdam leads with 4 headquartered companies, followed by Alphen Aan Den Rijn (3) and Amersfoort (3).
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 660 verified decision-maker contacts tracked across these 159 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.
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