Company lists · Data refreshed October 2026

Top 25 Marine geotechnical contractors based in the Netherlands

Name: Marine geotechnical contractors based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 275 companies tracked

RevenueBase identified 275 company matches for marine geotechnical contractors associated with the Netherlands as of October 2026 and tracks 15,288 professional contacts across them, including 5,216 with verified work emails. Rotterdam is the largest hub.

This list covers company matches for marine geotechnical contractors associated with the Netherlands, 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 October 18, 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 Oct 18, 2026 How this list was built

275Companies

15,288Contacts tracked

5,216Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest marine geotechnical contractors based in the Netherlands

Ranked by team size

Top 25 of 275 company matches for marine geotechnical contractors based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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	VAN Oord	Exact match	3063 Nh, NetherlandsHQ recorded Oct 18, 2026	5,001-10,000	4,483 contacts →
	Exact match “Van Oord is a leading international marine contractor focusing on dredging, infrastructure and offshore energy projects.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2	Boskalis	Exact match	Papendrecht, NetherlandsHQ recorded Oct 18, 2026	10001+	3,503 contacts →
	Exact match “Boskalis is a leading global services provider operating in the dredging, maritime infrastructure and maritime services sectors.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3	Heerema Marine Contractors	Exact match	Leiden, NetherlandsHQ recorded Oct 18, 2026	1,001-5,000	2,792 contacts →
	Exact match “Heerema Marine Contractors is a world-leading marine contractor in the international offshore energy industry.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4	N-Sea Group	Exact match	Dordrecht, NetherlandsHQ recorded Oct 18, 2026	201-500	432 contacts →
	Exact match “N-Sea is an end-to-end subsea services provider.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5	TWD	Exact match	Rotterdam, NetherlandsHQ recorded Oct 18, 2026	201-500	339 contacts →
	Exact match “We create custom-designed structures and tools to help you perform your offshore or heavy civil installation projects safely and on time.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6	IQIP	Exact match	Sliedrecht, NetherlandsHQ recorded Oct 18, 2026	201-500	335 contacts →
	Exact match “IQIP provides fully integrated solutions for on and offshore foundation installation and decommissioning in the offshore wind, oil & gas, and coastal & civil markets.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7	Baggerbedrijf DE Boer B.V.	Exact match	Sliedrecht, NetherlandsHQ recorded Oct 18, 2026	201-500	177 contacts →
	Exact match “Baggerbedrijf De Boer - Dutch Dredging is a medium size dredging company, based in Sliedrecht in the Netherlands.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8	IJB Groep	Exact match	Lemmer, NetherlandsHQ recorded Oct 18, 2026	201-500	114 contacts →
	Exact match “Eén partij voor het totale funderingstraject van uw bouwconstructie?” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9	Seacontractors	Exact match	Flushing, NetherlandsHQ recorded Oct 18, 2026	51-200	110 contacts →
	Exact match “Seacontractors is the leading maritime service provider and anchor handling tug supplier (AHTS) worldwide, offering expert project support.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10	Gebr. DE Koning	Exact match	Papendrecht, NetherlandsHQ recorded Oct 18, 2026	51-200	105 contacts →
	Exact match “Gebr.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11	DEEP	Exact match	Amsterdam, NetherlandsHQ recorded Oct 18, 2026	51-200	98 contacts →
	Exact match “Deep is an innovative survey company founded in and ever since headquartered in Amsterdam, The Netherlands.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12	KCI Offshore Engineering	Exact match	Rotterdam, NetherlandsHQ recorded Oct 18, 2026	51-200	86 contacts →
	Exact match “KCI Offshore Engineering has been providing design, engineering, and consultancy services to the offshore industry for over 40 years.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	VAN Laar Maritime B.V	Exact match	Ijmuiden, NetherlandsHQ recorded Oct 18, 2026	11-50	85 contacts →
	Exact match “Van Laar Maritime owns and operates a growing fleet of 33 guard, chase- and (seismic) support vessels worldwide.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	VAN Stee Offshore	Exact match	Harlingen, NetherlandsHQ recorded Oct 18, 2026	51-200	75 contacts →
	Exact match “Van Stee Offshore is a company specialised in supporting offshore, Oil & Gas, dredging- and Renewable energy projects worldwide.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	Wiertsema & Partners B.V	Exact match	Tolbert, NetherlandsHQ recorded Oct 18, 2026	51-200	73 contacts →
	Exact match “Wiertsema & Partners is al ruim 46 jaar expert in het uitvoeren en leveren van geo- en milieutechnisch onderzoek, monitoring en advies.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16	Qterra	Exact match	Arnhem, NetherlandsHQ recorded Oct 18, 2026	51-200	64 contacts →
	Exact match “Qterra begon in 2012 als de Bodemdesk van netbeheerder Liander.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17	Seatools	Exact match	Numansdorp, NetherlandsHQ recorded Oct 18, 2026	51-200	56 contacts →
	Exact match “Seatools helps its clients in the dredging and offshore energy business achieve higher workability and higher operational efficiency, both key to lowering cost and environmental…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18	Grondslag B.V	Exact match	Kamerik, NetherlandsHQ recorded Oct 18, 2026	51-200	51 contacts →
	Exact match “Adviesbureau voor bodem, wegenbouw en veiligheid.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19	VAN Tunen BV	Exact match	Beverwijk, NetherlandsHQ recorded Oct 18, 2026	51-200	48 contacts →
	Exact match “Heavy) Eartmoving equipment and support for your project!” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20	VAN DER Straaten Aannemingsmaatschappij B.V	Exact match	Hansweert, NetherlandsHQ recorded Oct 18, 2026	51-200	42 contacts →
	Exact match “Van der Straaten staat bekend als een ondernemende aannemer met meer dan honderd jaar ervaring.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21	Crux Engineering BV	Exact match	Amsterdam, NetherlandsHQ recorded Oct 18, 2026	51-200	41 contacts →
	Exact match “Deskundig advies op het gebied van: Geo Engineering & Omgevingsbeïnvloeding.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22	Braveheart Marine B.V	Exact match	Urk, NetherlandsHQ recorded Oct 18, 2026	11-50	40 contacts →
	Exact match “Braveheart Marine is a premier provider of hydrographic survey, inshore, nearshore and offshore support, and crew tendering services.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23	ROG Ship Repair & Rotterdam Offshore Group	Exact match	Rotterdam, NetherlandsHQ recorded Oct 18, 2026	11-50	39 contacts →
	Exact match “ROG, your partner for Dockside and Onsite services!” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24	SILT	Exact match	Middelbeers, NetherlandsHQ recorded Oct 18, 2026	51-200	38 contacts →
	Exact match “Wij zijn Silt.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25	Offshore Independents	Exact match	Rotterdam, NetherlandsHQ recorded Oct 18, 2026	11-50	34 contacts →
	Exact match “Offshore Independents is a leading offshore engineering and consultancy firm.” Recorded in the RevenueBase company graph · Oct 18, 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 “marine geotechnical contractors”. 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 25 of 275 marine geotechnical contractors based in the Netherlands

See the full list, filter by size, metro and specialty, and access 5,216 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Marine geotechnical contractors based in the Netherlands at a glance

As of Oct 18, 2026

34.1%Verified-email coverage

55.6Average contacts per company

11-50Median size (employees)

9.8%Largest-city concentration · Rotterdam

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

119

11-50

101

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 275 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 the Netherlands whose business descriptions match “marine geotechnical contractors” 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 5,216 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 October 18, 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.

Marine geotechnical contractors by metro

Marine geotechnical contractors in Rotterdam27

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 “marine geotechnical contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marine geotechnical contractors are there based in the Netherlands?

RevenueBase identified 275 company matches for marine geotechnical contractors associated with the Netherlands as of October 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?

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

Which city has the most marine geotechnical contractors?

Rotterdam leads with 27 company records, followed by Amsterdam (9) and Dordrecht (5).

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 5,216 professional contacts with verified work emails tracked across these 275 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 October 18, 2026.

Ready to reach these companies? Verified emails and direct dials for all 275 marine geotechnical contractors based in the Netherlands. Start with a free account, no credit card.

Download this list →

Related lists

Marine geotechnical contractors by geography

Browse the directory

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.