Company lists · Data refreshed September 2026

Top 25 Offshore decommissioning contractors based in the Netherlands

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 58 companies tracked

RevenueBase identified 58 offshore decommissioning contractors headquartered in the Netherlands as of September 2026 and tracks 15,062 professional contacts across them, including 4,894 with verified work emails. Rotterdam is the largest hub.

This list covers offshore decommissioning contractors 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 17, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

58Companies

15,062Contacts tracked

4,894Verified emails

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The 25 largest offshore decommissioning contractors based in the Netherlands

Ranked by team size

Top 25 of 58 offshore decommissioning contractors based in the Netherlands, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to offshore decommissioning contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SBM Offshore	Partial evidence	Amsterdam, NetherlandsHQ checked Sep 17, 2026	5,001-10,000	8,478 contacts →
	Partial evidence “SBM Offshore is the world’s deepwater ocean-infrastructure expert.” Source: RevenueBase Database · checked Sep 17, 2026
2	Heerema Marine Contractors	Strong evidence	Leiden, NetherlandsHQ checked Sep 17, 2026	1,001-5,000	2,643 contacts →
	Strong evidence “Heerema Marine Contractors is a world-leading marine contractor in the international offshore energy industry.” Source: RevenueBase Database · checked Sep 17, 2026
3	Dixstone	Indirect evidence	Hoofddorp, NetherlandsHQ checked Sep 17, 2026	1,001-5,000	546 contacts →
	Indirect evidence “Headquartered in Hoofddorp, the Netherlands, Dixstone is an affiliate of the Perenco Group, specialized in integrated solutions for the industry.” Source: RevenueBase Database · checked Sep 17, 2026
4	N-Sea Group	Indirect evidence	Dordrecht, NetherlandsHQ checked Sep 17, 2026	201-500	364 contacts →
	Indirect evidence “N-Sea is an end-to-end subsea services provider.” Source: RevenueBase Database · checked Sep 17, 2026
5	DCN Diving	Indirect evidence	Bergen Op Zoom, NetherlandsHQ checked Sep 17, 2026	201-500	344 contacts →
	Indirect evidence “Beginning life in 1957 as the Vriens Diving Company, DCN has steadily grown in its niche market to become a significant global provider of engineered subsea solutions to the…” Source: RevenueBase Database · checked Sep 17, 2026
6	Seafox	Partial evidence	Hoofddorp, NetherlandsHQ checked Sep 17, 2026	1,001-5,000	313 contacts →
	Partial evidence “Seafox is a leading global offshore jack-up company, providing services to support the oil & gas and renewable industry.” Source: RevenueBase Database · checked Sep 17, 2026
7	Petrodec	Strong evidence	Spicalaan 13 2132 Jg Hoofddorp the Netherlands, NetherlandsHQ checked Sep 17, 2026	51-200	168 contacts →
	Strong evidence “Petrodec is a responsible offshore contractor, ready to deliver safe, efficient and innovative decommissioning or re-use solutions.” Source: RevenueBase Database · checked Sep 17, 2026
8	Bluestream, An OEG Company	Indirect evidence	Den Helder, NetherlandsHQ checked Sep 17, 2026	51-200	160 contacts →
	Indirect evidence “Bluestream is now part of OEG's subsea service division.” Source: RevenueBase Database · checked Sep 17, 2026
9	KOOLE	Indirect evidence	Vijfhuizen, NetherlandsHQ checked Sep 17, 2026	51-200	134 contacts →
	Indirect evidence “KOOLE is an international industrial and maritime service- and solution provider, specialized in industrial demolition, remediation, wreck removal and maritime construction.” Source: RevenueBase Database · checked Sep 17, 2026
10	KCI Offshore Engineering	Partial evidence	Rotterdam, NetherlandsHQ checked Sep 17, 2026	51-200	78 contacts →
	Partial evidence “KCI Offshore Engineering has been providing design, engineering, and consultancy services to the offshore industry for over 40 years.” Source: RevenueBase Database · checked Sep 17, 2026
11	Multimetaal	Partial evidence	Den Helder, NetherlandsHQ checked Sep 17, 2026	51-200	57 contacts →
	Partial evidence “History Multimetaal was established in 1973 to provide construction design, prefabrication, in-house testing and certification, offshore support services to the oil and gas…” Source: RevenueBase Database · checked Sep 17, 2026
12	Seatools	Partial evidence	Numansdorp, NetherlandsHQ checked Sep 17, 2026	51-200	56 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
13	Swift Drilling B.V	Indirect evidence	Oosterhout, NetherlandsHQ checked Sep 17, 2026	51-200	54 contacts →
	Indirect evidence “SWIFT DRILLING: HIGH VALUE DRILLING, WORKOVER + P&A SOLUTIONS Within Swift Drilling we strive to have the best performance in safety and efficiency in good cooperation with the…” Source: RevenueBase Database · checked Sep 17, 2026
14	OOS Energy	Indirect evidence	Goes, NetherlandsHQ checked Sep 17, 2026	201-500	49 contacts →
	Indirect evidence “OOS Energy is founded in 2017 to provide Drilling and Plugging & Abandonment services to the oil & gas industry.” Source: RevenueBase Database · checked Sep 17, 2026
15	ROG Ship Repair & Rotterdam Offshore Group	Indirect evidence	Rotterdam, NetherlandsHQ checked Sep 17, 2026	11-50	37 contacts →
	Indirect evidence “ROG, your partner for Dockside and Onsite services!” Source: RevenueBase Database · checked Sep 17, 2026
16	DUC Marine Group	Partial evidence	Urk, NetherlandsHQ checked Sep 17, 2026	11-50	35 contacts →
	Partial evidence “GLOBAL COMMERCIAL DIVING, ROV, SUBSEA MARINE AND OFFSHORE CONSTRUCTION SERVICES DUC Marine Group offers services to the Offshore Construction, Renewables, Oil and Gas Construction…” Source: RevenueBase Database · checked Sep 17, 2026
17	Arkoil Technologies Nederland	Indirect evidence	Rotterdam, NetherlandsHQ checked Sep 17, 2026	201-500	32 contacts →
	Indirect evidence “ARKOIL Technologies Nederland B.V.” Source: RevenueBase Database · checked Sep 17, 2026
18	SPT Offshore	Strong evidence	Woerden, NetherlandsHQ checked Sep 17, 2026	11-50	30 contacts →
	Strong evidence “SPT Offshore, a DEME Offshore subsidiary, is the leading offshore contractor for suction pile anchors and foundations.” Source: RevenueBase Database · checked Sep 17, 2026
19	Ardent	Partial evidence	Ijmuiden, NetherlandsHQ checked Sep 17, 2026	51-200	28 contacts →
	Partial evidence “We are Ardent, a leading marine and offshore services company, delivering effective and innovative solutions.” Source: RevenueBase Database · checked Sep 17, 2026
20	MSO Group	Indirect evidence	Rotterdam, NetherlandsHQ checked Sep 17, 2026	201-500	27 contacts →
	Indirect evidence “MSO Group is een landelijk opererende groep van bedrijven actief in civiele, industriële en maritieme sector.” Source: RevenueBase Database · checked Sep 17, 2026
21	Marinemasters	Strong evidence	Zuid-beijerland, NetherlandsHQ checked Sep 17, 2026	11-50	17 contacts →
	Strong evidence “Marine Masters act as contractors and consultants for • Underwriters, Claims Handlers and Brokers • Shipowners and Managers • Offshore Energy industry We offer consultancy for…” Source: RevenueBase Database · checked Sep 17, 2026
22	Maritime Construction Services BV	Indirect evidence	Amsterdam, NetherlandsHQ checked Sep 17, 2026	51-200	15 contacts →
	Indirect evidence “At MCS we are an unique organisation dedicated to supporting our clients and ready to answer any questions you may have.” Source: RevenueBase Database · checked Sep 17, 2026
23	C-Ventus Offshore Windfarm Services BV	Strong evidence	Ijmuiden, NetherlandsHQ checked Sep 17, 2026	11-50	13 contacts →
	Strong evidence “Recognizing the demand for a dedicated service provider with specialist knowledge in offshore windfarm installation, Balance of Plant (BoP) maintenance and decommissioning…” Source: RevenueBase Database · checked Sep 17, 2026
24	Tresios	Indirect evidence	Capelle Aan Den Ijssel, NetherlandsHQ checked Sep 17, 2026	11-50	12 contacts →
	Indirect evidence “TRESIOS is an international project management and construction company specialized in subsea construction and marine services.” Source: RevenueBase Database · checked Sep 17, 2026
25	TER Bron	Indirect evidence	Emmen, NetherlandsHQ checked Sep 17, 2026	1-10	9 contacts →
	Indirect evidence “Ter Bron is an execution-led company specializing in plug & abandonment (P&A) operations for late-life and end-of-life wells.” Source: RevenueBase Database · checked Sep 17, 2026

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: offshore decommissioning contractors. 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 offshore decommissioning contractors.
Partial evidence: Its own public description names part of offshore decommissioning contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name offshore decommissioning contractors. 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 58 offshore decommissioning contractors based in the Netherlands

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Offshore decommissioning contractors based in the Netherlands at a glance

As of Sep 17, 2026

32.5%Verified-email coverage

259.7Average contacts per company

51-200Median size (employees)

13.8%Largest-city concentration · Rotterdam

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

5,001-10,000

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 58 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 offshore decommissioning contractors, 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 “offshore decommissioning contractors”. 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 offshore decommissioning contractors), 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 offshore decommissioning contractors, 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, 4,894 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 17, 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 offshore decommissioning contractors, 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 offshore decommissioning contractors are there based in the Netherlands?

RevenueBase identified 58 offshore decommissioning contractors 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?

SBM Offshore, headquartered in Netherlands, tops this list with the largest team on record.

Which city has the most offshore decommissioning contractors?

Rotterdam leads with 8 headquartered companies, followed by Amsterdam (3) and Aa (2).

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 4,894 verified decision-maker contacts tracked across these 58 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 17, 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.