Company lists · Data refreshed October 2026

Top 25 Offshore wind maintenance contractors based in the Netherlands

RevenueBase identified 101 company matches for offshore wind maintenance contractors associated with the Netherlands as of October 2026 and tracks 5,454 professional contacts across them, including 826 with verified work emails. Rotterdam is the largest hub.

This list covers company matches for offshore wind maintenance 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 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 Oct 19, 2026 How this list was built
101Companies
5,454Contacts tracked
826Verified emails
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The 25 largest offshore wind maintenance contractors based in the Netherlands

Ranked by team size
Top 25 of 101 company matches for offshore wind maintenance contractors based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLeiden, NetherlandsHQ recorded Oct 19, 20261,001-5,0002,792 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 19, 2026 · View company records in RevenueBase
2Exact matchDordrecht, NetherlandsHQ recorded Oct 19, 2026201-500432 contacts →

Exact match

“N-Sea is an end-to-end subsea services provider.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchSliedrecht, NetherlandsHQ recorded Oct 19, 2026201-500335 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 19, 2026 · View company records in RevenueBase
4Exact matchAmersfoort, NetherlandsHQ recorded Oct 19, 2026201-500194 contacts →

Exact match

“Welcome to Full Circle Wind Services, the independent, multi-brand turbine operations, maintenance, and repair service for every scale of onshore wind operation.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchSpicalaan 13 2132 Jg Hoofddorp the Netherlands, NetherlandsHQ recorded Oct 19, 202651-200179 contacts →

Exact match

“Petrodec is a responsible offshore contractor, ready to deliver safe, efficient and innovative decommissioning or re-use solutions.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchNieuw-vennep, NetherlandsHQ recorded Oct 19, 2026501-1,000173 contacts →

Exact match

“With a proud history in offshore wind, I’ve been at the forefront of connecting high-voltage systems that power the world’s most ambitious renewable energy projects.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchOosterhout, NetherlandsHQ recorded Oct 19, 202651-200120 contacts →

Exact match

“Jack-Up Barge constructs sustainable offshore energy.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchFlushing, NetherlandsHQ recorded Oct 19, 202651-200110 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 19, 2026 · View company records in RevenueBase
9Exact matchHg, NetherlandsHQ recorded Oct 19, 202651-20098 contacts →

Exact match

“HSM Offshore Energy is an integrated solution provider in EPCIC (Engineering, Procurement, Construction, Installation and Commissioning) multi-disciplinary offshore renewable…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchMaassluis, NetherlandsHQ recorded Oct 19, 202651-20076 contacts →

Exact match

“Sima Charters is a company specialized in Crew Transfers Services, offering launch services to anchorages, offshore wind projects and dredging/construction work support activities.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchDen Helder, NetherlandsHQ recorded Oct 19, 202611-5068 contacts →

Exact match

“SeaMar is a family-owned maritime service provider, founded in and headquartered in Den Helder.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchRotterdam, NetherlandsHQ recorded Oct 19, 202651-20055 contacts →

Exact match

“Wind turbines do not turn forever.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchDelft, NetherlandsHQ recorded Oct 19, 202611-5048 contacts →

Exact match

“ECE Offshore is an engineering, cable operations and equipment company focused on the offshore wind cable installation industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchRotterdam, NetherlandsHQ recorded Oct 19, 202611-5039 contacts →

Exact match

“ROG, your partner for Dockside and Onsite services!”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchSliedrecht, NetherlandsHQ recorded Oct 19, 202651-20037 contacts →

Exact match

“Bakker Repair B.V.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchHarlingen, NetherlandsHQ recorded Oct 19, 2026201-50033 contacts →

Exact match

“SeaZip Offshore Service focusses on robust, manoeuvrable crew transfer, support and survey vessels.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchAmsterdam, NetherlandsHQ recorded Oct 19, 202611-5030 contacts →

Exact match

“DUTCH OFFSHORE provides deck equipment, such as crawler cranes, spider cranes, MEWP's/cherry pickers, forklifts to the maritime and offshore industry with a 24/7 service package…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchWoerden, NetherlandsHQ recorded Oct 19, 202611-5029 contacts →

Exact match

“SPT Offshore, a DEME Offshore subsidiary, is the leading offshore contractor for suction pile anchors and foundations.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchRotterdam Havens, NetherlandsHQ recorded Oct 19, 202611-5026 contacts →

Exact match

“At Royal Roos, we are committed to investing in the future of greener shipping.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchRidderkerk, NetherlandsHQ recorded Oct 19, 202611-5025 contacts →

Exact match

“Supplier of Marine equipment and yard services.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchTerneuzen, NetherlandsHQ recorded Oct 19, 202651-20023 contacts →

Exact match

“Wӓrtsilӓ Underwater Services started its journey as an underwater service provider with a team of two divers in September 1993, specialising in repairing, overhauling and…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22Exact matchOisterwijk, NetherlandsHQ recorded Oct 19, 202611-5013 contacts →

Exact match

“Hydrocare is the leading partner in hydraulic breakdown and maintenance services for the maritime industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchThe Hague, NetherlandsHQ recorded Oct 19, 202611-5012 contacts →

Exact match

“LiftOff provides major component exchange services for wind turbines.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24Exact matchIjmuiden, NetherlandsHQ recorded Oct 19, 202611-5012 contacts →

Exact match

“Recognizing the demand for a dedicated service provider with specialist knowledge in offshore windfarm installation, Balance of Plant (BoP) maintenance and decommissioning…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchRotterdam, NetherlandsHQ recorded Oct 19, 202611-5012 contacts →

Exact match

“Crowner’s Services is a privately owned company serving the offshore oil & gas and offshore wind industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 25 of 101 offshore wind maintenance contractors based in the Netherlands

See the full list, filter by size, metro and specialty, and access 826 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore wind maintenance contractors based in the Netherlands at a glance

As of Oct 19, 2026
15.1%Verified-email coverage
54.0Average contacts per company
11-50Median size (employees)
8.9%Largest-city concentration · Rotterdam
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
41
11-50
33
51-200
16
201-500
8
501-1,000
2
1,001-5,000
1

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 101 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 “offshore wind maintenance 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 826 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 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 “offshore wind maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore wind maintenance contractors are there based in the Netherlands?

RevenueBase identified 101 company matches for offshore wind maintenance 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?

Heerema Marine Contractors tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most offshore wind maintenance contractors?

Rotterdam leads with 9 company records, followed by Sliedrecht (4) and Amsterdam (3).

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 826 professional contacts with verified work emails tracked across these 101 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 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.