Company lists · Data refreshed November 2026

Top 25 Underwater maintenance services based in the Netherlands

RevenueBase identified 127 company matches for underwater maintenance services associated with the Netherlands as of November 2026 and tracks 1,867 professional contacts across them, including 438 with verified work emails. Rotterdam is the largest hub.

This list covers company matches for underwater maintenance services 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 November 6, 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 Nov 6, 2026 How this list was built
127Companies
1,867Contacts tracked
438Verified emails
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The 25 largest underwater maintenance services based in the Netherlands

Ranked by team size
Top 25 of 127 company matches for underwater maintenance services based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchDordrecht, NetherlandsHQ recorded Nov 6, 2026201-500447 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDen Helder, NetherlandsHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“Bluestream is now part of OEG's subsea service division.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHoogvliet, NetherlandsHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Dräger Marine & Offshore is one of the major players in the port of Rotterdam when it comes to high quality marine & offshore services in the field of firefighting, rescue and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHarlingen, NetherlandsHQ recorded Nov 6, 202651-20077 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDen Helder, NetherlandsHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“At Mr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 202611-5042 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchUrk, NetherlandsHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“GLOBAL COMMERCIAL DIVING, ROV, SUBSEA MARINE AND OFFSHORE CONSTRUCTION SERVICES DUC Marine Group offers services to the Offshore Construction, Renewables, Oil and Gas Construction…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Duik‑ en Bergingsbedrijf W.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSleeuwijk, NetherlandsHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“Seascape Subsea BV is a company specialized in the the development and production of innovative underwater equipment and commercial diving systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchDordrecht, NetherlandsHQ recorded Nov 6, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOisterwijk, NetherlandsHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchRidderkerk, NetherlandsHQ recorded Nov 6, 202651-20011 contacts →

Exact match

“Vespower is a trusted specialist company offering comprehensive ship repair and marine engine services with an 20 years of overhaul and maintenance history, as well as a your…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBeusichem, NetherlandsHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“At diving company Qceas, we go further where others stop.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 202611-5010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchJoure, NetherlandsHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Aquatech Diving is een toonaangevend duikbedrijf met 30 jaar ervaring in civiele onderwaterbouw.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchColijnsplaat, NetherlandsHQ recorded Nov 6, 202611-509 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSliedrecht, NetherlandsHQ recorded Nov 6, 202611-507 contacts →

Exact match

“T.Hoogendijk & Zonen B.V.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHardinxveld-giessendam, NetherlandsHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Duik- en Bergingsbedrijf Europa is al meer dan 50 jaar een toonaangevend bedrijf in de duik- en bergingssector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchJoure, NetherlandsHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Founded in February 2022, Aquatech Offshore expands the proven expertise of Aquatech Diving (est.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHeinenoord, NetherlandsHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Tenwolde specializes in sales & rental, maintenance and modification of marine equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGenemuiden, NetherlandsHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Duikbedrijf Schuite is een professioneel duikbedrijf met jarenlange ervaring in werkzaamheden onderwater.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchVianen, NetherlandsHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Duikbedrijf COW BV voert duikwerkzaamheden uit in de civiele onderwaterbouw in zowel hoofd als onderaanneming voor Rijkswaterstaat, havenbedrijven, lokale overheden, aannemers en…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTerneuzen, NetherlandsHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Keeping ships where they belong: in the water.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSteenbergen, NetherlandsHQ recorded Nov 6, 202651-2005 contacts →

Exact match

“UPE is the result of a long-lasting relationship between highly skilled maritime repair and service companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 127 underwater maintenance services based in the Netherlands

See the full list, filter by size, metro and specialty, and access 438 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Underwater maintenance services based in the Netherlands at a glance

As of Nov 6, 2026
23.5%Verified-email coverage
14.7Average contacts per company
1-10Median size (employees)
7.9%Largest-city concentration · Rotterdam
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
69
11-50
39
51-200
13
201-500
3

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 127 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 “underwater maintenance services” 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 438 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 November 6, 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 “underwater maintenance services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underwater maintenance services are there based in the Netherlands?

RevenueBase identified 127 company matches for underwater maintenance services associated with the Netherlands as of November 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?

N-Sea Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most underwater maintenance services?

Rotterdam leads with 10 company records, followed by Amsterdam (3) and Urk (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 438 professional contacts with verified work emails tracked across these 127 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 November 6, 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.