Company lists · Data refreshed September 2026

Top 20 Subsea services companies based in Germany

RevenueBase identified 60 subsea services companies headquartered in Germany as of September 2026 and tracks 721 professional contacts across them, including 176 with verified work emails. Hamburg is the largest hub.

This list covers subsea services companies headquartered in Germany, 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 22, 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 22, 2026 86% judged on-target in blind review
60Companies
721Contacts tracked
176Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 20 largest subsea services companies based in Germany

Ranked by team size
Top 20 of 60 subsea services companies based in Germany, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to subsea services companies: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLeer, GermanyHQ checked Sep 22, 2026201-500264 contacts →

Indirect evidence

“UOS is a Leer based service provider to the offshore industry.”

Source: RevenueBase Database · checked Sep 22, 2026
2Indirect evidenceBerlin, GermanyHQ checked Sep 22, 202651-20088 contacts →

Indirect evidence

“EvoLogics GmbH is a German-based high-tech enterprise.”

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceHamburg, GermanyHQ checked Sep 22, 202611-5070 contacts →

Indirect evidence

“Marlow provides one-stop solutions for the international offshore industry, backed by a worldwide network of offices, agencies & training centres.”

Source: RevenueBase Database · checked Sep 22, 2026
4Indirect evidenceGluckstadt, GermanyHQ checked Sep 22, 202611-5031 contacts →

Indirect evidence

“O.S.”

Source: RevenueBase Database · checked Sep 22, 2026
5Indirect evidenceHamburg, GermanyHQ checked Sep 22, 202611-5031 contacts →

Indirect evidence

“Data systems that make sense of the oceans.”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceRostock, GermanyHQ checked Sep 22, 202611-5018 contacts →

Indirect evidence

“Dienstleistungen für Offshore-Windparks mit eigenem Personal und eigenen Schiffen Korrosionsschutzbegutachtung (FROSIO-Inspektoren), Korrosionsschutzreparatur, Kranservice…”

Source: RevenueBase Database · checked Sep 22, 2026
7Strong evidenceHalstenbek, GermanyHQ checked Sep 22, 202611-5017 contacts →

Strong evidence

“Combining innovative subsea technologies with our engineering expertise, we deliver best-in-class uncrewed platforms and sensor solutions for high-quality seabed mapping, dredging…”

Source: RevenueBase Database · checked Sep 22, 2026
8Strong evidenceStutensee, GermanyHQ checked Sep 22, 202611-5012 contacts →

Strong evidence

“Innovative, intelligent and effective inspection solutions Subsea, on land & in space”

Source: RevenueBase Database · checked Sep 22, 2026
9Indirect evidenceHeiligenhafen, GermanyHQ checked Sep 22, 202651-20011 contacts →

Indirect evidence

“BITUNAMEL FELDMANN GmbH is an internationally operating company providing maritime services, headquartered in Heiligenhafen, Germany.”

Source: RevenueBase Database · checked Sep 22, 2026
10Indirect evidenceHamburg, GermanyHQ checked Sep 22, 202611-505 contacts →

Indirect evidence

“Tractebel Overdick is a company specialized in modern offshore and naval engineering.”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceLeer, GermanyHQ checked Sep 22, 202611-504 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 22, 2026
12Indirect evidenceGevelsberg, GermanyHQ checked Sep 22, 202611-503 contacts →

Indirect evidence

“Die RMI Industrieservice GmbH ist ein mittelständisches Fullservice-Unternehmen, mit Kerntätigkeit im industriellen Umfeld des Energie- und Bausektors, mit fachlichen Leistungen…”

Source: RevenueBase Database · checked Sep 22, 2026
13Strong evidenceHamburg, GermanyHQ checked Sep 22, 20261-103 contacts →

Strong evidence

“NSH Shipbrokers are offering custom tailored procurement services to the global Offshore Energy Industry, specializing in the Offshore Subsea & Construction, E&P Support and Dry &…”

Source: RevenueBase Database · checked Sep 22, 2026
14Indirect evidenceHamburg, GermanyHQ checked Sep 22, 20261-102 contacts →

Indirect evidence

“thec provides engineering solutions and technical services to the global offshore industry.”

Source: RevenueBase Database · checked Sep 22, 2026
15Indirect evidenceSeelze, GermanyHQ checked Sep 22, 20261-102 contacts →

Indirect evidence

“Wir sind ein Spezialunternehmen für Unterwasserarbeiten und seit 1963 auf diesem Gebiet im Einsatz.”

Source: RevenueBase Database · checked Sep 22, 2026
16Indirect evidenceSchellhorn, GermanyHQ checked Sep 22, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 22, 2026
17Indirect evidencePulheim, GermanyHQ checked Sep 22, 202611-501 contacts →

Indirect evidence

“Oil, Gas and power industry: We are the specialized company for inspection and maintenance in the Oil, Gas and power industry.”

Source: RevenueBase Database · checked Sep 22, 2026
18Indirect evidenceWilhelmshaven, GermanyHQ checked Sep 22, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 22, 2026
19Indirect evidenceBremerhaven, GermanyHQ checked Sep 22, 20261-101 contacts →

Indirect evidence

“Die Prüfung, Planung, Instandsetzung, Inbetriebnahme und Wartung von On- und Offshore Bauwerken, insbesondere von Konverterstationen, Umspannwerken und Windenergieanlagen sowie…”

Source: RevenueBase Database · checked Sep 22, 2026
20Indirect evidenceOldenburg, GermanyHQ checked Sep 22, 20261-101 contacts →

Indirect evidence

“Die blueMEC GmbH ist ein Dienstleister der maritimen Branche sowie der Ölindustrie und Petrochemie.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 20 of 60 subsea services companies based in Germany

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 176 reachable decision-makers.

Free signup · no credit card

View the full list →

Subsea services companies based in Germany at a glance

As of Sep 22, 2026
24.4%Verified-email coverage
12.0Average contacts per company
1-10Median size (employees)
18.3%Largest-city concentration · Hamburg
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
23
51-200
4
201-500
1

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 60 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 subsea services companies, 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 Germany whose own description of what they do matches “subsea services companies”. 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 subsea services companies), 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 subsea services companies, and records with no verified work email. Companies headquartered outside Germany 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, 176 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 22, 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 subsea services companies, 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 subsea services companies are there based in Germany?

RevenueBase identified 60 subsea services companies headquartered in Germany 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?

United Offshore Support Gmbh, headquartered in Leer, tops this list with the largest team on record.

Which city has the most subsea services companies?

Hamburg leads with 11 headquartered companies, followed by Kiel (3) and Rostock (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 176 verified decision-maker contacts tracked across these 60 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 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 60 subsea services companies based in Germany. Start with a free account, no credit card.

Download this list →

Related lists

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.