Company lists · Data refreshed September 2026
Top 25 Offshore well services based in Germany
RevenueBase identified 54 offshore well services headquartered in Germany as of September 2026 and tracks 1,050 professional contacts across them, including 201 with verified work emails. Hamburg is the largest hub.
This list covers offshore well services 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 20, 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.
The 25 largest offshore well services based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 264 contacts → | ||||
Partial evidence “UOS is a Leer based service provider to the offshore industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 225 contacts → | ||||
Partial evidence “Dedicated people to support your offshore business with the power of Bernhard Schulte Shipmanagement.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 74 contacts → | ||||
Partial evidence “With 26 drilling and workover rigs with hook loads ranging from 33 to 220 tons, and around 460 dedicated employees – more than 300 of them in operational roles – MB Well Services…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 70 contacts → | ||||
Partial 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 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 31 contacts → | ||||
Indirect evidence “O.S.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 30 contacts → | ||||
Partial evidence “Onken Offshore Contractors (OOC) was founded with different indipendent experts there are already working in the Offshore buisness.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 25 contacts → | ||||
Partial evidence “OFFSHORE is OFFCON OFFSHORE, the new challenge at the German coast, has been the original core competence of our company since establishing the OFFCON GmbH in 1989.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 23 contacts → | ||||
Partial evidence “Windward Offshore was formed to establish an Integrated Offshore Wind Service Company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Partial evidence “Dienstleistungen für Offshore-Windparks mit eigenem Personal und eigenen Schiffen Korrosionsschutzbegutachtung (FROSIO-Inspektoren), Korrosionsschutzreparatur, Kranservice…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 17 contacts → | ||||
Indirect evidence “Die ftt GmbH wurde im Jahr 2004 gegründet.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 contacts → | ||||
Partial evidence “We provide a full range of services for the oil and gas industry as well as the geothermal industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 14 contacts → | ||||
Indirect evidence “German Completion Tools liefert individuelle und ganzheitliche Lösungen im Bereich Untertageequipment für Gas, Öl, Wasser- oder Geothermie-Bohrungen.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 14 contacts → | ||||
Indirect evidence “We are part of the GEO GROUP based in Miltzow, nearby Stralsund, Germany.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Partial evidence “Con4Mare, established in 2013, specializes in offshore and marine services, including Marine Warranty Surveys, project certification, inspections, and risk and safety assessments.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Indirect evidence “Die Downhole Equipment & Services GmbH (DES) bietet ein umfassendes Dienstleistungspaket sowie einen einzigartigen Service im Bereich der Downhole Tools für Tiefenbohrungen aus…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Partial evidence “Tractebel Overdick is a company specialized in modern offshore and naval engineering.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Partial evidence “BPS-Celle GmbH is a water well service & plant engineering company based in Celle, Germany.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Partial evidence “Technica Nova GmbH stands as one of Germany's premier engineering firms, specializing in the development, component manufacturing, construction, and operation of offshore wind…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Partial evidence “All Offshore Wind related tasks in one hand.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Partial 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 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Partial evidence “Ingenieurdienstleistungen im Bereich Untertage: Bohrtechnik/Drilling, Wellwork, Well Intervention, Artfificial Lift.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial 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 20, 2026Thanks. The Data Team will review it. | |||||
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 well services. 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 well services.
- Partial evidence
- Its own public description names part of offshore well services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name offshore well services. 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 54 offshore well services based in Germany
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Offshore well services based in Germany at a glance
As of Sep 20, 2026Companies by employee count
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 54 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 well services, 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 “offshore well services”. 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 well services), 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 well services, 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, 201 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 20, 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 well services, 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 well services are there based in Germany?
RevenueBase identified 54 offshore well services 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 offshore well services?
Hamburg leads with 14 headquartered companies, followed by Gluckstadt (3) and Celle (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 201 verified decision-maker contacts tracked across these 54 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 20, 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.