Company lists · Data refreshed November 2026

Top 25 Offshore wind service companies worldwide

RevenueBase identified 1,903 company matches for offshore wind service companies worldwide as of November 2026 and tracks 146,205 professional contacts across them, including 28,519 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for offshore wind service companies worldwide, 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. Country and city lists for offshore wind service companies follow the table.

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
1,903Companies
146,205Contacts tracked
28,519Verified emails
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The 25 largest offshore wind service companies worldwide

Ranked by team size
Top 25 of 1,903 company matches for offshore wind service companies worldwide, 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 matchMilan, ItalyHQ recorded Nov 6, 202610001+36,899 contacts →

Exact match

“Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFredericia, United StatesHQ recorded Nov 6, 20265,001-10,0007,417 contacts →

Exact match

“Ørsted is the global leader in offshore wind power and is one of the largest renewable energy companies in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSharjah, United Arab EmiratesHQ recorded Nov 6, 20265,001-10,0006,498 contacts →

Exact match

“With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMacaé, BrazilHQ recorded Nov 6, 20261,001-5,0003,117 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchChâtel-saint-denis, United StatesHQ recorded Nov 6, 20261,001-5,0002,837 contacts →

Exact match

“Allseas is a world-leading contractor in the offshore energy market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPaso Robles, CA, United StatesHQ recorded Nov 6, 20261,001-5,0002,767 contacts →

Exact match

“PEARCE from CBRE is the largest national independent provider of outsourced repair, maintenance, and engineering services to critical infrastructure in the renewable energy, power…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 6, 20261,001-5,0002,752 contacts →

Exact match

“Malaysia Marine and Heavy Engineering Holdings Berhad (MHB) is a globally trusted energy and marine solutions provider for a wide range of offshore and onshore facilities and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0002,100 contacts →

Exact match

“ZMI Holdings an ADNOC L&S company THE NEW WAVE Transforming the Offshore Energy Industry An integrated service provider offering unparalleled commitment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNiterói, BrazilHQ recorded Nov 6, 20261,001-5,0001,847 contacts →

Exact match

“O Grupo CBO é uma das maiores empresas de apoio marítimo do Brasil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,814 contacts →

Exact match

“Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFredericia, DenmarkHQ recorded Nov 6, 20261,001-5,0001,711 contacts →

Exact match

“Muehlhan Wind Service is a leading full-scope independent service provider delivering wind turbine installation and Operations & Maintenance solutions to wind energy clients in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOslo, NorwayHQ recorded Nov 6, 20261,001-5,0001,607 contacts →

Exact match

“DeepOcean is a technology-driven, independent solution provider in the ocean space.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchFredericia, DenmarkHQ recorded Nov 6, 20261,001-5,0001,473 contacts →

Exact match

“Global Wind Service (GWS) is one of the largest companies in Europe offering onshore and offshore installation and servicing of wind turbines around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchVejle, DenmarkHQ recorded Nov 6, 20261,001-5,0001,388 contacts →

Exact match

“FairWind is a leading provider of one-stop solutions for the installation and service of onshore and offshore wind turbines throughout the world, having worked in more than 40…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026201-5001,353 contacts →

Exact match

“With more than 50 years of legacy, Maersk Supply Service celebrates a new important milestone: from November 1st, our headquarters are officially located in Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOslo, NorwayHQ recorded Nov 6, 2026501-1,0001,254 contacts →

Exact match

“Seaway7 Seaway7 is a global leader in the delivery of offshore wind projects, committed to contributing to an efficient and sustainable energy supply for the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchKebayoran Lama, IndonesiaHQ recorded Nov 6, 2026501-1,0001,093 contacts →

Exact match

“As a one-stop offshore marine services company, Wintermar Offshore Marine Group strives to support all types of offshore operations, offering innovative vessel and logistical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAberdeenshire, United KingdomHQ recorded Nov 6, 2026501-1,000972 contacts →

Exact match

“Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAbu Dhabi Uae, SingaporeHQ recorded Nov 6, 20261,001-5,000945 contacts →

Exact match

“We are a leading provider of integrated marine solutions driving the global transformation to sustainable energy by delivering impact where it matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCopenhagen V, DenmarkHQ recorded Nov 6, 20261,001-5,000913 contacts →

Exact match

“Cadeler is a pure-play offshore wind installation partner and the global leader in turbine transport and installation, operating the world’s largest fleet of heavy-lift jack-up…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026n/a775 contacts →

Exact match

“Established in 1997, we operate an extensive fleet of Offshore Supply Vessels that service the Oil and Gas industry in the Middle East, South East Asia, Africa, India and the Gulf…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchEsbjerg, DenmarkHQ recorded Nov 6, 20261,001-5,000762 contacts →

Exact match

“ESVAGT was founded in 1981 with the purpose of making the sea a safe place to work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,000739 contacts →

Exact match

“Kuiper Group, part of Oilmax Group, is a leading integrated manpower services provider supporting the global Oil & Gas industry since We enable critical energy operations through…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000715 contacts →

Exact match

“The GREATSHIP GROUP is a provider of quality offshore oilfield services, owning and operating a comprehensive range of new generation, technologically advanced vessels and modern…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchVejle, DenmarkHQ recorded Nov 6, 2026501-1,000670 contacts →

Exact match

“Flex Wind began as a company founded by people who came from site, understanding first-hand what a wind energy project demands and the value created by doing it right.”

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

Showing 25 of 1,903 offshore wind service companies worldwide

See the full list, filter by size, metro and specialty, and access 28,519 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore wind service companies worldwide at a glance

As of Nov 6, 2026
19.5%Verified-email coverage
76.8Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
703
11-50
612
51-200
326
201-500
130
501-1,000
51
1,001-5,000
56
5,001-10,000
6
10001+
7

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for offshore wind service companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “offshore wind service companies” 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. 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 28,519 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.

Offshore wind service companies by location

18 lists · largest first

Every Offshore wind service companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 service companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore wind service companies are there worldwide?

RevenueBase identified 1,903 company matches for offshore wind service companies worldwide 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?

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

Which country has the most offshore wind service companies?

The United Kingdom leads with 281 companies, followed by Germany (151) and the United States (143). Every offshore wind service companies list by country and city is linked on this page.

Which city has the most offshore wind service companies?

London leads with 47 company records, followed by Hamburg (33) and Aberdeen (26).

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 28,519 professional contacts with verified work emails tracked across these 1,903 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.