Company lists · Data refreshed October 2026

Top 25 Offshore wind energy developers worldwide

RevenueBase identified 1,398 company matches for offshore wind energy developers worldwide as of October 2026 and tracks 107,484 professional contacts across them, including 34,671 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for offshore wind energy developers 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 October 19, 2026. Country and city lists for offshore wind energy developers 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 Oct 19, 2026 How this list was built
1,398Companies
107,484Contacts tracked
34,671Verified emails
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The 25 largest offshore wind energy developers worldwide

Ranked by team size
Top 25 of 1,398 company matches for offshore wind energy developers worldwide, 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 matchLondon, United KingdomHQ recorded Oct 19, 202610001+13,098 contacts →

Exact match

“Subsea7 makes offshore energy transition possible through the continuous evolution of lower-carbon oil and gas and by enabling the growth of renewables and emerging energy.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchEssen, GermanyHQ recorded Oct 19, 202610001+11,410 contacts →

Exact match

“RWE is leading the way to a modern energy world.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchAmsterdam, NetherlandsHQ recorded Oct 19, 20265,001-10,0009,144 contacts →

Exact match

“SBM Offshore is the world’s deepwater ocean-infrastructure expert.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchFredericia, United StatesHQ recorded Oct 19, 20265,001-10,0007,263 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 · Oct 19, 2026 · View company records in RevenueBase
5Exact matchHamburg, GermanyHQ recorded Oct 19, 202610001+7,068 contacts →

Exact match

“The development, manufacture, project management and servicing of wind turbines in the onshore segment has been the core competence and passion of the Nordex Group and its more…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchRome, ItalyHQ recorded Oct 19, 20265,001-10,0004,769 contacts →

Exact match

“We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Oct 19, 20261,001-5,0002,637 contacts →

Exact match

“Adani Green Energy Limited (AGEL) is India’s largest renewable energy company playing a vital role in enabling the clean energy transition.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchHyderabad, IndiaHQ recorded Oct 19, 20261,001-5,0002,621 contacts →

Exact match

“Greenko, is one of the World’s leading Energy Transition and Decarbonization solutions company, with an installed Renewable Energy capacity of ~7.5 GW across Wind, Solar and Hydro…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchDaxing District, ChinaHQ recorded Oct 19, 202610001+2,512 contacts →

Exact match

“As a reliable global strategic partner in clean energy, Goldwind is committed Driving a Renewable Future and centering its business on Ecology-Oriented Development+ENERGY industry…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchEsbjerg, DenmarkHQ recorded Oct 19, 20261,001-5,0002,051 contacts →

Exact match

“To fulfil the vision of a fossil-free future, we need conventional and renewable energy sources to coexist effectively until the day when renewables can fully keep the world…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchPerth, United KingdomHQ recorded Oct 19, 20261,001-5,0001,643 contacts →

Exact match

“SSE Renewables is a leading developer and operator of renewable energy generation, headquartered in the UK and Ireland, with a growing presence internationally.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchMadrid, SpainHQ recorded Oct 19, 20261,001-5,0001,315 contacts →

Exact match

“EDP Renewables is a global leader in the renewable energy sector and the world’s fourth-largest wind energy producer.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchOslo, NorwayHQ recorded Oct 19, 2026501-1,0001,236 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 · Oct 19, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 19, 20261,001-5,0001,116 contacts →

Exact match

“Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchSpain, United StatesHQ recorded Oct 19, 2026501-1,000936 contacts →

Exact match

“At Zelestra, we are on a mission to change the world by making decarbonization a reality for our partners.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchCopenhagen V, DenmarkHQ recorded Oct 19, 20261,001-5,000867 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 · Oct 19, 2026 · View company records in RevenueBase
17Exact matchIndiaHQ recorded Oct 19, 20261,001-5,000785 contacts →

Exact match

“The origins of our story began in 1994, way before the first gusts of an energy crisis blew across our land.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchWiesbaden, GermanyHQ recorded Oct 19, 20261,001-5,000767 contacts →

Exact match

“Founded in 1996, ABO Energy (fomerly known as ABO Wind) is among Europe’s leading developers of renewable energy projects.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchWörrstadt, GermanyHQ recorded Oct 19, 20261,001-5,000751 contacts →

Exact match

“For 30 years, we have been one of the leading specialists in renewable energies, offering complete project development and other services related to the planning, construction…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchSøborg, DenmarkHQ recorded Oct 19, 2026501-1,000735 contacts →

Exact match

“European Energy develops, finances, constructs and operates onshore and offshore wind and solar farms, Power-to-X facilities and Battery Energy Storage Systems.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchGenoa, ItalyHQ recorded Oct 19, 2026501-1,000641 contacts →

Exact match

“We are a leading independent operator of clean energy from renewable sources, operating in nine European countries and in the United States.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22Exact matchNavan Road, IrelandHQ recorded Oct 19, 2026201-500620 contacts →

Exact match

“Energia Group is proud to be the longest supplier of 100% green electricity on the island of Ireland.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Oct 19, 2026501-1,000611 contacts →

Exact match

“Ocean Winds (OW) is an international company dedicated to offshore wind, leading a new era of clean energy by turning ocean winds into power that lights up homes, businesses, and…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 19, 2026501-1,000593 contacts →

Exact match

“Sonnedix is a global renewable energy company delivering 100% clean electricity directly to customers through a diversified portfolio of solar, wind, and storage assets.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchBerlin, GermanyHQ recorded Oct 19, 2026201-500592 contacts →

Exact match

“Q ENERGY is Europe’s 360° green energy company.”

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

Showing 25 of 1,398 offshore wind energy developers worldwide

See the full list, filter by size, metro and specialty, and access 34,671 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore wind energy developers worldwide at a glance

As of Oct 19, 2026
32.3%Verified-email coverage
76.9Average contacts per company
11-50Median size (employees)
3.6%Largest-city concentration · London
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
576
11-50
491
51-200
189
201-500
55
501-1,000
35
1,001-5,000
34
5,001-10,000
7
10001+
6

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 energy developers are linked below.
What qualifies
Company records worldwide whose business descriptions match “offshore wind energy developers” 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 34,671 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.

Offshore wind energy developers by location

15 lists · largest first

Every Offshore wind energy developers 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 energy developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore wind energy developers are there worldwide?

RevenueBase identified 1,398 company matches for offshore wind energy developers worldwide 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?

Subsea7 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most offshore wind energy developers?

The United Kingdom leads with 221 companies, followed by Germany (117) and the United States (110). Every offshore wind energy developers list by country and city is linked on this page.

Which city has the most offshore wind energy developers?

London leads with 51 company records, followed by Edinburgh (28) and Hamburg (25).

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 34,671 professional contacts with verified work emails tracked across these 1,398 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.