Company lists · Data refreshed September 2026

Top 25 Offshore wind developers based in the United Kingdom

Name: Offshore wind developers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 190 companies tracked

RevenueBase identified 190 offshore wind developers headquartered in the United Kingdom as of September 2026 and tracks 21,245 professional contacts across them, including 7,717 with verified work emails. London is the largest hub.

This list covers offshore wind developers headquartered in the United Kingdom, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

190Companies

21,245Contacts tracked

7,717Verified emails

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The 25 largest offshore wind developers based in the United Kingdom

Ranked by team size

Top 25 of 190 offshore wind developers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to offshore wind developers: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Subsea7	Partial evidence	London, United KingdomHQ checked Sep 20, 2026	10001+	12,645 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
2	SSE Renewables	Partial evidence	Perth, United KingdomHQ checked Sep 20, 2026	1,001-5,000	1,900 contacts →
	Partial evidence “SSE Renewables is a leading developer and operator of renewable energy generation, headquartered in the UK and Ireland, with a growing presence internationally.” Source: RevenueBase Database · checked Sep 20, 2026
3	Lightsource BP	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	1,001-5,000	1,114 contacts →
	Indirect evidence “Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.” Source: RevenueBase Database · checked Sep 20, 2026
4	Sonnedix	Partial evidence	London, United KingdomHQ checked Sep 20, 2026	501-1,000	563 contacts →
	Partial evidence “Sonnedix is a global renewable energy company delivering 100% clean electricity directly to customers through a diversified portfolio of solar, wind, and storage assets.” Source: RevenueBase Database · checked Sep 20, 2026
5	Cubico Sustainable Investments	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	501-1,000	406 contacts →
	Indirect evidence “Cubico Sustainable Investments is one of the world’s largest privately-owned renewable energy companies, leveraging our strong local presence with a unique combination of in-house…” Source: RevenueBase Database · checked Sep 20, 2026
6	OWC	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	185 contacts →
	Indirect evidence “The Renewable Energy Consultants.” Source: RevenueBase Database · checked Sep 20, 2026
7	Wood Thilsted	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	175 contacts →
	Strong evidence “Wood Thilsted is a world-leading renewable energy engineering consultancy experienced and specialised in offshore wind.” Source: RevenueBase Database · checked Sep 20, 2026
8	OSBIT	Indirect evidence	Northumberland, United KingdomHQ checked Sep 20, 2026	201-500	171 contacts →
	Indirect evidence “Osbit’s vision is to unlock a clean energy future by creating smarter technology.” Source: RevenueBase Database · checked Sep 20, 2026
9	Flotation Energy	Strong evidence	Edinburgh, United KingdomHQ checked Sep 20, 2026	51-200	154 contacts →
	Strong evidence “Flotation Energy Ltd delivers clean, green, renewable energy by using our expertise in floating and fixed offshore wind and the energy transition, supporting achievement of…” Source: RevenueBase Database · checked Sep 20, 2026
10	British Solar Renewables	Indirect evidence	Shepton Mallet, United KingdomHQ checked Sep 20, 2026	51-200	148 contacts →
	Indirect evidence “Clean energy, powered with purpose.” Source: RevenueBase Database · checked Sep 20, 2026
11	Seajacks	Indirect evidence	Great Yarmouth, United KingdomHQ checked Sep 20, 2026	201-500	122 contacts →
	Indirect evidence “Please follow @Cadeler for more updates.” Source: RevenueBase Database · checked Sep 20, 2026
12	RTS Wind UK	Strong evidence	Middlesbrough, United KingdomHQ checked Sep 20, 2026	51-200	119 contacts →
	Strong evidence “RTS Wind Limited specialise in the provision of services to the onshore and offshore renewable energy sector.” Source: RevenueBase Database · checked Sep 20, 2026
13	EDF Renewables UK & Ireland	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	501-1,000	117 contacts →
	Indirect evidence “EDF Renewables is part of one of the world’s leading renewable energy companies in the UK.” Source: RevenueBase Database · checked Sep 20, 2026
14	MPI Offshore	Strong evidence	Stokesley, United KingdomHQ checked Sep 20, 2026	51-200	110 contacts →
	Strong evidence “We furnish all-round solutions, including engineering, procurement, and construction in the full value chain of offshore wind and adjacent marine construction activities.” Source: RevenueBase Database · checked Sep 20, 2026
15	Innogy Renewables UK	Indirect evidence	Swindon, United KingdomHQ checked Sep 20, 2026	501-1,000	94 contacts →
	Indirect evidence “Innogy Renewables UK Ltd is a leading business in the drive to generate more electricity from low carbon, inexhaustable domestic energy sources.” Source: RevenueBase Database · checked Sep 20, 2026
16	Onpath Energy	Partial evidence	Houghton-le-spring, United KingdomHQ checked Sep 20, 2026	51-200	76 contacts →
	Partial evidence “OnPath Energy is the UK’s leading land-based renewable energy developer with more than 3 GW of renewable energy generation and electricity storage in the pipeline.” Source: RevenueBase Database · checked Sep 20, 2026
17	Cpower Energy LTD	Partial evidence	Colchester, United KingdomHQ checked Sep 20, 2026	n/a	72 contacts →
	Partial evidence “CPower Energy was set up in August 2015 to service a wide variety of jobs within both the Construction and O&M phase of Onshore and Offshore Windfarms.” Source: RevenueBase Database · checked Sep 20, 2026
18	ABLE	Partial evidence	Billingham, United KingdomHQ checked Sep 20, 2026	201-500	69 contacts →
	Partial evidence “ABLE is a leading Land Developer of acres with acres of prime consented land available with 3GW+ electric capacity, ideal for Renewable Energy, AI Data Centres or Industrial Use.” Source: RevenueBase Database · checked Sep 20, 2026
19	RED Rock Renewables	Partial evidence	Edinburgh, United KingdomHQ checked Sep 20, 2026	51-200	65 contacts →
	Partial evidence “Red Rock Renewables is an investor, owner, operator and developer of renewable energy projects.” Source: RevenueBase Database · checked Sep 20, 2026
20	Global Wind Projects	Partial evidence	Aberdeen, United KingdomHQ checked Sep 20, 2026	51-200	52 contacts →
	Partial evidence “Global Wind Projects, a new division of Global Port Services, aspires to become one of the UK and Ireland’s leading providers of wind turbine installation services, both onshore…” Source: RevenueBase Database · checked Sep 20, 2026
21	NNG Offshore Wind	Strong evidence	Edinburgh, United KingdomHQ checked Sep 20, 2026	n/a	51 contacts →
	Strong evidence “The Neart na Gaoithe (NnG) offshore wind farm will be located 15.5 km off the Fife coast and covers an area of approximately 105 km2.” Source: RevenueBase Database · checked Sep 20, 2026
22	Renewable Power Capital	Partial evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	51 contacts →
	Partial evidence “We invest in the development, construction, and long-term ownership of solar, onshore wind and battery storage projects, enabling the energy transition and driving stable…” Source: RevenueBase Database · checked Sep 20, 2026
23	Haventus	Strong evidence	Ardersier, United KingdomHQ checked Sep 20, 2026	51-200	48 contacts →
	Strong evidence “Haventus is an energy transition facilities provider, offering pivotal infrastructure for the offshore wind industry.” Source: RevenueBase Database · checked Sep 20, 2026
24	Outer Dowsing Offshore Wind	Strong evidence	1.5 Gw Fully Consented Wind Farm With 2030 Connection Date, United KingdomHQ checked Sep 20, 2026	11-50	46 contacts →
	Strong evidence “Outer Dowsing Offshore Wind is a 1.5GW project located approximately 54km off the Lincolnshire coast.” Source: RevenueBase Database · checked Sep 20, 2026
25	Hybrid Resource Management LTD	Strong evidence	Newquay, United KingdomHQ checked Sep 20, 2026	51-200	45 contacts →
	Strong evidence “Hybrid RM are specialists in on and offshore wind energy resource provision.” Source: RevenueBase Database · checked Sep 20, 2026

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 wind developers. 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 wind developers.
Partial evidence: Its own public description names part of offshore wind developers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name offshore wind developers. 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 190 offshore wind developers based in the United Kingdom

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Offshore wind developers based in the United Kingdom at a glance

As of Sep 20, 2026

36.3%Verified-email coverage

111.8Average contacts per company

11-50Median size (employees)

25.3%Largest-city concentration · London

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 190 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 wind developers, 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 the United Kingdom whose own description of what they do matches “offshore wind developers”. 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 wind developers), 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 wind developers, and records with no verified work email. Companies headquartered outside United Kingdom 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, 7,717 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.

Offshore wind developers by metro

Offshore wind developers in London48
Offshore wind developers in Edinburgh26

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 wind developers, 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 wind developers are there based in the United Kingdom?

RevenueBase identified 190 offshore wind developers headquartered in the United Kingdom 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?

Subsea7, headquartered in London, tops this list with the largest team on record.

Which city has the most offshore wind developers?

London leads with 48 headquartered companies, followed by Edinburgh (26) and Aberdeen (11).

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 7,717 verified decision-maker contacts tracked across these 190 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.