Company lists · Data refreshed October 2026

Top 25 Epc contractors renewable energy companies based in London, United Kingdom

Name: Epc contractors renewable energy companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 142 companies tracked

RevenueBase identified 142 company matches for epc contractors renewable energy companies associated with London, United Kingdom as of October 2026 and tracks 4,732 professional contacts across them, including 1,938 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for epc contractors renewable energy companies associated with London, United Kingdom, 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 12, 2026.

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 12, 2026 How this list was built

142Companies

4,732Contacts tracked

1,938Verified emails

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The 25 largest epc contractors renewable energy companies based in London, United Kingdom

Ranked by team size

Top 25 of 142 company matches for epc contractors renewable energy companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Lightsource BP	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1,001-5,000	1,116 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 12, 2026 · View company records in RevenueBase
2	Sonnedix	Exact match	London, United KingdomHQ recorded Oct 12, 2026	501-1,000	593 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 12, 2026 · View company records in RevenueBase
3	Cubico Sustainable Investments	Exact match	London, United KingdomHQ recorded Oct 12, 2026	501-1,000	423 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Intec Energy Solutions	Exact match	London, United KingdomHQ recorded Oct 12, 2026	501-1,000	276 contacts →
	Exact match “INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	OWC	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	187 contacts →
	Exact match “The Renewable Energy Consultants.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Wood Thilsted	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	166 contacts →
	Exact match “Wood Thilsted is a world-leading renewable energy engineering consultancy experienced and specialised in offshore wind.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Sunel Group	Exact match	London, United KingdomHQ recorded Oct 12, 2026	201-500	113 contacts →
	Exact match “SUNEL GROUP is a globally recognized EPC Contractor and Developer for Solar projects.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Highview	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	100 contacts →
	Exact match “Highview is a leading energy infrastructure business.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Wattstor	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	74 contacts →
	Exact match “Think Outside The Grid.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Elements Green	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	58 contacts →
	Exact match “Elements Green (EG) is a leading renewable energy developer headquartered in London, specialising in utility-scale solar PV systems and battery energy storage solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	EDF Renewables UK & Ireland	Exact match	London, United KingdomHQ recorded Oct 12, 2026	501-1,000	55 contacts →
	Exact match “EDF Renewables is part of one of the world’s leading renewable energy companies in the UK.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Innova	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	55 contacts →
	Exact match “Innova is a forward-thinking renewable energy business, employing people across two offices in London and Cheltenham.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	National Energy	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	39 contacts →
	Exact match “Founded in 2018 by ambitious entrepreneurs, National Energy is a US-backed, privately funded group active globally across the renewable energy sector.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Renewable Power Capital	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	32 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Natpower UK	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	31 contacts →
	Exact match “NatPower UK has the largest clean energy development programme in the UK, aiming at integrating large scale smart clean energy generation and distribution with large scale…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Gemec Limited	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	30 contacts →
	Exact match “GEMEC’s main activity and expertise is the Engineering, Procurement and Construction of Renewable energy projects.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Ortus Energy	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	29 contacts →
	Exact match “Ortus Energy is powering up industry across the UK & Ireland by delivering on-site renewable energy on a commercial scale.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	AGR Renewables	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	24 contacts →
	Exact match “At AGR Power, we believe the future of business depends on the strength of the systems that power it.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Queequeg Renewables	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	23 contacts →
	Exact match “We are an integrated platform developing utility-scale energy facilities in multiple territories.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Envirolec Smart Energy Solutions	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	21 contacts →
	Exact match “With over 70 years combined industry experience, Envirolec Smart Energy Solutions has gained vital expertise and experience in a number of Renewable Technologies.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Solar Americas Capital Limited	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	20 contacts →
	Exact match “Have you considered being an investor and consumer of your own energy?” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Bluestone Energy Limited	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	15 contacts →
	Exact match “At Bluestone Energy, we’re transforming the UK’s energy future one project at a time.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Exagen Group	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	14 contacts →
	Exact match “Exagen Group is passionate about renewable energy and its role in driving down greenhouse gas emissions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Renewable Connections	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	14 contacts →
	Exact match “Renewable Connections deliver highly innovative renewable energy developments in strategic locations across the UK and beyond.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Arin Power	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	9 contacts →
	Exact match “Helping the UK make the switch to a solar-powered future!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “epc contractors renewable energy companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 142 epc contractors renewable energy companies based in London, United Kingdom

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Epc contractors renewable energy companies based in London, United Kingdom at a glance

As of Oct 12, 2026

41.0%Verified-email coverage

33.3Average contacts per company

11-50Median size (employees)

Oct 12, 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

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 142 companies.

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.
What qualifies: Company records associated with London, United Kingdom whose business descriptions match “epc contractors renewable energy 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,938 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 12, 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.

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 “epc contractors renewable energy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many epc contractors renewable energy companies are there based in London, United Kingdom?

RevenueBase identified 142 company matches for epc contractors renewable energy companies associated with London, United Kingdom 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?

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

Which city in the United Kingdom has the most epc contractors renewable energy companies?

London leads the United Kingdom with 142 company records, followed by Glasgow (20) and Bristol (16).

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 1,938 professional contacts with verified work emails tracked across these 142 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 12, 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.