Company lists · Data refreshed September 2026

Top 25 Renewable energy advocacy organizations based in the United Kingdom

Name: Renewable energy advocacy organizations based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 165 companies tracked

RevenueBase identified 165 company matches for renewable energy advocacy organizations associated with the United Kingdom as of September 2026 and tracks 1,465 professional contacts across them, including 575 with verified work emails. London is the largest hub.

This list covers company matches for renewable energy advocacy organizations associated with the 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 September 17, 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 Sep 17, 2026 How this list was built

165Companies

1,465Contacts tracked

575Verified emails

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The 25 largest renewable energy advocacy organizations based in the United Kingdom

Ranked by team size

Top 25 of 165 company matches for renewable energy advocacy organizations based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Octopus Energy Generation	Exact match	London, United KingdomHQ recorded Sep 17, 2026	201-500	153 contacts →
	Exact match “At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Centre For Sustainable Energy	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	51-200	108 contacts →
	Exact match “We are a national charity that shares our knowledge and experience to help people change the way they think and act on energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Renewableuk	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	100 contacts →
	Exact match “RenewableUK is the voice of the UK’s renewable energy industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	REA	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	93 contacts →
	Exact match “The REA is the UK's largest trade association for renewable energy and clean technologies with around 500 members operating across heat, transport, power and the circular economy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Ashden	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	76 contacts →
	Exact match “Ashden's mission is to accelerate transformative climate solutions and build a more just world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Ecolution Group	Exact match	Trottiscliffe, United KingdomHQ recorded Sep 17, 2026	51-200	55 contacts →
	Exact match “Renewable Energy Experts: For over 25 years, Ecolution have been at the forefront of renewable energy services, using our award-winning expertise, to help our clients innovate and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Scottish Renewables	Exact match	Glasgow, United KingdomHQ recorded Sep 17, 2026	11-50	43 contacts →
	Exact match “Scottish Renewables is the voice of Scotland’s renewable energy industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Climate Parliament	Exact match	Brighton, United KingdomHQ recorded Sep 17, 2026	11-50	37 contacts →
	Exact match “Legislators working worldwide to combat climate change.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Olympus Power LTD	Exact match	Exeter, United KingdomHQ recorded Sep 17, 2026	11-50	31 contacts →
	Exact match “Zero Carbon Together means we're helping you own your energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Global Solar Council GSC	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	30 contacts →
	Exact match “The Global Solar Council (GSC) is the united voice of the solar industry worldwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	The MCS Foundation	Exact match	Cheshire, United KingdomHQ recorded Sep 17, 2026	1-10	27 contacts →
	Exact match “Our vision is to make every UK home carbon-free.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Nexwell Power	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “Part of the Nexwell Group” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Energy Oasis	Exact match	Harrogate, United KingdomHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “Merging energy efficiency and renewable energy technologies to drive cost savings and combat climate change.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Green Switch Capital - Qair Group	Exact match	Liverpool, United KingdomHQ recorded Sep 17, 2026	51-200	16 contacts →
	Exact match “We are a leading renewable energy developer, committed to providing sustainable and affordable green energy solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Evergreen Energy	Exact match	Manchester, United KingdomHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “The word is out on global warming, and with it traditional means of producing energy are falling by the wayside.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Aberdeen Renewable Energy Group Areg	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	1-10	13 contacts →
	Exact match “AREG is the original energy transition organisation, working on behalf of members to empower the energy supply chain and champion its expertise.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Sunlite Group	Exact match	Martlesham, United KingdomHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Sun-Lite is at the forefront of renewable energy solutions, revolutionizing how we power our world with cutting-edge solar technology.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Renewafuel Home Innovations	Exact match	Worksop, United KingdomHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Renewafuel Home Innovations provide ‘Renewable Product Solutions’ nationwide across the United Kingdom.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Aeon Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	12 contacts →
	Exact match “Humans are surrounded by natural energy, yet, more than two-thirds of the world's electricity comes from fossil fuels.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Ovesco CIC LTD	Exact match	Lewes, United KingdomHQ recorded Sep 17, 2026	1-10	11 contacts →
	Exact match “Ovesco (Ouse Valley Energy Services Company) is a community organisation based in Lewes, East Sussex.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Community Energy England	Exact match	Sheffield, United KingdomHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “Community Energy England (CEE) is a not for profit organisation that represents and supports those committed to the community energy sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Sitigrid	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “At Sitigrid, we believe in transforming the energy landscape to create a more sustainable, equitable, and efficient future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Solar Xpress	Exact match	Featherstone, United KingdomHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “With ever raising energy prices SolarXpress are here to help you take back Power!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Greenversity Renewables	Exact match	Glasgow, United KingdomHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Welcome to Greenversity Renewables!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Ggrs Energie LTD	Exact match	Liverpool, United KingdomHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Empowering a sustainable future through innovative solar solutions.” Recorded in the RevenueBase company graph · Sep 17, 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 “renewable energy advocacy organizations”. 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 165 renewable energy advocacy organizations based in the United Kingdom

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Renewable energy advocacy organizations based in the United Kingdom at a glance

As of Sep 17, 2026

39.2%Verified-email coverage

8.9Average contacts per company

1-10Median size (employees)

24.2%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

102

11-50

51-200

201-500

501-1,000

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 165 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 the United Kingdom whose business descriptions match “renewable energy advocacy organizations” 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 575 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 September 17, 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 “renewable energy advocacy organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy advocacy organizations are there based in the United Kingdom?

RevenueBase identified 165 company matches for renewable energy advocacy organizations associated with the United Kingdom as of September 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?

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

Which city has the most renewable energy advocacy organizations?

London leads with 40 company records, followed by Glasgow (6) and Manchester (6).

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 575 professional contacts with verified work emails tracked across these 165 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 September 17, 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.