Company lists · Data refreshed October 2026

Top 25 Green energy installation contractors based in the United Kingdom

Name: Green energy installation contractors based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 2,329 companies tracked

RevenueBase identified 2,329 company matches for green energy installation contractors associated with the United Kingdom as of October 2026 and tracks 16,024 professional contacts across them, including 5,383 with verified work emails. London is the largest hub.

This list covers company matches for green energy installation contractors 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 October 13, 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 13, 2026 How this list was built

2,329Companies

16,024Contacts tracked

5,383Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest green energy installation contractors based in the United Kingdom

Ranked by team size

Top 25 of 2,329 company matches for green energy installation contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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	Good Energy	Exact match	Chippenham, United KingdomHQ recorded Oct 13, 2026	201-500	493 contacts →
	Exact match “Good Energy has been driving the UK’s renewable energy revolution since helping homes and businesses become greener and more self-sufficient through clean power and green…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	SO Energy	Exact match	London, United KingdomHQ recorded Oct 13, 2026	201-500	395 contacts →
	Exact match “We do energy, you do you.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	Clarkson Evans LTD	Exact match	Gloucester, United KingdomHQ recorded Oct 13, 2026	501-1,000	336 contacts →
	Exact match “With over 850 staff, we are one of the UK’s leading electrical contractors and solar PV installers.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	Intec Energy Solutions	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
5	OWC	Exact match	London, United KingdomHQ recorded Oct 13, 2026	51-200	187 contacts →
	Exact match “The Renewable Energy Consultants.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	British Solar Renewables	Exact match	Shepton Mallet, United KingdomHQ recorded Oct 13, 2026	51-200	162 contacts →
	Exact match “Clean energy, powered with purpose.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	Smith & Byford	Exact match	Cheam, United KingdomHQ recorded Oct 13, 2026	201-500	139 contacts →
	Exact match “Smith & Byford is a family-owned and operated building services company.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	Project Solar UK	Exact match	Burton On Trent, United KingdomHQ recorded Oct 13, 2026	201-500	123 contacts →
	Exact match “Project Solar UK Ltd are a well-established Renewable Energy company.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Glow Green	Exact match	Bournemouth, United KingdomHQ recorded Oct 13, 2026	51-200	121 contacts →
	Exact match “Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	AES	Exact match	Enfield, United KingdomHQ recorded Oct 13, 2026	201-500	114 contacts →
	Exact match “As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Correct Contract Services CCS	Exact match	Andover, United KingdomHQ recorded Oct 13, 2026	201-500	109 contacts →
	Exact match “Correct Contract Services (CCS) is a trusted main contractor for compliance and energy services, expertly serving social housing landlords across the UK.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	Energy Efficient Solutions Group	Exact match	Bracknell, United KingdomHQ recorded Oct 13, 2026	51-200	103 contacts →
	Exact match “EES Group, a B Corp Certified company, are at the forefront of innovation, offering the latest technologies within the renewable and sustainable energy sector providing solutions…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	BOXT	Exact match	Leeds, United KingdomHQ recorded Oct 13, 2026	51-200	96 contacts →
	Exact match “We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14	Eenergy	Exact match	London, United KingdomHQ recorded Oct 13, 2026	51-200	96 contacts →
	Exact match “eEnergy (AIM: EAAS) is a UK-based Energy-as-a-Service (EaaS) provider, funding and delivering energy-saving and energy-generating solutions across multi-site public sector and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	CPS Building Services LTD	Exact match	Cambridge, United KingdomHQ recorded Oct 13, 2026	51-200	86 contacts →
	Exact match “CPS Building Services Ltd are experts in design, installation and maintenance of all mechanical and electrical services including renewables.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	Evergen Solar	Exact match	Maidenhead, United KingdomHQ recorded Oct 13, 2026	51-200	81 contacts →
	Exact match “Fully funded solar solutions specialising in Commercial and Residential Solar with Battery.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Purdy Part Of Sureserve	Exact match	London, United KingdomHQ recorded Oct 13, 2026	201-500	78 contacts →
	Exact match “Who are we?” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	United GAS & Power	Exact match	Guiseley, United KingdomHQ recorded Oct 13, 2026	51-200	77 contacts →
	Exact match “UGP is the highest rated business renewable energy supplier.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	Next Energy	Exact match	Knowsley, United KingdomHQ recorded Oct 13, 2026	51-200	75 contacts →
	Exact match “Established in 2016, we have grown to become one of the most reputable and reliable specialists within the renewable, heating, and insulation sectors in the United Kingdom.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Energise Energy Solutions	Exact match	Doncaster, United KingdomHQ recorded Oct 13, 2026	201-500	75 contacts →
	Exact match “Specialising in Smart Metering, Isolator Switch Installations & Renewable Energy Solutions Founded in 2018, Energise Energy has been working independently and alongside major…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Nu-Heat Underfloor Heating & Renewables	Exact match	Honiton, United KingdomHQ recorded Oct 13, 2026	51-200	71 contacts →
	Exact match “As the UK's largest supplier of warm water underfloor heating and integrated renewables, Nu‑Heat delivers fully designed, energy efficient systems to installers, housebuilders…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	Cleaner Group	Exact match	Wakefield, United KingdomHQ recorded Oct 13, 2026	11-50	65 contacts →
	Exact match “Cleaner Group is a UK leader in full turnkey renewable energy solutions; primarily for commercial EV charging and solar PV.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	Plug ME In	Exact match	Manchester, United KingdomHQ recorded Oct 13, 2026	11-50	64 contacts →
	Exact match “Powering ahead the UK's clean energy transition.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	ECO Approach	Exact match	Beckenham, United KingdomHQ recorded Oct 13, 2026	51-200	63 contacts →
	Exact match “We’re a leading nationwide property services company established in 2013.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Dulas LTD	Exact match	Machynlleth, United KingdomHQ recorded Oct 13, 2026	51-200	61 contacts →
	Exact match “With over 35 years of experience in the clean energy sector, Dulas is an award-winning renewable energy installer and consultancy, specialising in the wind, solar and hydro…” Recorded in the RevenueBase company graph · Oct 13, 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 “green energy installation contractors”. 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 2,329 green energy installation contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,383 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Green energy installation contractors based in the United Kingdom at a glance

As of Oct 13, 2026

33.6%Verified-email coverage

6.9Average contacts per company

1-10Median size (employees)

7.0%Largest-city concentration · London

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

1,264

11-50

845

51-200

166

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 2,329 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 “green energy installation contractors” 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 5,383 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 13, 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.

Green energy installation contractors by metro

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

How many green energy installation contractors are there based in the United Kingdom?

RevenueBase identified 2,329 company matches for green energy installation contractors associated with the 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?

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

Which city has the most green energy installation contractors?

London leads with 164 company records, followed by Glasgow (40) and Bristol (32).

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 5,383 professional contacts with verified work emails tracked across these 2,329 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 13, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,329 green energy installation contractors based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Green energy installation contractors by geography

Browse the directory

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.