Company lists · Data verified August 2026

Top 25 Energy audit services based in the United Kingdom

Name: Energy audit services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 191 companies tracked

There are 191 energy audit services headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 564 professional contacts across them, including 198 with verified work emails and 33 with mobile numbers. London is the largest hub.

This list covers energy audit services headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

191Companies

564Contacts tracked

198Verified emails

33Mobile numbers

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The 25 largest energy audit services based in the United Kingdom

Ranked by team size

Top 25 of 191 energy audit services based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Cotopaxi LTD	Skelmersdale	11-50	42	26
2	Celtic Dynamics	Birmingham	51-200	29	14
3	Carbon Architecture	Hampton Hill	11-50	21	16
4	Energy Gain UK	Manchester	11-50	14	10
5	Briary	n/a	11-50	12	8
6	ECO Target	Barking And Dagenham	11-50	12	6
7	EEC Energy Efficiency Consultants	Coventry	11-50	11	7
8	EEH Solutions	Welwyn Garden City	11-50	9	3
9	EPS Group	Nottingham	11-50	8	5
10	CSR Sustain	Manchester	11-50	7	5
11	Bierce Surveying LTD	Aylesbury	11-50	6	5
12	Energy & Design LTD	Cannock	11-50	6	3
13	Complete Sustainability Solutions LTD	Manchester	1-10	6	3
14	EPC Choice	Bromley	51-200	6	2
15	4energy Group	Wickford	51-200	6	2
16	SDS Energy	Mallusk Belfast	11-50	6	1
17	Ecopare LTD	Surrey Research Park	1-10	5	2
18	Coral Energy Limited	Horsham	1-10	4	3
19	Excel Utilities LTD	Otley	11-50	4	2
20	Bems Energy	Christian Malford	1-10	4	1
21	Advancing Energy LTD	Cramlington	1-10	3	3
22	RW AIR Energy LTD	Waterlooville	1-10	3	3
23	Energy Assessors London LTD	London	1-10	3	2
24	CEC Energy UK	London	11-50	2	2
25	Energy Intelligent Solutions	Reigate	1-10	2	2

Showing 25 of 191 energy audit services based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 198 reachable decision-makers.

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Energy audit services based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 29 HQs

33Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

151

11-50

51-200

Energy audit services by metro

Metro	Companies
Energy audit services in London	29
Energy audit services in Nottingham	4
Energy audit services in Manchester	4
Energy audit services in Bristol	4
Energy audit services in Sheffield	3
Energy audit services in Worcester	3
Energy audit services in Preston	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “energy audit services”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many energy audit services are there based in the United Kingdom?

There are 191 energy audit services headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Cotopaxi LTD, headquartered in Skelmersdale, tops this list with the largest team on record.

Which city has the most energy audit services?

London leads with 29 headquartered companies, followed by Nottingham (4) and Manchester (4).

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 198 verified decision-maker contacts tracked across these 191 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.