Company lists · Data refreshed September 2026

Top 25 Energy performance contracting companies based in the United Kingdom

Name: Energy performance contracting companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 560 companies tracked

RevenueBase identified 560 energy performance contracting companies headquartered in the United Kingdom as of September 2026 and tracks 18,168 professional contacts across them, including 5,812 with verified work emails. London is the largest hub.

This list covers energy performance contracting companies 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 16, 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 16, 2026 86% judged on-target in blind review

560Companies

18,168Contacts tracked

5,812Verified emails

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The 25 largest energy performance contracting companies based in the United Kingdom

Ranked by team size

Top 25 of 560 energy performance contracting companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to energy performance contracting companies: 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	British GAS	Indirect evidence	Windsor, United KingdomHQ checked Sep 16, 2026	10001+	9,238 contacts →
	Indirect evidence “Taking care of things.” Source: RevenueBase Database · checked Sep 16, 2026
2	Shell Energy	Partial evidence	London, United KingdomHQ checked Sep 16, 2026	1,001-5,000	2,627 contacts →
	Partial evidence “We help businesses manage energy needs, boost efficiency, control costs and achieve decarbonisation goals for a better energy future.” Source: RevenueBase Database · checked Sep 16, 2026
3	Northern GAS And Power	Partial evidence	Gateshead, United KingdomHQ checked Sep 16, 2026	501-1,000	509 contacts →
	Partial evidence “As leaders in our field, we’re trusted by over businesses to provide a full energy service.” Source: RevenueBase Database · checked Sep 16, 2026
4	EIC Partnership	Partial evidence	Redditch, United KingdomHQ checked Sep 16, 2026	51-200	316 contacts →
	Partial evidence “EIC Partnership: A Legacy of Expertise, A Commitment to Sustainability With origins dating back to 1975, EIC has cultivated nearly 50 years of distinguished service in energy and…” Source: RevenueBase Database · checked Sep 16, 2026
5	E.On Control Solutions LTD	Strong evidence	Bury, United KingdomHQ checked Sep 16, 2026	201-500	206 contacts →
	Strong evidence “Who we are » The UK’s leading Energy Management company » Our aim is to increase energy performance within buildings » Deliver energy projects to maximise customer return on…” Source: RevenueBase Database · checked Sep 16, 2026
6	CFP Energy	Partial evidence	London, United KingdomHQ checked Sep 16, 2026	201-500	171 contacts →
	Partial evidence “CFP Energy is a leading provider of energy and environmental solutions for industrial and commercial clients.” Source: RevenueBase Database · checked Sep 16, 2026
7	Optimised	Partial evidence	Bristol, United KingdomHQ checked Sep 16, 2026	51-200	142 contacts →
	Partial evidence “Optimised exists to accelerate the shift to a low-carbon future by making energy management work; commercially, operationally and sustainably.” Source: RevenueBase Database · checked Sep 16, 2026
8	AMBER	Partial evidence	Cardiff, United KingdomHQ checked Sep 16, 2026	51-200	124 contacts →
	Partial evidence “We are an award-winning energy consultancy and certified B Corp™.” Source: RevenueBase Database · checked Sep 16, 2026
9	ZTP	Indirect evidence	London, United KingdomHQ checked Sep 16, 2026	51-200	115 contacts →
	Indirect evidence “At ZTP, we’re committed to accelerating the transition to a more sustainable future by reducing the negative impact of human activity on our planet - ecologically, financially…” Source: RevenueBase Database · checked Sep 16, 2026
10	TROO	Partial evidence	Doxford International Business Park, United KingdomHQ checked Sep 16, 2026	51-200	106 contacts →
	Partial evidence “Managing business energy can be overwhelming.” Source: RevenueBase Database · checked Sep 16, 2026
11	Laser Energy	Partial evidence	West Malling, United KingdomHQ checked Sep 16, 2026	51-200	93 contacts →
	Partial evidence “At LASER Energy, part of the Commercial Services Group Energy & Environment portfolio, a wholly-owned business unit of Kent County Council, we help public sector organisations…” Source: RevenueBase Database · checked Sep 16, 2026
12	The Green Energy Advice Bureau	Partial evidence	Sunderland, United KingdomHQ checked Sep 16, 2026	51-200	90 contacts →
	Partial evidence “The Green Energy Advice Bureau are a leading independent award-winning UK commercial energy consultancy.” Source: RevenueBase Database · checked Sep 16, 2026
13	Ignite Energy	Partial evidence	Wantage, United KingdomHQ checked Sep 16, 2026	51-200	88 contacts →
	Partial evidence “Ignite is dedicated to providing large UK multi-site energy users with a full suite of sustainability services.” Source: RevenueBase Database · checked Sep 16, 2026
14	Vibrant Energy Matters	Indirect evidence	Blackwood, United KingdomHQ checked Sep 16, 2026	51-200	81 contacts →
	Indirect evidence “Established in 2008 to carry out EPCs, our services expanded from 2015 to include all residential property services.” Source: RevenueBase Database · checked Sep 16, 2026
15	Team Energy Auditing Agency LTD	Partial evidence	Milton Keynes, United KingdomHQ checked Sep 16, 2026	51-200	69 contacts →
	Partial evidence “TEAM is the UK’s leading supplier of carbon and energy management solutions committed to driving the efficiency and sustainability of energy consumption and environmental…” Source: RevenueBase Database · checked Sep 16, 2026
16	ECO Logic Partners	Partial evidence	Team Valley, United KingdomHQ checked Sep 16, 2026	11-50	66 contacts →
	Partial evidence “We bring good energy to the table to help you save yours.” Source: RevenueBase Database · checked Sep 16, 2026
17	Birdsall Group LTD	Partial evidence	Hemel Hempstead, United KingdomHQ checked Sep 16, 2026	51-200	64 contacts →
	Partial evidence “Our History Birdsall are an innovative company with a 48-year track record of delivering energy efficiency and environmental solutions to our clients.” Source: RevenueBase Database · checked Sep 16, 2026
18	Cenergist	Partial evidence	Washington, United KingdomHQ checked Sep 16, 2026	201-500	62 contacts →
	Partial evidence “Cenergist is a specialist energy and water efficiency company in the UK and Europe.” Source: RevenueBase Database · checked Sep 16, 2026
19	Matrix Control Solutions LTD	Strong evidence	Bury, United KingdomHQ checked Sep 16, 2026	201-500	60 contacts →
	Strong evidence “Who we are » The UK’s leading Energy Management company » Our aim is to increase energy performance within buildings » Deliver energy projects to maximise customer return on…” Source: RevenueBase Database · checked Sep 16, 2026
20	Scis Group	Indirect evidence	Fareham, United KingdomHQ checked Sep 16, 2026	51-200	60 contacts →
	Indirect evidence “Hello.” Source: RevenueBase Database · checked Sep 16, 2026
21	Businesswise Solutions	Partial evidence	Nelson, United KingdomHQ checked Sep 16, 2026	11-50	54 contacts →
	Partial evidence “We’re an energy management consultancy specialising in supporting energy-intensive businesses with energy procurement, energy management, and sustainability challenges.” Source: RevenueBase Database · checked Sep 16, 2026
22	Advantage Utilities LTD	Partial evidence	London, United KingdomHQ checked Sep 16, 2026	11-50	50 contacts →
	Partial evidence “Advantage Utilities mission is to provide customers with a “One-Stop-Shop” for all their energy needs – with Market Leading Data/Expertise and Unrivalled “Drop Everything”…” Source: RevenueBase Database · checked Sep 16, 2026
23	Carbonxgen Limited	Partial evidence	Sandhurst, United KingdomHQ checked Sep 16, 2026	11-50	49 contacts →
	Partial evidence “Carbonxgen is a leading consultancy that specialises in solving complex energy and sustainability challenges.” Source: RevenueBase Database · checked Sep 16, 2026
24	Fusion For Business	Indirect evidence	Durham, United KingdomHQ checked Sep 16, 2026	51-200	49 contacts →
	Indirect evidence “At Fusion For Business, we believe in the value of genuine human connection - people doing business with people they trust.” Source: RevenueBase Database · checked Sep 16, 2026
25	ECBS	Indirect evidence	Hebburn, United KingdomHQ checked Sep 16, 2026	51-200	48 contacts →
	Indirect evidence “At ECBS we specialise in working with customers to significantly reduce their business utility costs and make the necessary steps towards a greener future.” Source: RevenueBase Database · checked Sep 16, 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: energy performance contracting companies. 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 energy performance contracting companies.
Partial evidence: Its own public description names part of energy performance contracting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name energy performance contracting companies. 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 560 energy performance contracting companies based in the United Kingdom

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Energy performance contracting companies based in the United Kingdom at a glance

As of Sep 16, 2026

32.0%Verified-email coverage

32.4Average contacts per company

1-10Median size (employees)

12.5%Largest-city concentration · London

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

343

11-50

165

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 560 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 energy performance contracting companies, 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 “energy performance contracting companies”. 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 energy performance contracting companies), 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 energy performance contracting companies, 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, 5,812 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 16, 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.

Energy performance contracting companies by metro

Energy performance contracting companies in London70

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 energy performance contracting companies, 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 energy performance contracting companies are there based in the United Kingdom?

RevenueBase identified 560 energy performance contracting companies 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?

British GAS, headquartered in Windsor, tops this list with the largest team on record.

Which city has the most energy performance contracting companies?

London leads with 70 headquartered companies, followed by Manchester (17) and Nottingham (12).

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 5,812 verified decision-maker contacts tracked across these 560 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 16, 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.