Company lists · Data refreshed September 2026

Top 25 Energy compliance consulting firms based in the United Kingdom

RevenueBase identified 744 energy compliance consulting firms headquartered in the United Kingdom as of September 2026 and tracks 5,847 professional contacts across them, including 2,755 with verified work emails. London is the largest hub.

This list covers energy compliance consulting firms 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 28, 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 28, 2026 86% judged on-target in blind review
744Companies
5,847Contacts tracked
2,755Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy compliance consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 744 energy compliance consulting firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to energy compliance consulting firms: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceStratford-upon-avon, United KingdomHQ checked Sep 28, 2026201-500347 contacts →

Partial evidence

“Valpak, a Reconomy brand, is an EcoVadis Platinum certified leader in environmental compliance, recycling, and sustainability solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
2Strong evidenceLeicester, United KingdomHQ checked Sep 28, 202651-200129 contacts →

Strong evidence

“Recognised as the Consultancy of the Year in 2021 by Energy Live News, Consultus delivers world-class consulting, buying and management services for Business Energy and Business…”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceCardiff, United KingdomHQ checked Sep 28, 202651-200124 contacts →

Partial evidence

“We are an award-winning energy consultancy and certified B Corp™.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202651-200115 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 28, 2026
5Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-200115 contacts →

Partial evidence

“Longevity Partners is a multidisciplinary energy and sustainability consultancy.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceDoxford International Business Park, United KingdomHQ checked Sep 28, 202651-200106 contacts →

Partial evidence

“Managing business energy can be overwhelming.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceTiverton, United KingdomHQ checked Sep 28, 202651-20092 contacts →

Indirect evidence

“AES Sustainability Consultants is a leading technical consultancy that delivers value engineered solutions across the homebuilding and construction industries.”

Source: RevenueBase Database · checked Sep 28, 2026
8Strong evidenceAberdeen, United KingdomHQ checked Sep 28, 202651-20090 contacts →

Strong evidence

“Katoni provides consulting, engineering, optimisation and emissions reduction support for the Energy Sector.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceSunderland, United KingdomHQ checked Sep 28, 202651-20090 contacts →

Partial evidence

“The Green Energy Advice Bureau are a leading independent award-winning UK commercial energy consultancy.”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026201-50088 contacts →

Partial evidence

“Alfa Energy Group (an Edison Energy company) is an international energy, sustainability and technology consultant partner with 200 employees over four international locations.”

Source: RevenueBase Database · checked Sep 28, 2026
11Strong evidenceGateshead, United KingdomHQ checked Sep 28, 202651-20081 contacts →

Strong evidence

“We enable businesses to succeed in the environmental components of their ESG strategies through comprehensive net zero consulting services and ground-breaking carbon and energy…”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceMilton Keynes, United KingdomHQ checked Sep 28, 202651-20069 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 28, 2026
13Partial evidenceTeam Valley, United KingdomHQ checked Sep 28, 202611-5066 contacts →

Partial evidence

“We bring good energy to the table to help you save yours.”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceEdinburgh, United KingdomHQ checked Sep 28, 202651-20061 contacts →

Partial evidence

“Rybka is a leading Building Services Engineering, Low Carbon and Sustainability Consultancy with a wide geographical spread and a focus on providing commercially viable, energy…”

Source: RevenueBase Database · checked Sep 28, 2026
15Strong evidenceEdinburgh, United KingdomHQ checked Sep 28, 202651-20060 contacts →

Strong evidence

“RSP Consulting Engineers LLP are leaders in sustainable and low energy building services design.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceNelson, United KingdomHQ checked Sep 28, 202611-5054 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 28, 2026
17Partial evidenceLeicester, United KingdomHQ checked Sep 28, 202611-5053 contacts →

Partial evidence

“UCR Consultants is a company dedicated to providing their clients with an impartial, professional service and a fair price for the energy they use.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5050 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 28, 2026
19Partial evidenceSandhurst, United KingdomHQ checked Sep 28, 202611-5049 contacts →

Partial evidence

“Carbonxgen is a leading consultancy that specialises in solving complex energy and sustainability challenges.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceDurham, United KingdomHQ checked Sep 28, 202651-20049 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 28, 2026
21Indirect evidenceNewcastle, United KingdomHQ checked Sep 28, 202651-20049 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202651-20042 contacts →

Indirect evidence

“At Eight Versa, we deliver a new direction for a balanced future.”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceWhite Moss Business Park, United KingdomHQ checked Sep 28, 202611-5042 contacts →

Partial evidence

“Cotopaxi Energy is an independent engineering consultancy specialising in utility and carbon reduction.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceManchester, United KingdomHQ checked Sep 28, 202611-5041 contacts →

Partial evidence

“At Envantage, you will find the brightest and best experts in low carbon and business energy.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceBirmingham, United KingdomHQ checked Sep 28, 202611-5041 contacts →

Indirect evidence

“If you need a professional consultancy to assist you with your building engineering services needs, then SVM Associates can help.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 744 energy compliance consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,755 reachable decision-makers.

Free signup · no credit card

View the full list →

Energy compliance consulting firms based in the United Kingdom at a glance

As of Sep 28, 2026
47.1%Verified-email coverage
7.9Average contacts per company
1-10Median size (employees)
15.5%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
504
11-50
191
51-200
36
201-500
3
501-1,000
2
1,001-5,000
1

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 744 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 compliance consulting firms, 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 compliance consulting firms”. 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 compliance consulting firms), 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 compliance consulting firms, 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, 2,755 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 28, 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 compliance consulting firms by metro

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 compliance consulting firms, 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 compliance consulting firms are there based in the United Kingdom?

RevenueBase identified 744 energy compliance consulting firms 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?

Valpak Limited, headquartered in Stratford-Upon-Avon, tops this list with the largest team on record.

Which city has the most energy compliance consulting firms?

London leads with 115 headquartered companies, followed by Manchester (24) and Bristol (14).

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 2,755 verified decision-maker contacts tracked across these 744 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 744 energy compliance consulting firms based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.