Company lists · Data refreshed November 2026

Top 25 Decarbonization strategy consultants based in the United Kingdom

RevenueBase identified 834 company matches for decarbonization strategy consultants associated with the United Kingdom as of November 2026 and tracks 11,096 professional contacts across them, including 3,968 with verified work emails. London is the largest hub.

This list covers company matches for decarbonization strategy consultants 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 November 6, 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 Nov 6, 2026 How this list was built
834Companies
11,096Contacts tracked
3,968Verified emails
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The 25 largest decarbonization strategy consultants based in the United Kingdom

Ranked by team size
Top 25 of 834 company matches for decarbonization strategy consultants based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a645 contacts →

Exact match

“For over 26 years, our consultants have been supporting and guiding our clients to achieve low-carbon climate-resilient development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500391 contacts →

Exact match

“Our mission is to accelerate the move to a decarbonised future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRedditch, United KingdomHQ recorded Nov 6, 202651-200320 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchStoke On Trent, United KingdomHQ recorded Nov 6, 2026501-1,000226 contacts →

Exact match

“Wardell Armstrong is now part of SLR which is a leading global consultancy, accelerating our ability to deliver the net zero transition and helping our clients address critical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCardiff, United KingdomHQ recorded Nov 6, 2026501-1,000224 contacts →

Exact match

“Avantis Group, based in the UK, is a global leader in energy and transportation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKirkham, United KingdomHQ recorded Nov 6, 2026501-1,000215 contacts →

Exact match

“Inspired PLC is a leading technology-enabled provider of energy and sustainability solutions that allow UK and Irish businesses to transition to net-zero carbon and manage their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“CFP Energy is a leading provider of energy and environmental solutions for industrial and commercial clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchChilworth, United KingdomHQ recorded Nov 6, 202651-200166 contacts →

Exact match

“Zenergi supports and empowers your journey to net zero.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500155 contacts →

Exact match

“We help our clients to invest in and navigate the energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLeicester, United KingdomHQ recorded Nov 6, 202651-200142 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-200135 contacts →

Exact match

“Optimised exists to accelerate the shift to a low-carbon future by making energy management work; commercially, operationally and sustainably.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200128 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNorwich, United KingdomHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“Cornwall Insight are trusted independent experts in the energy industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200112 contacts →

Exact match

“Ecolibrium is a sustainability tech company that empowers people to make better decisions based on proven data-driven ML algorithms through continuous monitoring, analysis and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202651-20096 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGuildford, United KingdomHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“True Group empowers business leaders like you with the clarity and confidence to make planet-saving decisions and create a competitive edge through energy and sustainability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-50083 contacts →

Exact match

“First Mode develops and manufactures decarbonization solutions for heavy industry partners dedicated to the clean energy future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCardiff, United KingdomHQ recorded Nov 6, 202651-20074 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchExeter, United KingdomHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“CARBON FIRST ENGINEERING City Science is the first engineering company dedicated to decarbonisation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Storegga, a business established in 2020 as an independent champion for the development of carbon reduction and carbon removal technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCrewe, United KingdomHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“Our mission at The Miles Consultancy (TMC) is to empower businesses with innovative, digital solutions and data-driven insights that reduce costs, lower carbon emissions and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBlackpool, United KingdomHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“From world famous brands to multi-national industrials, we strive to make carbon net zero ambitions a reality; by benchmarking where you are today to developing a robust net zero…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchWynyard, United KingdomHQ recorded Nov 6, 202611-5068 contacts →

Exact match

“JBA are industry-leading consultants, providing flexible engineering and design solutions, procurement, and construction services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 834 decarbonization strategy consultants based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 3,968 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Decarbonization strategy consultants based in the United Kingdom at a glance

As of Nov 6, 2026
35.8%Verified-email coverage
13.3Average contacts per company
1-10Median size (employees)
39.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
569
11-50
197
51-200
41
201-500
11
501-1,000
6
1,001-5,000
2
5,001-10,000
1
10001+
3

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 834 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 “decarbonization strategy consultants” 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 3,968 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 November 6, 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.

Decarbonization strategy consultants 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 “decarbonization strategy consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many decarbonization strategy consultants are there based in the United Kingdom?

RevenueBase identified 834 company matches for decarbonization strategy consultants associated with the United Kingdom as of November 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?

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

Which city has the most decarbonization strategy consultants?

London leads with 330 company records, followed by Edinburgh (22) and Manchester (20).

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 3,968 professional contacts with verified work emails tracked across these 834 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 November 6, 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.