Company lists · Data refreshed November 2026

Top 25 Carbon offset advisors based in the United Kingdom

RevenueBase identified 273 company matches for carbon offset advisors associated with the United Kingdom as of November 2026 and tracks 3,311 professional contacts across them, including 1,068 with verified work emails. London is the largest hub.

This list covers company matches for carbon offset advisors 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
273Companies
3,311Contacts tracked
1,068Verified emails
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The 25 largest carbon offset advisors based in the United Kingdom

Ranked by team size
Top 25 of 273 company matches for carbon offset advisors 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, 202651-200171 contacts →

Exact match

“Investing in carbon projects is essential to tackling climate change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Climate Impact Partners is the trusted partner for organizations taking ambitious climate action.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact 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
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“Circle are Carbon, Project, Cost and Quality experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-50050 contacts →

Exact match

“EcoAct is now SE Advisory Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchExeter, United KingdomHQ recorded Nov 6, 202611-5045 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Abatable is a leading provider of carbon credit procurement, intelligence, and advisory solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchJersey, United KingdomHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“TASC is a carbon finance and project development company with active projects in Australia, South Africa, and Zambia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBristol, United KingdomHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“We believe that if you understand your environmental targets, you will have a better understanding of their real-world impacts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a34 contacts →

Exact match

“Mitie’s knowledge of customer estates, combined with our ability to execute a zero carbon strategy from assessment through to delivery is, we believe, unrivalled.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBasingstoke, United KingdomHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“We help organisations meet their business objectives by enabling them to reduce carbon emissions, energy, and costs whilst developing robust environmental credentials.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchManchester, United KingdomHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Green Economy supports businesses as the UK transitions to net zero.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Carbonaires is a London based, values-driven carbon finance specialist.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“We are trusted experts in carbon measurement and reduction, specialising in packaging and print manufacturing, media and logistics sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWokingham, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Driving sustainable change is no easy task, but it’s what we do best.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMarlow, United KingdomHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“The Cost Reduction Company is dedicated to reducing the costs and reducing Carbon Footprint within any business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“edenseven is a management consultancy firm that helps companies of all sizes achieve their sustainability goals and work towards net zero emissions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCarlisle, United KingdomHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Working together for a Net-Zero future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“We are the sustainability consultancy specialising in the calculation, reduction and offsetting of carbon footprints, to support our clients on their journey to net-zero.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLeeds, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Tunley Environmental is a science-based environmental sustainability consultancy specialising in carbon, nature, water, regulatory compliance and sustainability training.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Zerogram helps organisations turn net zero ambitions into practical action, offering energy and carbon reduction, funding access, and project delivery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchIsle Of Wight, United KingdomHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“A team of leading low carbon energy professionals with global experience, each with a track record of individual success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchHampton Hill, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Carbon Architecture has spent the last twelve years helping energy intensive organisations optimise their processes.”

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

Showing 25 of 273 carbon offset advisors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,068 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Carbon offset advisors based in the United Kingdom at a glance

As of Nov 6, 2026
32.3%Verified-email coverage
12.1Average contacts per company
1-10Median size (employees)
36.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
194
11-50
59
51-200
13
201-500
3
501-1,000
1
1,001-5,000
1
10001+
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 273 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 “carbon offset advisors” 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 1,068 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.

Carbon offset advisors 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 “carbon offset advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many carbon offset advisors are there based in the United Kingdom?

RevenueBase identified 273 company matches for carbon offset advisors 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?

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

Which city has the most carbon offset advisors?

London leads with 99 company records, followed by Bristol (10) and Manchester (10).

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 1,068 professional contacts with verified work emails tracked across these 273 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.