Company lists · Data refreshed September 2026

Top 25 Embodied carbon assessment consultants based in the United Kingdom

RevenueBase identified 471 embodied carbon assessment consultants headquartered in the United Kingdom as of September 2026 and tracks 17,325 professional contacts across them, including 9,563 with verified work emails. London is the largest hub.

This list covers embodied carbon assessment consultants 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 19, 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 19, 2026 86% judged on-target in blind review
471Companies
17,325Contacts tracked
9,563Verified emails
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The 25 largest embodied carbon assessment consultants based in the United Kingdom

Ranked by team size
Top 25 of 471 embodied carbon assessment consultants based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to embodied carbon assessment consultants: 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
1Indirect evidenceLondon, United KingdomHQ checked Sep 19, 20265,001-10,0009,119 contacts →

Indirect evidence

“Sustainability is our business.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceLondon, United KingdomHQ checked Sep 19, 20261,001-5,0003,848 contacts →

Indirect evidence

“SLR is a committed partner in our clients’ sustainability journeys.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceBirmingham, United KingdomHQ checked Sep 19, 2026201-500317 contacts →

Indirect evidence

“Climate change is without a doubt the greatest challenge we face in these times.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceBirmingham, United KingdomHQ checked Sep 19, 2026501-1,000253 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 19, 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 19, 2026
6Partial evidenceLondon, United KingdomHQ checked Sep 19, 202651-200115 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceTiverton, United KingdomHQ checked Sep 19, 202651-20092 contacts →

Partial 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 19, 2026
8Partial evidenceLondon, United KingdomHQ checked Sep 19, 202651-20084 contacts →

Partial evidence

“We are a multidisciplinary group with backgrounds in engineering, architecture and environmental science, working as consultants for buildings, large developments and masterplans…”

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceGateshead, United KingdomHQ checked Sep 19, 202651-20081 contacts →

Partial 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 19, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 19, 2026201-50069 contacts →

Indirect evidence

“EcoAct is now SE Advisory Services.”

Source: RevenueBase Database · checked Sep 19, 2026
11Partial evidenceBlackpool, United KingdomHQ checked Sep 19, 202651-20065 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
12Strong evidenceEdinburgh, United KingdomHQ checked Sep 19, 202651-20061 contacts →

Strong 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 19, 2026
13Strong evidenceEpsom, United KingdomHQ checked Sep 19, 202651-20061 contacts →

Strong evidence

“We help organisations understand, measure, and meaningfully reduce their environmental impact through a unique combination of expert consultancy, advanced carbon accounting…”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceEdinburgh, United KingdomHQ checked Sep 19, 202651-20060 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceSwindon, United KingdomHQ checked Sep 19, 202651-20053 contacts →

Indirect evidence

“At Method Consulting, we are specialists in engineering and sustainability solutions, focusing on building services and sustainability for the built environment.”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceSunbury On Thames, United KingdomHQ checked Sep 19, 202651-20047 contacts →

Indirect evidence

“Watkins Payne was originally formed as a traditional partnership in 1970.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202611-5047 contacts →

Indirect evidence

“We are a team of sustainability engineers passionate about creating buildings with a positive impact on the environment and the community.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceOtley, United KingdomHQ checked Sep 19, 202611-5047 contacts →

Indirect evidence

“Our world faces unprecedented environmental challenges - from climate change, to biodiversity loss, pollution, and unsustainable resource use.”

Source: RevenueBase Database · checked Sep 19, 2026
19Partial evidenceLondon, United KingdomHQ checked Sep 19, 202611-5045 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202651-20045 contacts →

Indirect evidence

“We are a team of like-minded individuals delivering a commercially designed building services solution; we pride ourselves on the quality of our product.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202651-20042 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceSt Neots, United KingdomHQ checked Sep 19, 202611-5039 contacts →

Indirect evidence

“We are Energise – your sustainability partner.”

Source: RevenueBase Database · checked Sep 19, 2026
23Strong evidenceLondon, United KingdomHQ checked Sep 19, 2026n/a37 contacts →

Strong evidence

“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.”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceLondon, United KingdomHQ checked Sep 19, 202611-5034 contacts →

Partial evidence

“Envision is a specialist sustainability, energy and net zero design consultancy offering strategic and technical advice within the built environment and to businesses wishing to…”

Source: RevenueBase Database · checked Sep 19, 2026
25Partial evidenceLondon, United KingdomHQ checked Sep 19, 202611-5034 contacts →

Partial evidence

“We’re helping to create a world where every building is truly zero carbon.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 471 embodied carbon assessment consultants based in the United Kingdom

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Embodied carbon assessment consultants based in the United Kingdom at a glance

As of Sep 19, 2026
55.2%Verified-email coverage
36.8Average contacts per company
1-10Median size (employees)
27.2%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
344
11-50
94
51-200
21
201-500
5
501-1,000
1
1,001-5,000
1
5,001-10,000
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 471 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 embodied carbon assessment consultants, 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 “embodied carbon assessment consultants”. 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 embodied carbon assessment consultants), 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 embodied carbon assessment consultants, 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, 9,563 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 19, 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.

Embodied carbon assessment consultants by metro

  • Embodied carbon assessment consultants in London128

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 embodied carbon assessment consultants, 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 embodied carbon assessment consultants are there based in the United Kingdom?

RevenueBase identified 471 embodied carbon assessment consultants 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?

ERM, headquartered in London, tops this list with the largest team on record.

Which city has the most embodied carbon assessment consultants?

London leads with 128 headquartered companies, followed by Manchester (16) 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 9,563 verified decision-maker contacts tracked across these 471 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 19, 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.