Company lists · Data refreshed September 2026
Top 25 Carbon neutral construction firms based in the United Kingdom
RevenueBase identified 1,303 carbon neutral construction firms headquartered in the United Kingdom as of September 2026 and tracks 17,395 professional contacts across them, including 7,341 with verified work emails. London is the largest hub.
This list covers carbon neutral construction 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 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.
The 25 largest carbon neutral construction firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,131 contacts → | ||||
Indirect evidence “Marshalls is a leading manufacturer of sustainable solutions for the built environment.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 553 contacts → | ||||
Indirect evidence “VINCI Building delivers complex projects and programmes focussing on technical excellence and experience to sustainably deliver best value for our clients.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 379 contacts → | ||||
Indirect evidence “City Building is a highly successful and evolving business which has a proven track record of strategic delivery within the commercial marketplace.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 323 contacts → | ||||
Indirect evidence “As environmental design consultants, building services engineers and lighting designers, we are committed to high performance and sustainable design within the built environment.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 317 contacts → | ||||
Indirect evidence “Climate change is without a doubt the greatest challenge we face in these times.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 315 contacts → | ||||
Partial evidence “Stepnell is a trusted construction partner with more than 155 years of experience, delivering high-quality, sustainable solutions across England.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 208 contacts → | ||||
Indirect evidence “Max Fordham LLP is a partnership of engineers, designers and consultants, working with the built environment, to deliver a sustainable future and a thriving planet.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 192 contacts → | ||||
Indirect evidence “From the time we have spent working with some of the U.K.'s most prominent housing developers, we have become highly adept in supporting large-scale residential-led strategic…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 181 contacts → | ||||
Partial evidence “We are an award-winning, Manchester based, family-owned construction organisation with a clear and impactful vision that sits at the heart of our operation.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 147 contacts → | ||||
Indirect evidence “We believe in a bigger and better idea of engineering.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 133 contacts → | ||||
Indirect evidence “At Genuit Group, we’re driven by a clear purpose: to create a more sustainable built environment and a more resilient future for people and the planet.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 129 contacts → | ||||
Indirect evidence “WysePower, is the UK’s largest established nationwide provider of complete site solutions.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 123 contacts → | ||||
Indirect evidence “We’re an ambitious group of architects, designers and makers working throughout the UK and internationally.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 119 contacts → | ||||
Partial evidence “We are passionate about our purpose to provide high-quality, low carbon, sustainable building products, systems and solutions which help to manage the scarce resources of water…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 112 contacts → | ||||
Partial evidence “SRC Group are the UK’s leading circular economy construction business, providing construction materials, waste and contracting solutions throughout London and the Southeast.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 96 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 94 contacts → | ||||
Indirect evidence “Our vision at CG Fry & Son is to provide a quality service to all our customers across our range of services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 92 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 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 85 contacts → | ||||
Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 84 contacts → | ||||
Indirect 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 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 82 contacts → | ||||
Indirect evidence “AMD Environmental are a collaborative Mechanical and Electrical Design and Build Engineering specialist with a sustainable approach in delivering challenging and bespoke projects…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 77 contacts → | ||||
Indirect evidence “Innovaré Offsite is an Offsite specialist delivering #LowcarbonFireSafe structural solutions.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 72 contacts → | ||||
Indirect evidence “Bennetts Associates is one of the UK’s leading architectural practices, recognised for creating elegant, human-centred buildings through an ethos of doing ‘More With Less’.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 70 contacts → | ||||
Indirect evidence “Architype Ltd is an architectural practice working from offices in Hereford, London and Edinburgh.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 69 contacts → | ||||
Indirect evidence “EcoAct is now SE Advisory Services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
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: carbon neutral construction firms. 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 carbon neutral construction firms.
- Partial evidence
- Its own public description names part of carbon neutral construction firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name carbon neutral construction firms. 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 1,303 carbon neutral construction firms based in the United Kingdom
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Carbon neutral construction firms based in the United Kingdom at a glance
As of Sep 16, 2026Companies by employee count
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 1,303 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 carbon neutral construction 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 “carbon neutral construction 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 carbon neutral construction 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 carbon neutral construction 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, 7,341 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.
Carbon neutral construction 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 carbon neutral construction 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 carbon neutral construction firms are there based in the United Kingdom?
RevenueBase identified 1,303 carbon neutral construction 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?
Marshalls PLC, headquartered in Elland, tops this list with the largest team on record.
Which city has the most carbon neutral construction firms?
London leads with 303 headquartered companies, followed by Manchester (35) and Glasgow (25).
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 7,341 verified decision-maker contacts tracked across these 1,303 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.
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