Company lists · Data refreshed September 2026

Top 25 Infrastructure construction companies based in the United Kingdom

RevenueBase identified 1,239 infrastructure construction companies headquartered in the United Kingdom as of September 2026 and tracks 60,340 professional contacts across them, including 21,048 with verified work emails. London is the largest hub.

This list covers infrastructure construction companies 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 15, 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 15, 2026 86% judged on-target in blind review
1,239Companies
60,340Contacts tracked
21,048Verified emails
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The 25 largest infrastructure construction companies based in the United Kingdom

Ranked by team size
Top 25 of 1,239 infrastructure construction companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to infrastructure construction companies: 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 evidenceLondon, United KingdomHQ checked Sep 15, 202610001+10,507 contacts →

Partial evidence

“Balfour Beatty is a leading international infrastructure group.”

Source: RevenueBase Database · checked Sep 15, 2026
2Partial evidenceLondon, United KingdomHQ checked Sep 15, 20261,001-5,0003,785 contacts →

Partial evidence

“Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.”

Source: RevenueBase Database · checked Sep 15, 2026
3Partial evidenceUxbridge, United KingdomHQ checked Sep 15, 20261,001-5,0003,196 contacts →

Partial evidence

“Galliford Try is a leading UK contractor, and a member of the FTSE 250, passionate about providing high quality buildings and infrastructure for communities across the nation.”

Source: RevenueBase Database · checked Sep 15, 2026
4Strong evidenceLondon, United KingdomHQ checked Sep 15, 20261,001-5,0003,095 contacts →

Strong evidence

“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.”

Source: RevenueBase Database · checked Sep 15, 2026
5Indirect evidenceHarefield, United KingdomHQ checked Sep 15, 20261,001-5,0001,218 contacts →

Indirect evidence

“The Clancy Group was founded in 1958 by Michael Clancy as M.J.”

Source: RevenueBase Database · checked Sep 15, 2026
6Strong evidenceStirling, United KingdomHQ checked Sep 15, 20261,001-5,0001,090 contacts →

Strong evidence

“We’re one of the largest family-owned construction, infrastructure and support services businesses in the UK, and we apply the same principles to every aspect of our business…”

Source: RevenueBase Database · checked Sep 15, 2026
7Partial evidenceSevenoaks, United KingdomHQ checked Sep 15, 20261,001-5,000974 contacts →

Partial evidence

“FM Conway is a leading infrastructure services company delivering vital services in transportation, the built environment and open spaces for communities and businesses.”

Source: RevenueBase Database · checked Sep 15, 2026
8Partial evidenceHoddesdon, United KingdomHQ checked Sep 15, 20261,001-5,000863 contacts →

Partial evidence

“VolkerFitzpatrick is a multi-disciplinary contractor working in the civil engineering, building, rail, waste and energy infrastructure sectors.”

Source: RevenueBase Database · checked Sep 15, 2026
9Indirect evidenceBarnsley, United KingdomHQ checked Sep 15, 20261,001-5,000845 contacts →

Indirect evidence

“Who are we?”

Source: RevenueBase Database · checked Sep 15, 2026
10Indirect evidenceWalsall, United KingdomHQ checked Sep 15, 20261,001-5,000803 contacts →

Indirect evidence

“Barhale was formed in 1980 as a specialist tunnelling contractor and grew initially through the successful delivery of projects in the water sector, developing mechanical and…”

Source: RevenueBase Database · checked Sep 15, 2026
11Indirect evidenceLondon, United KingdomHQ checked Sep 15, 20261,001-5,000707 contacts →

Indirect evidence

“Helping the world move forward with confidence.”

Source: RevenueBase Database · checked Sep 15, 2026
12Indirect evidenceWarrington, United KingdomHQ checked Sep 15, 20261,001-5,000644 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 15, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 15, 20261,001-5,000583 contacts →

Indirect evidence

“Aureos is a multi-disciplinary energy, transport networks specialist and engineering services provider, spanning the design, engineering, installation, maintenance, and crisis…”

Source: RevenueBase Database · checked Sep 15, 2026
14Indirect evidenceBelfast, United KingdomHQ checked Sep 15, 2026501-1,000571 contacts →

Indirect evidence

“Farrans is a leading civil engineering and building contractor which specialises in innovative and sustainable solutions for the water, energy, aviation, transportation, marine…”

Source: RevenueBase Database · checked Sep 15, 2026
15Indirect evidenceNewtownabbey, United KingdomHQ checked Sep 15, 2026501-1,000565 contacts →

Indirect evidence

“We work with our clients to shape the built environment in a sustainable and considerate way.”

Source: RevenueBase Database · checked Sep 15, 2026
16Indirect evidenceWatford, United KingdomHQ checked Sep 15, 2026501-1,000553 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 15, 2026
17Strong evidenceLondon, United KingdomHQ checked Sep 15, 20261,001-5,000482 contacts →

Strong evidence

“Kilnbridge is the UK’s leading structures specialist, delivering some of the most complex and iconic construction and infrastructure projects nationwide for 35 years.”

Source: RevenueBase Database · checked Sep 15, 2026
18Strong evidenceBirmingham Business Park, United KingdomHQ checked Sep 15, 20261,001-5,000459 contacts →

Strong evidence

“Colas is a world leader in the construction and maintenance of transport infrastructure.”

Source: RevenueBase Database · checked Sep 15, 2026
19Indirect evidenceAbergavenny, United KingdomHQ checked Sep 15, 2026201-500412 contacts →

Indirect evidence

“Welcome to / Croeso i Griffiths We are a sustainable civil engineering contractor that helps connect communities through road, rail, water, and utilities.”

Source: RevenueBase Database · checked Sep 15, 2026
20Partial evidenceLondon, United KingdomHQ checked Sep 15, 20261,001-5,000397 contacts →

Partial evidence

“Operating in the Construction market since 1996, CONTRACTA GROUP is responsible for the execution of several public and private projects throughout the country, having public…”

Source: RevenueBase Database · checked Sep 15, 2026
21Indirect evidenceBamber Bridge, United KingdomHQ checked Sep 15, 20261,001-5,000324 contacts →

Indirect evidence

“Sapphire Utility Solutions has quickly become a trusted name in the utility, transport and highways sectors, known for our capabilities in delivering innovative solutions to meet…”

Source: RevenueBase Database · checked Sep 15, 2026
22Indirect evidenceHarrow, United KingdomHQ checked Sep 15, 2026501-1,000304 contacts →

Indirect evidence

“J Coffey Group is a collection of specialist building companies, with an extensive experience of more than three decades.”

Source: RevenueBase Database · checked Sep 15, 2026
23Indirect evidenceIpswich, United KingdomHQ checked Sep 15, 2026201-500294 contacts →

Indirect evidence

“Jackson is a straight-talking no nonsense Civil Engineering Contractor.”

Source: RevenueBase Database · checked Sep 15, 2026
24Indirect evidenceBasildon, United KingdomHQ checked Sep 15, 202651-200275 contacts →

Indirect evidence

“Tunnelcraft Ltd is currently working for the BAM Nuttall.”

Source: RevenueBase Database · checked Sep 15, 2026
25Partial evidenceSouthampton, United KingdomHQ checked Sep 15, 2026501-1,000266 contacts →

Partial evidence

“Founded in 1979, Dyer & Butler is a multi-disciplined engineering services specialist focused on transport infrastructure including airports, rail and underground.”

Source: RevenueBase Database · checked Sep 15, 2026

Showing 25 of 1,239 infrastructure construction companies based in the United Kingdom

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Infrastructure construction companies based in the United Kingdom at a glance

As of Sep 15, 2026
34.9%Verified-email coverage
48.7Average contacts per company
11-50Median size (employees)
12.0%Largest-city concentration · London
Sep 15, 2026Page data refreshed

Companies by employee count

1-10
443
11-50
403
51-200
238
201-500
65
501-1,000
30
1,001-5,000
36
5,001-10,000
2
10001+
9

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 1,239 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 infrastructure construction companies, 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 “infrastructure construction companies”. 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 infrastructure construction companies), 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 infrastructure construction companies, 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, 21,048 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 15, 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.

Infrastructure construction companies by metro

  • Infrastructure construction companies in London149

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 infrastructure construction companies, 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 infrastructure construction companies are there based in the United Kingdom?

RevenueBase identified 1,239 infrastructure construction companies 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?

Balfour Beatty PLC, headquartered in London, tops this list with the largest team on record.

Which city has the most infrastructure construction companies?

London leads with 149 headquartered companies, followed by Birmingham (22) and Manchester (22).

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 21,048 verified decision-maker contacts tracked across these 1,239 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 15, 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.