Company lists · Data refreshed September 2026

Top 25 Infrastructure development firms based in the United Kingdom

RevenueBase identified 727 company matches for infrastructure development firms associated with the United Kingdom as of September 2026 and tracks 40,388 professional contacts across them, including 11,861 with verified work emails. London is the largest hub.

This list covers company matches for infrastructure development firms 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 September 20, 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 Sep 20, 2026 How this list was built
727Companies
40,388Contacts tracked
11,861Verified emails
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The 25 largest infrastructure development firms based in the United Kingdom

Ranked by team size
Top 25 of 727 company matches for infrastructure development firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 Sep 20, 202610001+10,507 contacts →

Exact match

“Balfour Beatty is a leading international infrastructure group.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchAmsterdam, United KingdomHQ recorded Sep 20, 202610001+5,782 contacts →

Exact match

“Ferrovial is a leading global infrastructure company transforming highways, airports, and energy around the world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 20, 20261,001-5,0003,095 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchSevenoaks, United KingdomHQ recorded Sep 20, 20261,001-5,000974 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchBarnsley, United KingdomHQ recorded Sep 20, 20261,001-5,000845 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchWatford, United KingdomHQ recorded Sep 20, 2026501-1,000631 contacts →

Exact match

“Engineering sustainable infrastructure for today and tomorrow.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchBirmingham Business Park, United KingdomHQ recorded Sep 20, 20261,001-5,000459 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchAbergavenny, United KingdomHQ recorded Sep 20, 2026201-500412 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 20, 20265,001-10,000315 contacts →

Exact match

“Morgan Sindall Group plc, the Partnerships, Fit Out and Construction Services Group, reported annual revenues of £5bn in full year 2025, employing over 8,500 employees and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchBasildon, United KingdomHQ recorded Sep 20, 202651-200275 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchSouthampton, United KingdomHQ recorded Sep 20, 2026501-1,000266 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchReading, United KingdomHQ recorded Sep 20, 2026501-1,000265 contacts →

Exact match

“The Readypower Group brings together three specialist businesses: Readypower Rail Services, delivering critical infrastructure solutions across the network; Readypower Terrawise…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchWorcester, United KingdomHQ recorded Sep 20, 202651-200244 contacts →

Exact match

“VolkerLaser is the UK's leading multi-functional contractor.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchIpswich, United KingdomHQ recorded Sep 20, 2026201-500208 contacts →

Exact match

“From formation in 1963 to today, we have grown to provide civil engineering services to almost two thirds of the country from our offices in Suffolk, Cambridgeshire, Yorkshire…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200197 contacts →

Exact match

“InfraRed is a leading international mid-market infrastructure asset manager.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchBedford, United KingdomHQ recorded Sep 20, 2026501-1,000192 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 20, 2026201-500190 contacts →

Exact match

“Project Centre, part of Marston Holdings, is a multidisciplinary infrastructure and place consultancy shaping sustainable spaces across the UK.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchGlasgow, United KingdomHQ recorded Sep 20, 2026201-500172 contacts →

Exact match

“RJ McLeod stands as one of the country’s leading civil engineering and building contractors.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchWidnes, United KingdomHQ recorded Sep 20, 2026201-500170 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchCrondall, United KingdomHQ recorded Sep 20, 2026201-500160 contacts →

Exact match

“Trading for over 50 years, Natta as a Principal Contractor specialises in civil engineering projects comprising section 278 and 38 infrastructure roads, sewers and services…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchBraintree, United KingdomHQ recorded Sep 20, 2026201-500158 contacts →

Exact match

“Tamdown is a market leading provider of infrastructure, groundworks and civil engineering services for residential, commercial and public sector developments in the South East of…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200150 contacts →

Exact match

“Rendel celebrated its 185th Anniversary in 2024, making us one of the oldest civil and structural engineering companies in the UK.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchChelmsford, United KingdomHQ recorded Sep 20, 2026201-500145 contacts →

Exact match

“Marlborough is a dynamic, independent civil engineering company with 30 years’ experience in every aspect of traditional and contemporary civil engineering work.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchGlasgow, United KingdomHQ recorded Sep 20, 2026201-500136 contacts →

Exact match

“Mackenzie Construction is a contractor positioned to design and construct infrastructure and building assets for public and private sector clients.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchCardiff Road, United KingdomHQ recorded Sep 20, 2026201-500136 contacts →

Exact match

“We’re envolve, specialist civil engineers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 727 infrastructure development firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 11,861 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure development firms based in the United Kingdom at a glance

As of Sep 20, 2026
29.4%Verified-email coverage
55.6Average contacts per company
11-50Median size (employees)
19.9%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
296
11-50
231
51-200
120
201-500
43
501-1,000
11
1,001-5,000
10
5,001-10,000
2
10001+
5

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 727 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 “infrastructure development firms” 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 11,861 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 September 20, 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.

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 “infrastructure development firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure development firms are there based in the United Kingdom?

RevenueBase identified 727 company matches for infrastructure development firms associated with the United Kingdom as of September 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?

Balfour Beatty PLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most infrastructure development firms?

London leads with 145 company records, followed by Manchester (10) and Glasgow (9).

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 11,861 professional contacts with verified work emails tracked across these 727 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 September 20, 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.