Company lists · Data refreshed September 2026
Top 25 Infrastructure project management companies based in the United Kingdom
RevenueBase identified 863 infrastructure project management companies headquartered in the United Kingdom as of September 2026 and tracks 62,230 professional contacts across them, including 22,012 with verified work emails. London is the largest hub.
This list covers infrastructure project management 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 20, 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 infrastructure project management companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 10,507 contacts → | ||||
Partial evidence “Balfour Beatty is a leading international infrastructure group.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 8,458 contacts → | ||||
Indirect evidence “Mace Consult launched as a new and independent business on 5 March 2026, through a carve-out from Mace Group.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 5,782 contacts → | ||||
Partial evidence “Ferrovial is a leading global infrastructure company transforming highways, airports, and energy around the world.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 3,785 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 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 3,095 contacts → | ||||
Partial 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 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 2,475 contacts → | ||||
Strong evidence “We deliver certainty, where it matters most Currie & Brown is a world leading project management, cost management and advisory services firm.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,837 contacts → | ||||
Partial evidence “Established in 1986, SEP has been the industry’s leader for site engineering, surveying and management solutions for over thirty years, providing vital services, resources and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 1,213 contacts → | ||||
Strong evidence “BakerHicks are a design, engineering and project delivery company specialising in complex infrastructure, process and built environments across the full project life cycle, from…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 1,194 contacts → | ||||
Indirect evidence “Faithful+Gould is now AtkinsRéalis.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,007 contacts → | ||||
Partial evidence “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 974 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 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 845 contacts → | ||||
Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 707 contacts → | ||||
Indirect evidence “Helping the world move forward with confidence.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 563 contacts → | ||||
Partial evidence “Waterman Group is a multidisciplinary consultancy providing sustainable solutions to meet the planning, engineering design and project delivery needs of the property…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 494 contacts → | ||||
Partial evidence “Infrastructure plays a critical role in creating a future that works for everyone.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 459 contacts → | ||||
Partial evidence “Colas is a world leader in the construction and maintenance of transport infrastructure.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 437 contacts → | ||||
Indirect evidence “Welcome to Fairhurst: Fairhurst is a Limited Liability Partnership (LLP) of Consulting Engineers practicing in the UK, employing circa 400 staff in 16 principal offices.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 412 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 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 342 contacts → | ||||
Strong evidence “CPC is an award-winning project management, cost management and building surveying consultancy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 266 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 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 234 contacts → | ||||
Strong evidence “blu-3 is a leading, fully integrated infrastructure provider, delivering expertise and extensive knowledge to the UK’s largest construction projects.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 197 contacts → | ||||
Partial evidence “InfraRed is a leading international mid-market infrastructure asset manager.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 190 contacts → | ||||
Strong evidence “Project Centre, part of Marston Holdings, is a multidisciplinary infrastructure and place consultancy shaping sustainable spaces across the UK.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 186 contacts → | ||||
Partial evidence “RSS Infrastructure (RSSI) is an award-winning multi-disciplinary service provider for the rail, construction and utilities sectors.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 175 contacts → | ||||
Partial evidence “At Potter Raper, we work with you to create buildings and infrastructure that enhances lives.” Source: RevenueBase Database · checked Sep 20, 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: infrastructure project management companies. 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 infrastructure project management companies.
- Partial evidence
- Its own public description names part of infrastructure project management companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name infrastructure project management companies. 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 863 infrastructure project management companies based in the United Kingdom
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Infrastructure project management companies based in the United Kingdom at a glance
As of Sep 20, 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 863 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 project management 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 project management 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 project management 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 project management 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, 22,012 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 20, 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 project management companies by metro
- Infrastructure project management companies in London182
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 project management 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 project management companies are there based in the United Kingdom?
RevenueBase identified 863 infrastructure project management 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 project management companies?
London leads with 182 headquartered companies, followed by Manchester (23) and Nottingham (13).
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 22,012 verified decision-maker contacts tracked across these 863 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 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 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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