Company lists · Data refreshed October 2026

Top 25 Infrastructure asset management firms based in the United Kingdom

RevenueBase identified 294 company matches for infrastructure asset management firms associated with the United Kingdom as of October 2026 and tracks 19,794 professional contacts across them, including 7,264 with verified work emails. London is the largest hub.

This list covers company matches for infrastructure asset management 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 October 16, 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 Oct 16, 2026 How this list was built
294Companies
19,794Contacts tracked
7,264Verified emails
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The 25 largest infrastructure asset management firms based in the United Kingdom

Ranked by team size
Top 25 of 294 company matches for infrastructure asset management firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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 Oct 16, 202610001+6,933 contacts →

Exact match

“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 16, 20261,001-5,0001,814 contacts →

Exact match

“M&G Investments is a global asset manager.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3Exact matchSevenoaks, United KingdomHQ recorded Oct 16, 20261,001-5,000997 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 · Oct 16, 2026 · View company records in RevenueBase
4Exact matchCannock, United KingdomHQ recorded Oct 16, 20261,001-5,000647 contacts →

Exact match

“Briggs Equipment is a unique asset management and Engineering services provider that adds value by delivering real innovation.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5Exact matchBirmingham Business Park, United KingdomHQ recorded Oct 16, 20261,001-5,000467 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6Exact matchBamber Bridge, United KingdomHQ recorded Oct 16, 20261,001-5,000333 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7Exact matchReading, United KingdomHQ recorded Oct 16, 2026501-1,000252 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 · Oct 16, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 16, 202651-200244 contacts →

Exact match

“John Laing is a leading international investor and active manager of core infrastructure assets.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 16, 2026201-500232 contacts →

Exact match

“We are a responsible investor, investing in, developing and managing global infrastructure assets, which materially contribute to the lives of the communities they serve.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact matchPenkridge, United KingdomHQ recorded Oct 16, 2026201-500212 contacts →

Exact match

“Carnell provide specialist maintenance and support services that help ensure safety and efficiency for the UK’s highway infrastructure.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11Exact matchWimbledon, United KingdomHQ recorded Oct 16, 2026501-1,000211 contacts →

Exact match

“You have probably benefitted from a service we have helped fix, build or maintain if you live or have visited the southern region of the UK.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 16, 202651-200191 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 16, 202651-200170 contacts →

Exact match

“Amber is part of Boyd Watterson Global Asset Management Group LLC (‘Boyd’), a global diversified infrastructure, real estate and fixed income business with over $39bn in assets…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14Exact matchWimbledon, United KingdomHQ recorded Oct 16, 2026n/a158 contacts →

Exact match

“The DORIS brand delivers engineering services that enable change across the energy industry.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 16, 2026201-500156 contacts →

Exact match

“AMCL is recognised as the world’s leading specialist infrastructure, asset management and asset information consultancy.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16Exact matchGlasgow, United KingdomHQ recorded Oct 16, 2026201-500140 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 · Oct 16, 2026 · View company records in RevenueBase
17Exact matchBelfast, United KingdomHQ recorded Oct 16, 202651-200137 contacts →

Exact match

“THE STRATEGIC INVESTMENT BOARD LIMITED Company description: SIB supports government departments, local authorities and other public bodies by helping them plan infrastructure…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18Exact matchFareham, United KingdomHQ recorded Oct 16, 202651-200135 contacts →

Exact match

“The Corrigenda team provides a national and regional Specialist Integrated Facilities Service to our clients, alongside the asset management, energy management, capital projects…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19Exact matchChichester, United KingdomHQ recorded Oct 16, 2026201-500121 contacts →

Exact match

“Concept delivers property maintenance, compliance, refurbishment and infrastructure-related services for organisations across defence, education, healthcare, commercial…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 16, 202651-200119 contacts →

Exact match

“Sustainable Value Creation Through Partnership We seek to deliver sustainable returns through investment in mature, stable, infrastructure businesses.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 16, 202651-200107 contacts →

Exact match

“Stafford Capital Partners ("Stafford") is an independent private markets investment and advisory firm with USD 8.9bn in assets under management and advice for more than 150+…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 16, 2026201-500106 contacts →

Exact match

“SRC Infrastructure has been providing project management and engineering advisory, consultancy and managed service solutions to UK infrastructure clients for 20 years.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23Exact matchEdinburgh, United KingdomHQ recorded Oct 16, 202651-200104 contacts →

Exact match

“Resolis is redefining service provision for investments in the arena.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24Exact matchBristol, United KingdomHQ recorded Oct 16, 2026201-50098 contacts →

Exact match

“As one of the largest SPV and Asset Management service providers to the / PFI infrastructure market, Semperian as a Trusted Partner seeks to protect and enhance the value of its…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25Exact matchPreston, United KingdomHQ recorded Oct 16, 202651-20090 contacts →

Exact match

“XAIS-PTS provide end-to-end Infrastructure Asset Management services incorporating asset management and engineering consultancy, infrastructure asset management systems, and…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase

Showing 25 of 294 infrastructure asset management firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 7,264 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure asset management firms based in the United Kingdom at a glance

As of Oct 16, 2026
36.7%Verified-email coverage
67.3Average contacts per company
11-50Median size (employees)
42.9%Largest-city concentration · London
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
125
11-50
83
51-200
46
201-500
17
501-1,000
6
1,001-5,000
10
5,001-10,000
1
10001+
2

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 294 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 asset management 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 7,264 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 October 16, 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.

Infrastructure asset management firms by metro

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 asset management firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 294 company matches for infrastructure asset management firms associated with the United Kingdom as of October 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?

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

Which city has the most infrastructure asset management firms?

London leads with 126 company records, followed by Aberdeen (7) and Bristol (6).

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 7,264 professional contacts with verified work emails tracked across these 294 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 October 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 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.