Company lists · Data refreshed November 2026

Top 25 Rail infrastructure engineering companies based in the United Kingdom

RevenueBase identified 1,423 company matches for rail infrastructure engineering companies associated with the United Kingdom as of November 2026 and tracks 85,070 professional contacts across them, including 32,207 with verified work emails. London is the largest hub.

This list covers company matches for rail infrastructure engineering companies 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 November 6, 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 Nov 6, 2026 How this list was built
1,423Companies
85,070Contacts tracked
32,207Verified emails
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The 25 largest rail infrastructure engineering companies based in the United Kingdom

Ranked by team size
Top 25 of 1,423 company matches for rail infrastructure engineering companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMilton Keynes, United KingdomHQ recorded Nov 6, 202610001+25,837 contacts →

Exact match

“We’re at the heart of revitalising Britain’s railway, getting people and goods where they need to be and supporting the economy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202610001+12,582 contacts →

Exact match

“Hitachi Rail is committed to driving a sustainable mobility transition and helping every passenger, customer and community enjoy more connected, seamless and sustainable transport.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0003,366 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,172 contacts →

Exact match

“Faithful+Gould is now AtkinsRéalis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000905 contacts →

Exact match

“Colas Rail is one of Europe’s leading suppliers of railway infrastructure services, we are award-winning specialists having constructed all forms of railways across Europe and the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBarnsley, United KingdomHQ recorded Nov 6, 20261,001-5,000871 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDoncaster, United KingdomHQ recorded Nov 6, 20261,001-5,000821 contacts →

Exact match

“Since entering the construction market in 1935, VolkerRail has become one of the UK’s leading multidisciplinary railway infrastructure contractors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000760 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCarlisle, United KingdomHQ recorded Nov 6, 2026501-1,000626 contacts →

Exact match

“With regional offices across England and Scotland, Story is highly respected nationally for providing award-winning rail, plant and construction solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000607 contacts →

Exact match

“Waterman Group is a multidisciplinary consultancy providing sustainable solutions to meet the planning, engineering design and project delivery needs of the property…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchStrathaven, United KingdomHQ recorded Nov 6, 2026501-1,000536 contacts →

Exact match

“QTS is one of the country’s leading railways contractors, founded by MD, Alan McLeish.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchStaines-upon-thames, United KingdomHQ recorded Nov 6, 20261,001-5,000517 contacts →

Exact match

“Imtech has rebranded to Dalkia UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGlasgow, United KingdomHQ recorded Nov 6, 2026201-500467 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500355 contacts →

Exact match

“At VVB, we deliver mechanical, electrical, telecommunication, temporaries and fire engineering expertise and services for large-scale infrastructure projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCoatbridge, United KingdomHQ recorded Nov 6, 2026501-1,000337 contacts →

Exact match

“SPL Powerlines UK & I is a leading multi-disciplinary infrastructure specialist, offering end-to-end delivery across both rail and energy sectors with capabilities that set us…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSalford, United KingdomHQ recorded Nov 6, 202651-200288 contacts →

Exact match

“The ISS Management team has over 25 years experience of delivering innovative and pro-active solutions to the rail and light-rail industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSouthampton, United KingdomHQ recorded Nov 6, 2026501-1,000272 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000270 contacts →

Exact match

“Cleshar delivers multidisciplinary services to the rail infrastructure sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCorby, United KingdomHQ recorded Nov 6, 20261,001-5,000269 contacts →

Exact match

“MPB Structures Limited is a family owned infrastructure and UK top 10 Concrete Frame Contractor with specialities in earthworks, drainage, substructure, reinforced concrete works…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNottingham, United KingdomHQ recorded Nov 6, 2026501-1,000264 contacts →

Exact match

“Bridgeway Consulting Ltd is one of the leading civil engineering contractors and HSQE specialists in the UK today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHull, United KingdomHQ recorded Nov 6, 2026201-500254 contacts →

Exact match

“Established in 1989 by our Executive Chairman, Charlie Spencer OBE, Spencer Group is one of the UK’s largest independent, family owned multi-disciplinary engineering businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMelksham, United KingdomHQ recorded Nov 6, 2026501-1,000235 contacts →

Exact match

“Knorr-Bremse Rail Systems (UK) Ltd is a member of the global Knorr-Bremse Group, a world leader in on-board systems and service support for rail vehicles.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchUxbridge, United KingdomHQ recorded Nov 6, 2026201-500216 contacts →

Exact match

“Pod-Trak is a privately owned, multi-disciplinary infrastructure contractor operating across the UK, Ireland, and Europe since 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchStratford, United KingdomHQ recorded Nov 6, 2026501-1,000204 contacts →

Exact match

“Quattro Group is an infrastructure specialist, providing professionally operated equipment services to the rail, road and construction industries, nationwide, 24-7.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBirmingham, United KingdomHQ recorded Nov 6, 20261,001-5,000195 contacts →

Exact match

“RSS Infrastructure (RSSI) is an award-winning multi-disciplinary service provider for the rail, construction and utilities sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,423 rail infrastructure engineering companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 32,207 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Rail infrastructure engineering companies based in the United Kingdom at a glance

As of Nov 6, 2026
37.9%Verified-email coverage
59.8Average contacts per company
11-50Median size (employees)
16.4%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
651
11-50
422
51-200
210
201-500
51
501-1,000
18
1,001-5,000
19
5,001-10,000
3
10001+
8

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 1,423 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 “rail infrastructure engineering companies” 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 32,207 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 November 6, 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 “rail infrastructure engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many rail infrastructure engineering companies are there based in the United Kingdom?

RevenueBase identified 1,423 company matches for rail infrastructure engineering companies associated with the United Kingdom as of November 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?

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

Which city has the most rail infrastructure engineering companies?

London leads with 233 company records, followed by Derby (35) and Birmingham (33).

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 32,207 professional contacts with verified work emails tracked across these 1,423 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 November 6, 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.