Company lists · Data refreshed September 2026

Top 25 Railway infrastructure contractors based in the United Kingdom

RevenueBase identified 1,005 company matches for railway infrastructure contractors associated with the United Kingdom as of September 2026 and tracks 56,413 professional contacts across them, including 24,082 with verified work emails. London is the largest hub.

This list covers company matches for railway infrastructure contractors 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 17, 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 17, 2026 How this list was built
1,005Companies
56,413Contacts tracked
24,082Verified emails
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The 25 largest railway infrastructure contractors based in the United Kingdom

Ranked by team size
Top 25 of 1,005 company matches for railway infrastructure contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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 Sep 17, 202610001+23,689 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 · Sep 17, 2026 · View company records in RevenueBase
2Exact matchUxbridge, United KingdomHQ recorded Sep 17, 20261,001-5,0003,196 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3Exact matchHarefield, United KingdomHQ recorded Sep 17, 20261,001-5,0001,218 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 17, 20261,001-5,0001,073 contacts →

Exact match

“Keltbray is a UK leading specialist engineering contractor, which offers engineering, construction, demolition, decommissioning, remediation, environmental services and reinforced…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 17, 20261,001-5,000868 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 · Sep 17, 2026 · View company records in RevenueBase
6Exact matchHoddesdon, United KingdomHQ recorded Sep 17, 20261,001-5,000863 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7Exact matchBarnsley, United KingdomHQ recorded Sep 17, 20261,001-5,000845 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8Exact matchDoncaster, United KingdomHQ recorded Sep 17, 20261,001-5,000767 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 · Sep 17, 2026 · View company records in RevenueBase
9Exact matchMilton Keynes, United KingdomHQ recorded Sep 17, 20261,001-5,000655 contacts →

Exact match

“EKFB brings together international, market leading technical expertise.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 17, 202651-200582 contacts →

Exact match

“Our Rail Experts Have Transformed The Performance Of Britain’s Railway…They Can Help You Transform Yours Network Rail Consulting is the wholly owned international consultancy arm…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11Exact matchCarlisle, United KingdomHQ recorded Sep 17, 2026501-1,000577 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 · Sep 17, 2026 · View company records in RevenueBase
12Exact matchBelfast, United KingdomHQ recorded Sep 17, 2026501-1,000571 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13Exact matchRuislip, United KingdomHQ recorded Sep 17, 20261,001-5,000531 contacts →

Exact match

“The VGC Group is the leading recruitment partner to the UK infrastructure industry – ‘uniting talent and expertise to deliver success for all’.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact matchStrathaven, United KingdomHQ recorded Sep 17, 2026501-1,000486 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15Exact matchBirmingham Business Park, United KingdomHQ recorded Sep 17, 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 17, 2026 · View company records in RevenueBase
16Exact matchAbergavenny, United KingdomHQ recorded Sep 17, 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 17, 2026 · View company records in RevenueBase
17Exact matchCoatbridge, United KingdomHQ recorded Sep 17, 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 · Sep 17, 2026 · View company records in RevenueBase
18Exact matchIpswich, United KingdomHQ recorded Sep 17, 2026201-500294 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19Exact matchNottingham, United KingdomHQ recorded Sep 17, 2026501-1,000284 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 · Sep 17, 2026 · View company records in RevenueBase
20Exact matchLeicester, United KingdomHQ recorded Sep 17, 2026201-500284 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21Exact matchChorley, United KingdomHQ recorded Sep 17, 2026201-500283 contacts →

Exact match

“Taziker is a multi-discipline specialist contractor, providing protective coatings, structural refurbishments and strengthening throughout the UK.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22Exact matchBasildon, United KingdomHQ recorded Sep 17, 202651-200275 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23Exact matchSouthampton, United KingdomHQ recorded Sep 17, 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 17, 2026 · View company records in RevenueBase
24Exact matchReading, United KingdomHQ recorded Sep 17, 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 17, 2026 · View company records in RevenueBase
25Exact matchCorby, United KingdomHQ recorded Sep 17, 20261,001-5,000252 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 · Sep 17, 2026 · View company records in RevenueBase

Showing 25 of 1,005 railway infrastructure contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 24,082 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Railway infrastructure contractors based in the United Kingdom at a glance

As of Sep 17, 2026
42.7%Verified-email coverage
56.1Average contacts per company
11-50Median size (employees)
8.9%Largest-city concentration · London
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
333
11-50
326
51-200
224
201-500
63
501-1,000
23
1,001-5,000
22
5,001-10,000
3
10001+
4

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 1,005 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 “railway infrastructure contractors” 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 24,082 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 17, 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 “railway infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many railway infrastructure contractors are there based in the United Kingdom?

RevenueBase identified 1,005 company matches for railway infrastructure contractors 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?

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

Which city has the most railway infrastructure contractors?

London leads with 89 company records, followed by Glasgow (19) and Manchester (16).

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 24,082 professional contacts with verified work emails tracked across these 1,005 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 17, 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.