Company lists · Data refreshed November 2026

Top 25 Underground rail contractors based in the United Kingdom

RevenueBase identified 82 company matches for underground rail contractors associated with the United Kingdom as of November 2026 and tracks 3,507 professional contacts across them, including 1,279 with verified work emails. London is the largest hub.

This list covers company matches for underground rail 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 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
82Companies
3,507Contacts tracked
1,279Verified emails
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The 25 largest underground rail contractors based in the United Kingdom

Ranked by team size
Top 25 of 82 company matches for underground rail contractors 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 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
2Exact 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
3Exact matchBasildon, United KingdomHQ recorded Nov 6, 202651-200318 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000232 contacts →

Exact match

“Specialist Groundwork, Civil Engineering, RC Frames, Architectural Concrete, Rail & Aviation subcontractor based in West London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000196 contacts →

Exact match

“TG Tunnelling is a tunnelling company based out of 2 Athenaeum Rd, London N20 9AE, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchColchester, United KingdomHQ recorded Nov 6, 2026201-500151 contacts →

Exact match

“TES Ltd is a long established, highly regarded contractor to the rail industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBrentford, United KingdomHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“Ballycommon provides skilled labour solutions to the Building, Civil Engineering, Underground and Rail Sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRecruitment, United KingdomHQ recorded Nov 6, 20261,001-5,00097 contacts →

Exact match

“Menfor Group is dedicated to delivering specialist labour services to the UK, since 2005.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChesterfield, United KingdomHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“CK Rail blends over 70 years of combined civil engineering and construction services, with expertise from former Network Rail trained staff.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchIlkeston, United KingdomHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“SATEBA UK (formerly Sateba Stanton Precast) is part of the Sateba Group, a European specialist in precast concrete rail and infrastructure, and widely recognised as a leading UK…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“GPX Engineering Ltd is an established railway contractor specialising in providing welding resource for the railway industry, working directly for Network Rail, Transport for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchManston, United KingdomHQ recorded Nov 6, 2026201-50041 contacts →

Exact match

“Established in 2013, ASH Construction Group are a leading privately-owned, Railway Specialist supporting Railway and Civil Engineering projects across the UK with offices in Kent…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBamber Bridge, United KingdomHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Haigh Rail Ltd is a trusted name in the rail and wider construction industries for delivering first-class engineering solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGravesend, United KingdomHQ recorded Nov 6, 2026501-1,00040 contacts →

Exact match

“TAG Construction Ltd is a reputable, single source labour supply contractor, with a reputation for service and quality that has provided repeat business with most of the UK's…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPurfleet, United KingdomHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“What We Do?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOrmskirk, United KingdomHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“GBR Solutions Limited is a Civils Subcontractor working on the Railway Infrastructure and Construction Industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBirmingham, United KingdomHQ recorded Nov 6, 2026n/a22 contacts →

Exact match

“Gülermak UK Ltd is part of Gülermak Heavy Industry Construction and Contracting Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHull, United KingdomHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Based in the north of England, Colt Construction is a nationwide operating company which places a strong emphasis on performance, quality, team work and a hands on management…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchTilbury, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Based in Tilbury, Essex, Gateway Construction Services Limited is a long established company providing services and support to the Railway Infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMelksham, United KingdomHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“UKES Rail Ltd was proudly formed in June 2010 by the current Managing Director, Neil Bridgeman.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchKemsley, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchKirkby, United KingdomHQ recorded Nov 6, 202651-20011 contacts →

Exact match

“Welcome to UK Rail Engineering, where our success is built on a solid framework of core values.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAlfreton, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Supplier to Rail & Construction Industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHorley, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Sunville Rail is a privately owned civil engineering company specifically for the rail industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBenfleet, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“OCL Group operate at the forefront when delivering some of the largest civil and electrical projects in infrastructure incorporating both London Underground and Network Rail…”

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

Showing 25 of 82 underground rail contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,279 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Underground rail contractors based in the United Kingdom at a glance

As of Nov 6, 2026
36.5%Verified-email coverage
42.8Average contacts per company
11-50Median size (employees)
14.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
23
51-200
18
201-500
6
501-1,000
5
1,001-5,000
2
5,001-10,000
1

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 82 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 “underground rail 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 1,279 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 “underground rail contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underground rail contractors are there based in the United Kingdom?

RevenueBase identified 82 company matches for underground rail contractors 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?

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

Which city has the most underground rail contractors?

London leads with 12 company records, followed by Doncaster (3) and Manchester (3).

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 1,279 professional contacts with verified work emails tracked across these 82 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.