Company lists · Data refreshed September 2026

Top 25 Rail maintenance service providers based in the United Kingdom

Name: Rail maintenance service providers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 262 companies tracked

RevenueBase identified 262 rail maintenance service providers headquartered in the United Kingdom as of September 2026 and tracks 44,224 professional contacts across them, including 19,338 with verified work emails. London is the largest hub.

This list covers rail maintenance service providers 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 17, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

262Companies

44,224Contacts tracked

19,338Verified emails

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The 25 largest rail maintenance service providers based in the United Kingdom

Ranked by team size

Top 25 of 262 rail maintenance service providers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to rail maintenance service providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Network Rail	Indirect evidence	Milton Keynes, United KingdomHQ checked Sep 17, 2026	10001+	23,689 contacts →
	Indirect evidence “We’re at the heart of revitalising Britain’s railway, getting people and goods where they need to be and supporting the economy.” Source: RevenueBase Database · checked Sep 17, 2026
2	Hitachi Rail	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	10001+	11,800 contacts →
	Partial evidence “Hitachi Rail is committed to driving a sustainable mobility transition and helping every passenger, customer and community enjoy more connected, seamless and sustainable transport.” Source: RevenueBase Database · checked Sep 17, 2026
3	Colas Rail UK	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	1,001-5,000	868 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
4	Amcogiffen	Indirect evidence	Barnsley, United KingdomHQ checked Sep 17, 2026	1,001-5,000	845 contacts →
	Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 17, 2026
5	Volkerrail LTD	Indirect evidence	Doncaster, United KingdomHQ checked Sep 17, 2026	1,001-5,000	767 contacts →
	Indirect evidence “Since entering the construction market in 1935, VolkerRail has become one of the UK’s leading multidisciplinary railway infrastructure contractors.” Source: RevenueBase Database · checked Sep 17, 2026
6	Network Rail Consulting	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	582 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
7	QTS Group	Indirect evidence	Strathaven, United KingdomHQ checked Sep 17, 2026	501-1,000	486 contacts →
	Indirect evidence “QTS is one of the country’s leading railways contractors, founded by MD, Alan McLeish.” Source: RevenueBase Database · checked Sep 17, 2026
8	Wabtec UK	Partial evidence	Doncaster, United KingdomHQ checked Sep 17, 2026	1,001-5,000	390 contacts →
	Partial evidence “Passenger, freight and road vehicle overhaul, upgrade and maintenance provision-DMU, EMU and passenger coach overhaul, refurbishment, upgrade, life extension, maintenance, C6 and…” Source: RevenueBase Database · checked Sep 17, 2026
9	Cleshar	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	1,001-5,000	236 contacts →
	Partial evidence “Cleshar delivers multidisciplinary services to the rail infrastructure sector.” Source: RevenueBase Database · checked Sep 17, 2026
10	Knorr-Bremse Rail Uk&i	Partial evidence	Melksham, United KingdomHQ checked Sep 17, 2026	501-1,000	235 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 17, 2026
11	Carnell	Partial evidence	Penkridge, United KingdomHQ checked Sep 17, 2026	201-500	209 contacts →
	Partial evidence “Carnell provide specialist maintenance and support services that help ensure safety and efficiency for the UK’s highway infrastructure.” Source: RevenueBase Database · checked Sep 17, 2026
12	Quattro Plant LTD	Partial evidence	Stratford, United KingdomHQ checked Sep 17, 2026	501-1,000	202 contacts →
	Partial evidence “Quattro Group is an infrastructure specialist, providing professionally operated equipment services to the rail, road and construction industries, nationwide, 24-7.” Source: RevenueBase Database · checked Sep 17, 2026
13	RSS Infrastructure LTD	Partial evidence	Birmingham, United KingdomHQ checked Sep 17, 2026	1,001-5,000	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 17, 2026
14	Porterbrook	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	168 contacts →
	Indirect evidence “By working together with our partners, we provide high-quality, sustainable and digitally-enabled rolling stock solutions, ensuring the UK’s railway is safe, reliable, and fit for…” Source: RevenueBase Database · checked Sep 17, 2026
15	TES 2000 LTD	Partial evidence	Colchester, United KingdomHQ checked Sep 17, 2026	201-500	142 contacts →
	Partial evidence “TES Ltd is a long established, highly regarded contractor to the rail industry.” Source: RevenueBase Database · checked Sep 17, 2026
16	Trackwork Limited	Strong evidence	Doncaster, United KingdomHQ checked Sep 17, 2026	201-500	141 contacts →
	Strong evidence “Trackwork Ltd is a specialist rail infrastructure engineering company providing the following services & products: • Track renewals, remodelling, installation & maintenance.” Source: RevenueBase Database · checked Sep 17, 2026
17	Arriva Traincare	Partial evidence	Crewe, United KingdomHQ checked Sep 17, 2026	51-200	129 contacts →
	Partial evidence “Arriva TrainCare is a leading UK train maintenance company based in Crewe, with five strategically located depots throughout the country (Crewe, Bristol Barton Hill, Eastleigh…” Source: RevenueBase Database · checked Sep 17, 2026
18	Loram UK LTD	Indirect evidence	Derby, United KingdomHQ checked Sep 17, 2026	51-200	111 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
19	Xrail Group LTD	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	108 contacts →
	Partial evidence “WELCOME TO XRAIL Drawing on years of experience within major rail operators across all levels, we offer a higher quality precision engineering service to tackle the most…” Source: RevenueBase Database · checked Sep 17, 2026
20	Torrent Trackside Limited	Partial evidence	Tamworth, United KingdomHQ checked Sep 17, 2026	51-200	82 contacts →
	Partial evidence “As the only specialist portable rail plant provider in the UK, Torrent Trackside has a unique understanding of the needs and challenges of the rail industry.” Source: RevenueBase Database · checked Sep 17, 2026
21	DB ESG	Partial evidence	Derby, United KingdomHQ checked Sep 17, 2026	51-200	66 contacts →
	Partial evidence “DB ESG, established in 1995, is a specialist provider of rolling stock engineering solutions for the UK rail industry.” Source: RevenueBase Database · checked Sep 17, 2026
22	AGS ONE	Strong evidence	Brighton, United KingdomHQ checked Sep 17, 2026	51-200	64 contacts →
	Strong evidence “We have been providing specialist cleaning, rail network maintenance and protection, surface renovation, coatings, flooring, pest control, vegetation removal/control and labour…” Source: RevenueBase Database · checked Sep 17, 2026
23	Hollywell Building Services Limited	Strong evidence	St Albans, United KingdomHQ checked Sep 17, 2026	11-50	59 contacts →
	Strong evidence “Hollywell Building Services provides planned and reactive maintenance in the Rail, Education, Health, Local Authority and Church sectors as well performing small civil engineering…” Source: RevenueBase Database · checked Sep 17, 2026
24	Rail Operations Group	Partial evidence	Derby, United KingdomHQ checked Sep 17, 2026	51-200	58 contacts →
	Partial evidence “Rail Operations Group (ROG) have been trusted to deliver specialist, UK wide, rail services for more than 10 years.” Source: RevenueBase Database · checked Sep 17, 2026
25	Brodie Engineering LTD	Partial evidence	Kilmarnock, United KingdomHQ checked Sep 17, 2026	51-200	58 contacts →
	Partial evidence “Brodie Engineering is an innovative, highly experienced rolling stock engineering business offering a comprehensive range of maintenance, overhaul, engineering support, project…” Source: RevenueBase Database · checked Sep 17, 2026

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: rail maintenance service providers. 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 rail maintenance service providers.
Partial evidence: Its own public description names part of rail maintenance service providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name rail maintenance service providers. 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 262 rail maintenance service providers based in the United Kingdom

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Rail maintenance service providers based in the United Kingdom at a glance

As of Sep 17, 2026

43.7%Verified-email coverage

168.8Average contacts per company

11-50Median size (employees)

14.5%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 262 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 rail maintenance service providers, 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 “rail maintenance service providers”. 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 rail maintenance service providers), 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 rail maintenance service providers, 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, 19,338 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 17, 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.

Rail maintenance service providers by metro

Rail maintenance service providers in London38

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 rail maintenance service providers, 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 rail maintenance service providers are there based in the United Kingdom?

RevenueBase identified 262 rail maintenance service providers 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?

Network Rail, headquartered in Milton Keynes, tops this list with the largest team on record.

Which city has the most rail maintenance service providers?

London leads with 38 headquartered companies, followed by Derby (13) and Doncaster (6).

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 19,338 verified decision-maker contacts tracked across these 262 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 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 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.