Company lists · Data refreshed September 2026

Top 25 Rail infrastructure monitoring based in the United Kingdom

Name: Rail infrastructure monitoring 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 161 companies tracked

RevenueBase identified 161 rail infrastructure monitoring headquartered in the United Kingdom as of September 2026 and tracks 3,938 professional contacts across them, including 1,757 with verified work emails. London is the largest hub.

This list covers rail infrastructure monitoring 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

161Companies

3,938Contacts tracked

1,757Verified emails

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The 25 largest rail infrastructure monitoring based in the United Kingdom

Ranked by team size

Top 25 of 161 rail infrastructure monitoring 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 infrastructure monitoring: 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	Volkerrail LTD	Partial evidence	Doncaster, United KingdomHQ checked Sep 17, 2026	1,001-5,000	767 contacts →
	Partial 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
2	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
3	Cleshar	Strong evidence	London, United KingdomHQ checked Sep 17, 2026	1,001-5,000	236 contacts →
	Strong evidence “Cleshar delivers multidisciplinary services to the rail infrastructure sector.” Source: RevenueBase Database · checked Sep 17, 2026
4	RSS Infrastructure LTD	Strong evidence	Birmingham, United KingdomHQ checked Sep 17, 2026	1,001-5,000	186 contacts →
	Strong 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
5	Adcomms	Strong evidence	Scunthorpe, United KingdomHQ checked Sep 17, 2026	201-500	155 contacts →
	Strong evidence “ADComms is a leading provider of intelligent telecoms infrastructure and On-Train solutions for the UK rail industry.” Source: RevenueBase Database · checked Sep 17, 2026
6	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
7	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
8	Aegis Rail	Indirect evidence	Derby, United KingdomHQ checked Sep 17, 2026	51-200	79 contacts →
	Indirect evidence “AEGIS is a member of the IKOS Group, a global consultancy business with its Headquarters in Paris, France.” Source: RevenueBase Database · checked Sep 17, 2026
9	DJ Civil Engineering Limited	Indirect evidence	Oldham, United KingdomHQ checked Sep 17, 2026	201-500	76 contacts →
	Indirect evidence “DJ CIVIL ENGINEERING LIMITED has earned the reputation of being an organisation that prioritises the demands and requirements of its clients and the safety of its employees.” Source: RevenueBase Database · checked Sep 17, 2026
10	Senceive	Strong evidence	Milton Keynes, United KingdomHQ checked Sep 17, 2026	51-200	75 contacts →
	Strong evidence “Our precise, reliable and robust products directly reflect the specific demands of civil engineering, rail and mining environments and empower those responsible for infrastructure…” Source: RevenueBase Database · checked Sep 17, 2026
11	SEP Rail Services	Indirect evidence	Middlesbrough, United KingdomHQ checked Sep 17, 2026	51-200	65 contacts →
	Indirect evidence “A unique pre-construction services company, we work with contractors, consultants, construction firms and more, measuring, modelling and engineering the nation’s railways.” Source: RevenueBase Database · checked Sep 17, 2026
12	The Crown Group	Partial evidence	Crewe, United KingdomHQ checked Sep 17, 2026	51-200	56 contacts →
	Partial evidence “The Crown Group is a highly skilled and highly respected business that offers a wide scope of environmental services within the rail, industrial and commercial sectors.” Source: RevenueBase Database · checked Sep 17, 2026
13	Mpec Technology	Partial evidence	Derby, United KingdomHQ checked Sep 17, 2026	11-50	56 contacts →
	Partial evidence “Intelligent Data Acquisition and Analysis to the Global Rail Industry – Providing data for remote and predictive maintenance of signalling assets.” Source: RevenueBase Database · checked Sep 17, 2026
14	Tecforce Limited	Indirect evidence	Derby, United KingdomHQ checked Sep 17, 2026	51-200	50 contacts →
	Indirect evidence “We are a BS EN 15085 accredited, specialist supplier to the Railway Rolling Stock Market with skills and expertise in the combined application of engineering and materials…” Source: RevenueBase Database · checked Sep 17, 2026
15	Sonic Rail Services LTD	Indirect evidence	Burnham-on-crouch, United KingdomHQ checked Sep 17, 2026	51-200	49 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
16	Haigh Rail Limited	Partial evidence	Bamber Bridge, United KingdomHQ checked Sep 17, 2026	51-200	42 contacts →
	Partial evidence “Haigh Rail Ltd is a trusted name in the rail and wider construction industries for delivering first-class engineering solutions.” Source: RevenueBase Database · checked Sep 17, 2026
17	Inspire Structures LTD	Indirect evidence	York, United KingdomHQ checked Sep 17, 2026	51-200	41 contacts →
	Indirect evidence “Established in 2013, Inspire was created with a singular mission: to conduct secure, top-notch structure examinations in the railway sector and simultaneously create pathways for…” Source: RevenueBase Database · checked Sep 17, 2026
18	Lowery LTD	Indirect evidence	Staines Upon Thames, United KingdomHQ checked Sep 17, 2026	51-200	39 contacts →
	Indirect evidence “At Lowery we have a reputation for quality and service that goes back over 70 years, enabling us to offer our customers proven experience and knowledge.” Source: RevenueBase Database · checked Sep 17, 2026
19	Fuse Rail LTD	Partial evidence	Lyminge, United KingdomHQ checked Sep 17, 2026	51-200	31 contacts →
	Partial evidence “Fuse Rail are a specialist electrical company created to service the Electrification and Plant requirements within the Rail industry.” Source: RevenueBase Database · checked Sep 17, 2026
20	Protech Infrastructure	Partial evidence	Cardiff, United KingdomHQ checked Sep 17, 2026	51-200	31 contacts →
	Partial evidence “Protech Rail Engineering offers practical engineering and construction expertise to the UK Rail Industry.” Source: RevenueBase Database · checked Sep 17, 2026
21	Inorail	Strong evidence	Newton-le-willows, United KingdomHQ checked Sep 17, 2026	11-50	30 contacts →
	Strong evidence “InoRail Limited was formed in 2015 as a specialist rail engineering and design consultancy bringing together individuals with extensive experience across all rail infrastructure…” Source: RevenueBase Database · checked Sep 17, 2026
22	GBR Solutions Limited	Partial evidence	Ormskirk, United KingdomHQ checked Sep 17, 2026	51-200	29 contacts →
	Partial evidence “GBR Solutions Limited is a Civils Subcontractor working on the Railway Infrastructure and Construction Industry.” Source: RevenueBase Database · checked Sep 17, 2026
23	Thurra	Indirect evidence	Rawtenstall, United KingdomHQ checked Sep 17, 2026	11-50	26 contacts →
	Indirect evidence “When inspecting engineering plant and equipment, you can’t leave anything to chance, but you can leave it to Thurra.” Source: RevenueBase Database · checked Sep 17, 2026
24	KGJ Price Railway Contractors LTD	Indirect evidence	Caerphilly, United KingdomHQ checked Sep 17, 2026	51-200	25 contacts →
	Indirect evidence “K.G.J.Price (Railway Contractors) Ltd was established in 1983, primarily serving the coal and steel industries of South Wales.” Source: RevenueBase Database · checked Sep 17, 2026
25	Machines With Vision	Strong evidence	Edinburgh, United KingdomHQ checked Sep 17, 2026	11-50	24 contacts →
	Strong evidence “Machines With Vision is a technology company that has developed pioneering solutions to the challenge of location and data positioning in rail, transforming how infrastructure…” 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 infrastructure monitoring. 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 infrastructure monitoring.
Partial evidence: Its own public description names part of rail infrastructure monitoring, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name rail infrastructure monitoring. 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 161 rail infrastructure monitoring based in the United Kingdom

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Rail infrastructure monitoring based in the United Kingdom at a glance

As of Sep 17, 2026

44.6%Verified-email coverage

24.5Average contacts per company

11-50Median size (employees)

14.3%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

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 161 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 infrastructure monitoring, 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 infrastructure monitoring”. 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 infrastructure monitoring), 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 infrastructure monitoring, 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, 1,757 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.

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 infrastructure monitoring, 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 infrastructure monitoring are there based in the United Kingdom?

RevenueBase identified 161 rail infrastructure monitoring 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?

Volkerrail LTD, headquartered in Doncaster, tops this list with the largest team on record.

Which city has the most rail infrastructure monitoring?

London leads with 23 headquartered companies, followed by Derby (7) 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 1,757 verified decision-maker contacts tracked across these 161 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.