Company lists · Data refreshed September 2026

Top 25 Rail nondestructive testing companies based in the United Kingdom

Name: Rail nondestructive testing companies 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 122 companies tracked

RevenueBase identified 122 rail nondestructive testing companies headquartered in the United Kingdom as of September 2026 and tracks 1,138 professional contacts across them, including 467 with verified work emails. Aberdeen is the largest hub.

This list covers rail nondestructive testing companies 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

122Companies

1,138Contacts tracked

467Verified emails

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The 25 largest rail nondestructive testing companies based in the United Kingdom

Ranked by team size

Top 25 of 122 rail nondestructive testing companies 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 nondestructive testing companies: 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	Sonomatic Limited	Partial evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	201-500	207 contacts →
	Partial evidence “Sonomatic is a worldwide organisation that specialises in the design, development, and application of Non-Destructive Testing (NDT) inspections.” Source: RevenueBase Database · checked Sep 17, 2026
2	Oceanscan Group	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	51-200	80 contacts →
	Indirect evidence “The Oceanscan Group, a member of Venterra Group Plc, headquartered in Aberdeen UK, has subsidiary companies based in Lowestoft, Inverurie, Beccles, and Cannock in the UK.” Source: RevenueBase Database · checked Sep 17, 2026
3	Lavender International NDT	Indirect evidence	Sheffield, United KingdomHQ checked Sep 17, 2026	51-200	60 contacts →
	Indirect evidence “Lavender International NDT Consultancy Services LTD provide training, examinations and level 3 consultancy services to clients across the World.” Source: RevenueBase Database · checked Sep 17, 2026
4	Applied Inspection LTD	Partial evidence	Holmewood, United KingdomHQ checked Sep 17, 2026	51-200	56 contacts →
	Partial evidence “Applied Inspection Ltd is an ISO 9001:2015 and RISQS (formerly Link-Up) accredited NDT services company providing Non Destructive Testing, Welding, Welder Training and Materials…” Source: RevenueBase Database · checked Sep 17, 2026
5	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
6	Morgan-Ward NDT Limited	Partial evidence	High Peak, United KingdomHQ checked Sep 17, 2026	11-50	39 contacts →
	Partial evidence “Morgan Ward NDT is one of the world’s leading providers of non-destructive testing, inspection and advisory services to the aerospace, petrochemical, defence and general…” Source: RevenueBase Database · checked Sep 17, 2026
7	JME Advanced Inspection Systems	Indirect evidence	Lowestoft, United KingdomHQ checked Sep 17, 2026	11-50	32 contacts →
	Indirect evidence “JME Ltd is regarded across the globe as the market leader in the development and manufacture of high-quality inspection systems.” Source: RevenueBase Database · checked Sep 17, 2026
8	Connect NDT LTD	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	11-50	29 contacts →
	Indirect evidence “We are a local company headed by a team of directors with over 100 years combined experience in the Oil & Gas industry ready to assist existing and new customers alike with a…” Source: RevenueBase Database · checked Sep 17, 2026
9	NDT Consultants LTD	Indirect evidence	Coventry, United KingdomHQ checked Sep 17, 2026	11-50	27 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
10	Incon Inspection Consultants	Partial evidence	Ellesmere Port, United KingdomHQ checked Sep 17, 2026	11-50	26 contacts →
	Partial evidence “Inspection Consultants Ltd.(InCon) has been established for over 30 years and has a demonstrable track record of providing the full range of non-destructive testing services both…” Source: RevenueBase Database · checked Sep 17, 2026
11	Innospection	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	51-200	25 contacts →
	Indirect evidence “Innospection, a division of Sonomatic Limited, provides optimised integrity intelligence through innovative inspection solutions for the global energy and industrial sectors.” Source: RevenueBase Database · checked Sep 17, 2026
12	HTA Across Uk, Ireland And Europe	Partial evidence	Welwyn Garden City, United KingdomHQ checked Sep 17, 2026	11-50	23 contacts →
	Partial evidence “All Building, Bridge and Rail Asset Investigations catered for across the UK, carried out by NDT & PTSI fully trained engineers, backed by UKAS and RISQS.” Source: RevenueBase Database · checked Sep 17, 2026
13	RMI Engineering	Partial evidence	Ringshall, United KingdomHQ checked Sep 17, 2026	11-50	19 contacts →
	Partial evidence “RMi Engineering have been trusted for over 20 years to deliver exceptional teams that work around the clock to keep critical assets safe and in service across rail, offshore and…” Source: RevenueBase Database · checked Sep 17, 2026
14	Theta Technologies Limited NDT	Partial evidence	Exeter, United KingdomHQ checked Sep 17, 2026	11-50	14 contacts →
	Partial evidence “We're committed to revolutionising non-destructive testing (NDT) and part inspection practices in advanced manufacturing with RD1-TT.” Source: RevenueBase Database · checked Sep 17, 2026
15	NDT Global Services LTD	Indirect evidence	Preston Farm Industrial Estate, United KingdomHQ checked Sep 17, 2026	11-50	14 contacts →
	Indirect evidence “NDT Global Services Limited is a Company specialising in providing a broad spectrum of inspection and test equipment for inspection companies, process plant, manufacturing and…” Source: RevenueBase Database · checked Sep 17, 2026
16	Phoenix Inspection Systems Limited	Partial evidence	Warrington, United KingdomHQ checked Sep 17, 2026	11-50	13 contacts →
	Partial evidence “Established in 1983, Phoenix Inspection Systems Limited are specialists in the design and manufacture of ultrasonic non-destructive testing (NDT) solutions and offer a dynamic…” Source: RevenueBase Database · checked Sep 17, 2026
17	Alliance Inspection	Partial evidence	Chester, United KingdomHQ checked Sep 17, 2026	11-50	11 contacts →
	Partial evidence “WELCOME TO ALLIANCE INSPECTION LIMITED Alliance Inspection is a UK based Asset Integrity Management Company, also providing the full range of Non-Destructive Testing Services…” Source: RevenueBase Database · checked Sep 17, 2026
18	Clarity NDT Limited	Indirect evidence	Rotherham, United KingdomHQ checked Sep 17, 2026	11-50	11 contacts →
	Indirect evidence “Clarity NDT Limited provide radiographic and NDT inspection services to uk business.” Source: RevenueBase Database · checked Sep 17, 2026
19	PTS TQM LTD	Partial evidence	Stafford, United KingdomHQ checked Sep 17, 2026	11-50	11 contacts →
	Partial evidence “PTS are specialists in the provision of inspection by Non Destructive Testing (NDT Inspection).” Source: RevenueBase Database · checked Sep 17, 2026
20	Axis NDT & Inspection	Partial evidence	Bromborough, United KingdomHQ checked Sep 17, 2026	11-50	10 contacts →
	Partial evidence “Axis NDT Ltd is an independently owned and run Non-destructive testing company based in North-West, England.” Source: RevenueBase Database · checked Sep 17, 2026
21	Array Training	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	1-10	10 contacts →
	Indirect evidence “Array Training Ltd was set up as Rigmar Training Centre, in Aug 2012 until the 1st May 2015, when we rebranded to become Array Training, with a vision to provide the North East of…” Source: RevenueBase Database · checked Sep 17, 2026
22	Full Matrix LTD	Partial evidence	Cambridge, United KingdomHQ checked Sep 17, 2026	1-10	9 contacts →
	Partial evidence “Experts in Structural Integrity and Ultrasonic Non-Destructive Testing” Source: RevenueBase Database · checked Sep 17, 2026
23	Johnson & Allen LTD	Indirect evidence	Sheffield, United KingdomHQ checked Sep 17, 2026	11-50	9 contacts →
	Indirect evidence “Established over 80 years ago Johnson & Allen Ltd is an expanding company in the magnetic particle and dye penetrant inspection industry.” Source: RevenueBase Database · checked Sep 17, 2026
24	Axiom Inspection Solutions	Partial evidence	Glasgow, United KingdomHQ checked Sep 17, 2026	1-10	8 contacts →
	Partial evidence “At Axiom Inspection Solutions we bring years of knowledge & experience to the table regarding Non-Destructive Testing, Inspection and Consultancy through all key industrial…” Source: RevenueBase Database · checked Sep 17, 2026
25	Ultramag Inspection Services LTD	Partial evidence	Southampton, United KingdomHQ checked Sep 17, 2026	11-50	8 contacts →
	Partial evidence “Ultramag Inspection Services Ltd is a market leading, ISO 9001 independent Organisation providing inspection and testing services to a broad range of industries.” 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 nondestructive testing companies. 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 nondestructive testing companies.
Partial evidence: Its own public description names part of rail nondestructive testing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name rail nondestructive testing companies. 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 122 rail nondestructive testing companies based in the United Kingdom

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Rail nondestructive testing companies based in the United Kingdom at a glance

As of Sep 17, 2026

41.0%Verified-email coverage

9.3Average contacts per company

1-10Median size (employees)

7.4%Largest-city concentration · Aberdeen

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 122 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 nondestructive testing companies, 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 nondestructive testing companies”. 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 nondestructive testing companies), 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 nondestructive testing companies, 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, 467 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 nondestructive testing companies, 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 nondestructive testing companies are there based in the United Kingdom?

RevenueBase identified 122 rail nondestructive testing companies 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?

Sonomatic Limited, headquartered in Aberdeen, tops this list with the largest team on record.

Which city has the most rail nondestructive testing companies?

Aberdeen leads with 9 headquartered companies, followed by London (6) and Manchester (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 467 verified decision-maker contacts tracked across these 122 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.