Company lists · Data refreshed September 2026
Top 25 Aerospace testing and certification companies based in the United Kingdom
RevenueBase identified 177 aerospace testing and certification companies headquartered in the United Kingdom as of September 2026 and tracks 31,614 professional contacts across them, including 11,331 with verified work emails. London is the largest hub.
This list covers aerospace testing and certification 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 16, 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.
The 25 largest aerospace testing and certification companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 23,155 contacts → | ||||
Indirect evidence “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,200 contacts → | ||||
Strong evidence “The Element Materials Technology Group is one of the world’s leading global providers of testing, inspection, and certification services for a diverse range of products…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 844 contacts → | ||||
Indirect evidence “SOCOTEC UK is a network of industry-leading experts we empower ambitious businesses at every stage of the asset lifecycle.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 776 contacts → | ||||
Strong evidence “Testing, inspection, certification and compliance is our core business so that’s what gets 100% of our focus.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 177 contacts → | ||||
Strong evidence “Warringtonfire is proud to be part of Element Materials Technology, the leader in Testing, Inspection, Certification and Calibration services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 165 contacts → | ||||
Indirect evidence “The British Board of Agrément (BBA) drives industry safety and quality by providing services that help clients through enabling innovation, identifying risk and demonstrating…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 148 contacts → | ||||
Indirect evidence “Stirling Dynamics is an advanced engineering company located in the UK and Germany that provides high-end engineering products and services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 89 contacts → | ||||
Strong evidence “Phenna Group is a global family of specialist businesses delivering Testing, Inspection, Certification and Compliance (TICC) services to customers worldwide.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 88 contacts → | ||||
Indirect evidence “KNSI Aviation Engineering Ltd is a UK CAA and EASA Part-21.J DOA, Part-21.G POA approval holder.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 64 contacts → | ||||
Partial evidence “Rapita Systems is a leading supplier of software verification tools and services, providing quality solutions to the global high-integrity aerospace and automotive electronics…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 62 contacts → | ||||
Strong evidence “BM TRADA is proud to be part of Element, the market leader in Testing, Inspection, and Certification services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 55 contacts → | ||||
Strong evidence “BASEC Group Limited, a part of Kiwa, is a global leader in product testing and certification services for power, energy, data/signal cables and ancillary products, in addition to…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 53 contacts → | ||||
Strong evidence “Eurofins E&E UK provides a comprehensive range of testing, certification and compliance services for designers and manufacturers of electronic and electrical products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 50 contacts → | ||||
Partial evidence “International Associates (IA) is a leading provider of assessment, audit, verification, certification and training services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 43 contacts → | ||||
Partial evidence “Middlesex Aerospace are a leading engineering and strategic manufacturing company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 42 contacts → | ||||
Indirect evidence “At Envirochem, we empower businesses to stay compliant, safe, and efficient with our industry-leading environmental risk mitigation services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 40 contacts → | ||||
Partial evidence “CAV Systems Ltd is a global aerospace supplier of airborne ice protection systems and drag reduction technology for civilian, commercial and military aircraft.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 39 contacts → | ||||
Strong 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 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 36 contacts → | ||||
Partial evidence “SGS Gas Analysis Services: Specialists in Gas Testing, Instrumentation, Validation and Design.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 34 contacts → | ||||
Strong evidence “We’re an international service provider in the Testing, Inspection, Certification and Compliance (TICC) sector.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 34 contacts → | ||||
Indirect evidence “Eurofins E&E CML Limited (CML) is registered as a UK Approved Body (No 2503) and, through the Dutch Government, CML B.V.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 31 contacts → | ||||
Strong evidence “WQ Inspection & Certification Ltd are a UKAS accredited Inspection Body, Certification Body and Testing Laboratory, Number 9430.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 29 contacts → | ||||
Partial evidence “Since 1990, Phixos has supported major programmes through the development, verification and certification of high integrity software, HMI and firmware solutions in partnership…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 29 contacts → | ||||
Indirect evidence “Founded in 2014 and headquartered in London, Aracion is a leader in providing cutting-edge global solutions across various sectors.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 27 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
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: aerospace testing and certification 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 aerospace testing and certification companies.
- Partial evidence
- Its own public description names part of aerospace testing and certification companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name aerospace testing and certification 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 177 aerospace testing and certification companies based in the United Kingdom
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Aerospace testing and certification companies based in the United Kingdom at a glance
As of Sep 16, 2026Companies by employee count
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 177 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 aerospace testing and certification 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 “aerospace testing and certification 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 aerospace testing and certification 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 aerospace testing and certification 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, 11,331 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 16, 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 aerospace testing and certification 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 aerospace testing and certification companies are there based in the United Kingdom?
RevenueBase identified 177 aerospace testing and certification 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?
Intertek, headquartered in London, tops this list with the largest team on record.
Which city has the most aerospace testing and certification companies?
London leads with 24 headquartered companies, followed by Bristol (5) and Manchester (5).
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 11,331 verified decision-maker contacts tracked across these 177 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 16, 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.
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