Company lists · Data refreshed November 2026
Top 24 Telecom testing and diagnostics companies based in the United Kingdom
RevenueBase identified 75 company matches for telecom testing and diagnostics companies associated with the United Kingdom as of November 2026 and tracks 1,450 professional contacts across them, including 670 with verified work emails. London is the largest hub.
This list covers company matches for telecom testing and diagnostics companies 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.
The 24 largest telecom testing and diagnostics companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 64 contacts → | ||||
Exact match “TADTELMAX is a Worldwide Testing House Company offering the best in class Mobile Testing Services for an End-to-End Product and Software Homologation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 63 contacts → | ||||
Exact match “Amfax is a world class test system solutions provider, delivering high quality, high performance and cost effective automated test equipment to the aerospace, defence, rail &…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 57 contacts → | ||||
Exact match “Eurofins E&E UK provides a comprehensive range of testing, certification and compliance services for designers and manufacturers of electronic and electrical products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 44 contacts → | ||||
Exact match “XJTAG is a world leading producer of automated test equipment, with a wide range of tools for complex debug, test and programming.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 42 contacts → | ||||
Exact match “Lynx-UK is a telecommunications engineering and network asset management company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 32 contacts → | ||||
Exact match “4MS specialise in networking, cyber-security and telecoms technical services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 32 contacts → | ||||
Exact match “Construction Site Services Ltd (CSS Ltd) prides itself on quality, integrity and performance to deliver bespoke solutions to the ever-changing needs of our clients both new and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 30 contacts → | ||||
Exact match “Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “We empower the global telecoms world by developing the specialist knowledge, skills and competencies organisations need to build, maintain, optimise and operate the cutting-edge…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 20 contacts → | ||||
Exact match “We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “Elite Interfaces Ltd are specialists in the supply, design and manufacture of Test Solutions and Services for the Electronics Manufacturing Industry ranging from Flying Probe…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 19 contacts → | ||||
Exact match “Quarch Technology is a global leader in precision Test & Measurement solutions, specializing in automated power analysis and high-speed physical layer testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 17 contacts → | ||||
Exact match “Frame Communications Ltd supplies a wide range of Telecoms Datacoms Test and Management solutions to Network Operators, Equipment Manufacturers, System Integrators, Field Support…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 17 contacts → | ||||
Exact match “EXFO Ontology is revolutionising how telecommunication network operators get to know their networks – and through this, their customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “The Peak Group is a proven provider of automated test and measurement solutions supporting every stage of the assembly process from component testing to highly complex functional…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “BluGem provide independent test solutions to telecommunication companies for roaming, network service, billing, regulatory compliance and fraud detection.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 12 contacts → | ||||
Exact match “We are an independent, non biased Telecoms Analytics and Management company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Established in 1993, UTEL is a UK-based business that specialises in planning, testing, validating and monitoring telecoms networks worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 7 contacts → | ||||
Exact match “From the heart of the Industrial Revolution, Devtank is disrupting the industry with their award-winning production testing and smart monitoring solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Code Magus Limited (CML) provides consultancy and specialist technology solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “The leading supplier of fault location and cable diagnostic test vans and systems in the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “At Absolute Validation, we offer a high-quality, experienced option for the live network and Field Testing needs of your wireless device.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Supplier of network test and monitoring devices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “telecom testing and diagnostics companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 24 of 75 telecom testing and diagnostics companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 670 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telecom testing and diagnostics companies based in the United Kingdom at a glance
As of Nov 6, 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 75 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 “telecom testing and diagnostics companies” 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 670 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 “telecom testing and diagnostics companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telecom testing and diagnostics companies are there based in the United Kingdom?
RevenueBase identified 75 company matches for telecom testing and diagnostics companies 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?
Tadtelmax tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most telecom testing and diagnostics companies?
London leads with 14 company records, followed by Cambridge (2) and Derby (2).
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 670 professional contacts with verified work emails tracked across these 75 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.
Ready to reach these companies? Verified emails and direct dials for all 75 telecom testing and diagnostics companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Telecom testing and diagnostics companies by geography
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- Telecom testing and diagnostics companies based in France
- Telecom testing and diagnostics companies based in Germany
- Telecom testing and diagnostics companies based in India
- Telecom testing and diagnostics companies based in Italy
- Telecom testing and diagnostics companies based in the United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Telecom testing and diagnostics companies based in Brazil
- Telecom testing and diagnostics companies based in Canada
- Telecom testing and diagnostics companies based in France
- Telecom testing and diagnostics companies based in Germany
- Telecom testing and diagnostics companies based in India
- Telecom testing and diagnostics companies based in Italy
Company intelligence · public preview
Top 24 telecom testing and diagnostics companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 75 matching company records for telecom testing and diagnostics companies based in the United Kingdom, with 1,450 tracked contacts and 670 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 telecom testing and diagnostics companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Tadtelmaxtadtelmax.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 64 contacts → |
“TADTELMAX is a Worldwide Testing House Company offering the best in class Mobile Testing Services for an End-to-End Product and Software Homologation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Amfax LTDamfax.co.ukHQ: Blandford Forum, United KingdomReported employees: 51-200 | Blandford Forum, United Kingdom | 51-200 | Exact match | 63 contacts → |
“Amfax is a world class test system solutions provider, delivering high quality, high performance and cost effective automated test equipment to the aerospace, defence, rail &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Eurofins E&e UKeurofins.co.ukHQ: York, United KingdomReported employees: 51-200 | York, United Kingdom | 51-200 | Exact match | 57 contacts → |
“Eurofins E&E UK provides a comprehensive range of testing, certification and compliance services for designers and manufacturers of electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  XJTAGxjtag.comHQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 44 contacts → |
“XJTAG is a world leading producer of automated test equipment, with a wide range of tools for complex debug, test and programming.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Lynx UK LTDlynx-uk.comHQ: Andover, United KingdomReported employees: 51-200 | Andover, United Kingdom | 51-200 | Exact match | 42 contacts → |
“Lynx-UK is a telecommunications engineering and network asset management company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  4ms Network Solutions4ms.co.ukHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 32 contacts → |
“4MS specialise in networking, cyber-security and telecoms technical services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Construction Site Services LTD CSS LTDconstructionsiteservices.co.ukHQ: Newbury, United KingdomReported employees: 11-50 | Newbury, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Construction Site Services Ltd (CSS Ltd) prides itself on quality, integrity and performance to deliver bespoke solutions to the ever-changing needs of our clients both new and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Ghekkoghekko.comHQ: Macclesfield, United KingdomReported employees: 11-50 | Macclesfield, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Wray Castlewraycastle.comHQ: Kendal, United KingdomReported employees: 11-50 | Kendal, United Kingdom | 11-50 | Exact match | 24 contacts → |
“We empower the global telecoms world by developing the specialist knowledge, skills and competencies organisations need to build, maintain, optimise and operate the cutting-edge…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  ATE Solutions LTDatesolutions.co.ukHQ: Blisworth, United KingdomReported employees: 11-50 | Blisworth, United Kingdom | 11-50 | Exact match | 20 contacts → |
“We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Elite Interfaces LTDeliteinterfaces.comHQ: Reading, United KingdomReported employees: 11-50 | Reading, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Elite Interfaces Ltd are specialists in the supply, design and manufacture of Test Solutions and Services for the Electronics Manufacturing Industry ranging from Flying Probe…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Quarchquarch.comHQ: Aviemore, United KingdomReported employees: 11-50 | Aviemore, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Quarch Technology is a global leader in precision Test & Measurement solutions, specializing in automated power analysis and high-speed physical layer testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Frame Communicationsframe.co.ukHQ: Newmarket, United KingdomReported employees: 11-50 | Newmarket, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Frame Communications Ltd supplies a wide range of Telecoms Datacoms Test and Management solutions to Network Operators, Equipment Manufacturers, System Integrators, Field Support…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Exfo Ontologyontology.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“EXFO Ontology is revolutionising how telecommunication network operators get to know their networks – and through this, their customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  The Peak Groupthepeakgroup.comHQ: Letchworth Garden City, United KingdomReported employees: 51-200 | Letchworth Garden City, United Kingdom | 51-200 | Exact match | 12 contacts → |
“The Peak Group is a proven provider of automated test and measurement solutions supporting every stage of the assembly process from component testing to highly complex functional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Blugemblugem.comHQ: Barnstaple, United KingdomReported employees: 11-50 | Barnstaple, United Kingdom | 11-50 | Exact match | 12 contacts → |
“BluGem provide independent test solutions to telecommunication companies for roaming, network service, billing, regulatory compliance and fraud detection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Teradyne Limitedteradyne.comHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Segmentation Groupsegmentationgroup.comHQ: Ashton Under Lyne, United KingdomReported employees: 11-50 | Ashton Under Lyne, United Kingdom | 11-50 | Exact match | 12 contacts → |
“We are an independent, non biased Telecoms Analytics and Management company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  United Technologists Europe Limited Utelutel.co.ukHQ: Hadleigh, United KingdomReported employees: 11-50 | Hadleigh, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Established in 1993, UTEL is a UK-based business that specialises in planning, testing, validating and monitoring telecoms networks worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Devtank LTDdevtank.co.ukHQ: Derby, United KingdomReported employees: 1-10 | Derby, United Kingdom | 1-10 | Exact match | 7 contacts → |
“From the heart of the Industrial Revolution, Devtank is disrupting the industry with their award-winning production testing and smart monitoring solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Code Magus Limitedcodemagus.comHQ: Oxford, United KingdomReported employees: 11-50 | Oxford, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Code Magus Limited (CML) provides consultancy and specialist technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Baur UKbaurtest.comHQ: Croydon, United KingdomReported employees: 1-10 | Croydon, United Kingdom | 1-10 | Exact match | 5 contacts → |
“The leading supplier of fault location and cable diagnostic test vans and systems in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Absolute Validation LTDabsolutevalidation.comHQ: Farnborough, United KingdomReported employees: 11-50 | Farnborough, United Kingdom | 11-50 | Exact match | 4 contacts → |
“At Absolute Validation, we offer a high-quality, experienced option for the live network and Field Testing needs of your wireless device.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Avizent Network Solutionsavizent.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Supplier of network test and monitoring devices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 75 company matches
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Telecom testing and diagnostics companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
74 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 75 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for telecom testing and diagnostics companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many telecom testing and diagnostics companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 75 matching company records, 1,450 tracked contacts and 670 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Telecom testing and diagnostics companies by geography
- Telecom testing and diagnostics companies based in Brazil
- Telecom testing and diagnostics companies based in Canada
- Telecom testing and diagnostics companies based in France
- Telecom testing and diagnostics companies based in Germany
- Telecom testing and diagnostics companies based in India
- Telecom testing and diagnostics companies based in Italy
- Telecom testing and diagnostics companies based in the United States
Cite this list
RevenueBase Data Team. Top 24 telecom testing and diagnostics companies based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/telecom-testing-and-diagnostics-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Telecom testing and diagnostics companies based in Brazil
- Telecom testing and diagnostics companies based in Canada
- Telecom testing and diagnostics companies based in France
- Telecom testing and diagnostics companies based in Germany
- Telecom testing and diagnostics companies based in India
- Telecom testing and diagnostics companies based in Italy
Company intelligence · public preview
Top 24 telecom testing and diagnostics companies based in the United Kingdom
RevenueBase records 75 matching company records for telecom testing and diagnostics companies based in the United Kingdom, with 1,450 tracked contacts and 670 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 telecom testing and diagnostics companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Tadtelmaxtadtelmax.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 64 contacts → |
“TADTELMAX is a Worldwide Testing House Company offering the best in class Mobile Testing Services for an End-to-End Product and Software Homologation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Amfax LTDamfax.co.uk HQ: Blandford Forum, United KingdomReported employees: 51-200 | Blandford Forum, United Kingdom | 51-200 | Exact match | 63 contacts → |
“Amfax is a world class test system solutions provider, delivering high quality, high performance and cost effective automated test equipment to the aerospace, defence, rail &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Eurofins E&e UKeurofins.co.uk HQ: York, United KingdomReported employees: 51-200 | York, United Kingdom | 51-200 | Exact match | 57 contacts → |
“Eurofins E&E UK provides a comprehensive range of testing, certification and compliance services for designers and manufacturers of electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | XJTAGxjtag.com HQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 44 contacts → |
“XJTAG is a world leading producer of automated test equipment, with a wide range of tools for complex debug, test and programming.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Lynx UK LTDlynx-uk.com HQ: Andover, United KingdomReported employees: 51-200 | Andover, United Kingdom | 51-200 | Exact match | 42 contacts → |
“Lynx-UK is a telecommunications engineering and network asset management company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 4ms Network Solutions4ms.co.uk HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 32 contacts → |
“4MS specialise in networking, cyber-security and telecoms technical services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Construction Site Services LTD CSS LTDconstructionsiteservices.co.uk HQ: Newbury, United KingdomReported employees: 11-50 | Newbury, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Construction Site Services Ltd (CSS Ltd) prides itself on quality, integrity and performance to deliver bespoke solutions to the ever-changing needs of our clients both new and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ghekkoghekko.com HQ: Macclesfield, United KingdomReported employees: 11-50 | Macclesfield, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Wray Castlewraycastle.com HQ: Kendal, United KingdomReported employees: 11-50 | Kendal, United Kingdom | 11-50 | Exact match | 24 contacts → |
“We empower the global telecoms world by developing the specialist knowledge, skills and competencies organisations need to build, maintain, optimise and operate the cutting-edge…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ATE Solutions LTDatesolutions.co.uk HQ: Blisworth, United KingdomReported employees: 11-50 | Blisworth, United Kingdom | 11-50 | Exact match | 20 contacts → |
“We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Elite Interfaces LTDeliteinterfaces.com HQ: Reading, United KingdomReported employees: 11-50 | Reading, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Elite Interfaces Ltd are specialists in the supply, design and manufacture of Test Solutions and Services for the Electronics Manufacturing Industry ranging from Flying Probe…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Quarchquarch.com HQ: Aviemore, United KingdomReported employees: 11-50 | Aviemore, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Quarch Technology is a global leader in precision Test & Measurement solutions, specializing in automated power analysis and high-speed physical layer testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Frame Communicationsframe.co.uk HQ: Newmarket, United KingdomReported employees: 11-50 | Newmarket, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Frame Communications Ltd supplies a wide range of Telecoms Datacoms Test and Management solutions to Network Operators, Equipment Manufacturers, System Integrators, Field Support…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Exfo Ontologyontology.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“EXFO Ontology is revolutionising how telecommunication network operators get to know their networks – and through this, their customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The Peak Groupthepeakgroup.com HQ: Letchworth Garden City, United KingdomReported employees: 51-200 | Letchworth Garden City, United Kingdom | 51-200 | Exact match | 12 contacts → |
“The Peak Group is a proven provider of automated test and measurement solutions supporting every stage of the assembly process from component testing to highly complex functional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Blugemblugem.com HQ: Barnstaple, United KingdomReported employees: 11-50 | Barnstaple, United Kingdom | 11-50 | Exact match | 12 contacts → |
“BluGem provide independent test solutions to telecommunication companies for roaming, network service, billing, regulatory compliance and fraud detection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Teradyne Limitedteradyne.com HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Segmentation Groupsegmentationgroup.com HQ: Ashton Under Lyne, United KingdomReported employees: 11-50 | Ashton Under Lyne, United Kingdom | 11-50 | Exact match | 12 contacts → |
“We are an independent, non biased Telecoms Analytics and Management company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | United Technologists Europe Limited Utelutel.co.uk HQ: Hadleigh, United KingdomReported employees: 11-50 | Hadleigh, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Established in 1993, UTEL is a UK-based business that specialises in planning, testing, validating and monitoring telecoms networks worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Devtank LTDdevtank.co.uk HQ: Derby, United KingdomReported employees: 1-10 | Derby, United Kingdom | 1-10 | Exact match | 7 contacts → |
“From the heart of the Industrial Revolution, Devtank is disrupting the industry with their award-winning production testing and smart monitoring solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Code Magus Limitedcodemagus.com HQ: Oxford, United KingdomReported employees: 11-50 | Oxford, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Code Magus Limited (CML) provides consultancy and specialist technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Baur UKbaurtest.com HQ: Croydon, United KingdomReported employees: 1-10 | Croydon, United Kingdom | 1-10 | Exact match | 5 contacts → |
“The leading supplier of fault location and cable diagnostic test vans and systems in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Absolute Validation LTDabsolutevalidation.com HQ: Farnborough, United KingdomReported employees: 11-50 | Farnborough, United Kingdom | 11-50 | Exact match | 4 contacts → |
“At Absolute Validation, we offer a high-quality, experienced option for the live network and Field Testing needs of your wireless device.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Avizent Network Solutionsavizent.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Supplier of network test and monitoring devices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 75 company matches
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Telecom testing and diagnostics companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
74 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 75 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for telecom testing and diagnostics companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many telecom testing and diagnostics companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 75 matching company records, 1,450 tracked contacts and 670 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 24 telecom testing and diagnostics companies based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/telecom-testing-and-diagnostics-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Telecom testing and diagnostics companies based in Brazil
- Telecom testing and diagnostics companies based in Canada
- Telecom testing and diagnostics companies based in France
- Telecom testing and diagnostics companies based in Germany
- Telecom testing and diagnostics companies based in India
- Telecom testing and diagnostics companies based in Italy