Company lists · Data refreshed September 2026

Top 25 Electrical testing equipment manufacturers based in the United Kingdom

RevenueBase identified 92 company matches for electrical testing equipment manufacturers associated with the United Kingdom as of September 2026 and tracks 619 professional contacts across them, including 252 with verified work emails. London is the largest hub.

This list covers company matches for electrical testing equipment manufacturers 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 September 16, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 16, 2026 How this list was built
92Companies
619Contacts tracked
252Verified emails
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The 25 largest electrical testing equipment manufacturers based in the United Kingdom

Ranked by team size
Top 25 of 92 company matches for electrical testing equipment manufacturers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPeterlee, United KingdomHQ recorded Sep 16, 202651-20083 contacts →

Exact match

“With over 75 years’ experience at the cutting edge of electrical safety testing, our expertise and innovations have produced a number of world firsts.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchHigh Wycombe, United KingdomHQ recorded Sep 16, 202651-20061 contacts →

Exact match

“With decades of experience, the close-knit team at TREND Networks (Formerly IDEAL Networks) understands the challenges that data cable installers, network technicians and systems…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchManchester, United KingdomHQ recorded Sep 16, 202651-20051 contacts →

Exact match

“Monitra (formerly HVPD) are experts in the field of Partial Discharge (PD) testing and monitoring of Medium Voltage and High Voltage electrical equipment, which can be performed…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchHalifax, United KingdomHQ recorded Sep 16, 202611-5032 contacts →

Exact match

“For the last 25 years, Group Management Electrical Surveys have been providing Electrical Inspection, Test and Documentation services to many of the UK's leading companies.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchWatford, United KingdomHQ recorded Sep 16, 202611-5032 contacts →

Exact match

“With over 95 years of experience, Martindale Electric is one of the most trusted brands in electrical safety testing.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchMaidstone, United KingdomHQ recorded Sep 16, 202651-20027 contacts →

Exact match

“Offering a comprehensive solution to meet the demands of Test & Measurement professionals both nationally and internationally, including Test Equipment Sales, Calibration…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchFarnborough, United KingdomHQ recorded Sep 16, 202611-5022 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchHuntingdon, United KingdomHQ recorded Sep 16, 202651-20018 contacts →

Exact match

“Aim-TTi designs and manufactures advanced electronic test and measurement equipment and laboratory power supplies in the UK.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchSunningdale, United KingdomHQ recorded Sep 16, 202611-5017 contacts →

Exact match

“Established in 2004, Kewtech Corporation is now the leading UK manufacturer of electrical test equipment.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchBlisworth, United KingdomHQ recorded Sep 16, 202611-5017 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 · Sep 16, 2026 · View company records in RevenueBase
11Exact matchSkelmersdale, United KingdomHQ recorded Sep 16, 202611-5013 contacts →

Exact match

“Founded in January 2008, located in Skelmersdale (Lancashire) in North West England.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchWatford, United KingdomHQ recorded Sep 16, 202611-5013 contacts →

Exact match

“Tel:+44 (0)1923 442244 Email: sales@instrotech.com Instrotech is a specialist distributor of electrical and environmental test equipment representing all of the major brands.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchGreat Yarmouth, United KingdomHQ recorded Sep 16, 202611-5012 contacts →

Exact match

“TVC is a technology and service company that has been providing safety-critical solutions to industry sectors around the globe since 1995.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchLarne, United KingdomHQ recorded Sep 16, 202611-5010 contacts →

Exact match

“Formed in 2012, Independent Company Safety Services (ICSS) Ltd specialise in Electrical Safety Compliance, and provides Portable Appliance Testing (PAT), Fixed Wire Testing…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchCannock, United KingdomHQ recorded Sep 16, 202651-20010 contacts →

Exact match

“Electrical testing, installations, repairs & remedial works.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchStoke-on-trent, United KingdomHQ recorded Sep 16, 202611-508 contacts →

Exact match

“Jackmark is a UK-based specialist in the design, development and manufacture of reliable electrical functional test equipment, primarily serving the automotive industry while also…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchTrafford Park, United KingdomHQ recorded Sep 16, 202611-508 contacts →

Exact match

“Di-LOG Test Equipment is a UK based manufacturer in the supply of Test & Measurement equipment founded in 1998.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchLeicester, United KingdomHQ recorded Sep 16, 202611-505 contacts →

Exact match

“Newtons4th Ltd (abbreviated to N4L) was established in 1997 to design, manufacture and support innovative electronic equipment to a world-wide market.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchCroydon, United KingdomHQ recorded Sep 16, 20261-105 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 · Sep 16, 2026 · View company records in RevenueBase
20Exact matchBournemouth, United KingdomHQ recorded Sep 16, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchEpsom, United KingdomHQ recorded Sep 16, 20261-103 contacts →

Exact match

“Metrel UK is a recognised supplier in the measurement and testing industry through the design and manufacture of advanced and innovative test and measurement solutions.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchHemsworth, United KingdomHQ recorded Sep 16, 20261-103 contacts →

Exact match

“Orange Tree Electrical are specialist providers of electrical inspection & testing services including fixed wiring testing, portable appliance testing, thermographic surveys and…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchHerne Bay, United KingdomHQ recorded Sep 16, 202611-502 contacts →

Exact match

“Supplier of Safety and Function test equipment for all types of electrical goods - luminaries, white goods, audio equipment.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchPeterborough, United KingdomHQ recorded Sep 16, 202611-502 contacts →

Exact match

“Electrical testing and compliance solutions.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchChelmsford, United KingdomHQ recorded Sep 16, 20261-102 contacts →

Exact match

“S J Harris Electrical - Inspection & Testing of Electrical Installations,Emergency Lighting Inspection & Testing,Portable Appliance Testing,Electrical Load Analysis,Thermal Image…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 92 electrical testing equipment manufacturers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 252 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical testing equipment manufacturers based in the United Kingdom at a glance

As of Sep 16, 2026
40.7%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
7.6%Largest-city concentration · London
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
25
51-200
9
201-500
2
1,001-5,000
2

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 92 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 “electrical testing equipment manufacturers” 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 252 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 September 16, 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 “electrical testing equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical testing equipment manufacturers are there based in the United Kingdom?

RevenueBase identified 92 company matches for electrical testing equipment manufacturers associated with the United Kingdom as of September 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?

Seaward tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most electrical testing equipment manufacturers?

London leads with 7 company records, followed by Harrogate (2) and Leicester (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 252 professional contacts with verified work emails tracked across these 92 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 September 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 92 electrical testing equipment manufacturers based in the United Kingdom. Start with a free account, no credit card.

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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 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.