Company lists · Data refreshed October 2026

Top 25 Fault finding instrument suppliers based in the United Kingdom

Name: Fault finding instrument suppliers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 98 companies tracked

RevenueBase identified 98 company matches for fault finding instrument suppliers associated with the United Kingdom as of October 2026 and tracks 2,377 professional contacts across them, including 1,391 with verified work emails. London is the largest hub.

This list covers company matches for fault finding instrument suppliers 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 October 25, 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 Oct 25, 2026 How this list was built

98Companies

2,377Contacts tracked

1,391Verified emails

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The 25 largest fault finding instrument suppliers based in the United Kingdom

Ranked by team size

Top 25 of 98 company matches for fault finding instrument suppliers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Megger	Exact match	Dover, United KingdomHQ recorded Oct 25, 2026	1,001-5,000	1,163 contacts →
	Exact match “Megger supports the people who keep essential services running.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	Quartzelec Limited	Exact match	Rugby, United KingdomHQ recorded Oct 25, 2026	501-1,000	438 contacts →
	Exact match “Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	Seaward	Exact match	Peterlee, United KingdomHQ recorded Oct 25, 2026	51-200	81 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 · Oct 25, 2026 · View company records in RevenueBase
4	MKE Engineering Group	Exact match	Sittingbourne, United KingdomHQ recorded Oct 25, 2026	51-200	63 contacts →
	Exact match “MKE Engineering (Mid Kent Electrical) is the largest independent engineering service provider of its kind in the South East, operating from 3 different sites covering Kent…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Pass LTD	Exact match	Stockton-on-tees, United KingdomHQ recorded Oct 25, 2026	51-200	53 contacts →
	Exact match “PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	PPI Engineering LTD	Exact match	Norwich, United KingdomHQ recorded Oct 25, 2026	11-50	36 contacts →
	Exact match “PPI Engineering specialises in the supply and support of rotating electrical machines and associated equipment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	Martindale Electric Co. LTD	Exact match	Watford, United KingdomHQ recorded Oct 25, 2026	11-50	35 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 · Oct 25, 2026 · View company records in RevenueBase
8	RJW Engineering	Exact match	Liverpool, United KingdomHQ recorded Oct 25, 2026	51-200	32 contacts →
	Exact match “With more than 75 years in business, RJW Engineering is one of the largest independently owned electric motor and rotating equipment companies in the UK, operating across three…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	Micro Precision	Exact match	Maidstone, United KingdomHQ recorded Oct 25, 2026	51-200	28 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 · Oct 25, 2026 · View company records in RevenueBase
10	Northern Drives And Controls LTD	Exact match	Manchester, United KingdomHQ recorded Oct 25, 2026	51-200	27 contacts →
	Exact match “NDC offer expert repairs of all industrial electronic equipment types from thousands of manufacturers.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Aspect Scientific	Exact match	Tarporley, United KingdomHQ recorded Oct 25, 2026	11-50	25 contacts →
	Exact match “Aspect Scientific are a specialist Technical Service and Support provider for medical diagnostic instrumentation.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	CPM Engineering	Exact match	Manchester, United KingdomHQ recorded Oct 25, 2026	11-50	25 contacts →
	Exact match “CPM Engineering are a Manchester based electrical and mechanical engineering company, offering reactive and preventative maintenance services to rotating machines.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	ABI Electronics	Exact match	Barnsley, United KingdomHQ recorded Oct 25, 2026	11-50	24 contacts →
	Exact match “Established in 1983 in the United Kingdom, ABI Electronics enables organisations worldwide to understand, test, repair and sustain electronic systems at component level.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	Gen3	Exact match	Farnborough, United KingdomHQ recorded Oct 25, 2026	11-50	22 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	HK Engineering LTD	Exact match	Melksham, United KingdomHQ recorded Oct 25, 2026	11-50	17 contacts →
	Exact match “HK Engineering Ltd is a leading engineering company specialising in electrical and gas testing and innovative solutions, with a solid commitment to excellence.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	Instrotech LTD	Exact match	Watford, United KingdomHQ recorded Oct 25, 2026	11-50	16 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 · Oct 25, 2026 · View company records in RevenueBase
17	SJ Electronics LTD	Exact match	Kettering, United KingdomHQ recorded Oct 25, 2026	11-50	16 contacts →
	Exact match “Technical distributor of electronic and electrical test and measurement equipment and electrical, temperature and pressure calibration systems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	Gmc-I Prosys	Exact match	Skelmersdale, United KingdomHQ recorded Oct 25, 2026	11-50	14 contacts →
	Exact match “Founded in January 2008, located in Skelmersdale (Lancashire) in North West England.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Aemt The Association Of Electrical And Mechanical Trades	Exact match	York, United KingdomHQ recorded Oct 25, 2026	1-10	14 contacts →
	Exact match “The AEMT is The Association of Electrical and Mechanical Trades founded in 1945.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	Vaseco	Exact match	Winsford Cheshire, United KingdomHQ recorded Oct 25, 2026	11-50	12 contacts →
	Exact match “Vaseco are global helium leak detection experts, founded in 1990, recognised as pioneers in vacuum, leak detection and pressure industries.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	SPM Instrument UK	Exact match	Accrington, United KingdomHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “SPM Instrument is a global leader in condition monitoring technology.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	The Validation Centre TVC LTD	Exact match	Great Yarmouth, United KingdomHQ recorded Oct 25, 2026	11-50	11 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 · Oct 25, 2026 · View company records in RevenueBase
23	Instrumentation Systems & Services LTD	Exact match	Leeds, United KingdomHQ recorded Oct 25, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	Accura Measurement LTD	Exact match	Aberdeen, United KingdomHQ recorded Oct 25, 2026	11-50	7 contacts →
	Exact match “Accura Measurement specialise in the sales, service and rental of test equipment and process instrumentation used in metering, commissioning and maintenance throughout the Oil &…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	Advanced	Exact match	Basingstoke, United KingdomHQ recorded Oct 25, 2026	11-50	6 contacts →
	Exact match “Established in 1982, Advanced has built up an outstanding reputation as the provider of world-beating equipment for AC & R service engineers.” Recorded in the RevenueBase company graph · Oct 25, 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 “fault finding instrument suppliers”. 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 25 of 98 fault finding instrument suppliers based in the United Kingdom

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Fault finding instrument suppliers based in the United Kingdom at a glance

As of Oct 25, 2026

58.5%Verified-email coverage

24.3Average contacts per company

1-10Median size (employees)

6.1%Largest-city concentration · London

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 98 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 “fault finding instrument suppliers” 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 1,391 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 October 25, 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 “fault finding instrument suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fault finding instrument suppliers are there based in the United Kingdom?

RevenueBase identified 98 company matches for fault finding instrument suppliers associated with the United Kingdom as of October 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?

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

Which city has the most fault finding instrument suppliers?

London leads with 6 company records, followed by Manchester (4) and Basingstoke (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 1,391 professional contacts with verified work emails tracked across these 98 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 October 25, 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 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.