Company lists · Data refreshed October 2026
Top 25 Electrical power testing services based in the United Kingdom
RevenueBase identified 996 company matches for electrical power testing services associated with the United Kingdom as of October 2026 and tracks 5,704 professional contacts across them, including 1,973 with verified work emails. London is the largest hub.
This list covers company matches for electrical power testing services 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.
The 25 largest electrical power testing services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | 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 | 140 contacts → | ||||
Exact match “Founded in 2010, Guardian Electrical Compliance Ltd have become the market leaders in terms of Duty Holder guidance, technical & legislative support, site delivery and after sales…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | 51 contacts → | ||||
Exact match “We are the first choice trusted partner, supporting businesses in meeting their regulatory electrical testing requirements.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 7 | 50 contacts → | ||||
Exact match “NES is an Industrial and Commercial Electrical Engineering and Contracting business, based in the North and North East of Scotland.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 8 | 49 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 · Oct 25, 2026 · View company records in RevenueBase | |||||
| 9 | 39 contacts → | ||||
Exact match “Calbarrie Compliance Services Ltd (Calbarrie) is the UK’s market leader in electrical compliance services and has been trading within the Health & Safety and Compliance sectors…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 10 | 37 contacts → | ||||
Exact match “COMPANY OVERVIEW Based near Southampton, Intersafe are compliance specialists providing a range of electrical testing services for large, commercial sites.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 11 | 36 contacts → | ||||
Exact match “High Voltage Specialists” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “SA3 Power are a Specialized Electrical Installer that provides electrical services for the Data Centers Industry across Europe.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 13 | 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 | |||||
| 14 | 32 contacts → | ||||
Exact match “ISS Ltd are a HV/LV Power Engineering company operating nationwide, undertaking Turnkey Electrical Distribution Projects and Site Service activities, including installation…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 15 | 30 contacts → | ||||
Exact match “Ashby Electrical provide a complete range of electrical design, installation, testing, inspection and maintenance services nationwide.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 16 | 29 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 · Oct 25, 2026 · View company records in RevenueBase | |||||
| 17 | 28 contacts → | ||||
Exact match “TDC Parsons Peebles design, manufacture, test, install and commission high voltage motors, generators and rotary frequency converters in the range 3.3kV to 13.8kV and up to 50MW…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 18 | 27 contacts → | ||||
Exact match “iCD Energy is a premier provider in the energy sector, offering a wide array of services for Industrial, Commercial, and Domestic markets.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 19 | 22 contacts → | ||||
Exact match “Safety Inspections Group Ltd specialise in electrical safety for both residential and commercial premises, and was created by the founders of a multi-award winning electrical…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 20 | 20 contacts → | ||||
Exact match “High Voltage & Power Distribution specialists, extensively throughout the UK & Overseas.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 21 | 18 contacts → | ||||
Exact match “RNM ELECTRICAL LIMITED is a construction company based out of 10 THE HILLOCK THE HILLOCK, BOLTON, United Kingdom.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 22 | 18 contacts → | ||||
Exact match “At Novus Compliance Services Ltd we specialise in Electrical Testing and Inspection, Maintenance, Installation design, Energy Management and refurbishment for a wide range of…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 23 | 18 contacts → | ||||
Exact match “HPES are a specialist technical electrical contractor, focussing on electrical installations, testing and compliance.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 24 | 17 contacts → | ||||
Exact match “Founded in Spin UK Ltd was the second company in the Spin Group.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 25 | 17 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 · 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 “electrical power testing services”. 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 996 electrical power testing services based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,973 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Electrical power testing services based in the United Kingdom at a glance
As of Oct 25, 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 996 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 power testing services” 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 1,973 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 “electrical power testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many electrical power testing services are there based in the United Kingdom?
RevenueBase identified 996 company matches for electrical power testing services 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 electrical power testing services?
London leads with 63 company records, followed by Manchester (15) and Sheffield (12).
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 1,973 professional contacts with verified work emails tracked across these 996 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.
Ready to reach these companies? Verified emails and direct dials for all 996 electrical power testing services based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Electrical power testing services by geography
- Electrical power testing services based in Houston, United States
- Electrical power testing services based in Australia
- Electrical power testing services based in Belgium
- Electrical power testing services based in Brazil
- Electrical power testing services based in Canada
- Electrical power testing services based in Chile
- Electrical power testing services based in Colombia
- Electrical power testing services based in France
- Electrical power testing services based in Germany
- Electrical power testing services based in India
- Electrical power testing services based in Italy
- Electrical power testing services based in Mexico
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
- Electrical power testing services based in Houston, United States
- Electrical power testing services based in Australia
- Electrical power testing services based in Belgium
- Electrical power testing services based in Brazil
- Electrical power testing services based in Canada
- Electrical power testing services based in Chile
Company intelligence · public preview
Top 25 electrical power testing services 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 996 matching company records for electrical power testing services based in the United Kingdom, with 5,704 tracked contacts and 1,973 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 25, 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 25 electrical power testing services 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 |  Meggermegger.comHQ: Dover, United KingdomReported employees: 1,001-5,000 | Dover, United Kingdom | 1,001-5,000 | Exact match | 1,163 contacts → |
“Megger supports the people who keep essential services running.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Quartzelec Limitedquartzelec.com HQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 438 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Guardian Electrical Compliance LTDguardianelectrical.co.uk HQ: Sheffield, United KingdomReported employees: 51-200 | Sheffield, United Kingdom | 51-200 | Exact match | 140 contacts → |
“Founded in 2010, Guardian Electrical Compliance Ltd have become the market leaders in terms of Duty Holder guidance, technical & legislative support, site delivery and after sales…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Seawardseaward.com HQ: Peterlee, United KingdomReported employees: 51-200 | Peterlee, United Kingdom | 51-200 | Exact match | 81 contacts → |
“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 description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pass LTDpass.co.uk HQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 53 contacts → |
“PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Lanteibesgroup.com HQ: Preston, United KingdomReported employees: 51-200 | Preston, United Kingdom | 51-200 | Exact match | 51 contacts → |
“We are the first choice trusted partner, supporting businesses in meeting their regulatory electrical testing requirements.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | NESnesnorth.com HQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 50 contacts → |
“NES is an Industrial and Commercial Electrical Engineering and Contracting business, based in the North and North East of Scotland.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Monitramonitra.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 49 contacts → |
“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 description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Calbarrie Compliance Services LTDcalbarrie.com HQ: Cheltenham, United KingdomReported employees: 51-200 | Cheltenham, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Calbarrie Compliance Services Ltd (Calbarrie) is the UK’s market leader in electrical compliance services and has been trading within the Health & Safety and Compliance sectors…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Intersafe Limitedintersafe.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 37 contacts → |
“COMPANY OVERVIEW Based near Southampton, Intersafe are compliance specialists providing a range of electrical testing services for large, commercial sites.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Aardvarc Electrical Engineers LTDaardvarcelectrical.comHQ: Hebburn, United KingdomReported employees: 51-200 | Hebburn, United Kingdom | 51-200 | Exact match | 36 contacts → |
“High Voltage Specialists” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sa3 Powersa3power.com HQ: Cookstown, United KingdomReported employees: 51-200 | Cookstown, United Kingdom | 51-200 | Exact match | 35 contacts → |
“SA3 Power are a Specialized Electrical Installer that provides electrical services for the Data Centers Industry across Europe.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Martindale Electric Co. LTDmartindale-electric.co.uk HQ: Watford, United KingdomReported employees: 11-50 | Watford, United Kingdom | 11-50 | Exact match | 35 contacts → |
“With over 95 years of experience, Martindale Electric is one of the most trusted brands in electrical safety testing.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Industrial Switchgear Services LTDiss-services.co.ukHQ: Hyde, United KingdomReported employees: 51-200 | Hyde, United Kingdom | 51-200 | Exact match | 32 contacts → |
“ISS Ltd are a HV/LV Power Engineering company operating nationwide, undertaking Turnkey Electrical Distribution Projects and Site Service activities, including installation…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ashby Electrical Limitedashbyelectrical.co.ukHQ: Pelsall, United KingdomReported employees: 11-50 | Pelsall, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Ashby Electrical provide a complete range of electrical design, installation, testing, inspection and maintenance services nationwide.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Group Management Electrical Surveys Limitedgroupmanagement.com HQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 29 contacts → |
“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 description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TDC Parsons Peeblesparsons-peebles.com HQ: Dunfermline, United KingdomReported employees: 51-200 | Dunfermline, United Kingdom | 51-200 | Exact match | 28 contacts → |
“TDC Parsons Peebles design, manufacture, test, install and commission high voltage motors, generators and rotary frequency converters in the range 3.3kV to 13.8kV and up to 50MW…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ICD Energy Metering Services LTDicd-energy.com HQ: Rotherham, United KingdomReported employees: 11-50 | Rotherham, United Kingdom | 11-50 | Exact match | 27 contacts → |
“iCD Energy is a premier provider in the energy sector, offering a wide array of services for Industrial, Commercial, and Domestic markets.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Safety Inspections Group LTDsafetyig.com HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Safety Inspections Group Ltd specialise in electrical safety for both residential and commercial premises, and was created by the founders of a multi-award winning electrical…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Matrix Powermatrixpower.co.uk HQ: Middlesbrough, United KingdomReported employees: 11-50 | Middlesbrough, United Kingdom | 11-50 | Exact match | 20 contacts → |
“High Voltage & Power Distribution specialists, extensively throughout the UK & Overseas.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RNM Electrical Limitedrnmservices.co.uk HQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 18 contacts → |
“RNM ELECTRICAL LIMITED is a construction company based out of 10 THE HILLOCK THE HILLOCK, BOLTON, United Kingdom.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Novus Compliance Services Limitednovuscompliance.co.uk HQ: Bishop Stortford, United KingdomReported employees: 51-200 | Bishop Stortford, United Kingdom | 51-200 | Exact match | 18 contacts → |
“At Novus Compliance Services Ltd we specialise in Electrical Testing and Inspection, Maintenance, Installation design, Energy Management and refurbishment for a wide range of…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Hpes Technical Solutions LTDhpestechnical.com HQ: Stowmarket, United KingdomReported employees: 1-10 | Stowmarket, United Kingdom | 1-10 | Exact match | 18 contacts → |
“HPES are a specialist technical electrical contractor, focussing on electrical installations, testing and compliance.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Spin UK Limitedspinuk.com HQ: Worcester, United KingdomReported employees: 11-50 | Worcester, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Founded in Spin UK Ltd was the second company in the Spin Group.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  ATE Solutions LTDatesolutions.co.ukHQ: Blisworth, United KingdomReported employees: 11-50 | Blisworth, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 996 company matches
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Electrical power testing services: dataset insights
October 25, 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
955 records in the displayed employee bands.
41 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 996 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: October 25, 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 electrical power testing services?
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 electrical power testing services did RevenueBase find based in the United Kingdom?
The saved snapshot records 996 matching company records, 5,704 tracked contacts and 1,973 verified emails. The public preview displays 25 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: October 25, 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
Electrical power testing services by geography
- Electrical power testing services based in Houston, United States
- Electrical power testing services based in Australia
- Electrical power testing services based in Belgium
- Electrical power testing services based in Brazil
- Electrical power testing services based in Canada
- Electrical power testing services based in Chile
- Electrical power testing services based in Colombia
- Electrical power testing services based in France
- Electrical power testing services based in Germany
- Electrical power testing services based in India
- Electrical power testing services based in Italy
- Electrical power testing services based in Mexico
Cite this list
RevenueBase Data Team. Top 25 electrical power testing services based in the United Kingdom. Snapshot: October 25, 2026. https://revenuebase.ai/companies/electrical-power-testing-services/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
- Electrical power testing services based in Houston, United States
- Electrical power testing services based in Australia
- Electrical power testing services based in Belgium
- Electrical power testing services based in Brazil
- Electrical power testing services based in Canada
- Electrical power testing services based in Chile
Company intelligence · public preview
Top 25 electrical power testing services based in the United Kingdom
RevenueBase records 996 matching company records for electrical power testing services based in the United Kingdom, with 5,704 tracked contacts and 1,973 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 25, 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 25 electrical power testing services 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 | Meggermegger.com HQ: Dover, United KingdomReported employees: 1,001-5,000 | Dover, United Kingdom | 1,001-5,000 | Exact match | 1,163 contacts → |
“Megger supports the people who keep essential services running.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Quartzelec Limitedquartzelec.com HQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 438 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Guardian Electrical Compliance LTDguardianelectrical.co.uk HQ: Sheffield, United KingdomReported employees: 51-200 | Sheffield, United Kingdom | 51-200 | Exact match | 140 contacts → |
“Founded in 2010, Guardian Electrical Compliance Ltd have become the market leaders in terms of Duty Holder guidance, technical & legislative support, site delivery and after sales…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Seawardseaward.com HQ: Peterlee, United KingdomReported employees: 51-200 | Peterlee, United Kingdom | 51-200 | Exact match | 81 contacts → |
“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 description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pass LTDpass.co.uk HQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 53 contacts → |
“PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Lanteibesgroup.com HQ: Preston, United KingdomReported employees: 51-200 | Preston, United Kingdom | 51-200 | Exact match | 51 contacts → |
“We are the first choice trusted partner, supporting businesses in meeting their regulatory electrical testing requirements.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | NESnesnorth.com HQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 50 contacts → |
“NES is an Industrial and Commercial Electrical Engineering and Contracting business, based in the North and North East of Scotland.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Monitramonitra.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 49 contacts → |
“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 description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Calbarrie Compliance Services LTDcalbarrie.com HQ: Cheltenham, United KingdomReported employees: 51-200 | Cheltenham, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Calbarrie Compliance Services Ltd (Calbarrie) is the UK’s market leader in electrical compliance services and has been trading within the Health & Safety and Compliance sectors…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Intersafe Limitedintersafe.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 37 contacts → |
“COMPANY OVERVIEW Based near Southampton, Intersafe are compliance specialists providing a range of electrical testing services for large, commercial sites.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Aardvarc Electrical Engineers LTDaardvarcelectrical.com HQ: Hebburn, United KingdomReported employees: 51-200 | Hebburn, United Kingdom | 51-200 | Exact match | 36 contacts → |
“High Voltage Specialists” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sa3 Powersa3power.com HQ: Cookstown, United KingdomReported employees: 51-200 | Cookstown, United Kingdom | 51-200 | Exact match | 35 contacts → |
“SA3 Power are a Specialized Electrical Installer that provides electrical services for the Data Centers Industry across Europe.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Martindale Electric Co. LTDmartindale-electric.co.uk HQ: Watford, United KingdomReported employees: 11-50 | Watford, United Kingdom | 11-50 | Exact match | 35 contacts → |
“With over 95 years of experience, Martindale Electric is one of the most trusted brands in electrical safety testing.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Industrial Switchgear Services LTDiss-services.co.uk HQ: Hyde, United KingdomReported employees: 51-200 | Hyde, United Kingdom | 51-200 | Exact match | 32 contacts → |
“ISS Ltd are a HV/LV Power Engineering company operating nationwide, undertaking Turnkey Electrical Distribution Projects and Site Service activities, including installation…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ashby Electrical Limitedashbyelectrical.co.uk HQ: Pelsall, United KingdomReported employees: 11-50 | Pelsall, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Ashby Electrical provide a complete range of electrical design, installation, testing, inspection and maintenance services nationwide.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Group Management Electrical Surveys Limitedgroupmanagement.com HQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 29 contacts → |
“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 description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TDC Parsons Peeblesparsons-peebles.com HQ: Dunfermline, United KingdomReported employees: 51-200 | Dunfermline, United Kingdom | 51-200 | Exact match | 28 contacts → |
“TDC Parsons Peebles design, manufacture, test, install and commission high voltage motors, generators and rotary frequency converters in the range 3.3kV to 13.8kV and up to 50MW…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ICD Energy Metering Services LTDicd-energy.com HQ: Rotherham, United KingdomReported employees: 11-50 | Rotherham, United Kingdom | 11-50 | Exact match | 27 contacts → |
“iCD Energy is a premier provider in the energy sector, offering a wide array of services for Industrial, Commercial, and Domestic markets.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Safety Inspections Group LTDsafetyig.com HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Safety Inspections Group Ltd specialise in electrical safety for both residential and commercial premises, and was created by the founders of a multi-award winning electrical…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Matrix Powermatrixpower.co.uk HQ: Middlesbrough, United KingdomReported employees: 11-50 | Middlesbrough, United Kingdom | 11-50 | Exact match | 20 contacts → |
“High Voltage & Power Distribution specialists, extensively throughout the UK & Overseas.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RNM Electrical Limitedrnmservices.co.uk HQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 18 contacts → |
“RNM ELECTRICAL LIMITED is a construction company based out of 10 THE HILLOCK THE HILLOCK, BOLTON, United Kingdom.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Novus Compliance Services Limitednovuscompliance.co.uk HQ: Bishop Stortford, United KingdomReported employees: 51-200 | Bishop Stortford, United Kingdom | 51-200 | Exact match | 18 contacts → |
“At Novus Compliance Services Ltd we specialise in Electrical Testing and Inspection, Maintenance, Installation design, Energy Management and refurbishment for a wide range of…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Hpes Technical Solutions LTDhpestechnical.com HQ: Stowmarket, United KingdomReported employees: 1-10 | Stowmarket, United Kingdom | 1-10 | Exact match | 18 contacts → |
“HPES are a specialist technical electrical contractor, focussing on electrical installations, testing and compliance.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Spin UK Limitedspinuk.com HQ: Worcester, United KingdomReported employees: 11-50 | Worcester, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Founded in Spin UK Ltd was the second company in the Spin Group.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ATE Solutions LTDatesolutions.co.uk HQ: Blisworth, United KingdomReported employees: 11-50 | Blisworth, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 996 company matches
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Electrical power testing services: dataset insights
October 25, 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
955 records in the displayed employee bands.
41 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 996 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: October 25, 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 electrical power testing services?
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 electrical power testing services did RevenueBase find based in the United Kingdom?
The saved snapshot records 996 matching company records, 5,704 tracked contacts and 1,973 verified emails. The public preview displays 25 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: October 25, 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.
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Cite this list
RevenueBase Data Team. Top 25 electrical power testing services based in the United Kingdom. Snapshot: October 25, 2026. https://revenuebase.ai/companies/electrical-power-testing-services/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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