Company lists · Data refreshed September 2026
Top 25 Electrical testing and commissioning firms based in the United Kingdom
RevenueBase identified 3,157 company matches for electrical testing and commissioning firms associated with the United Kingdom as of September 2026 and tracks 16,949 professional contacts across them, including 4,373 with verified work emails. London is the largest hub.
This list covers company matches for electrical testing and commissioning firms 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 19, 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 testing and commissioning firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 412 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 183 contacts → | ||||
Exact match “JKM Electricals is a well-established company which has built up a first-class reputation, Through successfully delivering high-quality workmanship.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 137 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 112 contacts → | ||||
Exact match “Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 109 contacts → | ||||
Exact match “Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 105 contacts → | ||||
Exact match “Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 94 contacts → | ||||
Exact match “We’ve been providing fire and electrical compliance services for over 30 years, supporting clients across London and the Southeast with our locally based engineers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 94 contacts → | ||||
Exact match “With over 35 Years expertise, Sureserve Compliance Fire is an Industry leading business excelling in delivering Fire and Electrical compliance and testing services to housing…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 83 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 19, 2026 · View company records in RevenueBase | |||||
| 10 | 82 contacts → | ||||
Exact match “GTDS was established in July 2004 to provide specialist installation and commissioning services to the major manufacturers, National Grid and the Distribution Network Operators…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 79 contacts → | ||||
Exact match “AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 75 contacts → | ||||
Exact match “Fletcher Moorland Ltd, are the experts in repairing, replacing, or upgrading Electric Motors, Pumps, Air Handling Units, Inverter Drives, Servo Motors, HMIs, PCBs, PSUs and more.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 62 contacts → | ||||
Exact match “Through our integrated electrical, control & instrumentation services we design, construct & deliver complete projects & provide maintenance services to companies throughout the…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 58 contacts → | ||||
Exact match “LCA Group is a leading provider of project design, manufacture, installation, commissioning and maintenance of electrical, instrumentation and control systems throughout the UK…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 58 contacts → | ||||
Exact match “Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 56 contacts → | ||||
Exact match “01902 894871 Marking its 25th anniversary this year, Orton is a leading provider of electrical, mechanical, installation and maintenance services covering both commercial and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 55 contacts → | ||||
Exact match “Mechanical & Electrical Design and Installation company specialising in Commercial, Retail, Industrial and Leisure Projects.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 55 contacts → | ||||
Exact match “HVSS (High Voltage Substation Services) was formed in 2009 specializing in installation and commissioning of High Voltage Substations Systems up to 400kV.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 53 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 53 contacts → | ||||
Exact match “RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 51 contacts → | ||||
Exact match “Wiggett Electrical has gone from strength to strength.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 51 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 19, 2026 · View company records in RevenueBase | |||||
| 24 | 51 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 47 contacts → | ||||
Exact match “Lloyd Morris Electrical Limited is a company of Electrical Engineers, specialising in the design, manufacture and installation of Electrical Distribution and Control Systems for…” Recorded in the RevenueBase company graph · Sep 19, 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 testing and commissioning firms”. 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 3,157 electrical testing and commissioning firms based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 4,373 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Electrical testing and commissioning firms based in the United Kingdom at a glance
As of Sep 19, 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 3,157 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 and commissioning firms” 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 4,373 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 19, 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.
Electrical testing and commissioning firms by metro
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 and commissioning firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many electrical testing and commissioning firms are there based in the United Kingdom?
RevenueBase identified 3,157 company matches for electrical testing and commissioning firms 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?
Quartzelec Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most electrical testing and commissioning firms?
London leads with 190 company records, followed by Manchester (48) and Bristol (33).
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 4,373 professional contacts with verified work emails tracked across these 3,157 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,157 electrical testing and commissioning firms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Electrical testing and commissioning firms by geography
- Electrical testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
- Electrical testing and commissioning firms based in Leicester, United Kingdom
- Electrical testing and commissioning firms based in London, United Kingdom
- Electrical testing and commissioning firms based in Manchester, United Kingdom
- Electrical testing and commissioning firms based in Sheffield, United Kingdom
- Electrical testing and commissioning firms based in Houston, United States
- Electrical testing and commissioning firms based in New York, 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
- Electrical testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
Company intelligence · public preview
Top 25 electrical testing and commissioning firms 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 3,157 matching company records for electrical testing and commissioning firms based in the United Kingdom, with 16,949 tracked contacts and 4,373 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: September 19, 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 testing and commissioning firms 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 | Quartzelec Limitedquartzelec.com HQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 412 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | JKMjkm.org.uk HQ: Bedlington, United KingdomReported employees: 201-500 | Bedlington, United Kingdom | 201-500 | Exact match | 183 contacts → |
“JKM Electricals is a well-established company which has built up a first-class reputation, Through successfully delivering high-quality workmanship.” Recorded description excerpt · September 19, 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 | 137 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Darke & Taylor LTDdarkeandtaylor.co.ukHQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 112 contacts → |
“Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | G & A Barnie Group LTDgabarnie.co.uk HQ: Inverness, United KingdomReported employees: 201-500 | Inverness, United Kingdom | 201-500 | Exact match | 109 contacts → |
“Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Rock Power Connections LTDrockpowerconnections.co.ukHQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 105 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | RGE Servicesrgeservices.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 94 contacts → |
“We’ve been providing fire and electrical compliance services for over 30 years, supporting clients across London and the Southeast with our locally based engineers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sureserve Compliance Firesureserve.co.ukHQ: Horsham, United KingdomReported employees: 501-1,000 | Horsham, United Kingdom | 501-1,000 | Exact match | 94 contacts → |
“With over 35 Years expertise, Sureserve Compliance Fire is an Industry leading business excelling in delivering Fire and Electrical compliance and testing services to housing…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Seawardseaward.com HQ: Peterlee, United KingdomReported employees: 51-200 | Peterlee, United Kingdom | 51-200 | Exact match | 83 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | GTDSgtds.co.uk HQ: Hill, United KingdomReported employees: 51-200 | Hill, United Kingdom | 51-200 | Exact match | 82 contacts → |
“GTDS was established in July 2004 to provide specialist installation and commissioning services to the major manufacturers, National Grid and the Distribution Network Operators…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  AKDakd.netHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 79 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Fletcher Moorlandfletchermoorland.co.uk HQ: Stoke On Trent, United KingdomReported employees: 51-200 | Stoke On Trent, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Fletcher Moorland Ltd, are the experts in repairing, replacing, or upgrading Electric Motors, Pumps, Air Handling Units, Inverter Drives, Servo Motors, HMIs, PCBs, PSUs and more.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | MKE Engineering Groupmke.co.uk HQ: Sittingbourne, United KingdomReported employees: 51-200 | Sittingbourne, United Kingdom | 51-200 | Exact match | 63 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  C&p Engineering Services LTDcpengineering.co.ukHQ: Swansea, United KingdomReported employees: 51-200 | Swansea, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Through our integrated electrical, control & instrumentation services we design, construct & deliver complete projects & provide maintenance services to companies throughout the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  LCA Grouplcagroup.co.ukHQ: Harwarden, United KingdomReported employees: 51-200 | Harwarden, United Kingdom | 51-200 | Exact match | 58 contacts → |
“LCA Group is a leading provider of project design, manufacture, installation, commissioning and maintenance of electrical, instrumentation and control systems throughout the UK…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Premier Electricspremierelectrics.com HQ: Magherafelt, United KingdomReported employees: 51-200 | Magherafelt, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Orton Group LTDortongroup.co.uk HQ: Wombourne, United KingdomReported employees: 51-200 | Wombourne, United Kingdom | 51-200 | Exact match | 56 contacts → |
“01902 894871 Marking its 25th anniversary this year, Orton is a leading provider of electrical, mechanical, installation and maintenance services covering both commercial and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Pitts Wilson Limitedpittswilson.comHQ: Bradford, United KingdomReported employees: 51-200 | Bradford, United Kingdom | 51-200 | Exact match | 55 contacts → |
“Mechanical & Electrical Design and Installation company specialising in Commercial, Retail, Industrial and Leisure Projects.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Watford, United KingdomReported employees: 11-50 | Watford, United Kingdom | 11-50 | Exact match | 55 contacts → |
“HVSS (High Voltage Substation Services) was formed in 2009 specializing in installation and commissioning of High Voltage Substations Systems up to 400kV.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lanteibesgroup.com HQ: Preston, United KingdomReported employees: 51-200 | Preston, United Kingdom | 51-200 | Exact match | 53 contacts → |
“We are the first choice trusted partner, supporting businesses in meeting their regulatory electrical testing requirements.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RJ Powerrjpowernetworks.co.uk HQ: Sidcup, United KingdomReported employees: 51-200 | Sidcup, United Kingdom | 51-200 | Exact match | 53 contacts → |
“RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | The Wiggett Group LTDwiggettgroup.com HQ: Brentwood, United KingdomReported employees: 201-500 | Brentwood, United Kingdom | 201-500 | Exact match | 51 contacts → |
“Wiggett Electrical has gone from strength to strength.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Monitramonitra.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 51 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | NESnesnorth.com HQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 51 contacts → |
“NES is an Industrial and Commercial Electrical Engineering and Contracting business, based in the North and North East of Scotland.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Lloyd Morris Electrical LTDlloydmorris.co.ukHQ: Wrexham, United KingdomReported employees: 51-200 | Wrexham, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Lloyd Morris Electrical Limited is a company of Electrical Engineers, specialising in the design, manufacture and installation of Electrical Distribution and Control Systems for…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,157 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Electrical testing and commissioning firms: dataset insights
September 19, 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
3,085 records in the displayed employee bands.
72 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 3,157 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: September 19, 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 ↗
Electrical testing and commissioning firms by metro
Questions about this company list
What does Exact match mean for electrical testing and commissioning firms?
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 testing and commissioning firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 3,157 matching company records, 16,949 tracked contacts and 4,373 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: September 19, 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 testing and commissioning firms by geography
- Electrical testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
- Electrical testing and commissioning firms based in Leicester, United Kingdom
- Electrical testing and commissioning firms based in London, United Kingdom
- Electrical testing and commissioning firms based in Manchester, United Kingdom
- Electrical testing and commissioning firms based in Sheffield, United Kingdom
- Electrical testing and commissioning firms based in Houston, United States
- Electrical testing and commissioning firms based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 electrical testing and commissioning firms based in the United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/electrical-testing-and-commissioning-firms/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 testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
Company intelligence · public preview
Top 25 electrical testing and commissioning firms based in the United Kingdom
RevenueBase records 3,157 matching company records for electrical testing and commissioning firms based in the United Kingdom, with 16,949 tracked contacts and 4,373 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: September 19, 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 testing and commissioning firms 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 | Quartzelec Limitedquartzelec.com HQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 412 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | JKMjkm.org.uk HQ: Bedlington, United KingdomReported employees: 201-500 | Bedlington, United Kingdom | 201-500 | Exact match | 183 contacts → |
“JKM Electricals is a well-established company which has built up a first-class reputation, Through successfully delivering high-quality workmanship.” Recorded description excerpt · September 19, 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 | 137 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Darke & Taylor LTDdarkeandtaylor.co.uk HQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 112 contacts → |
“Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | G & A Barnie Group LTDgabarnie.co.uk HQ: Inverness, United KingdomReported employees: 201-500 | Inverness, United Kingdom | 201-500 | Exact match | 109 contacts → |
“Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Rock Power Connections LTDrockpowerconnections.co.uk HQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 105 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | RGE Servicesrgeservices.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 94 contacts → |
“We’ve been providing fire and electrical compliance services for over 30 years, supporting clients across London and the Southeast with our locally based engineers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sureserve Compliance Firesureserve.co.uk HQ: Horsham, United KingdomReported employees: 501-1,000 | Horsham, United Kingdom | 501-1,000 | Exact match | 94 contacts → |
“With over 35 Years expertise, Sureserve Compliance Fire is an Industry leading business excelling in delivering Fire and Electrical compliance and testing services to housing…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Seawardseaward.com HQ: Peterlee, United KingdomReported employees: 51-200 | Peterlee, United Kingdom | 51-200 | Exact match | 83 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | GTDSgtds.co.uk HQ: Hill, United KingdomReported employees: 51-200 | Hill, United Kingdom | 51-200 | Exact match | 82 contacts → |
“GTDS was established in July 2004 to provide specialist installation and commissioning services to the major manufacturers, National Grid and the Distribution Network Operators…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | AKDakd.net HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 79 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Fletcher Moorlandfletchermoorland.co.uk HQ: Stoke On Trent, United KingdomReported employees: 51-200 | Stoke On Trent, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Fletcher Moorland Ltd, are the experts in repairing, replacing, or upgrading Electric Motors, Pumps, Air Handling Units, Inverter Drives, Servo Motors, HMIs, PCBs, PSUs and more.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | MKE Engineering Groupmke.co.uk HQ: Sittingbourne, United KingdomReported employees: 51-200 | Sittingbourne, United Kingdom | 51-200 | Exact match | 63 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | C&p Engineering Services LTDcpengineering.co.uk HQ: Swansea, United KingdomReported employees: 51-200 | Swansea, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Through our integrated electrical, control & instrumentation services we design, construct & deliver complete projects & provide maintenance services to companies throughout the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | LCA Grouplcagroup.co.uk HQ: Harwarden, United KingdomReported employees: 51-200 | Harwarden, United Kingdom | 51-200 | Exact match | 58 contacts → |
“LCA Group is a leading provider of project design, manufacture, installation, commissioning and maintenance of electrical, instrumentation and control systems throughout the UK…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Premier Electricspremierelectrics.com HQ: Magherafelt, United KingdomReported employees: 51-200 | Magherafelt, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Orton Group LTDortongroup.co.uk HQ: Wombourne, United KingdomReported employees: 51-200 | Wombourne, United Kingdom | 51-200 | Exact match | 56 contacts → |
“01902 894871 Marking its 25th anniversary this year, Orton is a leading provider of electrical, mechanical, installation and maintenance services covering both commercial and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Pitts Wilson Limitedpittswilson.com HQ: Bradford, United KingdomReported employees: 51-200 | Bradford, United Kingdom | 51-200 | Exact match | 55 contacts → |
“Mechanical & Electrical Design and Installation company specialising in Commercial, Retail, Industrial and Leisure Projects.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Watford, United KingdomReported employees: 11-50 | Watford, United Kingdom | 11-50 | Exact match | 55 contacts → |
“HVSS (High Voltage Substation Services) was formed in 2009 specializing in installation and commissioning of High Voltage Substations Systems up to 400kV.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lanteibesgroup.com HQ: Preston, United KingdomReported employees: 51-200 | Preston, United Kingdom | 51-200 | Exact match | 53 contacts → |
“We are the first choice trusted partner, supporting businesses in meeting their regulatory electrical testing requirements.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RJ Powerrjpowernetworks.co.uk HQ: Sidcup, United KingdomReported employees: 51-200 | Sidcup, United Kingdom | 51-200 | Exact match | 53 contacts → |
“RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | The Wiggett Group LTDwiggettgroup.com HQ: Brentwood, United KingdomReported employees: 201-500 | Brentwood, United Kingdom | 201-500 | Exact match | 51 contacts → |
“Wiggett Electrical has gone from strength to strength.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Monitramonitra.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 51 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | NESnesnorth.com HQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 51 contacts → |
“NES is an Industrial and Commercial Electrical Engineering and Contracting business, based in the North and North East of Scotland.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Lloyd Morris Electrical LTDlloydmorris.co.uk HQ: Wrexham, United KingdomReported employees: 51-200 | Wrexham, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Lloyd Morris Electrical Limited is a company of Electrical Engineers, specialising in the design, manufacture and installation of Electrical Distribution and Control Systems for…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,157 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Electrical testing and commissioning firms: dataset insights
September 19, 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
3,085 records in the displayed employee bands.
72 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 3,157 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: September 19, 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 ↗
Electrical testing and commissioning firms by metro
Questions about this company list
What does Exact match mean for electrical testing and commissioning firms?
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 testing and commissioning firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 3,157 matching company records, 16,949 tracked contacts and 4,373 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: September 19, 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 testing and commissioning firms by geography
- Electrical testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
- Electrical testing and commissioning firms based in Leicester, United Kingdom
- Electrical testing and commissioning firms based in London, United Kingdom
- Electrical testing and commissioning firms based in Manchester, United Kingdom
- Electrical testing and commissioning firms based in Sheffield, United Kingdom
- Electrical testing and commissioning firms based in Houston, United States
- Electrical testing and commissioning firms based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 electrical testing and commissioning firms based in the United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/electrical-testing-and-commissioning-firms/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 testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom