Company lists · Data refreshed November 2026
Top 25 Power system maintenance contractors based in the United Kingdom
RevenueBase identified 1,200 company matches for power system maintenance contractors associated with the United Kingdom as of November 2026 and tracks 9,588 professional contacts across them, including 2,828 with verified work emails. London is the largest hub.
This list covers company matches for power system maintenance contractors associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest power system maintenance contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,198 contacts → | ||||
Exact match “Megger supports the people who keep essential services running.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 456 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 124 contacts → | ||||
Exact match “WB Power Services Ltd (now proudly part of Rehlko) provide critical power services to some of the UK’s most important businesses and organisations, ensuring essential services are…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 82 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 76 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 62 contacts → | ||||
Exact match “Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 61 contacts → | ||||
Exact match “Wiggett Electrical has gone from strength to strength.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 61 contacts → | ||||
Exact match “AUS is a specialist supplier to the electricity distribution and transmission, rail, utility arboricultural, and telecommunications industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 60 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 54 contacts → | ||||
Exact match “M&E Maintenance & Installation Service Provider” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 54 contacts → | ||||
Exact match “PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 45 contacts → | ||||
Exact match “Cenelec Standards Inspections specialise in Electrical, Instrument and Mechanical Hazardous Area Inspection and Maintenance for clients in need of support to comply with the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 40 contacts → | ||||
Exact match “Established over 20 years ago by our Chairman, F.E.S.(EX) is a leading provider of a range of E, I&M services for all industries across both hazardous and non- hazardous…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 40 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 39 contacts → | ||||
Exact match “Keeping power, water, and rail moving since 1966.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 39 contacts → | ||||
Exact match “THAT'S WHAT WE'RE ABOUT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 38 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 36 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 35 contacts → | ||||
Exact match “FiveFour Engineering Service work within the United Kingdom, Central Europe and Scandinavia for clients that have power requirements in either traditional methods of new build or…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 35 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 35 contacts → | ||||
Exact match “Wren Environmental Ltd specialise in the Planned Preventative Maintenance and Installation Services within the Mechanical and Electrical industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 35 contacts → | ||||
Exact match “We enable safe, reliable operations and reduced outages for energy assets across the globe through our people, our expertise, and our commitment to deliver Integrated Service…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 32 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 32 contacts → | ||||
Exact match “With more than 75 years in business, RJW Engineering is one of the largest independently owned electric motor and rotating equipment companies in the UK, operating across three…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “power system maintenance contractors”. 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 1,200 power system maintenance contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 2,828 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Power system maintenance contractors based in the United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,200 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 “power system maintenance contractors” 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 2,828 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Power system maintenance contractors 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 “power system maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many power system maintenance contractors are there based in the United Kingdom?
RevenueBase identified 1,200 company matches for power system maintenance contractors associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Megger tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most power system maintenance contractors?
London leads with 70 company records, followed by Manchester (28) and Liverpool (17).
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 2,828 professional contacts with verified work emails tracked across these 1,200 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,200 power system maintenance contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Power system maintenance contractors by geography
- Power system maintenance contractors based in Sao Paulo, Brazil
- Power system maintenance contractors based in Auckland, New Zealand
- Power system maintenance contractors based in Dubai, United Arab Emirates
- Power system maintenance contractors based in London, United Kingdom
- Power system maintenance contractors based in Manchester, United Kingdom
- Power system maintenance contractors based in Houston, United States
- Power system maintenance contractors based in Argentina
- Power system maintenance contractors based in Australia
- Power system maintenance contractors based in Belgium
- Power system maintenance contractors based in Brazil
- Power system maintenance contractors based in Canada
- Power system maintenance contractors based in Chile
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
- Power system maintenance contractors based in Sao Paulo, Brazil
- Power system maintenance contractors based in Auckland, New Zealand
- Power system maintenance contractors based in Dubai, United Arab Emirates
- Power system maintenance contractors based in London, United Kingdom
- Power system maintenance contractors based in Manchester, United Kingdom
- Power system maintenance contractors based in Houston, United States
Company intelligence · public preview
Top 25 power system maintenance contractors 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 1,200 matching company records for power system maintenance contractors based in the United Kingdom, with 9,588 tracked contacts and 2,828 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: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 power system maintenance contractors 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 | 1,198 contacts → |
“Megger supports the people who keep essential services running.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Quartzelec Limitedquartzelec.comHQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 456 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  WB Power Services LTDwbpsltd.co.ukHQ: Heanor, United KingdomReported employees: 51-200 | Heanor, United Kingdom | 51-200 | Exact match | 124 contacts → |
“WB Power Services Ltd (now proudly part of Rehlko) provide critical power services to some of the UK’s most important businesses and organisations, ensuring essential services are…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  AKDakd.netHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 82 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Fletcher Moorlandfletchermoorland.co.ukHQ: Stoke On Trent, United KingdomReported employees: 51-200 | Stoke On Trent, United Kingdom | 51-200 | Exact match | 76 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Premier Electricspremierelectrics.comHQ: Magherafelt, United KingdomReported employees: 51-200 | Magherafelt, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  The Wiggett Group LTDwiggettgroup.comHQ: Brentwood, United KingdomReported employees: 201-500 | Brentwood, United Kingdom | 201-500 | Exact match | 61 contacts → |
“Wiggett Electrical has gone from strength to strength.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  AUS LTDaus.co.ukHQ: Clayton West, United KingdomReported employees: 51-200 | Clayton West, United Kingdom | 51-200 | Exact match | 61 contacts → |
“AUS is a specialist supplier to the electricity distribution and transmission, rail, utility arboricultural, and telecommunications industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Orton Group LTDortongroup.co.ukHQ: Wombourne, United KingdomReported employees: 51-200 | Wombourne, United Kingdom | 51-200 | Exact match | 60 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Edmund Servicesedmundservices.comHQ: Upminster, United KingdomReported employees: 51-200 | Upminster, United Kingdom | 51-200 | Exact match | 54 contacts → |
“M&E Maintenance & Installation Service Provider” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Pass LTDpass.co.ukHQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 54 contacts → |
“PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  NESnesnorth.comHQ: 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Cenelec Standards Inspections LTDcenelec.comHQ: Cramlington, United KingdomReported employees: 51-200 | Cramlington, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Cenelec Standards Inspections specialise in Electrical, Instrument and Mechanical Hazardous Area Inspection and Maintenance for clients in need of support to comply with the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  F.E.S. EX Limitedfes-ex.comHQ: Grimsby, United KingdomReported employees: 51-200 | Grimsby, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Established over 20 years ago by our Chairman, F.E.S.(EX) is a leading provider of a range of E, I&M services for all industries across both hazardous and non- hazardous…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Calbarrie Compliance Services LTDcalbarrie.comHQ: Cheltenham, United KingdomReported employees: 51-200 | Cheltenham, United Kingdom | 51-200 | Exact match | 40 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  EMI Co. LTDeminst.co.ukHQ: Gainsborough, United KingdomReported employees: 51-200 | Gainsborough, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Keeping power, water, and rail moving since 1966.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  WFP Fire & Securityw-fp.co.ukHQ: Stock, United KingdomReported employees: 11-50 | Stock, United Kingdom | 11-50 | Exact match | 39 contacts → |
“THAT'S WHAT WE'RE ABOUT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Martindale Electric Co. LTDmartindale-electric.co.ukHQ: Watford, United KingdomReported employees: 11-50 | Watford, United Kingdom | 11-50 | Exact match | 38 contacts → |
“With over 95 years of experience, Martindale Electric is one of the most trusted brands in electrical safety testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Sa3 Powersa3power.comHQ: Cookstown, United KingdomReported employees: 51-200 | Cookstown, United Kingdom | 51-200 | Exact match | 36 contacts → |
“SA3 Power are a Specialized Electrical Installer that provides electrical services for the Data Centers Industry across Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Fivefour Engineering Servicesfivefourservices.co.ukHQ: Theale, United KingdomReported employees: 51-200 | Theale, United Kingdom | 51-200 | Exact match | 35 contacts → |
“FiveFour Engineering Service work within the United Kingdom, Central Europe and Scandinavia for clients that have power requirements in either traditional methods of new build or…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Group Management Electrical Surveys Limitedgroupmanagement.comHQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 35 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Wren Environmental LTDwren-environmental.co.ukHQ: Leatherhead, United KingdomReported employees: 51-200 | Leatherhead, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Wren Environmental Ltd specialise in the Planned Preventative Maintenance and Installation Services within the Mechanical and Electrical industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Integrityintegrity-iss.comHQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 35 contacts → |
“We enable safe, reliable operations and reduced outages for energy assets across the globe through our people, our expertise, and our commitment to deliver Integrated Service…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ashby Electrical Limitedashbyelectrical.co.ukHQ: Pelsall, United KingdomReported employees: 11-50 | Pelsall, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Ashby Electrical provide a complete range of electrical design, installation, testing, inspection and maintenance services nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  RJW Engineeringrjweng.comHQ: Liverpool, United KingdomReported employees: 51-200 | Liverpool, United Kingdom | 51-200 | Exact match | 32 contacts → |
“With more than 75 years in business, RJW Engineering is one of the largest independently owned electric motor and rotating equipment companies in the UK, operating across three…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,200 company matches
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Power system maintenance contractors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,131 records in the displayed employee bands.
69 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 1,200 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Power system maintenance contractors by metro
Questions about this company list
What does Exact match mean for power system maintenance contractors?
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 power system maintenance contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,200 matching company records, 9,588 tracked contacts and 2,828 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: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Power system maintenance contractors by geography
- Power system maintenance contractors based in Sao Paulo, Brazil
- Power system maintenance contractors based in Auckland, New Zealand
- Power system maintenance contractors based in Dubai, United Arab Emirates
- Power system maintenance contractors based in London, United Kingdom
- Power system maintenance contractors based in Manchester, United Kingdom
- Power system maintenance contractors based in Houston, United States
- Power system maintenance contractors based in Argentina
- Power system maintenance contractors based in Australia
- Power system maintenance contractors based in Belgium
- Power system maintenance contractors based in Brazil
- Power system maintenance contractors based in Canada
- Power system maintenance contractors based in Chile
Cite this list
RevenueBase Data Team. Top 25 power system maintenance contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/power-system-maintenance-contractors/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
- Power system maintenance contractors based in Sao Paulo, Brazil
- Power system maintenance contractors based in Auckland, New Zealand
- Power system maintenance contractors based in Dubai, United Arab Emirates
- Power system maintenance contractors based in London, United Kingdom
- Power system maintenance contractors based in Manchester, United Kingdom
- Power system maintenance contractors based in Houston, United States
Company intelligence · public preview
Top 25 power system maintenance contractors based in the United Kingdom
RevenueBase records 1,200 matching company records for power system maintenance contractors based in the United Kingdom, with 9,588 tracked contacts and 2,828 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: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 power system maintenance contractors 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 | 1,198 contacts → |
“Megger supports the people who keep essential services running.” Recorded description excerpt · November 6, 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 | 456 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | WB Power Services LTDwbpsltd.co.uk HQ: Heanor, United KingdomReported employees: 51-200 | Heanor, United Kingdom | 51-200 | Exact match | 124 contacts → |
“WB Power Services Ltd (now proudly part of Rehlko) provide critical power services to some of the UK’s most important businesses and organisations, ensuring essential services are…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | AKDakd.net HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 82 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Fletcher Moorlandfletchermoorland.co.uk HQ: Stoke On Trent, United KingdomReported employees: 51-200 | Stoke On Trent, United Kingdom | 51-200 | Exact match | 76 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Premier Electricspremierelectrics.com HQ: Magherafelt, United KingdomReported employees: 51-200 | Magherafelt, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | The Wiggett Group LTDwiggettgroup.com HQ: Brentwood, United KingdomReported employees: 201-500 | Brentwood, United Kingdom | 201-500 | Exact match | 61 contacts → |
“Wiggett Electrical has gone from strength to strength.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | AUS LTDaus.co.uk HQ: Clayton West, United KingdomReported employees: 51-200 | Clayton West, United Kingdom | 51-200 | Exact match | 61 contacts → |
“AUS is a specialist supplier to the electricity distribution and transmission, rail, utility arboricultural, and telecommunications industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Orton Group LTDortongroup.co.uk HQ: Wombourne, United KingdomReported employees: 51-200 | Wombourne, United Kingdom | 51-200 | Exact match | 60 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Edmund Servicesedmundservices.com HQ: Upminster, United KingdomReported employees: 51-200 | Upminster, United Kingdom | 51-200 | Exact match | 54 contacts → |
“M&E Maintenance & Installation Service Provider” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Pass LTDpass.co.uk HQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 54 contacts → |
“PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cenelec Standards Inspections LTDcenelec.com HQ: Cramlington, United KingdomReported employees: 51-200 | Cramlington, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Cenelec Standards Inspections specialise in Electrical, Instrument and Mechanical Hazardous Area Inspection and Maintenance for clients in need of support to comply with the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | F.E.S. EX Limitedfes-ex.com HQ: Grimsby, United KingdomReported employees: 51-200 | Grimsby, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Established over 20 years ago by our Chairman, F.E.S.(EX) is a leading provider of a range of E, I&M services for all industries across both hazardous and non- hazardous…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Calbarrie Compliance Services LTDcalbarrie.com HQ: Cheltenham, United KingdomReported employees: 51-200 | Cheltenham, United Kingdom | 51-200 | Exact match | 40 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | EMI Co. LTDeminst.co.uk HQ: Gainsborough, United KingdomReported employees: 51-200 | Gainsborough, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Keeping power, water, and rail moving since 1966.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | WFP Fire & Securityw-fp.co.uk HQ: Stock, United KingdomReported employees: 11-50 | Stock, United Kingdom | 11-50 | Exact match | 39 contacts → |
“THAT'S WHAT WE'RE ABOUT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Martindale Electric Co. LTDmartindale-electric.co.uk HQ: Watford, United KingdomReported employees: 11-50 | Watford, United Kingdom | 11-50 | Exact match | 38 contacts → |
“With over 95 years of experience, Martindale Electric is one of the most trusted brands in electrical safety testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sa3 Powersa3power.com HQ: Cookstown, United KingdomReported employees: 51-200 | Cookstown, United Kingdom | 51-200 | Exact match | 36 contacts → |
“SA3 Power are a Specialized Electrical Installer that provides electrical services for the Data Centers Industry across Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Fivefour Engineering Servicesfivefourservices.co.uk HQ: Theale, United KingdomReported employees: 51-200 | Theale, United Kingdom | 51-200 | Exact match | 35 contacts → |
“FiveFour Engineering Service work within the United Kingdom, Central Europe and Scandinavia for clients that have power requirements in either traditional methods of new build or…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Group Management Electrical Surveys Limitedgroupmanagement.com HQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 35 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wren Environmental LTDwren-environmental.co.uk HQ: Leatherhead, United KingdomReported employees: 51-200 | Leatherhead, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Wren Environmental Ltd specialise in the Planned Preventative Maintenance and Installation Services within the Mechanical and Electrical industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Integrityintegrity-iss.com HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 35 contacts → |
“We enable safe, reliable operations and reduced outages for energy assets across the globe through our people, our expertise, and our commitment to deliver Integrated Service…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ashby Electrical Limitedashbyelectrical.co.uk HQ: Pelsall, United KingdomReported employees: 11-50 | Pelsall, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Ashby Electrical provide a complete range of electrical design, installation, testing, inspection and maintenance services nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | RJW Engineeringrjweng.com HQ: Liverpool, United KingdomReported employees: 51-200 | Liverpool, United Kingdom | 51-200 | Exact match | 32 contacts → |
“With more than 75 years in business, RJW Engineering is one of the largest independently owned electric motor and rotating equipment companies in the UK, operating across three…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Power system maintenance contractors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,131 records in the displayed employee bands.
69 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 1,200 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Power system maintenance contractors by metro
Questions about this company list
What does Exact match mean for power system maintenance contractors?
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 power system maintenance contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,200 matching company records, 9,588 tracked contacts and 2,828 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: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 power system maintenance contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/power-system-maintenance-contractors/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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