Company lists · Data refreshed November 2026
Top 25 Generator diagnostic services based in the United Kingdom
RevenueBase identified 83 company matches for generator diagnostic services associated with the United Kingdom as of November 2026 and tracks 924 professional contacts across them, including 397 with verified work emails. Sheffield is the largest hub.
This list covers company matches for generator diagnostic services associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed 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 generator diagnostic services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 18 contacts → | ||||
Exact match “At Novus Compliance Services Ltd we specialise in Electrical Testing and Inspection, Maintenance, Installation design, Energy Management and refurbishment for a wide range of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 18 contacts → | ||||
Exact match “HK Engineering Ltd is a leading engineering company specialising in electrical and gas testing and innovative solutions, with a solid commitment to excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 14 contacts → | ||||
Exact match “Tel:+44 (0)1923 442244 Email: sales@instrotech.com Instrotech is a specialist distributor of electrical and environmental test equipment representing all of the major brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 10 contacts → | ||||
Exact match “Electrical testing, installations, repairs & remedial works.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 9 contacts → | ||||
Exact match “The Electrical Compliance Collective Ltd (TECC Ltd) is an award-winning electrical contractor based in Swindon, Wiltshire, supporting domestic, commercial and industrial customers…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 9 contacts → | ||||
Exact match “Welcome to Generator Installations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 8 contacts → | ||||
Exact match “BRAVO POWER LTD specialise in the maintenance and repair of reciprocating gas and diesel generators within the power generation industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “Aylesford Electrical is a specialist testing, maintenance and installation provider based in Kent.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “FW Power are a specialist Generator company and will take care of every aspect of your Diesel Generator process from selection, delivery, installation, commissioning and warranty.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Thank you for taking the time to look at All Machines; we are grateful that you would like to share this with us.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “Welcome to Power Sonic Ltd If you require help and assistance with your electrical safety then you have come to the right place!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Bellwood Rewinds is a leading UK supplier of power generation and electric motor solutions, operating from our main facility in Melsonby, North Yorkshire.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “Edge Technology Power supply, install, commission, maintain, load-test and repair all sizes of generating set, from suitcase ideal for camping to industrial generator banks for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match “Trent Valley Electrical Services have been established since 1992, with collectively over 65 years experience in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Founded in 2010 by Nicholas James Brooker, NJB Generators started life with the following mission; “To improve on services delivered to customers and clients who have assets…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “The company has a proud heritage of traditional skills and values fused with professional management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “Houghton International improves the performance of electro mechanical assets around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “S J Harris Electrical - Inspection & Testing of Electrical Installations,Emergency Lighting Inspection & Testing,Portable Appliance Testing,Electrical Load Analysis,Thermal Image…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “Pattco provides commercial electrical testing services to the commercial and industrial sectors, nationally and overseas where UK wiring regulations apply.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “Optimise Power is a specialist in providing innovative technical solutions as well as service and maintenance of generators and UPS systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “Current Compliance are electrical specialists who undertake a variety of services including electrical testing, portable appliance testing and remedial works.” 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 “generator diagnostic services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 83 generator diagnostic services based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 397 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Generator diagnostic services 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 83 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 “generator diagnostic services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 397 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.
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 “generator diagnostic services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many generator diagnostic services are there based in the United Kingdom?
RevenueBase identified 83 company matches for generator diagnostic services 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?
Quartzelec Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most generator diagnostic services?
Sheffield leads with 4 company records, followed by Crewe (2) and London (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 397 professional contacts with verified work emails tracked across these 83 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 83 generator diagnostic services based in the United Kingdom. Start with a free account, no credit card.
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Generator diagnostic services by geography
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
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- Lists by location
- Lists A-Z
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Company intelligence · public preview
Top 25 generator diagnostic services based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 83 matching company records for generator diagnostic services based in the United Kingdom, with 924 tracked contacts and 397 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 generator diagnostic services based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  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. | |||||
| 2 |  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. | |||||
| 3 |  Novus Compliance Services Limitednovuscompliance.co.ukHQ: Bishop Stortford, United KingdomReported employees: 51-200 | Bishop Stortford, United Kingdom | 51-200 | Exact match | 18 contacts → |
“At Novus Compliance Services Ltd we specialise in Electrical Testing and Inspection, Maintenance, Installation design, Energy Management and refurbishment for a wide range of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  HK Engineering LTDhkengineeringltd.co.ukHQ: Melksham, United KingdomReported employees: 11-50 | Melksham, United Kingdom | 11-50 | Exact match | 18 contacts → |
“HK Engineering Ltd is a leading engineering company specialising in electrical and gas testing and innovative solutions, with a solid commitment to excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Instrotech LTDinstrotech.comHQ: Watford, United KingdomReported employees: 11-50 | Watford, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Tel:+44 (0)1923 442244 Email: sales@instrotech.com Instrotech is a specialist distributor of electrical and environmental test equipment representing all of the major brands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Nationwide Compliance Solutions. Call ETM 01922 710014electricaltestmidlands.com HQ: Cannock, United KingdomReported employees: 51-200 | Cannock, United Kingdom | 51-200 | Exact match | 10 contacts → |
“Electrical testing, installations, repairs & remedial works.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Swindon, United KingdomReported employees: 11-50 | Swindon, United Kingdom | 11-50 | Exact match | 9 contacts → |
“The Electrical Compliance Collective Ltd (TECC Ltd) is an award-winning electrical contractor based in Swindon, Wiltshire, supporting domestic, commercial and industrial customers…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Generator Installationsgeneratorinstallations.comHQ: Gillingham, United KingdomReported employees: 11-50 | Gillingham, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Welcome to Generator Installations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Bravo Power LTDbravopower.co.ukHQ: Preston, United KingdomReported employees: 1-10 | Preston, United Kingdom | 1-10 | Exact match | 8 contacts → |
“BRAVO POWER LTD specialise in the maintenance and repair of reciprocating gas and diesel generators within the power generation industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  RE Field Services LTDrefieldservices.comHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Aylesford Electrical Contractors LTDaylesfordelectrical.co.uk HQ: Maidstone, United KingdomReported employees: 11-50 | Maidstone, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Aylesford Electrical is a specialist testing, maintenance and installation provider based in Kent.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  FW Powerfwpower.co.ukHQ: Cheshire, United KingdomReported employees: 1-10 | Cheshire, United Kingdom | 1-10 | Exact match | 6 contacts → |
“FW Power are a specialist Generator company and will take care of every aspect of your Diesel Generator process from selection, delivery, installation, commissioning and warranty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ALL Machinesplantdiagnostics.comHQ: Aylesbury, United KingdomReported employees: 1-10 | Aylesbury, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Thank you for taking the time to look at All Machines; we are grateful that you would like to share this with us.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Power Sonic LTDpowersonic.coHQ: Driffield, United KingdomReported employees: 1-10 | Driffield, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Welcome to Power Sonic Ltd If you require help and assistance with your electrical safety then you have come to the right place!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Bellwood Rewinds Limitedbellwoodrewinds.co.ukHQ: Hartlepool, United KingdomReported employees: 1-10 | Hartlepool, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Bellwood Rewinds is a leading UK supplier of power generation and electric motor solutions, operating from our main facility in Melsonby, North Yorkshire.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tidal Power Services LTDtidalpowerservices.comHQ: Bournemouth, United KingdomReported employees: 11-50 | Bournemouth, United Kingdom | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Edge Technology Power LTDedgetechnology.co.ukHQ: Crewe, United KingdomReported employees: 1-10 | Crewe, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Edge Technology Power supply, install, commission, maintain, load-test and repair all sizes of generating set, from suitcase ideal for camping to industrial generator banks for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Trent Valley Electrical Servicestves-scunthorpe.co.uk HQ: Scunthorpe, United KingdomReported employees: 1-10 | Scunthorpe, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Trent Valley Electrical Services have been established since 1992, with collectively over 65 years experience in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  NJB Generators LTDnjbgenerators.co.ukHQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Founded in 2010 by Nicholas James Brooker, NJB Generators started life with the following mission; “To improve on services delivered to customers and clients who have assets…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ampionampiontesting.comHQ: Newcastle, United KingdomReported employees: 11-50 | Newcastle, United Kingdom | 11-50 | Exact match | 3 contacts → |
“The company has a proud heritage of traditional skills and values fused with professional management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Houghton Internationalhoughton-international.com HQ: Newcastle Upon Tyne, United KingdomReported employees: 51-200 | Newcastle Upon Tyne, United Kingdom | 51-200 | Exact match | 2 contacts → |
“Houghton International improves the performance of electro mechanical assets around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | S J Harris Electrical LTDsjhe.co.uk HQ: Chelmsford, United KingdomReported employees: 1-10 | Chelmsford, United Kingdom | 1-10 | Exact match | 2 contacts → |
“S J Harris Electrical - Inspection & Testing of Electrical Installations,Emergency Lighting Inspection & Testing,Portable Appliance Testing,Electrical Load Analysis,Thermal Image…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Pattcopattco.co.ukHQ: Slough, United KingdomReported employees: 11-50 | Slough, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Pattco provides commercial electrical testing services to the commercial and industrial sectors, nationally and overseas where UK wiring regulations apply.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Optimise Poweroptimisepower.co.ukHQ: Romsey, United KingdomReported employees: 1-10 | Romsey, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Optimise Power is a specialist in providing innovative technical solutions as well as service and maintenance of generators and UPS systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Current Compliance LTDcurrentcompliance.co.ukHQ: Runcorn, United KingdomReported employees: 1-10 | Runcorn, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Current Compliance are electrical specialists who undertake a variety of services including electrical testing, portable appliance testing and remedial works.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 83 company matches
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Generator diagnostic services: 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
77 records in the displayed employee bands.
6 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 83 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 ↗
Questions about this company list
What does Exact match mean for generator diagnostic services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many generator diagnostic services did RevenueBase find based in the United Kingdom?
The saved snapshot records 83 matching company records, 924 tracked contacts and 397 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
Generator diagnostic services by geography
Cite this list
RevenueBase Data Team. Top 25 generator diagnostic services based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/generator-diagnostic-services/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 generator diagnostic services based in the United Kingdom
RevenueBase records 83 matching company records for generator diagnostic services based in the United Kingdom, with 924 tracked contacts and 397 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 generator diagnostic services based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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. | |||||
| 2 | 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. | |||||
| 3 | Novus Compliance Services Limitednovuscompliance.co.uk HQ: Bishop Stortford, United KingdomReported employees: 51-200 | Bishop Stortford, United Kingdom | 51-200 | Exact match | 18 contacts → |
“At Novus Compliance Services Ltd we specialise in Electrical Testing and Inspection, Maintenance, Installation design, Energy Management and refurbishment for a wide range of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HK Engineering LTDhkengineeringltd.co.uk HQ: Melksham, United KingdomReported employees: 11-50 | Melksham, United Kingdom | 11-50 | Exact match | 18 contacts → |
“HK Engineering Ltd is a leading engineering company specialising in electrical and gas testing and innovative solutions, with a solid commitment to excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Instrotech LTDinstrotech.com HQ: Watford, United KingdomReported employees: 11-50 | Watford, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Tel:+44 (0)1923 442244 Email: sales@instrotech.com Instrotech is a specialist distributor of electrical and environmental test equipment representing all of the major brands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Nationwide Compliance Solutions. Call ETM 01922 710014electricaltestmidlands.com HQ: Cannock, United KingdomReported employees: 51-200 | Cannock, United Kingdom | 51-200 | Exact match | 10 contacts → |
“Electrical testing, installations, repairs & remedial works.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Swindon, United KingdomReported employees: 11-50 | Swindon, United Kingdom | 11-50 | Exact match | 9 contacts → |
“The Electrical Compliance Collective Ltd (TECC Ltd) is an award-winning electrical contractor based in Swindon, Wiltshire, supporting domestic, commercial and industrial customers…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Generator Installationsgeneratorinstallations.com HQ: Gillingham, United KingdomReported employees: 11-50 | Gillingham, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Welcome to Generator Installations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Bravo Power LTDbravopower.co.uk HQ: Preston, United KingdomReported employees: 1-10 | Preston, United Kingdom | 1-10 | Exact match | 8 contacts → |
“BRAVO POWER LTD specialise in the maintenance and repair of reciprocating gas and diesel generators within the power generation industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | RE Field Services LTDrefieldservices.com HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Aylesford Electrical Contractors LTDaylesfordelectrical.co.uk HQ: Maidstone, United KingdomReported employees: 11-50 | Maidstone, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Aylesford Electrical is a specialist testing, maintenance and installation provider based in Kent.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | FW Powerfwpower.co.uk HQ: Cheshire, United KingdomReported employees: 1-10 | Cheshire, United Kingdom | 1-10 | Exact match | 6 contacts → |
“FW Power are a specialist Generator company and will take care of every aspect of your Diesel Generator process from selection, delivery, installation, commissioning and warranty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ALL Machinesplantdiagnostics.com HQ: Aylesbury, United KingdomReported employees: 1-10 | Aylesbury, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Thank you for taking the time to look at All Machines; we are grateful that you would like to share this with us.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Power Sonic LTDpowersonic.co HQ: Driffield, United KingdomReported employees: 1-10 | Driffield, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Welcome to Power Sonic Ltd If you require help and assistance with your electrical safety then you have come to the right place!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Bellwood Rewinds Limitedbellwoodrewinds.co.uk HQ: Hartlepool, United KingdomReported employees: 1-10 | Hartlepool, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Bellwood Rewinds is a leading UK supplier of power generation and electric motor solutions, operating from our main facility in Melsonby, North Yorkshire.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tidal Power Services LTDtidalpowerservices.com HQ: Bournemouth, United KingdomReported employees: 11-50 | Bournemouth, United Kingdom | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Edge Technology Power LTDedgetechnology.co.uk HQ: Crewe, United KingdomReported employees: 1-10 | Crewe, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Edge Technology Power supply, install, commission, maintain, load-test and repair all sizes of generating set, from suitcase ideal for camping to industrial generator banks for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Trent Valley Electrical Servicestves-scunthorpe.co.uk HQ: Scunthorpe, United KingdomReported employees: 1-10 | Scunthorpe, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Trent Valley Electrical Services have been established since 1992, with collectively over 65 years experience in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | NJB Generators LTDnjbgenerators.co.uk HQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Founded in 2010 by Nicholas James Brooker, NJB Generators started life with the following mission; “To improve on services delivered to customers and clients who have assets…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ampionampiontesting.com HQ: Newcastle, United KingdomReported employees: 11-50 | Newcastle, United Kingdom | 11-50 | Exact match | 3 contacts → |
“The company has a proud heritage of traditional skills and values fused with professional management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Houghton Internationalhoughton-international.com HQ: Newcastle Upon Tyne, United KingdomReported employees: 51-200 | Newcastle Upon Tyne, United Kingdom | 51-200 | Exact match | 2 contacts → |
“Houghton International improves the performance of electro mechanical assets around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | S J Harris Electrical LTDsjhe.co.uk HQ: Chelmsford, United KingdomReported employees: 1-10 | Chelmsford, United Kingdom | 1-10 | Exact match | 2 contacts → |
“S J Harris Electrical - Inspection & Testing of Electrical Installations,Emergency Lighting Inspection & Testing,Portable Appliance Testing,Electrical Load Analysis,Thermal Image…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pattcopattco.co.uk HQ: Slough, United KingdomReported employees: 11-50 | Slough, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Pattco provides commercial electrical testing services to the commercial and industrial sectors, nationally and overseas where UK wiring regulations apply.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Optimise Poweroptimisepower.co.uk HQ: Romsey, United KingdomReported employees: 1-10 | Romsey, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Optimise Power is a specialist in providing innovative technical solutions as well as service and maintenance of generators and UPS systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Current Compliance LTDcurrentcompliance.co.uk HQ: Runcorn, United KingdomReported employees: 1-10 | Runcorn, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Current Compliance are electrical specialists who undertake a variety of services including electrical testing, portable appliance testing and remedial works.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 83 company matches
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Generator diagnostic services: 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
77 records in the displayed employee bands.
6 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 83 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 ↗
Questions about this company list
What does Exact match mean for generator diagnostic services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many generator diagnostic services did RevenueBase find based in the United Kingdom?
The saved snapshot records 83 matching company records, 924 tracked contacts and 397 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
Generator diagnostic services by geography
Cite this list
RevenueBase Data Team. Top 25 generator diagnostic services based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/generator-diagnostic-services/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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