Company lists · Data refreshed November 2026

Top 25 Generator maintenance contractors based in the United Kingdom

RevenueBase identified 116 company matches for generator maintenance contractors associated with the United Kingdom as of November 2026 and tracks 1,405 professional contacts across them, including 576 with verified work emails. Sheffield is the largest hub.

This list covers company matches for generator 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
116Companies
1,405Contacts tracked
576Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest generator maintenance contractors based in the United Kingdom

Ranked by team size
Top 25 of 116 company matches for generator maintenance contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRugby, United KingdomHQ recorded Nov 6, 2026501-1,000456 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
2Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“IPS Newcastle, part of the Integrated Power Services Group, improves the performance of electromechanical assets around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchGillingham, United KingdomHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“MEMS Power Generation is the UK leader in generator hire, approaching our 50th year of delivering temporary power solutions that businesses can depend on.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPreston, United KingdomHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Central Power Services is one of the UK’s most trusted independent power specialists, delivering 24/7 generator hire, sales, and maintenance solutions nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchUnited KingdomHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Delivering on our promise to be a reliable, effective and powerful solution for your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRotherham, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“At Applied Power Engineering, we specialise in generator commissioning, optioneering, and generator installation, ensuring reliable power solutions tailored to your needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRuncorn, United KingdomHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Pharos Generator Services with over 60 years’ experience in the power generation industry, specialise in the supply, installation, commissioning, repair and servicing of diesel…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSheffield, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Keeping Power in Your Hands ” At Power Control & Automation Solutions Ltd, we don’t just provide services-we deliver peace of mind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchEvesham, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Established in 1950, Woodlands Power was one of the first providers of critical, standby & temporary power in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchKempston Hardwick, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“At Specialist Power Systems it is our mission to be the leading independent supplier of secure power equipment and services in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPershore, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“The Generator Specialist, Tarplett Generator Services are your ‘one stop shop’ for diesel generator sales, service, hire and parts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBarking, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“We are a London based company and this enables us to offer fast same day on site services anywhere in the City and Home Counties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLutterworth, United KingdomHQ recorded Nov 6, 20261-1011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBristol, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Operating since 1933, Rollo has a long, established and successful heritage in the power generation and plant industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBarking, United KingdomHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Allcool for all your Heating and Cooling Solutions An established company with over 100 years combined experience and knowledge in the generator and heat exchange industry Allcool…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSouthampton, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Solent Power LTD provide emergency power services to the commercial and industrial sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGillingham, United KingdomHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Welcome to Generator Installations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPreston, United KingdomHQ recorded Nov 6, 20261-108 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
19Exact matchSouthampton, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Team One Group Ltd is your trusted partner for critical services and supply support for diesel and gas-powered products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSheffield, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFareham, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Established in 1993, DQM LTD is a family-run business providing trusted generator and critical power solutions across the South of England.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPocklington, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“At Enrogen, we specialise in providing comprehensive start-to-end services for power generation equipment on a global scale, with our headquarters based in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCarrickfergus, United KingdomHQ recorded Nov 6, 202611-506 contacts →

Exact match

“AC Automation has over 30 years’ experience as a specialist in all things power generation, based in Northern Ireland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchKidwelly, United KingdomHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Specialist power generation sales & service company; ISO9001 & 14001 accredited with CHAS & SafeContractor registration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCheshire, United KingdomHQ recorded Nov 6, 20261-106 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

Showing 25 of 116 generator maintenance contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 576 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Generator maintenance contractors based in the United Kingdom at a glance

As of Nov 6, 2026
41.0%Verified-email coverage
12.1Average contacts per company
1-10Median size (employees)
3.4%Largest-city concentration · Sheffield
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
65
11-50
33
51-200
9
201-500
1
501-1,000
1

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 116 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 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 576 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 maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many generator maintenance contractors are there based in the United Kingdom?

RevenueBase identified 116 company matches for generator 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?

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 maintenance contractors?

Sheffield leads with 4 company records, followed by Crewe (3) and London (3).

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 576 professional contacts with verified work emails tracked across these 116 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 116 generator maintenance contractors based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.