Company lists · Data refreshed November 2026

Top 25 Generator installation services based in the United Kingdom

Name: Generator installation services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 584 companies tracked

RevenueBase identified 584 company matches for generator installation services associated with the United Kingdom as of November 2026 and tracks 4,354 professional contacts across them, including 1,601 with verified work emails. London is the largest hub.

This list covers company matches for generator installation 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

584Companies

4,354Contacts tracked

1,601Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest generator installation services based in the United Kingdom

Ranked by team size

Top 25 of 584 company matches for generator installation services 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Quartzelec Limited	Exact match	Rugby, United KingdomHQ recorded Nov 6, 2026	501-1,000	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	Dale Power Solutions	Exact match	Scarborough, United KingdomHQ recorded Nov 6, 2026	201-500	231 contacts →
	Exact match “Founded in 1935 Dale Power Solutions Ltd have been providing reliable; secure power solutions for mission critical services & systems throughout the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Centrax GAS Turbines	Exact match	Newton Abbot, United KingdomHQ recorded Nov 6, 2026	201-500	195 contacts →
	Exact match “Centrax Gas Turbines manufacture gas turbine-powered generator sets ranging from 3.9 MW to 15 MW.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Power Electrics	Exact match	Warmley, United KingdomHQ recorded Nov 6, 2026	201-500	171 contacts →
	Exact match “We bring the energy!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	WB Power Services LTD	Exact match	Heanor, United KingdomHQ recorded Nov 6, 2026	51-200	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
6	Rock Power Connections LTD	Exact match	Bromsgrove, United KingdomHQ recorded Nov 6, 2026	51-200	110 contacts →
	Exact match “Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	DTGEN	Exact match	Milngavie, United KingdomHQ recorded Nov 6, 2026	51-200	82 contacts →
	Exact match “From our 6.3-acre HQ in Glasgow, and further sites in Bristol and Rugby, we supply, install and maintain diesel and gas generators, combined heat and power systems (CHP), solar…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	John F Hunt Power	Exact match	Grays, United KingdomHQ recorded Nov 6, 2026	51-200	65 contacts →
	Exact match “John F Hunt Power was formed in 1998 to serve the Construction, Event & Utilities market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Mems Power Generation	Exact match	Gillingham, United KingdomHQ recorded Nov 6, 2026	51-200	64 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
10	NRT Group	Exact match	Banstead, United KingdomHQ recorded Nov 6, 2026	51-200	52 contacts →
	Exact match “Our aim is to be the first choice for electrical and engineering installations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Central Power Services	Exact match	Preston, United KingdomHQ recorded Nov 6, 2026	11-50	40 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
12	Burtonwood Generator & Switchgear Services LTD	Exact match	St Helens, United KingdomHQ recorded Nov 6, 2026	11-50	37 contacts →
	Exact match “Burtonwood provide a comprehensive range of power generation and switchgear services to the MOD, public and private sectors both in the UK and Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Fivefour Engineering Services	Exact match	Theale, United KingdomHQ recorded Nov 6, 2026	51-200	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
14	Natural Generation LTD	Exact match	Perranporth, United KingdomHQ recorded Nov 6, 2026	51-200	33 contacts →
	Exact match “Natural Generation specialises in all aspects of commercial and domestic solar and battery storage installation and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	JJ Loughran	Exact match	Co.tyrone, United KingdomHQ recorded Nov 6, 2026	51-200	31 contacts →
	Exact match “JJ Loughran is an Electrical Engineering & Supply Company based in Cookstown N.Ireland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Pleavin Power	Exact match	United KingdomHQ recorded Nov 6, 2026	11-50	28 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
17	Project Power	Exact match	Crumlin, United KingdomHQ recorded Nov 6, 2026	11-50	28 contacts →
	Exact match “At Project Power we pride ourselves on our quality of equipment, high level of service and teamwork ethos – all of which is at the heart of everything we do – we call this our…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	MD Electrical Contractors LTD	Exact match	Glasgow, United KingdomHQ recorded Nov 6, 2026	11-50	25 contacts →
	Exact match “MD Electrical Contractors specialises in providing top-tier electrical services to a diverse range of clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Applied Power Engineering LTD	Exact match	Rotherham, United KingdomHQ recorded Nov 6, 2026	11-50	23 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
20	Stuart Energy Limited	Exact match	Skelmersdale, United KingdomHQ recorded Nov 6, 2026	51-200	22 contacts →
	Exact match “Here at Stuart Energy, we Provide Generators for Hire and Sale from 10Kva to 1500Kva With over 550 Generators available for hire we have got your power needs covered!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Chapman's Electrical	Exact match	Cradley Heath, United KingdomHQ recorded Nov 6, 2026	11-50	22 contacts →
	Exact match “Established in 1925 we provide a high quality, dependable and competitive service to our domestic, private and public sector clients in all aspects of Electrical Installation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	SWS Northwest LTD	Exact match	Widnes, United KingdomHQ recorded Nov 6, 2026	11-50	20 contacts →
	Exact match “SWS is the complete package when it comes to green technologies, offering a range of services for home & commercial renewable installations including Solar PV, Battery storage…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Mcnally And Thompson LTD	Exact match	Sunderland, United KingdomHQ recorded Nov 6, 2026	51-200	20 contacts →
	Exact match “McNally and Thompson have built up a reputation within the industry as electrical contractors providing a first class service tailored to our clients individual needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	GWF Generators	Exact match	Dundonald, United KingdomHQ recorded Nov 6, 2026	11-50	20 contacts →
	Exact match “GWF Generators are a UK based Cummins Power Generation authorised dealer and offer a range of generators from 17kVA up to We provide a comprehensive package, tailored to meet your…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Pharos Generator Services Limited	Exact match	Runcorn, United KingdomHQ recorded Nov 6, 2026	11-50	19 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

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 installation 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 584 generator installation services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,601 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Generator installation services based in the United Kingdom at a glance

As of Nov 6, 2026

36.8%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

4.1%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

349

11-50

172

51-200

201-500

501-1,000

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 584 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 installation services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 1,601 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 installation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many generator installation services are there based in the United Kingdom?

RevenueBase identified 584 company matches for generator installation 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 installation services?

London leads with 24 company records, followed by Manchester (10) and Glasgow (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,601 professional contacts with verified work emails tracked across these 584 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 584 generator installation services based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Generator installation services by geography

Browse the directory

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.