Company lists · Data refreshed September 2026

Top 25 Power plant engineering firms based in the United Kingdom

Name: Power plant engineering firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 118 companies tracked

RevenueBase identified 118 company matches for power plant engineering firms associated with the United Kingdom as of September 2026 and tracks 13,113 professional contacts across them, including 3,727 with verified work emails. London is the largest hub.

This list covers company matches for power plant engineering firms associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 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 Sep 17, 2026 How this list was built

118Companies

13,113Contacts tracked

3,727Verified emails

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The 25 largest power plant engineering firms based in the United Kingdom

Ranked by team size

Top 25 of 118 company matches for power plant engineering firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Atkins	Exact match	Epsom, United KingdomHQ recorded Sep 17, 2026	10001+	9,297 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Freedom	Exact match	Leeds, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	664 contacts →
	Exact match “Freedom is a leading provider of facilities and power engineering services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Brush Group	Exact match	Loughborough, United KingdomHQ recorded Sep 17, 2026	501-1,000	367 contacts →
	Exact match “We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Framatome UK	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	201-500	181 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Z-Tech Control Systems LTD	Exact match	Swavesey, United KingdomHQ recorded Sep 17, 2026	201-500	156 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	PN Daly Limited	Exact match	Rochdale, United KingdomHQ recorded Sep 17, 2026	501-1,000	141 contacts →
	Exact match “P.N.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Copius Group	Exact match	Newtownabbey, United KingdomHQ recorded Sep 17, 2026	201-500	81 contacts →
	Exact match “Copius Group is a premier provider of construction and engineering services, delivering comprehensive solutions for offshore and onshore projects across the globe.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Kelvin Power Member Of Vinci Energies	Exact match	Leicester, United KingdomHQ recorded Sep 17, 2026	51-200	57 contacts →
	Exact match “Kelvin Power provides expert advice and design solutions to the global power industry and the renewable energy sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	JGC Engineering And Technical Services LTD	Exact match	Thurso, United KingdomHQ recorded Sep 17, 2026	51-200	42 contacts →
	Exact match “JGC is one of the UK's leading engineering companies with the breadth and depth of technical expertise to respond to the daily complex challenges of major engineering projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	GES Group	Exact match	Ballymena, United KingdomHQ recorded Sep 17, 2026	51-200	38 contacts →
	Exact match “Established over 40 years ago as Grants Electrical Services (NI) Ltd, we have grown into GES Group, a leading Electrical and Mechanical Engineering company, serving customers…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	CDS Energy Services	Exact match	Hull, United KingdomHQ recorded Sep 17, 2026	51-200	33 contacts →
	Exact match “CDS Energy Services combines talented and experienced people with a state-of the art facility in the heart of the UK to provide full turnkey solutions to a range of blue chip…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Eesb Engineering Limited	Exact match	Birkenhead, United KingdomHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Enisca	Exact match	Cookstown, United KingdomHQ recorded Sep 17, 2026	51-200	28 contacts →
	Exact match “Enisca is a multi-disciplinary design, engineering and construction business operating in the power and environmental sectors delivering innovative, sustainable and quality…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Horan Power Engineering LTD	Exact match	Chester, United KingdomHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “Providing no-nonsense solutions to power engineering problems” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	PSE 2 Consulting	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “PSE 2 Consulting is an independent power systems consultancy firm offering tailored solutions to meet the challenges and economic pressures present in the power industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Switchon Power	Exact match	Stourbridge, United KingdomHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “SwitchOn Power is a specialized engineering company, focusing on renewable energy generation projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	EPS Construction LTD	Exact match	Swansea, United KingdomHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “EPS Construction is your full service engineering partner, offering solutions in your everyday needs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Grid Team Services LTD	Exact match	Maghera, United KingdomHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Grid Team Services efficiently constructs and installs quality end-to-end electrical transmission and distribution systems.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Threepwood Consulting LTD	Exact match	Manchester, United KingdomHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Threepwood Consulting Ltd is an established Power Engineering Consultancy providing specialist engineering services and consultancy to its partners and clients.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	MIMAH	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “We provide a comprehensive range of products and services, in the fields of: renewable energy, power generation equipment, sugar industries, training, instrumentation tools, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Greens Combustion Limited	Exact match	Poole, United KingdomHQ recorded Sep 17, 2026	51-200	11 contacts →
	Exact match “Greens Combustion is a UK-based leader in combustion engineering, with 250+ years of combined expertise.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	M R Engineering Group	Exact match	Birkenhead, United KingdomHQ recorded Sep 17, 2026	51-200	11 contacts →
	Exact match “M R Engineering Group has evolved into a 'one stop shop' for all your Electrical and Mechanical Engineering needs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Cliptech LTD	Exact match	Dinnington, United KingdomHQ recorded Sep 17, 2026	1-10	11 contacts →
	Exact match “Electrical Engineers serving the industrial and commercial sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Aurora Power Consulting	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Aurora Power Consulting is an electrical engineering consultancy, that specialises in power systems analysis and modelling.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	IME Group	Exact match	Brentwood, United KingdomHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “When something goes wrong on plant you need one call, one team and one answer.” Recorded in the RevenueBase company graph · Sep 17, 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 plant engineering firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 118 power plant engineering firms based in the United Kingdom

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Power plant engineering firms based in the United Kingdom at a glance

As of Sep 17, 2026

28.4%Verified-email coverage

111.1Average contacts per company

1-10Median size (employees)

6.8%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 118 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 plant engineering firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 3,727 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 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 “power plant engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many power plant engineering firms are there based in the United Kingdom?

RevenueBase identified 118 company matches for power plant engineering firms associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Atkins tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most power plant engineering firms?

London leads with 8 company records, followed by Bristol (7) and Manchester (6).

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 3,727 professional contacts with verified work emails tracked across these 118 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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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.