Company lists · Data refreshed September 2026

Top 25 Electrical engineering consulting firms based in the United Kingdom

Name: Electrical engineering consulting 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 29, 2026 2,691 companies tracked

RevenueBase identified 2,691 company matches for electrical engineering consulting firms associated with the United Kingdom as of September 2026 and tracks 21,623 professional contacts across them, including 7,771 with verified work emails and 1,005 with mobile numbers. London is the largest hub.

This list covers company matches for electrical engineering consulting 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 29, 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 29, 2026 How this list was built

2,691Companies

21,623Contacts tracked

7,771Verified emails

1,005Mobile numbers

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The 25 largest electrical engineering consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 2,691 company matches for electrical engineering consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Hoare LEA	Exact match	London, United KingdomHQ recorded Sep 29, 2026	501-1,000	1,103 contacts →
	Exact match “We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Penspen	Exact match	London, United KingdomHQ recorded Sep 29, 2026	1,001-5,000	1,007 contacts →
	Exact match “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Fairhurst	Exact match	Glasgow, United KingdomHQ recorded Sep 29, 2026	201-500	437 contacts →
	Exact match “Welcome to Fairhurst: Fairhurst is a Limited Liability Partnership (LLP) of Consulting Engineers practicing in the UK, employing circa 400 staff in 16 principal offices.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Fichtner Consulting Engineers LTD	Exact match	Stockport, United KingdomHQ recorded Sep 29, 2026	51-200	418 contacts →
	Exact match “Fichtner is one of the world's leading independent engineering consultancy firms.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Brush Group	Exact match	Loughborough, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
6	Actemium UK	Exact match	Birmingham, United KingdomHQ recorded Sep 29, 2026	501-1,000	190 contacts →
	Exact match “At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Z-Tech Control Systems LTD	Exact match	Swavesey, United KingdomHQ recorded Sep 29, 2026	201-500	156 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Harley Haddow	Exact match	Edinburgh, United KingdomHQ recorded Sep 29, 2026	51-200	146 contacts →
	Exact match “Harley Haddow are Civil, Structural, Mechanical, Electrical, Building Performance & Sustainability and Geotechnical Consulting Engineers.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Meinhardt UK And Ireland	Exact match	London, United KingdomHQ recorded Sep 29, 2026	51-200	133 contacts →
	Exact match “Meinhardt (UK) is a leading international multidisciplinary engineering consultancy.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Powersystems	Exact match	Bristol, United KingdomHQ recorded Sep 29, 2026	51-200	126 contacts →
	Exact match “Powered by People.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Swann Engineering Group LTD	Exact match	Braintree, United KingdomHQ recorded Sep 29, 2026	51-200	123 contacts →
	Exact match “About Swann Engineering Group Founded in 1974, Swann Engineering Group specializes in delivering turnkey solutions for complex engineering challenges.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Brookbanks	Exact match	United KingdomHQ recorded Sep 29, 2026	51-200	113 contacts →
	Exact match “Project Consultant & Development Partner: Civil, Structural, Mechanical & Electrical Engineering Designs; Highways, Transportation & Environmental; Cost & Commercial & Development…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Darke & Taylor LTD	Exact match	Oxfordshire, United KingdomHQ recorded Sep 29, 2026	51-200	112 contacts →
	Exact match “Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Rock Power Connections LTD	Exact match	Bromsgrove, United KingdomHQ recorded Sep 29, 2026	51-200	105 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 · Sep 29, 2026 · View company records in RevenueBase
15	GGP Consult	Exact match	Hull, United KingdomHQ recorded Sep 29, 2026	51-200	91 contacts →
	Exact match “GGP Consult is a privately-owned multidisciplinary Consulting Engineering Company which was established in 1994.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	NARRO	Exact match	Edinburgh, United KingdomHQ recorded Sep 29, 2026	51-200	89 contacts →
	Exact match “Narro is a team of Consulting Structural & Civil Engineers with offices in Edinburgh, Glasgow, Stirling, Inverness, Aberdeen, Newcastle, and London.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Services Design Solution SDS	Exact match	South West, United KingdomHQ recorded Sep 29, 2026	51-200	87 contacts →
	Exact match “SDS is a forward-looking, dynamic construction consultancy specialising in the design of sustainable, mechanical and electrical engineering systems for buildings.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	DDD Design LTD	Exact match	Kent, United KingdomHQ recorded Sep 29, 2026	n/a	87 contacts →
	Exact match “About us Our lighting design team in the Southeast of England has over 38 years of experience within the lighting industry, with a range of early backgrounds within product…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	AKD	Exact match	Edinburgh, United KingdomHQ recorded Sep 29, 2026	51-200	79 contacts →
	Exact match “AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Acorn Engineering Limited	Exact match	Slough, United KingdomHQ recorded Sep 29, 2026	51-200	78 contacts →
	Exact match “With over 40 years’ experience in our industry, we are experts in the specialist area of mechanical and electrical engineering.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Will Rudd	Exact match	Edinburgh, United KingdomHQ recorded Sep 29, 2026	51-200	77 contacts →
	Exact match “Will Rudd are Consulting Civil & Structural Engineers with an excellent track record in delivering a quality product.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Global Substation Solutions LTD	Exact match	Hebburn, United KingdomHQ recorded Sep 29, 2026	51-200	75 contacts →
	Exact match “Established in 2006, Global Substation Solutions Ltd (GSS) are a dynamic power system engineering company, providing turnkey project services to the UK and international…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Delap & Waller	Exact match	Antrim /, United KingdomHQ recorded Sep 29, 2026	51-200	73 contacts →
	Exact match “Delap & Waller Mechanical and Electrical Building Services Engineers was founded in 1911, and to this day we remain a leader in the field of Mechanical and Electrical Building…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Anderson Green LTD	Exact match	Nottingham, United KingdomHQ recorded Sep 29, 2026	51-200	70 contacts →
	Exact match “Anderson Green are one of the largest privately owned consultancies in the UK.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Omnia Projects	Exact match	Northallerton, United KingdomHQ recorded Sep 29, 2026	51-200	68 contacts →
	Exact match “Omnia Projects are an Engineering Consultancy providing multidisciplinary expertise for energy projects providing a complete service from feasibility and concept development…” Recorded in the RevenueBase company graph · Sep 29, 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 “electrical engineering consulting 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 2,691 electrical engineering consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 7,771 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical engineering consulting firms based in the United Kingdom at a glance

As of Sep 29, 2026

35.9%Verified-email coverage

4.6%Mobile-number coverage

8.0Average contacts per company

1-10Median size (employees)

8.6%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

1,643

11-50

846

51-200

142

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 31.0d

4,3160–30

5,54731–60

34661–90

290–180

19180+

Company record updated

Median 95.0d

00–30

1,23631–60

10,60561–90

14,52590–180

1,437180+

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 “electrical engineering consulting 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 7,771 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 29, 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.

Electrical engineering consulting firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “electrical engineering consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical engineering consulting firms are there based in the United Kingdom?

RevenueBase identified 2,691 company matches for electrical engineering consulting 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?

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

Which city has the most electrical engineering consulting firms?

London leads with 231 company records, followed by Manchester (55) and Bristol (40).

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 7,771 professional contacts with verified work emails tracked across these 2,691 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 29, 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.