Company lists · Data refreshed November 2026
Top 23 Electrical engineering firms based in the United Kingdom
RevenueBase identified 2,381 company matches for electrical engineering firms associated with the United Kingdom as of November 2026 and tracks 20,125 professional contacts across them, including 6,512 with verified work emails. London is the largest hub.
This list covers company matches for electrical 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 November 5, 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 23 largest electrical engineering firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 740 contacts → | ||||
Exact match “Freedom is a leading provider of facilities and power engineering services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 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 5, 2026 · View company records in RevenueBase | |||||
| 3 | 229 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 226 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 198 contacts → | ||||
Exact match “P.N.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 144 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 129 contacts → | ||||
Exact match “Powered by People.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 128 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 122 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 115 contacts → | ||||
Exact match “ASEE Group is a leader in mechanical and electrical engineering, specialising in generator integration and full-service installations for 45+ years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 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 5, 2026 · View company records in RevenueBase | |||||
| 12 | 109 contacts → | ||||
Exact match “Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 96 contacts → | ||||
Exact match “Mechanical, Electrical, Design and Construction Services Since 1977, Picow Engineering has been delivering a cost-effective engineering service to a growing number of blue chip…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 93 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 82 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 71 contacts → | ||||
Exact match “IPEC Limited was founded in 1995 with the objective of transferring cutting-edge technology to the power industry by generating a dialogue between academic research, industry, and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 69 contacts → | ||||
Exact match “Chosen to deliver, trusted to care - for 30 years we’ve worked with clients across a diverse range of sectors to deliver safe and sustainable engineering solutions that prioritise…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 62 contacts → | ||||
Exact match “Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 62 contacts → | ||||
Exact match “The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 57 contacts → | ||||
Exact match “We provide in-house comprehensive engineering for all disciplines such as mechanical (3d modelling), electrical & instrumentation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 56 contacts → | ||||
Exact match “Lloyd Morris Electrical Limited is a company of Electrical Engineers, specialising in the design, manufacture and installation of Electrical Distribution and Control Systems for…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 56 contacts → | ||||
Exact match “RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.” Recorded in the RevenueBase company graph · Nov 5, 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 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 23 of 2,381 electrical engineering firms based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 6,512 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Electrical engineering firms based in the United Kingdom at a glance
As of Nov 5, 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 2,381 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 “electrical 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 6,512 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 5, 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 “electrical engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many electrical engineering firms are there based in the United Kingdom?
RevenueBase identified 2,381 company matches for electrical engineering firms 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?
Freedom tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most electrical engineering firms?
London leads with 174 company records, followed by Manchester (42) and Glasgow (29).
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 6,512 professional contacts with verified work emails tracked across these 2,381 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,381 electrical engineering firms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Electrical engineering firms by geography
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- Electrical engineering firms based in Spain
- Electrical engineering firms based in the Netherlands
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- Electrical engineering firms based in Sweden
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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- Electrical engineering firms based in the United States
- Electrical engineering firms based in Brazil
- Electrical engineering firms based in Italy
- Electrical engineering firms based in Germany
- Electrical engineering firms based in France
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Company intelligence · public preview
Top 23 electrical engineering firms 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 2,381 matching company records for electrical engineering firms based in the United Kingdom, with 20,125 tracked contacts and 6,512 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 23 electrical engineering firms 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 |  Freedomngbailey.comHQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 740 contacts → |
“Freedom is a leading provider of facilities and power engineering services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Brush Groupbrush.eu HQ: Loughborough, United KingdomReported employees: 501-1,000 | Loughborough, United Kingdom | 501-1,000 | Exact match | 229 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Actemium UKactemium.co.ukHQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 226 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  PN Daly Limitedpndaly.co.ukHQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 198 contacts → |
“P.N.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Z-Tech Control Systems LTDz-tech.co.ukHQ: Swavesey, United KingdomReported employees: 201-500 | Swavesey, United Kingdom | 201-500 | Exact match | 144 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Powersystemspowersystemsuk.co.ukHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 129 contacts → |
“Powered by People.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Swann Engineering Group LTDswanngroupltd.comHQ: Braintree, United KingdomReported employees: 51-200 | Braintree, United Kingdom | 51-200 | Exact match | 128 contacts → |
“About Swann Engineering Group Founded in 1974, Swann Engineering Group specializes in delivering turnkey solutions for complex engineering challenges.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Darke & Taylor LTDdarkeandtaylor.co.ukHQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 122 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Asee Groupaseeltd.comHQ: Newry, United KingdomReported employees: 51-200 | Newry, United Kingdom | 51-200 | Exact match | 115 contacts → |
“ASEE Group is a leader in mechanical and electrical engineering, specialising in generator integration and full-service installations for 45+ years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Rock Power Connections LTDrockpowerconnections.co.ukHQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sinewavesinewave.co.ukHQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 109 contacts → |
“Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Picow Engineering Grouppicow.co.ukHQ: Runcorn, United KingdomReported employees: 51-200 | Runcorn, United Kingdom | 51-200 | Exact match | 96 contacts → |
“Mechanical, Electrical, Design and Construction Services Since 1977, Picow Engineering has been delivering a cost-effective engineering service to a growing number of blue chip…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Acorn Engineering Limitedacornlimited.co.ukHQ: Slough, United KingdomReported employees: 51-200 | Slough, United Kingdom | 51-200 | Exact match | 93 contacts → |
“With over 40 years’ experience in our industry, we are experts in the specialist area of mechanical and electrical engineering.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  NARROnarroassociates.comHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 89 contacts → |
“Narro is a team of Consulting Structural & Civil Engineers with offices in Edinburgh, Glasgow, Stirling, Inverness, Aberdeen, Newcastle, and London.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  AKDakd.netHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 82 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  IPECipecuk.comHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 71 contacts → |
“IPEC Limited was founded in 1995 with the objective of transferring cutting-edge technology to the power industry by generating a dialogue between academic research, industry, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  ETA Projects LTDetaprojects.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 69 contacts → |
“Chosen to deliver, trusted to care - for 30 years we’ve worked with clients across a diverse range of sectors to deliver safe and sustainable engineering solutions that prioritise…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Premier Electricspremierelectrics.comHQ: Magherafelt, United KingdomReported employees: 51-200 | Magherafelt, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  The Seaking Groupseakinggroup.co.ukHQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 62 contacts → |
“The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  KGD Industrial Serviceskgd.co.ukHQ: Hereford, United KingdomReported employees: 51-200 | Hereford, United Kingdom | 51-200 | Exact match | 57 contacts → |
“We provide in-house comprehensive engineering for all disciplines such as mechanical (3d modelling), electrical & instrumentation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Lloyd Morris Electrical LTDlloydmorris.co.ukHQ: Wrexham, United KingdomReported employees: 51-200 | Wrexham, United Kingdom | 51-200 | Exact match | 56 contacts → |
“Lloyd Morris Electrical Limited is a company of Electrical Engineers, specialising in the design, manufacture and installation of Electrical Distribution and Control Systems for…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  RJ Powerrjpowernetworks.co.ukHQ: Sidcup, United KingdomReported employees: 51-200 | Sidcup, United Kingdom | 51-200 | Exact match | 56 contacts → |
“RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 2,381 company matches
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Electrical engineering firms: dataset insights
November 5, 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
2,253 records in the displayed employee bands.
128 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 2,381 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 5, 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 electrical engineering firms?
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 electrical engineering firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,381 matching company records, 20,125 tracked contacts and 6,512 verified emails. The public preview displays 23 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 5, 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
Electrical engineering firms by geography
- Electrical engineering firms based in the United States
- Electrical engineering firms based in Brazil
- Electrical engineering firms based in Italy
- Electrical engineering firms based in Germany
- Electrical engineering firms based in France
- Electrical engineering firms based in Australia
- Electrical engineering firms based in Canada
- Electrical engineering firms based in Spain
- Electrical engineering firms based in the Netherlands
- Electrical engineering firms based in South Africa
- Electrical engineering firms based in Switzerland
- Electrical engineering firms based in Sweden
Cite this list
RevenueBase Data Team. Top 23 electrical engineering firms based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/electrical-engineering-firms/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Electrical engineering firms based in the United States
- Electrical engineering firms based in Brazil
- Electrical engineering firms based in Italy
- Electrical engineering firms based in Germany
- Electrical engineering firms based in France
- Electrical engineering firms based in Australia
Company intelligence · public preview
Top 23 electrical engineering firms based in the United Kingdom
RevenueBase records 2,381 matching company records for electrical engineering firms based in the United Kingdom, with 20,125 tracked contacts and 6,512 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 23 electrical engineering firms 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 | Freedomngbailey.com HQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 740 contacts → |
“Freedom is a leading provider of facilities and power engineering services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Brush Groupbrush.eu HQ: Loughborough, United KingdomReported employees: 501-1,000 | Loughborough, United Kingdom | 501-1,000 | Exact match | 229 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Actemium UKactemium.co.uk HQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 226 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | PN Daly Limitedpndaly.co.uk HQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 198 contacts → |
“P.N.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Z-Tech Control Systems LTDz-tech.co.uk HQ: Swavesey, United KingdomReported employees: 201-500 | Swavesey, United Kingdom | 201-500 | Exact match | 144 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Powersystemspowersystemsuk.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 129 contacts → |
“Powered by People.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Swann Engineering Group LTDswanngroupltd.com HQ: Braintree, United KingdomReported employees: 51-200 | Braintree, United Kingdom | 51-200 | Exact match | 128 contacts → |
“About Swann Engineering Group Founded in 1974, Swann Engineering Group specializes in delivering turnkey solutions for complex engineering challenges.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Darke & Taylor LTDdarkeandtaylor.co.uk HQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 122 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Asee Groupaseeltd.com HQ: Newry, United KingdomReported employees: 51-200 | Newry, United Kingdom | 51-200 | Exact match | 115 contacts → |
“ASEE Group is a leader in mechanical and electrical engineering, specialising in generator integration and full-service installations for 45+ years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Rock Power Connections LTDrockpowerconnections.co.uk HQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sinewavesinewave.co.uk HQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 109 contacts → |
“Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Picow Engineering Grouppicow.co.uk HQ: Runcorn, United KingdomReported employees: 51-200 | Runcorn, United Kingdom | 51-200 | Exact match | 96 contacts → |
“Mechanical, Electrical, Design and Construction Services Since 1977, Picow Engineering has been delivering a cost-effective engineering service to a growing number of blue chip…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Acorn Engineering Limitedacornlimited.co.uk HQ: Slough, United KingdomReported employees: 51-200 | Slough, United Kingdom | 51-200 | Exact match | 93 contacts → |
“With over 40 years’ experience in our industry, we are experts in the specialist area of mechanical and electrical engineering.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | NARROnarroassociates.com HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 89 contacts → |
“Narro is a team of Consulting Structural & Civil Engineers with offices in Edinburgh, Glasgow, Stirling, Inverness, Aberdeen, Newcastle, and London.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | AKDakd.net HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 82 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | IPECipecuk.com HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 71 contacts → |
“IPEC Limited was founded in 1995 with the objective of transferring cutting-edge technology to the power industry by generating a dialogue between academic research, industry, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ETA Projects LTDetaprojects.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 69 contacts → |
“Chosen to deliver, trusted to care - for 30 years we’ve worked with clients across a diverse range of sectors to deliver safe and sustainable engineering solutions that prioritise…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Premier Electricspremierelectrics.com HQ: Magherafelt, United KingdomReported employees: 51-200 | Magherafelt, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | The Seaking Groupseakinggroup.co.uk HQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 62 contacts → |
“The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | KGD Industrial Serviceskgd.co.uk HQ: Hereford, United KingdomReported employees: 51-200 | Hereford, United Kingdom | 51-200 | Exact match | 57 contacts → |
“We provide in-house comprehensive engineering for all disciplines such as mechanical (3d modelling), electrical & instrumentation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Lloyd Morris Electrical LTDlloydmorris.co.uk HQ: Wrexham, United KingdomReported employees: 51-200 | Wrexham, United Kingdom | 51-200 | Exact match | 56 contacts → |
“Lloyd Morris Electrical Limited is a company of Electrical Engineers, specialising in the design, manufacture and installation of Electrical Distribution and Control Systems for…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | RJ Powerrjpowernetworks.co.uk HQ: Sidcup, United KingdomReported employees: 51-200 | Sidcup, United Kingdom | 51-200 | Exact match | 56 contacts → |
“RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 2,381 company matches
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Electrical engineering firms: dataset insights
November 5, 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
2,253 records in the displayed employee bands.
128 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 2,381 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 5, 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 electrical engineering firms?
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 electrical engineering firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,381 matching company records, 20,125 tracked contacts and 6,512 verified emails. The public preview displays 23 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 5, 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.
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Cite this list
RevenueBase Data Team. Top 23 electrical engineering firms based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/electrical-engineering-firms/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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