Company lists · Data refreshed September 2026
Top 25 Electrical system design companies based in the United Kingdom
RevenueBase identified 2,948 company matches for electrical system design companies associated with the United Kingdom as of September 2026 and tracks 19,459 professional contacts across them, including 6,912 with verified work emails. London is the largest hub.
This list covers company matches for electrical system design companies 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 19, 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 25 largest electrical system design companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 19, 2026 · View company records in RevenueBase | |||||
| 2 | 156 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 151 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 123 contacts → | ||||
Exact match “Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 117 contacts → | ||||
Exact match “AF Switchgear is one of the UK's largest switchgear manufacturers and set the standard for LV Switchgear and Power Distribution.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 114 contacts → | ||||
Exact match “LJJ formed in 2001 as a private limited company and is a multi-disciplined organisation capable of completing major mechanical, electrical and public health service contracts in a…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 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 19, 2026 · View company records in RevenueBase | |||||
| 8 | 109 contacts → | ||||
Exact match “Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 106 contacts → | ||||
Exact match “Established in 1968 as a firm of Consulting Civil & Structural Engineers Alan Wood & Partners now have 7 offices in the UK.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 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 19, 2026 · View company records in RevenueBase | |||||
| 11 | 103 contacts → | ||||
Exact match “JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 98 contacts → | ||||
Exact match “We are an independent Building Services Consultancy providing national coverage.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 96 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 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 19, 2026 · View company records in RevenueBase | |||||
| 15 | 82 contacts → | ||||
Exact match “GTDS was established in July 2004 to provide specialist installation and commissioning services to the major manufacturers, National Grid and the Distribution Network Operators…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 81 contacts → | ||||
Exact match “Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 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 19, 2026 · View company records in RevenueBase | |||||
| 18 | 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 19, 2026 · View company records in RevenueBase | |||||
| 19 | 74 contacts → | ||||
Exact match “AQ Wiring Systems Rockford designs and manufactures high-reliability electrical systems, cable assemblies, and electro-mechanical solutions for defence, aerospace, and advanced…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 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 19, 2026 · View company records in RevenueBase | |||||
| 21 | 68 contacts → | ||||
Exact match “Established in 1979 and located in Leeds in a purpose built 2,400m² design, manufacturing and testing facility, Saftronics specialise in process control systems and LV…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 67 contacts → | ||||
Exact match “DSSR is a forward-thinking, award-winning company of Consulting Engineers specialising in all aspects of Building Services and Sustainability design.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 62 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 61 contacts → | ||||
Exact match “As an ambitious building services consultancy, at CBG Consultants we have a strong commitment to excellence.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 58 contacts → | ||||
Exact match “We are a specialist consultancy business delivering mechanical and electrical design and commissioning consultancy.” Recorded in the RevenueBase company graph · Sep 19, 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 system design companies”. 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 2,948 electrical system design companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 6,912 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Electrical system design companies based in the United Kingdom at a glance
As of Sep 19, 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 2,948 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 system design companies” 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 6,912 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 19, 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 system design companies by metro
- Electrical system design companies in London213
- Electrical system design companies in Manchester52
- Electrical system design companies in Nottingham39
- Electrical system design companies in Glasgow38
- Electrical system design companies in Bristol36
- Electrical system design companies in Southampton29
- Electrical system design companies in Leeds27
- Electrical system design companies in Sheffield27
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 system design companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many electrical system design companies are there based in the United Kingdom?
RevenueBase identified 2,948 company matches for electrical system design companies 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 system design companies?
London leads with 213 company records, followed by Manchester (52) and Nottingham (39).
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 6,912 professional contacts with verified work emails tracked across these 2,948 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,948 electrical system design companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Electrical system design companies by geography
- Electrical system design companies based in Brisbane, Australia
- Electrical system design companies based in Melbourne, Australia
- Electrical system design companies based in Perth, Australia
- Electrical system design companies based in Sydney, Australia
- Electrical system design companies based in Belo Horizonte, Brazil
- Electrical system design companies based in Curitiba, Brazil
- Electrical system design companies based in Porto Alegre, Brazil
- Electrical system design companies based in Rio De Janeiro, Brazil
- Electrical system design companies based in Sao Paulo, Brazil
- Electrical system design companies based in Calgary, Canada
- Electrical system design companies based in Edmonton, Canada
- Electrical system design companies based in Mississauga, Canada
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Electrical system design companies based in Brisbane, Australia
- Electrical system design companies based in Melbourne, Australia
- Electrical system design companies based in Perth, Australia
- Electrical system design companies based in Sydney, Australia
- Electrical system design companies based in Belo Horizonte, Brazil
- Electrical system design companies based in Curitiba, Brazil
Company intelligence · public preview
Top 25 electrical system design companies 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 2,948 matching company records for electrical system design companies based in the United Kingdom, with 19,459 tracked contacts and 6,912 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 25 electrical system design companies 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 |  Hoare LEAhoarelea.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 1,103 contacts → |
“We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Z-Tech Control Systems LTDz-tech.co.ukHQ: Swavesey, United KingdomReported employees: 201-500 | Swavesey, United Kingdom | 201-500 | Exact match | 156 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  Asee Groupaseeltd.comHQ: Newry, United KingdomReported employees: 51-200 | Newry, United Kingdom | 51-200 | Exact match | 151 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cilantro Engineering UK Limitedcilantroeng.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 123 contacts → |
“Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  AF Switchgearafswitchgear.co.ukHQ: Sutton-in-ashfield, United KingdomReported employees: 201-500 | Sutton-in-ashfield, United Kingdom | 201-500 | Exact match | 117 contacts → |
“AF Switchgear is one of the UK's largest switchgear manufacturers and set the standard for LV Switchgear and Power Distribution.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | LJJ LTDljjcontractors.co.uk HQ: Stockton On Tees, United KingdomReported employees: 201-500 | Stockton On Tees, United Kingdom | 201-500 | Exact match | 114 contacts → |
“LJJ formed in 2001 as a private limited company and is a multi-disciplined organisation capable of completing major mechanical, electrical and public health service contracts in a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Darke & Taylor LTDdarkeandtaylor.co.ukHQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 112 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | G & A Barnie Group LTDgabarnie.co.uk HQ: Inverness, United KingdomReported employees: 201-500 | Inverness, United Kingdom | 201-500 | Exact match | 109 contacts → |
“Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Alan Wood & Partnersalanwood.co.ukHQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Established in 1968 as a firm of Consulting Civil & Structural Engineers Alan Wood & Partners now have 7 offices in the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Rock Power Connections LTDrockpowerconnections.co.ukHQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 105 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | JCW Energy Services LTDjcwes.com HQ: Melbourn, United KingdomReported employees: 201-500 | Melbourn, United Kingdom | 201-500 | Exact match | 103 contacts → |
“JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Hulley And Kirkwoodhulley.co.ukHQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 98 contacts → |
“We are an independent Building Services Consultancy providing national coverage.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Sinewavesinewave.co.ukHQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 96 contacts → |
“Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Services Design Solution SDSsdsolution.co.ukHQ: South West, United KingdomReported employees: 51-200 | South West, United Kingdom | 51-200 | Exact match | 87 contacts → |
“SDS is a forward-looking, dynamic construction consultancy specialising in the design of sustainable, mechanical and electrical engineering systems for buildings.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GTDSgtds.co.uk HQ: Hill, United KingdomReported employees: 51-200 | Hill, United Kingdom | 51-200 | Exact match | 82 contacts → |
“GTDS was established in July 2004 to provide specialist installation and commissioning services to the major manufacturers, National Grid and the Distribution Network Operators…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Grant Walker Engineeringg-w-e.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  AKDakd.netHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 79 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Global Substation Solutions LTDgss.eu.com HQ: Hebburn, United KingdomReported employees: 51-200 | Hebburn, United Kingdom | 51-200 | Exact match | 75 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | AQ Wiring Systems Rockfordrockford.co.uk HQ: Rendlesham, United KingdomReported employees: 51-200 | Rendlesham, United Kingdom | 51-200 | Exact match | 74 contacts → |
“AQ Wiring Systems Rockford designs and manufactures high-reliability electrical systems, cable assemblies, and electro-mechanical solutions for defence, aerospace, and advanced…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Delap & Wallerdelapandwaller.comHQ: Antrim /, United KingdomReported employees: 51-200 | Antrim /, United Kingdom | 51-200 | Exact match | 73 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  RSE Control Systems Saftronicssaftronics.co.ukHQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 68 contacts → |
“Established in 1979 and located in Leeds in a purpose built 2,400m² design, manufacturing and testing facility, Saftronics specialise in process control systems and LV…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  DSSRdssr.co.ukHQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 67 contacts → |
“DSSR is a forward-thinking, award-winning company of Consulting Engineers specialising in all aspects of Building Services and Sustainability design.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ETA Projects LTDetaprojects.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 62 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CBG Consultants LTDcbgc.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 61 contacts → |
“As an ambitious building services consultancy, at CBG Consultants we have a strong commitment to excellence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Banyardsbanyards.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 58 contacts → |
“We are a specialist consultancy business delivering mechanical and electrical design and commissioning consultancy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,948 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Electrical system design companies: dataset insights
September 19, 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
2,903 records in the displayed employee bands.
45 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 2,948 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: September 19, 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 ↗
Electrical system design companies by metro
- Electrical system design companies in London213
- Electrical system design companies in Manchester52
- Electrical system design companies in Nottingham39
- Electrical system design companies in Glasgow38
- Electrical system design companies in Bristol36
- Electrical system design companies in Southampton29
- Electrical system design companies in Leeds27
- Electrical system design companies in Sheffield27
Questions about this company list
What does Exact match mean for electrical system design companies?
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 system design companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,948 matching company records, 19,459 tracked contacts and 6,912 verified emails. The public preview displays 25 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: September 19, 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 system design companies by geography
- Electrical system design companies based in Brisbane, Australia
- Electrical system design companies based in Melbourne, Australia
- Electrical system design companies based in Perth, Australia
- Electrical system design companies based in Sydney, Australia
- Electrical system design companies based in Belo Horizonte, Brazil
- Electrical system design companies based in Curitiba, Brazil
- Electrical system design companies based in Porto Alegre, Brazil
- Electrical system design companies based in Rio De Janeiro, Brazil
- Electrical system design companies based in Sao Paulo, Brazil
- Electrical system design companies based in Calgary, Canada
- Electrical system design companies based in Edmonton, Canada
- Electrical system design companies based in Mississauga, Canada
Cite this list
RevenueBase Data Team. Top 25 electrical system design companies based in the United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/electrical-system-design-companies/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 system design companies based in Brisbane, Australia
- Electrical system design companies based in Melbourne, Australia
- Electrical system design companies based in Perth, Australia
- Electrical system design companies based in Sydney, Australia
- Electrical system design companies based in Belo Horizonte, Brazil
- Electrical system design companies based in Curitiba, Brazil
Company intelligence · public preview
Top 25 electrical system design companies based in the United Kingdom
RevenueBase records 2,948 matching company records for electrical system design companies based in the United Kingdom, with 19,459 tracked contacts and 6,912 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 25 electrical system design companies 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 | Hoare LEAhoarelea.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 1,103 contacts → |
“We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Z-Tech Control Systems LTDz-tech.co.uk HQ: Swavesey, United KingdomReported employees: 201-500 | Swavesey, United Kingdom | 201-500 | Exact match | 156 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | Asee Groupaseeltd.com HQ: Newry, United KingdomReported employees: 51-200 | Newry, United Kingdom | 51-200 | Exact match | 151 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cilantro Engineering UK Limitedcilantroeng.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 123 contacts → |
“Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | AF Switchgearafswitchgear.co.uk HQ: Sutton-in-ashfield, United KingdomReported employees: 201-500 | Sutton-in-ashfield, United Kingdom | 201-500 | Exact match | 117 contacts → |
“AF Switchgear is one of the UK's largest switchgear manufacturers and set the standard for LV Switchgear and Power Distribution.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | LJJ LTDljjcontractors.co.uk HQ: Stockton On Tees, United KingdomReported employees: 201-500 | Stockton On Tees, United Kingdom | 201-500 | Exact match | 114 contacts → |
“LJJ formed in 2001 as a private limited company and is a multi-disciplined organisation capable of completing major mechanical, electrical and public health service contracts in a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Darke & Taylor LTDdarkeandtaylor.co.uk HQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 112 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | G & A Barnie Group LTDgabarnie.co.uk HQ: Inverness, United KingdomReported employees: 201-500 | Inverness, United Kingdom | 201-500 | Exact match | 109 contacts → |
“Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Alan Wood & Partnersalanwood.co.uk HQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Established in 1968 as a firm of Consulting Civil & Structural Engineers Alan Wood & Partners now have 7 offices in the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Rock Power Connections LTDrockpowerconnections.co.uk HQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 105 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | JCW Energy Services LTDjcwes.com HQ: Melbourn, United KingdomReported employees: 201-500 | Melbourn, United Kingdom | 201-500 | Exact match | 103 contacts → |
“JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hulley And Kirkwoodhulley.co.uk HQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 98 contacts → |
“We are an independent Building Services Consultancy providing national coverage.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sinewavesinewave.co.uk HQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 96 contacts → |
“Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Services Design Solution SDSsdsolution.co.uk HQ: South West, United KingdomReported employees: 51-200 | South West, United Kingdom | 51-200 | Exact match | 87 contacts → |
“SDS is a forward-looking, dynamic construction consultancy specialising in the design of sustainable, mechanical and electrical engineering systems for buildings.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GTDSgtds.co.uk HQ: Hill, United KingdomReported employees: 51-200 | Hill, United Kingdom | 51-200 | Exact match | 82 contacts → |
“GTDS was established in July 2004 to provide specialist installation and commissioning services to the major manufacturers, National Grid and the Distribution Network Operators…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Grant Walker Engineeringg-w-e.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | AKDakd.net HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 79 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Global Substation Solutions LTDgss.eu.com HQ: Hebburn, United KingdomReported employees: 51-200 | Hebburn, United Kingdom | 51-200 | Exact match | 75 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | AQ Wiring Systems Rockfordrockford.co.uk HQ: Rendlesham, United KingdomReported employees: 51-200 | Rendlesham, United Kingdom | 51-200 | Exact match | 74 contacts → |
“AQ Wiring Systems Rockford designs and manufactures high-reliability electrical systems, cable assemblies, and electro-mechanical solutions for defence, aerospace, and advanced…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Delap & Wallerdelapandwaller.com HQ: Antrim /, United KingdomReported employees: 51-200 | Antrim /, United Kingdom | 51-200 | Exact match | 73 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RSE Control Systems Saftronicssaftronics.co.uk HQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 68 contacts → |
“Established in 1979 and located in Leeds in a purpose built 2,400m² design, manufacturing and testing facility, Saftronics specialise in process control systems and LV…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | DSSRdssr.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 67 contacts → |
“DSSR is a forward-thinking, award-winning company of Consulting Engineers specialising in all aspects of Building Services and Sustainability design.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ETA Projects LTDetaprojects.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 62 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CBG Consultants LTDcbgc.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 61 contacts → |
“As an ambitious building services consultancy, at CBG Consultants we have a strong commitment to excellence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Banyardsbanyards.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 58 contacts → |
“We are a specialist consultancy business delivering mechanical and electrical design and commissioning consultancy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,948 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Electrical system design companies: dataset insights
September 19, 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
2,903 records in the displayed employee bands.
45 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 2,948 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: September 19, 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 ↗
Electrical system design companies by metro
- Electrical system design companies in London213
- Electrical system design companies in Manchester52
- Electrical system design companies in Nottingham39
- Electrical system design companies in Glasgow38
- Electrical system design companies in Bristol36
- Electrical system design companies in Southampton29
- Electrical system design companies in Leeds27
- Electrical system design companies in Sheffield27
Questions about this company list
What does Exact match mean for electrical system design companies?
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 system design companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,948 matching company records, 19,459 tracked contacts and 6,912 verified emails. The public preview displays 25 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: September 19, 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 system design companies by geography
- Electrical system design companies based in Brisbane, Australia
- Electrical system design companies based in Melbourne, Australia
- Electrical system design companies based in Perth, Australia
- Electrical system design companies based in Sydney, Australia
- Electrical system design companies based in Belo Horizonte, Brazil
- Electrical system design companies based in Curitiba, Brazil
- Electrical system design companies based in Porto Alegre, Brazil
- Electrical system design companies based in Rio De Janeiro, Brazil
- Electrical system design companies based in Sao Paulo, Brazil
- Electrical system design companies based in Calgary, Canada
- Electrical system design companies based in Edmonton, Canada
- Electrical system design companies based in Mississauga, Canada
Cite this list
RevenueBase Data Team. Top 25 electrical system design companies based in the United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/electrical-system-design-companies/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 system design companies based in Brisbane, Australia
- Electrical system design companies based in Melbourne, Australia
- Electrical system design companies based in Perth, Australia
- Electrical system design companies based in Sydney, Australia
- Electrical system design companies based in Belo Horizonte, Brazil
- Electrical system design companies based in Curitiba, Brazil