Company lists · Data refreshed November 2026

Top 25 Electrical substation operators based in the United Kingdom

RevenueBase identified 62 company matches for electrical substation operators associated with the United Kingdom as of November 2026 and tracks 3,135 professional contacts across them, including 1,587 with verified work emails. Glasgow is the largest hub.

This list covers company matches for electrical substation operators associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
62Companies
3,135Contacts tracked
1,587Verified emails
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The 25 largest electrical substation operators based in the United Kingdom

Ranked by team size
Top 25 of 62 company matches for electrical substation operators based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchGlasgow, United KingdomHQ recorded Nov 6, 20261,001-5,0001,798 contacts →

Exact match

“We transmit, distribute and connect electricity to and from 3.5 million homes and businesses over our network, 24 hours a day, every day of the year.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBristol, United KingdomHQ recorded Nov 6, 20265,001-10,000482 contacts →

Exact match

“Western Power Distribution is the electricity distribution network operator for the Midlands, South West England and South Wales, serving 7.9 million customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSalford, United KingdomHQ recorded Nov 6, 2026201-500114 contacts →

Exact match

“Excalon is one of the Britain’s leading UK Electrical Utility Service Providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBromsgrove, United KingdomHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchUlverston, United KingdomHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Acrastyle Limited (UK) is a resource-rich engineering company that designs, manufactures, tests, installs, commissions, and maintains high-voltage sub-station protection and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWatford, United KingdomHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“HVSS (High Voltage Substation Services) was formed in 2009 specializing in installation and commissioning of High Voltage Substations Systems up to 400kV.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchStafford, United KingdomHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Specialising in High Voltage Substation Installation & Commissioning, Site & Project Management, Refurbishment, Maintenance, SES Ltd has established a solid reputation for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHyde, United KingdomHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“ISS Ltd are a HV/LV Power Engineering company operating nationwide, undertaking Turnkey Electrical Distribution Projects and Site Service activities, including installation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPreston, United KingdomHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“John Robson Metals Ltd has been at the forefront of safe dismantling and demolition in the Electrical Supply Industry for over 50 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchStaffordshire, United KingdomHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“REDAS Engineering & Construction is a team of experienced professionals with more than a decade experience in substation tendering, procurement, design, Installation, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHove, United KingdomHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“L.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNewcastle Under Lyme, United KingdomHQ recorded Nov 6, 202611-5021 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNorwich, United KingdomHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Our distinct expertise lies in designing, engineering, maintaining, installing, testing and commissioning high-voltage substations, electrical transmission and distribution…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchColchester, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“We are an Electrical Substation Designer based with providing consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWortley, United KingdomHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Unique in its operations, PES engineers substation equipment at its Leeds-based production facility, providing turnkey private network installation, independent contestable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPoole, United KingdomHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“GTR Transmission & Protection Solutions Ltd is a registered engineering company and supplier of high voltage Commissioning Engineers for power stations & substations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchReading, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“From a small single electrical connection to a new substation, we take full responsibility for ensuring your new connection gets done!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPortsmouth, United KingdomHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“Cable Connections Ltd was established in 2016 with the vision of becoming the UK’s number one electrical contractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBradford, United KingdomHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“Active Pathways Solutions is proud to support many of the UK’s most prestigious and high-profile substation and power infrastructure projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOxford, United KingdomHQ recorded Nov 6, 202651-20012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSleaford, United KingdomHQ recorded Nov 6, 202611-509 contacts →

Exact match

“EME Power Systems Limited is a leading national provider of power distribution services to business and industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHolton Heath Poole, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“We specialise in multi utility installations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGravesend, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Traction Rail Electrical Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAlderley Edge, United KingdomHQ recorded Nov 6, 202651-2007 contacts →

Exact match

“At Hardtech HV we create, maintain, service, upgrade and connect all manner of High Voltage Distribution Networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNationwide, United KingdomHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Here at edsp solutions we can design, project manage and deliver all schemes from low voltage through to 132kv with the capabilities to also project manage schemes at 275kv &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 62 electrical substation operators based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,587 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical substation operators based in the United Kingdom at a glance

As of Nov 6, 2026
50.6%Verified-email coverage
50.6Average contacts per company
11-50Median size (employees)
4.8%Largest-city concentration · Glasgow
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
23
51-200
11
201-500
1
1,001-5,000
1
5,001-10,000
1

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 62 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 substation operators” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,587 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

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

How many electrical substation operators are there based in the United Kingdom?

RevenueBase identified 62 company matches for electrical substation operators 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?

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

Which city has the most electrical substation operators?

Glasgow leads with 3 company records, followed by London (3) and Bristol (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,587 professional contacts with verified work emails tracked across these 62 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.