Company lists · Data refreshed November 2026

Top 25 Substation integration services based in the United Kingdom

RevenueBase identified 125 company matches for substation integration services associated with the United Kingdom as of November 2026 and tracks 1,418 professional contacts across them, including 429 with verified work emails. London is the largest hub.

This list covers company matches for substation integration services 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 2, 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 2, 2026 How this list was built
125Companies
1,418Contacts tracked
429Verified emails
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The 25 largest substation integration services based in the United Kingdom

Ranked by team size
Top 25 of 125 company matches for substation integration services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchBromsgrove, United KingdomHQ recorded Nov 2, 202651-200104 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 2, 2026 · View company records in RevenueBase
2Exact matchHebburn, United KingdomHQ recorded Nov 2, 202651-20075 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 · Nov 2, 2026 · View company records in RevenueBase
3Exact matchWatford, United KingdomHQ recorded Nov 2, 202611-5051 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 2, 2026 · View company records in RevenueBase
4Exact matchUlverston, United KingdomHQ recorded Nov 2, 202651-20049 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 2, 2026 · View company records in RevenueBase
5Exact matchWrexham, United KingdomHQ recorded Nov 2, 202651-20048 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 2, 2026 · View company records in RevenueBase
6Exact matchHill, United KingdomHQ recorded Nov 2, 202651-20045 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 · Nov 2, 2026 · View company records in RevenueBase
7Exact matchBridgend Industrial Estate, United KingdomHQ recorded Nov 2, 202651-20041 contacts →

Exact match

“MLE was established in 1976 to provide specialist design & manufacturing services for 12kV – 145kV overhead line disconnectors & switches.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchStafford, United KingdomHQ recorded Nov 2, 202611-5038 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 2, 2026 · View company records in RevenueBase
9Exact matchGainsborough, United KingdomHQ recorded Nov 2, 202651-20037 contacts →

Exact match

“Keeping power, water, and rail moving since 1966.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchHyde, United KingdomHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
11Exact matchStoke On Trent, United KingdomHQ recorded Nov 2, 202651-20025 contacts →

Exact match

“At ICS, part of United Infrastructure Group, we power the future with innovative, high-voltage electrical solutions.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchLlantrisant, United KingdomHQ recorded Nov 2, 202611-5022 contacts →

Exact match

“Substation Project Support: Project & Site Management, Civils & M&E Installation Teams.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchStaffordshire, United KingdomHQ recorded Nov 2, 202611-5021 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 2, 2026 · View company records in RevenueBase
14Exact matchNewcastle Under Lyme, United KingdomHQ recorded Nov 2, 202611-5021 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchHove, United KingdomHQ recorded Nov 2, 202651-20020 contacts →

Exact match

“L.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchManchester, United KingdomHQ recorded Nov 2, 202611-5020 contacts →

Exact match

“Valen Power Engineering Ltd provides electrical engineering solutions for systems ranging from LV to 400kV.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchNorwich, United KingdomHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
18Exact matchCheadle, United KingdomHQ recorded Nov 2, 202611-5018 contacts →

Exact match

“Primary Power Consulting is a UK‑based power engineering and project management consultancy specialising in the delivery of complex HV and EHV electricity infrastructure.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchWortley, United KingdomHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
20Exact matchMelksham, United KingdomHQ recorded Nov 2, 202611-5017 contacts →

Exact match

“HK Engineering Ltd is a leading engineering company specialising in electrical and gas testing and innovative solutions, with a solid commitment to excellence.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchColchester, United KingdomHQ recorded Nov 2, 202611-5017 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchPoole, United KingdomHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
23Exact matchReading, United KingdomHQ recorded Nov 2, 202611-5014 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 2, 2026 · View company records in RevenueBase
24Exact matchPortsmouth, United KingdomHQ recorded Nov 2, 20261-1014 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 2, 2026 · View company records in RevenueBase
25Exact matchNewport, United KingdomHQ recorded Nov 2, 202611-5013 contacts →

Exact match

“Power Distribution System & Solutions Engineers to 66kV Switchboards LV & MV - Power Factor Correction - Transformers Installation, Maintenance, Supply, Repair, Service and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 125 substation integration services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 429 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Substation integration services based in the United Kingdom at a glance

As of Nov 2, 2026
30.3%Verified-email coverage
11.3Average contacts per company
11-50Median size (employees)
8.0%Largest-city concentration · London
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
59
11-50
43
51-200
19
201-500
3
10001+
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 125 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 “substation integration services” 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 429 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 2, 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 “substation integration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many substation integration services are there based in the United Kingdom?

RevenueBase identified 125 company matches for substation integration services 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?

Rock Power Connections LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most substation integration services?

London leads with 10 company records, followed by Manchester (4) and Glasgow (3).

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 429 professional contacts with verified work emails tracked across these 125 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 2, 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.