Company lists · Data refreshed November 2026

Top 25 Transformer hardware suppliers based in the United Kingdom

RevenueBase identified 161 company matches for transformer hardware suppliers associated with the United Kingdom as of November 2026 and tracks 4,033 professional contacts across them, including 1,975 with verified work emails. London is the largest hub.

This list covers company matches for transformer hardware suppliers 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
161Companies
4,033Contacts tracked
1,975Verified emails
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The 25 largest transformer hardware suppliers based in the United Kingdom

Ranked by team size
Top 25 of 161 company matches for transformer hardware suppliers 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 matchKenilworth, United KingdomHQ recorded Nov 2, 20261,001-5,0002,496 contacts →

Exact match

“City Electrical Factors Ltd is a private limited company established in 1951.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchTamworth, United KingdomHQ recorded Nov 2, 202651-200169 contacts →

Exact match

“Since our incorporation in 1989 we have become a significant force in the electrical accessory market.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchLeeds, United KingdomHQ recorded Nov 2, 202651-200161 contacts →

Exact match

“Wilson Power Solutions is a power and distribution transformer manufacturer, recognised for pioneering amorphous transformer core technology, making it home to Europe's most…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchTollbridge Road, United KingdomHQ recorded Nov 2, 202651-20048 contacts →

Exact match

“Established for over 100 years, Slaters Electricals Ltd are experts in LV and HV power distribution equipment, installation and support solutions.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchWoking, United KingdomHQ recorded Nov 2, 202651-20047 contacts →

Exact match

“Jointing Tech is leading UK distributor of specialist power cables and accessories, supporting the maintenance, development, and connection of the UK’s electrical infrastructure.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchHorsham, United KingdomHQ recorded Nov 2, 202651-20046 contacts →

Exact match

“Aerco is a stockist and distributor of electrical components, supplying manufacturers and service companies within the aerospace, defence, medical, industrial, rail and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchHeanor, United KingdomHQ recorded Nov 2, 202611-5038 contacts →

Exact match

“Bowers Electricals are in the 70th year of powering industry and one of the worlds biggest designers and suppliers of energy saving EU Compliant Tier 1 and Tier 2 Distribution and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchNorwich, United KingdomHQ recorded Nov 2, 202651-20036 contacts →

Exact match

“Laurence Scott and Morley are leading suppliers specializing in the engineering design and manufacturing of high and low voltage AC and DC electric motors, as well as…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchPoole, United KingdomHQ recorded Nov 2, 202651-20033 contacts →

Exact match

“We are an electrical wholesale company supplying electrical contractors, installers, facilities managers and commercial and industrial users with a wide range of electrical…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchAndover, United KingdomHQ recorded Nov 2, 202651-20032 contacts →

Exact match

“Preformed Line Products (GB) Limited was established in 1957 and is a wholly owned subsidiary of Preformed Line Products Company of Cleveland, Ohio, USA.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchHartlebury, United KingdomHQ recorded Nov 2, 202611-5031 contacts →

Exact match

“TEC Electric Motors holds the largest stock of electric motors in the UK, alongside a comprehensive range of gearboxes and inverter drives.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchCo.tyrone, United KingdomHQ recorded Nov 2, 202651-20031 contacts →

Exact match

“JJ Loughran is an Electrical Engineering & Supply Company based in Cookstown N.Ireland.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchBlaydon On Tyne, United KingdomHQ recorded Nov 2, 202611-5031 contacts →

Exact match

“Power transformer repair, refurbishment, supply & installation and enhancement throughout the UK and northern Europe.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchMaldon, United KingdomHQ recorded Nov 2, 202611-5026 contacts →

Exact match

“TMC (Transformer Manufacturing Company) is a British manufacturer of transformers, power distribution equipment, and associated wound products, with a heritage dating back to 1981.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchNottingham, United KingdomHQ recorded Nov 2, 202611-5024 contacts →

Exact match

“Since 1947, Termate has been engineering high-performance electrical insulation components trusted by engineers and manufacturers worldwide- OUR PRODUCTS - All our products…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchDunmurry, United KingdomHQ recorded Nov 2, 202651-20023 contacts →

Exact match

“Century Electrical Wholesale Ltd.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchNewcastle-under-lyme, United KingdomHQ recorded Nov 2, 202611-5023 contacts →

Exact match

“With over 30 years’ experience, HUBER+SUHNER Phoenix Dynamics is a leader in delivering world class electrical cable assemblies into some of the most challenging environments.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchKingsway Business Park, United KingdomHQ recorded Nov 2, 202651-20021 contacts →

Exact match

“RAP Industrials & Renewables RAP are Specialists in the Supply and procurement of Quality Controlled Mechanical, Instrumentation and electrical Components.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchChristchurch, United KingdomHQ recorded Nov 2, 202651-20020 contacts →

Exact match

“AVON MAGNETICS LIMITED is an electrical/electronic manufacturing company based out of Reid St, Christchurch, DORSET, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchLeicester, United KingdomHQ recorded Nov 2, 202651-20020 contacts →

Exact match

“iST POWER LIMITED is a UK-based manufacturer of high-performance transformers, reactors, and wound components-serving critical infrastructure and industrial applications for over…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchBury, United KingdomHQ recorded Nov 2, 202611-5019 contacts →

Exact match

“Specialist Switchgear Systems Ltd has been helping clients, electrical contractors and tradespeople deliver sustainable excellence in switchgear solutions & components for decades.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchTelford, United KingdomHQ recorded Nov 2, 202611-5019 contacts →

Exact match

“CEENorm UK Ltd.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchWooburn Green, United KingdomHQ recorded Nov 2, 202611-5018 contacts →

Exact match

“At CSE Industrial Electrical Distributors our VISION is “Better Business through EXPERT Distribution!”.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchSherburn In Elmet, United KingdomHQ recorded Nov 2, 202611-5016 contacts →

Exact match

“Introduction Established in 1975 and with over 50 years’ experience, GR Electrical Services Ltd is one of the UK’s leading manufacturers in the switchboard industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchEllon, United KingdomHQ recorded Nov 2, 20261-1016 contacts →

Exact match

“GFI Enterprises Ltd is a specialist product and international supply company providing both electrical and mechanical equipment, spares and other operating materials to mainly…”

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

Showing 25 of 161 transformer hardware suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,975 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Transformer hardware suppliers based in the United Kingdom at a glance

As of Nov 2, 2026
49.0%Verified-email coverage
25.0Average contacts per company
11-50Median size (employees)
5.6%Largest-city concentration · London
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
65
11-50
62
51-200
20
201-500
2
1,001-5,000
2

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 161 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 “transformer hardware suppliers” 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 1,975 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 “transformer hardware suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transformer hardware suppliers are there based in the United Kingdom?

RevenueBase identified 161 company matches for transformer hardware suppliers 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?

City Electrical Factors tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most transformer hardware suppliers?

London leads with 9 company records, followed by Leeds (4) and Telford (4).

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 1,975 professional contacts with verified work emails tracked across these 161 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.