Company lists · Data refreshed October 2026

Top 21 Industrial rail electrification services based in London, United Kingdom

Name: Industrial rail electrification services based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 231 companies tracked

RevenueBase identified 231 company matches for industrial rail electrification services associated with London, United Kingdom as of October 2026 and tracks 3,833 professional contacts across them, including 630 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for industrial rail electrification services associated with London, 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 October 16, 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 Oct 16, 2026 How this list was built

231Companies

3,833Contacts tracked

630Verified emails

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The 21 largest industrial rail electrification services based in London, United Kingdom

Ranked by team size

Top 21 of 231 company matches for industrial rail electrification services based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	J Brand LTD	Exact match	London, United KingdomHQ recorded Oct 16, 2026	n/a	1,256 contacts →
	Exact match “Originally set up in 1933 by Joseph Brand as an electrical contracting and repair business in Margaret Street W1, the company today still operates today with the same guiding…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2	Colas Rail UK	Exact match	London, United KingdomHQ recorded Oct 16, 2026	1,001-5,000	898 contacts →
	Exact match “Colas Rail is one of Europe’s leading suppliers of railway infrastructure services, we are award-winning specialists having constructed all forms of railways across Europe and the…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3	Beck & Pollitzer	Exact match	London, United KingdomHQ recorded Oct 16, 2026	1,001-5,000	440 contacts →
	Exact match “Beck & Pollitzer is the world’s leading provider of complex engineering solutions, including industrial installation and relocation services.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4	VEV	Exact match	London, United KingdomHQ recorded Oct 16, 2026	51-200	93 contacts →
	Exact match “VEV helps organisations deliver on their carbon reduction ambitions with an end-to-end fleet electrification solution that integrates across vehicles, charging infrastructure and…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5	Grant Walker Engineering	Exact match	London, United KingdomHQ recorded Oct 16, 2026	51-200	87 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 · Oct 16, 2026 · View company records in RevenueBase
6	AMARO	Exact match	London, United KingdomHQ recorded Oct 16, 2026	51-200	62 contacts →
	Exact match “A Network Rail Principal Contractor and partner of choice for some of the biggest names in rail, we deliver integrated signalling, power, and telecoms solutions throughout the UK…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7	Phoenix ME	Exact match	London, United KingdomHQ recorded Oct 16, 2026	501-1,000	47 contacts →
	Exact match “We stand as a well-established industry leader, specialising in the design, installation, and commissioning of mechanical and electrical systems across diverse sectors.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	Eltrade Electrical LTD	Exact match	London, United KingdomHQ recorded Oct 16, 2026	1-10	27 contacts →
	Exact match “ELTRADE ELECTRICAL LTD is a civil engineering company” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9	Navitas Engineering LTD	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	24 contacts →
	Exact match “Navitas Engineering provides electrical engineering consultancy services to the railway and electricity supply industries.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10	LOS Electrical	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	15 contacts →
	Exact match “LOS Electrical Engineers is a specialist electrical contractor delivering high-quality electrical engineering solutions across the water and industrial sectors.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11	SI Electrical LTD	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	15 contacts →
	Exact match “SI Electrical provide complete electrical solutions and are renowned for our expertise in lighting and controls.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12	Cole Group	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	14 contacts →
	Exact match “At COLE Group, we specialize in delivering outstanding electrical solutions for both new build and refurbishment projects.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13	London Electrical Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	11 contacts →
	Exact match “London Electrical Solutions: Experienced Electricians operating across London Residential & Commercial Electricians serving Greater London London Electrical Solutions is a…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14	Concepto Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	11 contacts →
	Exact match “Concepto AV is an electrical-led technology company delivering high-quality electrical installations across residential and commercial projects in London.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15	Zeus Electrical Constructions	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	11 contacts →
	Exact match “ZEUS is engaged in studies and electrical installations.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16	Intelrail LTD	Exact match	London, United KingdomHQ recorded Oct 16, 2026	1-10	9 contacts →
	Exact match “At IntelRail we have the capability to deliver the following services: Switches and Crossings - System Reliability Switches and Crossings – Renewal Switches and Crossing’s –…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17	Rail Power Solutions	Exact match	London, United KingdomHQ recorded Oct 16, 2026	1-10	9 contacts →
	Exact match “Established in 2013, Rail Power Solutions (RPS) has grown rapidly to become a well-recognised and leading provider of electrical designs for the railway industry.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18	Sehv Services Limited	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	9 contacts →
	Exact match “LV and HV Electrical Consultancy and Engineering Services to Renewable Energy Markets and Industrial and Commercial Sectors” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19	JSJ Smart Homes	Exact match	London, United KingdomHQ recorded Oct 16, 2026	1-10	9 contacts →
	Exact match “JSJ Smart Homes was formed as a specialised contractor in the field of domestic installations, covering all aspects of electrical installs, such as home automation and data…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20	1st Inrail Limited	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	9 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21	Total Electric Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 16, 2026	11-50	7 contacts →
	Exact match “Established in 2006, Total Electric Solutions Ltd provides a complete electrical package from the design & tendering process through to the final installation & after care.” Recorded in the RevenueBase company graph · Oct 16, 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 “industrial rail electrification services”. 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 21 of 231 industrial rail electrification services based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 630 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial rail electrification services based in London, United Kingdom at a glance

As of Oct 16, 2026

16.4%Verified-email coverage

16.6Average contacts per company

1-10Median size (employees)

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

146

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 231 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 London, United Kingdom whose business descriptions match “industrial rail electrification 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 630 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 October 16, 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.

Industrial rail electrification services by metro in the United Kingdom

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 “industrial rail electrification services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial rail electrification services are there based in London, United Kingdom?

RevenueBase identified 231 company matches for industrial rail electrification services associated with London, United Kingdom as of October 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?

J Brand LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most industrial rail electrification services?

London leads the United Kingdom with 231 company records, followed by Manchester (58) and Leeds (45).

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 630 professional contacts with verified work emails tracked across these 231 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 October 16, 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.