Company lists · Data refreshed November 2026

Top 25 Grid infrastructure upgrade contractors based in the United Kingdom

RevenueBase identified 781 company matches for grid infrastructure upgrade contractors associated with the United Kingdom as of November 2026 and tracks 20,152 professional contacts across them, including 8,142 with verified work emails. London is the largest hub.

This list covers company matches for grid infrastructure upgrade contractors 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
781Companies
20,152Contacts tracked
8,142Verified emails
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The 25 largest grid infrastructure upgrade contractors based in the United Kingdom

Ranked by team size
Top 25 of 781 company matches for grid infrastructure upgrade contractors 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 matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0003,366 contacts →

Exact match

“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchStockport, United KingdomHQ recorded Nov 6, 20261,001-5,0001,773 contacts →

Exact match

“OCU provides end-to-end infrastructure engineering in the utilities, digital, and energy markets, specialising in safely and efficiently delivering complex client requirements.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBarnsley, United KingdomHQ recorded Nov 6, 20261,001-5,000871 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000760 contacts →

Exact match

“Aureos is a multi-disciplinary energy, transport networks specialist and engineering services provider, spanning the design, engineering, installation, maintenance, and crisis…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLeeds, United KingdomHQ recorded Nov 6, 20261,001-5,000740 contacts →

Exact match

“Freedom is a leading provider of facilities and power engineering services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBelfast, United KingdomHQ recorded Nov 6, 2026501-1,000400 contacts →

Exact match

“Omexom in the United Kingdom and Republic of Ireland is the VINCI Energies brand dedicated to the Generation, Transmission, and Distribution of electricity as well as the design…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCoatbridge, United KingdomHQ recorded Nov 6, 2026501-1,000337 contacts →

Exact match

“SPL Powerlines UK & I is a leading multi-disciplinary infrastructure specialist, offering end-to-end delivery across both rail and energy sectors with capabilities that set us…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLoughborough, United KingdomHQ recorded Nov 6, 2026501-1,000229 contacts →

Exact match

“We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUxbridge, United KingdomHQ recorded Nov 6, 2026201-500216 contacts →

Exact match

“Pod-Trak is a privately owned, multi-disciplinary infrastructure contractor operating across the UK, Ireland, and Europe since 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGlasgow, United KingdomHQ recorded Nov 6, 2026201-500204 contacts →

Exact match

“IQA lead the way in designing, building, maintaining, and upgrading electrical utility networks, telecommunication networks, EVCP and electrical infrastructure for both the public…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRochdale, United KingdomHQ recorded Nov 6, 2026501-1,000198 contacts →

Exact match

“P.N.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchStonehouse, United KingdomHQ recorded Nov 6, 2026501-1,000172 contacts →

Exact match

“UKPS now operating as Last Mile across Great Britain We’re excited to announce that from 16th March 2026, UKPS is formally adopting the Last Mile name.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBrierley Hill, United KingdomHQ recorded Nov 6, 2026201-500139 contacts →

Exact match

“S&R Construction was founded in 1998 with a view to providing affordable, sustainable gas, water and electric mains and utility installation services for a broad range of clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Powered by People.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchTipton, United KingdomHQ recorded Nov 6, 2026201-500127 contacts →

Exact match

“Doocey Group Utility Infrastructure Contractor operating nationally in the construction Industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact 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
18Exact matchBlackpool, United KingdomHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Ameon Limited is a construction company based out of 9-11 OLYMPIC COURT BOARDMANS WAY, BLACKPOOL, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChorley, United KingdomHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Advantage NRG is a specialist, labour only, sub-contractor using its own skilled labour force to build and maintain electrical transmission systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,00083 contacts →

Exact match

“SQS is a leading utility solutions provider serving the energy, gas, water, local authority and commercial sectors in London and the South East from our head office in North…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHemel Hempstead, United KingdomHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“Glenelly Infrastructure Solutions Ltd (a United Infrastructure Group company) specialises in providing turnkey services in Power Distribution, Smart Metering, Fault Finding, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchKettering, United KingdomHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Infrastructure Gateway Ltd have been working with developers providing them with the expertise to deliver the utilities on construction projects for over 20 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchOmagh, United KingdomHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“The Adman group of companies is a leading provider of civil engineering and construction services with a proven track record of service delivery for both public and private sector…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5069 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchClayton West, United KingdomHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“AUS is a specialist supplier to the electricity distribution and transmission, rail, utility arboricultural, and telecommunications industries.”

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

Showing 25 of 781 grid infrastructure upgrade contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 8,142 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid infrastructure upgrade contractors based in the United Kingdom at a glance

As of Nov 6, 2026
40.4%Verified-email coverage
25.8Average contacts per company
11-50Median size (employees)
6.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
308
11-50
288
51-200
105
201-500
25
501-1,000
11
1,001-5,000
6
5,001-10,000
1
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 781 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 “grid infrastructure upgrade contractors” 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 8,142 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 “grid infrastructure upgrade contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid infrastructure upgrade contractors are there based in the United Kingdom?

RevenueBase identified 781 company matches for grid infrastructure upgrade contractors 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?

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

Which city has the most grid infrastructure upgrade contractors?

London leads with 54 company records, followed by Manchester (27) and Glasgow (12).

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 8,142 professional contacts with verified work emails tracked across these 781 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.