Company lists · Data refreshed October 2026

Top 25 Onshore high voltage engineering procurement and construction services based in the United Kingdom

RevenueBase identified 914 company matches for onshore high voltage engineering procurement and construction services associated with the United Kingdom as of October 2026 and tracks 18,923 professional contacts across them, including 5,532 with verified work emails. London is the largest hub.

This list covers company matches for onshore high voltage engineering procurement and construction 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 October 28, 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 28, 2026 How this list was built
914Companies
18,923Contacts tracked
5,532Verified emails
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The 25 largest onshore high voltage engineering procurement and construction services based in the United Kingdom

Ranked by team size
Top 25 of 914 company matches for onshore high voltage engineering procurement and construction services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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 matchWarrington, United KingdomHQ recorded Oct 28, 20261,001-5,0002,157 contacts →

Exact match

“With a strong commitment to sustainability, Bilfinger UK stands out as a premier provider of engineering and maintenance services.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2Exact matchWembley, United KingdomHQ recorded Oct 28, 20261,001-5,0001,111 contacts →

Exact match

“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 28, 20261,001-5,0001,056 contacts →

Exact match

“Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4Exact matchLeeds, United KingdomHQ recorded Oct 28, 20261,001-5,000728 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 28, 20261,001-5,000704 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 · Oct 28, 2026 · View company records in RevenueBase
6Exact matchAberdeen, United KingdomHQ recorded Oct 28, 2026501-1,000592 contacts →

Exact match

“PD & MS Group has full multi-discipline in-house EPCC capability and is recognised as a provider of safe, effective, and cost efficient design and engineering services to onshore…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7Exact matchAberdeen, United KingdomHQ recorded Oct 28, 2026501-1,000405 contacts →

Exact match

“A new breed of engineering, procurement and construction (EPC) provider that is turning next-gen energy into operational reality, through innovative solutions, partnerships and…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchCoatbridge, United KingdomHQ recorded Oct 28, 2026501-1,000315 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 · Oct 28, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 28, 2026501-1,000276 contacts →

Exact match

“INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10Exact matchAberdeen, United KingdomHQ recorded Oct 28, 2026201-500234 contacts →

Exact match

“SKN specialise in providing competent technical personnel to carry out engineering solutions from concept to completion in the design, supply, installation, commissioning…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11Exact matchThornaby-on-tees, United KingdomHQ recorded Oct 28, 2026201-500186 contacts →

Exact match

“Eastgate Engineering is an Electrical and Instrumentation contractor that delivers complex, high-risk infrastructure projects with cost certainty, without compromising safety or…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchLoughborough, United KingdomHQ recorded Oct 28, 2026501-1,000178 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 · Oct 28, 2026 · View company records in RevenueBase
13Exact matchLowestoft, United KingdomHQ recorded Oct 28, 2026n/a159 contacts →

Exact match

“Seatrium Offshore Renewable Services Ltd (Seatrium ORS) has over 55 years of unparalleled expertise and experience in the offshore energy industry.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14Exact matchRochdale, United KingdomHQ recorded Oct 28, 2026501-1,000147 contacts →

Exact match

“P.N.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15Exact matchSwavesey, United KingdomHQ recorded Oct 28, 2026201-500144 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16Exact matchBristol, United KingdomHQ recorded Oct 28, 202651-200127 contacts →

Exact match

“Powered by People.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17Exact matchWakefield, United KingdomHQ recorded Oct 28, 202651-200126 contacts →

Exact match

“Integrated Utility Services (IUS) aims to be the UK's leading provider of power infrastructure for the public and private sectors.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 28, 2026201-500113 contacts →

Exact match

“SUNEL GROUP is a globally recognized EPC Contractor and Developer for Solar projects.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19Exact matchStokesley, United KingdomHQ recorded Oct 28, 202651-200111 contacts →

Exact match

“We furnish all-round solutions, including engineering, procurement, and construction in the full value chain of offshore wind and adjacent marine construction activities.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20Exact matchBrinkworth, United KingdomHQ recorded Oct 28, 202651-200106 contacts →

Exact match

“BELECTRIC UK is part of BELECTRIC, one of Europe's leading EPC service providers in the development, construction, and operation of solar power plants.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21Exact matchSwindon, United KingdomHQ recorded Oct 28, 202651-200105 contacts →

Exact match

“Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22Exact matchBromsgrove, United KingdomHQ recorded Oct 28, 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 · Oct 28, 2026 · View company records in RevenueBase
23Exact matchNorth Shields, United KingdomHQ recorded Oct 28, 202651-20091 contacts →

Exact match

“We are a High Voltage Renewable Energy Engineering Company working on and offshore across the world.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24Exact matchNewtownabbey, United KingdomHQ recorded Oct 28, 2026201-50088 contacts →

Exact match

“Copius Group is a premier provider of construction and engineering services, delivering comprehensive solutions for offshore and onshore projects across the globe.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25Exact matchPaisley, United KingdomHQ recorded Oct 28, 202651-20087 contacts →

Exact match

“As a leading contractor within the construction and engineering industry, and now a proud subsidiary of Suir Engineering, we deliver projects across a range of markets to our…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

Showing 25 of 914 onshore high voltage engineering procurement and construction services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,532 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Onshore high voltage engineering procurement and construction services based in the United Kingdom at a glance

As of Oct 28, 2026
29.2%Verified-email coverage
20.7Average contacts per company
11-50Median size (employees)
8.9%Largest-city concentration · London
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
420
11-50
321
51-200
125
201-500
21
501-1,000
9
1,001-5,000
7
10001+
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 914 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 “onshore high voltage engineering procurement and construction 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 5,532 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 28, 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 “onshore high voltage engineering procurement and construction services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many onshore high voltage engineering procurement and construction services are there based in the United Kingdom?

RevenueBase identified 914 company matches for onshore high voltage engineering procurement and construction services associated with the 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?

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

Which city has the most onshore high voltage engineering procurement and construction services?

London leads with 81 company records, followed by Manchester (25) and Aberdeen (17).

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 5,532 professional contacts with verified work emails tracked across these 914 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 28, 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.