Company lists · Data refreshed November 2026

Top 25 Electrical grid connection specialists based in the United Kingdom

RevenueBase identified 1,391 company matches for electrical grid connection specialists associated with the United Kingdom as of November 2026 and tracks 10,764 professional contacts across them, including 3,666 with verified work emails. London is the largest hub.

This list covers company matches for electrical grid connection specialists 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
1,391Companies
10,764Contacts tracked
3,666Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest electrical grid connection specialists based in the United Kingdom

Ranked by team size
Top 25 of 1,391 company matches for electrical grid connection specialists 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 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
2Exact matchGloucester, United KingdomHQ recorded Nov 6, 2026501-1,000360 contacts →

Exact match

“With over 850 staff, we are one of the UK’s leading electrical contractors and solar PV installers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact 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
6Exact matchBolton, United KingdomHQ recorded Nov 6, 2026201-500152 contacts →

Exact match

“Aptus Utilities is a leading multi-utility connections provider delivering electric, water, gas, EV Charging and street lighting design and installation services throughout the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchNewry, United KingdomHQ recorded Nov 6, 202651-200115 contacts →

Exact match

“ASEE Group is a leader in mechanical and electrical engineering, specialising in generator integration and full-service installations for 45+ years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchSwindon, United KingdomHQ recorded Nov 6, 202651-200109 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGlasgow East Investment Park, United KingdomHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“Envevo Ltd are an Independent Connections Provider offering an alternative to the UK DNO market & EV Specialist offering a full turnkey solution for any EV Charging Project…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBury St Edmunds, United KingdomHQ recorded Nov 6, 202611-5080 contacts →

Exact match

“Dunamis is a leading Independent Connection Provider (ICP) with a rich history in delivering High Voltage (HV) connections, nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBraintree, United KingdomHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“Securing your power needs to deliver your electrification plans with certainty.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBrentwood, United KingdomHQ recorded Nov 6, 2026201-50061 contacts →

Exact match

“Wiggett Electrical has gone from strength to strength.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSittingbourne, United KingdomHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Avidety specialise in the construction and maintenance of overhead and underground electricity networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSidcup, United KingdomHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCrewe, United KingdomHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Enrgy provide utility scale power infrastructure services up to 33KV for private generation customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWeybridge, United KingdomHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Since 1998, Powercor have specialised in every aspect of electrical engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBanstead, United KingdomHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Our aim is to be the first choice for electrical and engineering installations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWatford, United KingdomHQ recorded Nov 6, 202611-5052 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 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“Aurora is an Independent Distribution Network Operator (IDNO) regulated by Ofgem.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchScunthorpe, United KingdomHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“As a National Electricity Registration Scheme (NERS) accredited Independent Connections Provider (ICP), we use an efficient and cost effective approach to connect you to the grid…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDartford, United KingdomHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Commercial Properties Commercial projects benefit from the time we invest in team training to deliver excellent industry standards throughout.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMotherwell, United KingdomHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Jordan Electrics Limited is a family owned medium sized business with extensive experience in Domestic, Commercial, Industrial and Retail fields since 1975, and is presently under…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPerivale, United KingdomHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Durkin and Sons have for 40 years been a go-to partner for National Grid, and DNO organisations, who continue to entrust the delivery of large HV & EHV cabling projects to us.”

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

Showing 25 of 1,391 electrical grid connection specialists based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 3,666 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Electrical grid connection specialists based in the United Kingdom at a glance

As of Nov 6, 2026
34.1%Verified-email coverage
7.7Average contacts per company
1-10Median size (employees)
4.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
788
11-50
448
51-200
76
201-500
7
501-1,000
5
1,001-5,000
1
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 1,391 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 “electrical grid connection specialists” 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 3,666 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 “electrical grid connection specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical grid connection specialists are there based in the United Kingdom?

RevenueBase identified 1,391 company matches for electrical grid connection specialists 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?

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

Which city has the most electrical grid connection specialists?

London leads with 68 company records, followed by Manchester (31) and Leeds (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 3,666 professional contacts with verified work emails tracked across these 1,391 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.

Ready to reach these companies? Verified emails and direct dials for all 1,391 electrical grid connection specialists based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.