Company lists · Data refreshed November 2026

Top 25 Field service contractors based in the United Kingdom

RevenueBase identified 256 company matches for field service contractors associated with the United Kingdom as of November 2026 and tracks 1,345 professional contacts across them, including 364 with verified work emails. London is the largest hub.

This list covers company matches for field service 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
256Companies
1,345Contacts tracked
364Verified emails
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The 25 largest field service contractors based in the United Kingdom

Ranked by team size
Top 25 of 256 company matches for field service 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 matchBristol, United KingdomHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“We are a global provider of flexible and robust Field Service solutions to Original Equipment Manufacturers (OEMs) and Plant Owners across the Energy & Utilities sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSeaham, United KingdomHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Based in the North East of England, Retroflo Ltd are an Electrical and Mechanical contractor whose main activities are focused in the water industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMarkyate, United KingdomHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Editquest Limited is an Electrical contractor based in Markyate Hertfordshire”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchFleet, United KingdomHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Logic Contract Services Ltd are a privately-owned contractor that specialises in Mechanical, Electrical, Refurbishment, Maintenance, Compliance and Fire and Security Services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLivingston, United KingdomHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“John Heaney (Electrical) Limited (JHE Ltd) is an Electrical and Mechanical Company, specialising in all types of Industrial and Commercial Installations as well as Production Line…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchGlasgow, United KingdomHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“MD Electrical Contractors specialises in providing top-tier electrical services to a diverse range of clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchGlasgow, United KingdomHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“A specialist electrical fit-out and maintenance company, BGL Contracts have a wealth of experience and knowledge with a reputation for excellence when it comes to dealing with a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMaidstone, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Volmech Electrical is a building services contractor providing a complete range of commercial electrical services across a wide range of industries in London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWigan, United KingdomHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Armstrong Nield supply both Mechanical & Electrical Installation Teams as well as offering Maintenance and Servicing Packages and Breakdown Cover We currently have engineers on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEastleigh, United KingdomHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Faradays Ltd have been successfully operating for over 40 years, working closely with industry leading clients in the Petroleum, Commercial and Industrial sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSidcup, United KingdomHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Formed over 50 years ago, D&M Contractors Ltd began as a small family run business refurbishing working mens clubs across the South East.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHavant, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“A Building, Mechanical & Electrical contractor inovolt was founded on experience, shaped by relationships, and grown through trust.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchClydebank, United KingdomHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“West Dunbartonshire Best Performing Medium Business Award Winner 2023.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMilton, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Total Electrical Contractors Ltd is a leading commercial electrical contractor based in Oxfordshire and serving the South East.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Established in 1921, RJS has built a strong reputation in the commercial and industrial sectors, providing mechanical, electrical, fire alarm and security system design and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPortlethen, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Clearwater Electrical Ltd is an Aberdeen-based company consisting of a team of Electrical Engineers with a wealth of experience in Electrical Contracting and Offshore Oil & Gas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLeicester, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Lowe Electrical has been providing advanced electrical services and installations throughout the Midlands and further afield for over 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchYalding, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Since 2014, ODH Building Services Ltd have grown into a complete turnkey Mechanical & Electrical service, designing and installing the full range of Building Services within all…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWinnersh, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Your HVAC, Gas and Mechanical all under one roof.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSwindon, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“AFFLECK ELECTRICAL LIMITED is a long established, regional, market leading electrical contractor based in Swindon who operates nationally for a variety of different clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWare, United KingdomHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“And we offer a verity of services to suit you requirements including, service calls and repair, emergency call out and planned preventative maintenance programs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBirmingham, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“JDP is committed to providing the best on-site and off-site services for fire, securtiy and electrical systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-2009 contacts →

Exact match

“A&R Services (ESW) Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBristol, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Orb Mechanical & Electrical has over 30 years experience providing M&E contracting services to both residential and commercial businesses and have built a reputation of being a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMaidenhead, United KingdomHQ recorded Nov 6, 202611-509 contacts →

Exact match

“SOVEREIGN ELECTRICAL SERVICES LIMITED is a Electrical Contractors Company”

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

Showing 25 of 256 field service contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 364 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Field service contractors based in the United Kingdom at a glance

As of Nov 6, 2026
27.1%Verified-email coverage
5.3Average contacts per company
1-10Median size (employees)
6.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
131
11-50
101
51-200
12
201-500
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 256 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 “field service 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 364 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 “field service contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many field service contractors are there based in the United Kingdom?

RevenueBase identified 256 company matches for field service 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?

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

Which city has the most field service contractors?

London leads with 17 company records, followed by Manchester (6) and Birmingham (5).

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 364 professional contacts with verified work emails tracked across these 256 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 256 field service contractors based in the United Kingdom. Start with a free account, no credit card.

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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.