Company lists · Data refreshed November 2026

Top 25 Office building contractors based in the United Kingdom

RevenueBase identified 7,239 company matches for office building contractors associated with the United Kingdom as of November 2026 and tracks 61,258 professional contacts across them, including 20,170 with verified work emails. London is the largest hub.

This list covers company matches for office building 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
7,239Companies
61,258Contacts tracked
20,170Verified emails
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The 25 largest office building contractors based in the United Kingdom

Ranked by team size
Top 25 of 7,239 company matches for office building 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 matchLetchworth Garden City, United KingdomHQ recorded Nov 6, 20261,001-5,0002,293 contacts →

Exact match

“Willmott Dixon is a privately-owned construction and interior fit-out specialist with the ambition to create a huge and lasting positive, impact on our society.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,637 contacts →

Exact match

“Who we are: At ISG, our vision is to be the world’s most dynamic construction services company, delivering places that help people and businesses thrive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNorthampton, United KingdomHQ recorded Nov 6, 2026201-500705 contacts →

Exact match

“Formed in 2001, Winvic Construction Ltd is a leading main contractor that specialises in the design, build and fit-out of industrial, multi-room and commercial projects, and the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchStirling, United KingdomHQ recorded Nov 6, 2026501-1,000629 contacts →

Exact match

“The FES Group is one of the largest independent technical services companies in the UK over 60 years of experience providing building services solutions to a wide range of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNewtownabbey, United KingdomHQ recorded Nov 6, 2026501-1,000591 contacts →

Exact match

“We work with our clients to shape the built environment in a sustainable and considerate way.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWatford, United KingdomHQ recorded Nov 6, 2026501-1,000588 contacts →

Exact match

“VINCI Building delivers complex projects and programmes focussing on technical excellence and experience to sustainably deliver best value for our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWaltham Cross, United KingdomHQ recorded Nov 6, 2026n/a501 contacts →

Exact match

“Design & Build Construction Company”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500495 contacts →

Exact match

“We are a privately-owned, family operated main contractor established in 1974.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchStoke On Trent, United KingdomHQ recorded Nov 6, 2026501-1,000490 contacts →

Exact match

“Novus Property Solutions is a leading specialist in property maintenance, refurbishment, retrofit and compliance services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPreston, United KingdomHQ recorded Nov 6, 20261,001-5,000371 contacts →

Exact match

“The Eric Wright Group of companies is an award-winning leader in the property and construction industry, with people, community and social value at our heart.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRugby, United KingdomHQ recorded Nov 6, 2026201-500359 contacts →

Exact match

“Stepnell is a trusted construction partner with more than 159 years of experience, delivering high-quality, sustainable solutions across England.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNorthampton, United KingdomHQ recorded Nov 6, 2026501-1,000352 contacts →

Exact match

“The Briggs & Forrester Group is an award winning building services specialist and is one of the industry’s largest independent contractors with an annual turnover in excess of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSwindon, United KingdomHQ recorded Nov 6, 2026201-500340 contacts →

Exact match

“We are an award-winning, family-owned construction, development & property services company operating in central southern England.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLeeds, United KingdomHQ recorded Nov 6, 2026201-500323 contacts →

Exact match

“GMI Construction is a delivery-focused main contractor, bringing certainty to complex projects across the North and Midlands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHove, United KingdomHQ recorded Nov 6, 2026201-500267 contacts →

Exact match

“The Shore Group build, maintain and resource exceptional projects and services for our clients every day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPark Royal, United KingdomHQ recorded Nov 6, 2026201-500247 contacts →

Exact match

“Fit Out UK are a leading interior fit out, logistics and relocation contractor specialising in the Retail, Banking, Leisure, Commercial and Residential sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchStevenage, United KingdomHQ recorded Nov 6, 2026201-500241 contacts →

Exact match

“JCA is a multi-faceted engineering services and construction business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHarrow, United KingdomHQ recorded Nov 6, 2026501-1,000233 contacts →

Exact match

“For over 30 years, Toureen Group has been solving complex construction problems for a diverse range of clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLiverpool, United KingdomHQ recorded Nov 6, 2026501-1,000228 contacts →

Exact match

“Established in 2011, HMS is an award-winning building and maintenance contractor based in the North West of England.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMalpas, United KingdomHQ recorded Nov 6, 2026501-1,000220 contacts →

Exact match

“Welcome to Barlows (UK) Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPaisley, United KingdomHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“Founded in 1978, Clark Contracts Ltd is a privately owned main contractor with several operating divisions; Construction, Fit Out, Refurbishment, Housing and Maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSandling, United KingdomHQ recorded Nov 6, 2026201-500194 contacts →

Exact match

“BJF Group is a diverse building solutions company comprised of six complementary divisions; Facilities Management, Construction, Mechanical & Electrical, Project Services, MEP…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCrondall, United KingdomHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“Trading for over 50 years, Natta as a Principal Contractor specialises in civil engineering projects comprising section 278 and 38 infrastructure roads, sewers and services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200162 contacts →

Exact match

“Established in 1985, Group Metropolitan has grown to become a respected turnkey services contractor covering most aspects of the construction industry, from M&E to fit out…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“We turn visions into reality.”

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

Showing 25 of 7,239 office building contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 20,170 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Office building contractors based in the United Kingdom at a glance

As of Nov 6, 2026
32.9%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
17.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,631
11-50
2,472
51-200
587
201-500
80
501-1,000
23
1,001-5,000
10
10001+
7

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 7,239 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 “office building 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 20,170 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 “office building contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many office building contractors are there based in the United Kingdom?

RevenueBase identified 7,239 company matches for office building 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?

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

Which city has the most office building contractors?

London leads with 1286 company records, followed by Manchester (116) and Birmingham (79).

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 20,170 professional contacts with verified work emails tracked across these 7,239 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 7,239 office building 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.