Company lists · Data refreshed November 2026

Top 25 Office build out services based in the United Kingdom

RevenueBase identified 2,308 company matches for office build out services associated with the United Kingdom as of November 2026 and tracks 26,313 professional contacts across them, including 10,283 with verified work emails. London is the largest hub.

This list covers company matches for office build out 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 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
2,308Companies
26,313Contacts tracked
10,283Verified emails
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The 25 largest office build out services based in the United Kingdom

Ranked by team size
Top 25 of 2,308 company matches for office build out services 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 matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,0001,275 contacts →

Exact match

“We’re Overbury – Passionate people, exceptional projects, precisely as promised.”

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 matchSandiacre, United KingdomHQ recorded Nov 6, 2026n/a381 contacts →

Exact match

“Advanced Commercial Interiors is a UK commercial interiors specialist delivering complete office fit out, refurbishment and workspace transformation projects for businesses across…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500303 contacts →

Exact match

“We’re BW, Workplace Experts, and we believe work spaces matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200288 contacts →

Exact match

“We shape places that connect people and inspire every day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200243 contacts →

Exact match

“Maris Interiors LLP - We create award winning interior spaces and are the UK's leading specialist in both workplace and education space design and build.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500222 contacts →

Exact match

“We design and fit out inspiring office and life science interiors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200198 contacts →

Exact match

“Thirdway partners with occupiers, owners, and professional teams to create world-class spaces.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“Peldon Rose is London’s leading office design and build expert.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202651-200163 contacts →

Exact match

“SPACE are experts in the workplace, and for more than 29 years, have been helping organisations transform their working environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBirchwood, United KingdomHQ recorded Nov 6, 202651-200158 contacts →

Exact match

“Claremont is the UK's leading Workplace Design & Build Agency with services including… - Workplace Consultancy - Office Interior Design - CAT A&B Fit-out - Workplace Furniture -…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchMusselburgh, United KingdomHQ recorded Nov 6, 202651-200136 contacts →

Exact match

“SJS is a professional and well established fit-out and refurbishment contractor based in Musselburgh, with a reputation for affordable quality and exceptional service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMansfield, United KingdomHQ recorded Nov 6, 2026201-500134 contacts →

Exact match

“In 2019, Deanestor acquired Havelock International Ltd out of administration – one of the UK’s best-known furniture and fit-out brands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSale, United KingdomHQ recorded Nov 6, 2026201-500127 contacts →

Exact match

“Built environment programme management and delivery specialists.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200107 contacts →

Exact match

“Ellmer Construction specialise in high quality fit out, refurbishment and new developments across London and the Home Counties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“ODGroup is a main contractor that brings projects to life with integrated, high-quality design, project management and construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Among the top 20 leisure, retail, office & commercial fit-out contractors in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“We are Workplace Creations, an award-winning workplace design and build company creating exceptional offices across London and the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchGloucester, United KingdomHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“Barnwood Limited is an Employee-Owned business based in Gloucester.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchStockport, United KingdomHQ recorded Nov 6, 202611-5098 contacts →

Exact match

“TMT deliver high quality workplaces across a broad range of Clients.”

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

Showing 25 of 2,308 office build out services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 10,283 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Office build out services based in the United Kingdom at a glance

As of Nov 6, 2026
39.1%Verified-email coverage
11.4Average contacts per company
1-10Median size (employees)
23.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,199
11-50
857
51-200
148
201-500
23
501-1,000
4
1,001-5,000
3
10001+
3

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 2,308 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 build out 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 10,283 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 build out services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many office build out services are there based in the United Kingdom?

RevenueBase identified 2,308 company matches for office build out services 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 build out services?

London leads with 551 company records, followed by Manchester (61) and Birmingham (35).

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 10,283 professional contacts with verified work emails tracked across these 2,308 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 2,308 office build out services 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.