Company lists · Data refreshed November 2026

Top 20 Office building developers based in London, United Kingdom

RevenueBase identified 663 company matches for office building developers associated with London, United Kingdom as of November 2026 and tracks 14,350 professional contacts across them, including 6,035 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for office building developers associated with London, 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
663Companies
14,350Contacts tracked
6,035Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 20 largest office building developers based in London, United Kingdom

Ranked by team size
Top 20 of 663 company matches for office building developers based in London, 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 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
2Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,0001,155 contacts →

Exact match

“We're Workman – the UK's largest independent property management and building consultancy specialist.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,055 contacts →

Exact match

“Lambert Smith Hampton (LSH) is one of the UK and Ireland's leading, and most progressive, property consultancies with 28 offices and 1,200 staff.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000990 contacts →

Exact match

“Landsec is built on places that stand the test of time.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000644 contacts →

Exact match

“British Land is a property company which creates, owns and manages some of the UK’s best and most sustainable real estate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000572 contacts →

Exact match

“Ballymore is an independently-minded property developer with a multi award-winning portfolio of some of Europe’s largest urban development projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500269 contacts →

Exact match

“TFT is an independent commercial building consultancy which places the performance of buildings and the wellbeing of people at the heart of its work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200215 contacts →

Exact match

“GPE is a FTSE 250 property investment and development company owning around £2.5 billion of office, retail and residential space in central London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

“Established in 1992, Quintain brings property and places to life through investment and development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Urban & Civic is a master developer that crafts strategic sites and commercial developments which provide a tangible financial dividend for our investors and a social dividend for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500107 contacts →

Exact match

“Broadgate Estates is a leading property consultancy and management company in the UK, with a reputation for service excellence, placemaking and delivering management services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,00086 contacts →

Exact match

“With over £1.75bn under construction in London and a considerable pipeline in planning, O'Shea are one of the largest privately owned property development companies in London and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“NewFlex delivers and manages a range of branded solutions for every type of building, in every type of location, for every type of occupier.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Kitt manages workspaces for companies that want an office worth leaving home for.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5066 contacts →

Exact match

“Long Harbour is a modern real estate investment management firm and a leader in the operational real estate sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5062 contacts →

Exact match

“M3 Consulting is a specialist development management and project management business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Whitepaper is a multidisciplinary property company focusing on design and build opportunities across London and the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5054 contacts →

Exact match

“Estate Office is a leading player in the investment and development market for residential and commercial property.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Real Estate Management (UK) Limited (REM) provides property development and asset management services to real estate investors in London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Lazari Investments Limited is one of three UK business groups owned directly or beneficially by the Lazari family.”

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

Showing 20 of 663 office building developers based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 6,035 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Office building developers based in London, United Kingdom at a glance

As of Nov 6, 2026
42.1%Verified-email coverage
21.6Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
410
11-50
180
51-200
33
201-500
9
501-1,000
9
1,001-5,000
5
10001+
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 663 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 London, United Kingdom whose business descriptions match “office building developers” 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 6,035 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 developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many office building developers are there based in London, United Kingdom?

RevenueBase identified 663 company matches for office building developers associated with London, 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?

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

Which city in the United Kingdom has the most office building developers?

London leads the United Kingdom with 663 company records, followed by Manchester (65) and Birmingham (51).

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 6,035 professional contacts with verified work emails tracked across these 663 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.

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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.