Company lists · Data refreshed September 2026

Top 25 Preconstruction services companies based in the United Kingdom

Name: Preconstruction services companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 2,121 companies tracked

RevenueBase identified 2,121 preconstruction services companies headquartered in the United Kingdom as of September 2026 and tracks 12,451 professional contacts across them, including 3,868 with verified work emails. London is the largest hub.

This list covers preconstruction services companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

2,121Companies

12,451Contacts tracked

3,868Verified emails

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The 25 largest preconstruction services companies based in the United Kingdom

Ranked by team size

Top 25 of 2,121 preconstruction services companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to preconstruction services companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	WT UK & Europe	Indirect evidence	Croydon, United KingdomHQ checked Sep 17, 2026	1,001-5,000	297 contacts →
	Indirect evidence “WT Partnership (WT) is an award-winning, international construction cost and project management consultancy which, from our initial base in quantity surveying, has evolved into a…” Source: RevenueBase Database · checked Sep 17, 2026
2	GMI Construction Group PLC	Indirect evidence	Leeds, United KingdomHQ checked Sep 17, 2026	201-500	285 contacts →
	Indirect evidence “GMI Construction is a delivery-focused UK main contractor, helping clients bring complex projects to site with certainty and confidence.” Source: RevenueBase Database · checked Sep 17, 2026
3	Alandale Group Of Companies	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	201-500	244 contacts →
	Indirect evidence “Alandale Group of Companies and was formed in 1996 to provide ‘Logistical Services’ to the construction industry.” Source: RevenueBase Database · checked Sep 17, 2026
4	Toureen Group	Indirect evidence	Harrow, United KingdomHQ checked Sep 17, 2026	501-1,000	213 contacts →
	Indirect evidence “For over 30 years, Toureen Group has been solving complex construction problems for a diverse range of clients.” Source: RevenueBase Database · checked Sep 17, 2026
5	John F Hunt Group	Indirect evidence	Grays, United KingdomHQ checked Sep 17, 2026	501-1,000	181 contacts →
	Indirect evidence “John F Hunt is a diverse group of 21 companies & divisions operating across the UK.” Source: RevenueBase Database · checked Sep 17, 2026
6	Glenigan Powered By Hubexo	Indirect evidence	Bournemouth, United KingdomHQ checked Sep 17, 2026	51-200	139 contacts →
	Indirect evidence “Glenigan is the trusted provider of construction project sales leads, industry data, analysis, forecasting and company intelligence.” Source: RevenueBase Database · checked Sep 17, 2026
7	Leiths Scotland LTD	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	501-1,000	136 contacts →
	Indirect evidence “With almost 5 decades of experience providing a multitude of construction services and materials, Leiths continues to be built on quality.” Source: RevenueBase Database · checked Sep 17, 2026
8	Mitie Projects	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	10001+	135 contacts →
	Indirect evidence “Mitie is committed to delivering an integrated approach to projects in both the public and private sector.” Source: RevenueBase Database · checked Sep 17, 2026
9	Lysander	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	121 contacts →
	Indirect evidence “Lysander is a leading multi-disciplinary construction consultancy working with an extensive list of clients across the industrial, commercial, residential, records management and…” Source: RevenueBase Database · checked Sep 17, 2026
10	Ashe Group	Indirect evidence	Hitchin, United KingdomHQ checked Sep 17, 2026	51-200	113 contacts →
	Indirect evidence “Ashe Construction is part of the Ashe Group and is a regional construction company operating from our head office in Hertfordshire.” Source: RevenueBase Database · checked Sep 17, 2026
11	ANDEC	Indirect evidence	Newport Pagnell, United KingdomHQ checked Sep 17, 2026	501-1,000	108 contacts →
	Indirect evidence “ANDEC SOLUTIONS LIMITED is a Construction company located in St.” Source: RevenueBase Database · checked Sep 17, 2026
12	Odgroup	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	100 contacts →
	Indirect evidence “ODGroup is a main contractor that brings projects to life with integrated, high-quality design, project management and construction.” Source: RevenueBase Database · checked Sep 17, 2026
13	Magrock	Indirect evidence	West Malling, United KingdomHQ checked Sep 17, 2026	51-200	99 contacts →
	Indirect evidence “Established in 2016, Magrock has rapidly grown into one of the Uk’s most trusted contractors, a reputation earned by doing things differently.” Source: RevenueBase Database · checked Sep 17, 2026
14	Castle	Indirect evidence	Hebburn, United KingdomHQ checked Sep 17, 2026	201-500	97 contacts →
	Indirect evidence “Castle offer design services, Principal Contracting, MEP Subcontracting, new builds, fit-outs and refurbs.” Source: RevenueBase Database · checked Sep 17, 2026
15	Gleave Partnership	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	91 contacts →
	Indirect evidence “Gleave Partnership Limited, established in 1968, delivers exceptional Quantity Surveying, Project Management, Health and Safety, and Construction Consultancy services.” Source: RevenueBase Database · checked Sep 17, 2026
16	Uplands Construction LTD	Indirect evidence	Emersons Green, United KingdomHQ checked Sep 17, 2026	51-200	84 contacts →
	Indirect evidence “We offer a unique, flexible and integrated service which appeals to a large range of clients and projects, whatever their scale, complexity or industry sector.” Source: RevenueBase Database · checked Sep 17, 2026
17	Central Alliance	Indirect evidence	Wakefield 41 Business Park, United KingdomHQ checked Sep 17, 2026	51-200	79 contacts →
	Indirect evidence “Central Alliance helps organisations to realise the power of integrated pre-construction services.” Source: RevenueBase Database · checked Sep 17, 2026
18	END Systems	Indirect evidence	Newton-le-willows, United KingdomHQ checked Sep 17, 2026	51-200	75 contacts →
	Indirect evidence “End Systems Limited are a highly respected national service provider to the construction industry and have offered specialist solutions to the building services sector since 1976.” Source: RevenueBase Database · checked Sep 17, 2026
19	ANT Yapi UK Limited	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	74 contacts →
	Indirect evidence “ANT YAPI (UK) LIMITED is a construction company based out of 1 Knightsbridge Green, 5th-floor office 5.48, SW1X 7QA, LONDON, United Kingdom.” Source: RevenueBase Database · checked Sep 17, 2026
20	Howard Civil Engineering	Indirect evidence	Leeds, United KingdomHQ checked Sep 17, 2026	51-200	73 contacts →
	Indirect evidence “Howard Civil Engineering is one of the North’s leading multi-disciplined civil engineering companies.” Source: RevenueBase Database · checked Sep 17, 2026
21	REX Procter And Partners	Indirect evidence	Leeds, United KingdomHQ checked Sep 17, 2026	51-200	71 contacts →
	Indirect evidence “With an enviable reputation for delivery of successful projects throughout the UK, the team at RPP are committed to being one of the leading construction consultancies in our…” Source: RevenueBase Database · checked Sep 17, 2026
22	SEP Rail Services	Indirect evidence	Middlesbrough, United KingdomHQ checked Sep 17, 2026	51-200	65 contacts →
	Indirect evidence “A unique pre-construction services company, we work with contractors, consultants, construction firms and more, measuring, modelling and engineering the nation’s railways.” Source: RevenueBase Database · checked Sep 17, 2026
23	Carney Construction	Indirect evidence	Reading, United KingdomHQ checked Sep 17, 2026	51-200	64 contacts →
	Indirect evidence “Civil Engineering Contractor” Source: RevenueBase Database · checked Sep 17, 2026
24	Expedite	Indirect evidence	Cardiff, United KingdomHQ checked Sep 17, 2026	51-200	63 contacts →
	Indirect evidence “By providing a comprehensive range of advisory, design, cost consultancy, project management, civil and structural engineering services, we enable you to get your construction…” Source: RevenueBase Database · checked Sep 17, 2026
25	Biker Group	Indirect evidence	Leyburn, United KingdomHQ checked Sep 17, 2026	51-200	60 contacts →
	Indirect evidence “Based in North Yorkshire and Teesside, Biker Group is a privately owned multi-faceted company providing a diverse array of services to the construction industry.” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: preconstruction services companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names preconstruction services companies.
Partial evidence: Its own public description names part of preconstruction services companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name preconstruction services companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 2,121 preconstruction services companies based in the United Kingdom

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Preconstruction services companies based in the United Kingdom at a glance

As of Sep 17, 2026

31.1%Verified-email coverage

5.9Average contacts per company

1-10Median size (employees)

17.5%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

1,342

11-50

596

51-200

126

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 2,121 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among preconstruction services companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “preconstruction services companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names preconstruction services companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among preconstruction services companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 3,868 across the full list. 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 September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Preconstruction services companies by metro

Preconstruction services companies in London371
Preconstruction services companies in Manchester42

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names preconstruction services companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many preconstruction services companies are there based in the United Kingdom?

RevenueBase identified 2,121 preconstruction services companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

WT UK & Europe, headquartered in Croydon, tops this list with the largest team on record.

Which city has the most preconstruction services companies?

London leads with 371 headquartered companies, followed by Manchester (42) and Bristol (24).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,868 verified decision-maker contacts tracked across these 2,121 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 Smart Search, 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.