Company lists · Data refreshed September 2026

Top 25 Construction companies based in the United Kingdom

Name: Construction 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 6, 2026 11,376 companies tracked

RevenueBase lists 11,376 construction companies based in the United Kingdom, with 148,841 business contacts and 50,845 email addresses, as of September 2026. London is the single most-represented city among the companies on this list. Use the directory to research construction providers and identify relevant business contacts.

Construction companies plan, manage, and carry out building, renovation, civil engineering, infrastructure, and related construction work for commercial, residential, industrial, and public-sector projects. This list covers companies that provide construction, building, renovation, site development, infrastructure, or related project services. Ranked by team size, largest first. Data current as of September 6, 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 6, 2026 86% judged on-target in blind review

11,376Companies

148,841Contacts tracked

50,845Verified emails

6,317Mobile numbers

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The 25 largest construction companies based in the United Kingdom

Ranked by team size

Top 25 of 11,376 construction companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to construction 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	Kier Group	Indirect evidence	Uk, United KingdomHQ checked Sep 6, 2026	10001+	9,491 contacts →
	Indirect evidence “Our purpose is to sustainably deliver infrastructure which is vital to the UK.” Source: RevenueBase Database · checked Sep 6, 2026
2	MACE	Indirect evidence	London, United KingdomHQ checked Sep 6, 2026	5,001-10,000	8,458 contacts →
	Indirect evidence “Mace Consult launched as a new and independent business on 5 March 2026, through a carve-out from Mace Group.” Source: RevenueBase Database · checked Sep 6, 2026
3	Interserve	Strong evidence	Twyford, United KingdomHQ checked Sep 6, 2026	10001+	4,312 contacts →
	Strong evidence “Interserve is one of the world’s foremost construction, ground shoring and citizen services companies and we have a workforce of circa people worldwide.” Source: RevenueBase Database · checked Sep 6, 2026
4	Costain Group PLC	Indirect evidence	London, United KingdomHQ checked Sep 6, 2026	1,001-5,000	3,785 contacts →
	Indirect evidence “Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Source: RevenueBase Database · checked Sep 6, 2026
5	Galliford TRY	Indirect evidence	Uxbridge, United KingdomHQ checked Sep 6, 2026	1,001-5,000	3,196 contacts →
	Indirect evidence “Galliford Try is a leading UK contractor, and a member of the FTSE 250, passionate about providing high quality buildings and infrastructure for communities across the nation.” Source: RevenueBase Database · checked Sep 6, 2026
6	Murphy	Strong evidence	London, United KingdomHQ checked Sep 6, 2026	1,001-5,000	3,095 contacts →
	Strong evidence “Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Source: RevenueBase Database · checked Sep 6, 2026
7	Innovo Group	Strong evidence	London, United KingdomHQ checked Sep 6, 2026	10001+	2,416 contacts →
	Strong evidence “Innovo is an industry leader in construction and innovation across the built environment, specialising in the design, engineering, construction, development and infrastructure…” Source: RevenueBase Database · checked Sep 6, 2026
8	Willmott Dixon	Strong evidence	Letchworth Garden City, United KingdomHQ checked Sep 6, 2026	1,001-5,000	2,165 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 6, 2026
9	SEP Engineers	Indirect evidence	Skelmersdale, United KingdomHQ checked Sep 6, 2026	n/a	1,837 contacts →
	Indirect evidence “Established in 1986, SEP has been the industry’s leader for site engineering, surveying and management solutions for over thirty years, providing vital services, resources and…” Source: RevenueBase Database · checked Sep 6, 2026
10	SIR Robert Mcalpine	Indirect evidence	Kings Langley, United KingdomHQ checked Sep 6, 2026	1,001-5,000	1,761 contacts →
	Indirect evidence “Sir Robert McAlpine is a family-owned building and infrastructure company operating across the UK.” Source: RevenueBase Database · checked Sep 6, 2026
11	Ridge And Partners LLP	Indirect evidence	Woodstock, United KingdomHQ checked Sep 6, 2026	1,001-5,000	1,427 contacts →
	Indirect evidence “Ridge is a built environment consultancy, helping clients turn complex briefs into buildings and infrastructure that perform in the real world.” Source: RevenueBase Database · checked Sep 6, 2026
12	Breedon Group PLC	Strong evidence	Breedon On The Hill, United KingdomHQ checked Sep 6, 2026	1,001-5,000	1,394 contacts →
	Strong evidence “We're a leading vertically-integrated international construction materials group in Great Britain, Ireland and the United States.” Source: RevenueBase Database · checked Sep 6, 2026
13	Clancy	Indirect evidence	Harefield, United KingdomHQ checked Sep 6, 2026	1,001-5,000	1,218 contacts →
	Indirect evidence “The Clancy Group was founded in 1958 by Michael Clancy as M.J.” Source: RevenueBase Database · checked Sep 6, 2026
14	Robertson Group	Strong evidence	Stirling, United KingdomHQ checked Sep 6, 2026	1,001-5,000	1,090 contacts →
	Strong evidence “We’re one of the largest family-owned construction, infrastructure and support services businesses in the UK, and we apply the same principles to every aspect of our business…” Source: RevenueBase Database · checked Sep 6, 2026
15	FM Conway LTD	Indirect evidence	Sevenoaks, United KingdomHQ checked Sep 6, 2026	1,001-5,000	974 contacts →
	Indirect evidence “FM Conway is a leading infrastructure services company delivering vital services in transportation, the built environment and open spaces for communities and businesses.” Source: RevenueBase Database · checked Sep 6, 2026
16	Volkerfitzpatrick	Indirect evidence	Hoddesdon, United KingdomHQ checked Sep 6, 2026	1,001-5,000	863 contacts →
	Indirect evidence “VolkerFitzpatrick is a multi-disciplinary contractor working in the civil engineering, building, rail, waste and energy infrastructure sectors.” Source: RevenueBase Database · checked Sep 6, 2026
17	Amcogiffen	Indirect evidence	Barnsley, United KingdomHQ checked Sep 6, 2026	1,001-5,000	845 contacts →
	Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 6, 2026
18	Bowmer And Kirkland LTD	Strong evidence	Heage, United KingdomHQ checked Sep 6, 2026	1,001-5,000	832 contacts →
	Strong evidence “The Bowmer + Kirkland Group (B+K) is one of the UK's most successful, privately-owned construction and development groups.” Source: RevenueBase Database · checked Sep 6, 2026
19	JRL Group LTD	Strong evidence	Borehamwood, United KingdomHQ checked Sep 6, 2026	1,001-5,000	810 contacts →
	Strong evidence “Over 25 years the JRL Group has grown from a company specialising in sub and superstructure packages to a business that offers integrated construction solutions by incorporating…” Source: RevenueBase Database · checked Sep 6, 2026
20	Pick Everard	Strong evidence	Leicester, United KingdomHQ checked Sep 6, 2026	501-1,000	795 contacts →
	Strong evidence “Pick Everard is a leading multi-professional consultancy working within the property, infrastructure and construction industry.” Source: RevenueBase Database · checked Sep 6, 2026
21	Construction Enquirer	Strong evidence	London, United KingdomHQ checked Sep 6, 2026	n/a	655 contacts →
	Strong evidence “Construction Enquirer is a free breaking-news service for UK construction.” Source: RevenueBase Database · checked Sep 6, 2026
22	Winvic Construction LTD	Strong evidence	Northampton, United KingdomHQ checked Sep 6, 2026	201-500	647 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
23	Keyline Civils Specialist	Strong evidence	Northampton, United KingdomHQ checked Sep 6, 2026	501-1,000	617 contacts →
	Strong evidence “We're experts when it comes to supplying and distributing civils, drainage and heavy building materials to the UK construction industry.” Source: RevenueBase Database · checked Sep 6, 2026
24	M&j Evans Construction Limited	Strong evidence	Aldridge, United KingdomHQ checked Sep 6, 2026	201-500	599 contacts →
	Strong evidence “M&J Evans Construction Ltd, one of the largest groundworks and civil engineering business has been based in the West Midlands since 2003.” Source: RevenueBase Database · checked Sep 6, 2026
25	Farrans Construction	Indirect evidence	Belfast, United KingdomHQ checked Sep 6, 2026	501-1,000	571 contacts →
	Indirect evidence “Farrans is a leading civil engineering and building contractor which specialises in innovative and sustainable solutions for the water, energy, aviation, transportation, marine…” Source: RevenueBase Database · checked Sep 6, 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: construction 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 construction companies.
Partial evidence: Its own public description names part of construction companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name construction 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 11,376 construction companies based in the United Kingdom

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Construction companies based in the United Kingdom at a glance

As of Sep 6, 2026

34.2%Verified-email coverage

4.2%Mobile-number coverage

13.1Average contacts per company

1-10Median size (employees)

15.3%Largest-city concentration · London

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

6,038

11-50

3,689

51-200

1,127

201-500

189

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

47,3390–30

3,31831–60

2261–90

990–180

157180+

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 construction 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 “construction 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 construction 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 construction 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, 50,845 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 6, 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.

Construction companies by metro

Frequently asked

How many construction companies are based in the United Kingdom?

The directory contains 11,376 construction companies based in the United Kingdom.

What do construction companies do?

Construction companies plan, manage, and perform building, renovation, infrastructure, and related construction work for clients across multiple sectors.

How can I find contacts at construction companies?

The directory includes 148,841 business contacts and 50,845 email addresses associated with construction companies.

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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.