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Top 100 Construction Companies in the UK

by Barbour ABI Content Team

Karakusevic Carson Architects becomes top UK construction company with projects reaching £3.7bn

We’ve curated the Barbour ABI data to bring you the top 100 construction companies within the UK. This includes the top contractors, architects and clients by total value of projects across a 12-month period.

The latest data sees Karakusevic Carson Architects and Mae LLP Architects take the top two positions, with project values of £3.7bn and £3.6bn respectively. These companies are followed by Kier in third place at £2.9bn.

Regional Tables: London | South East | South West | East of England | East Midlands | West Midlands | Northern Ireland | North West | Wales | Yorkshire & the Humber | North East | Scotland

PositionCompanyRoleNumber of ProjectsValue of ProjectsView Projects*
1Karakusevic Carson ArchitectsArchitect3£3,675,000,000See all projects
2Mae LLP ArchitectsArchitect2£3,590,000,000See all projects
3KierContractor124£2,909,897,292See all projects
4National HighwaysClient38£2,682,753,882See all projects
5Balfour BeattyContractor52£2,160,435,691See all projects
6BouyguesContractor27£2,031,332,807See all projects
7ISGContractor66£1,845,922,123See all projects
8MaceContractor22£1,843,570,925See all projects
9Morgan SindallContractor144£1,732,367,107See all projects
10Leeds City CouncilClient36£1,624,754,598See all projects
11Galliford TryContractor98£1,612,066,215See all projects
12WatesContractor67£1,454,958,575See all projects
13Laing O'RourkeContractor7£1,297,993,000See all projects
14Somerset County CouncilClient10£1,261,623,018See all projects
15WinvicContractor31£1,257,589,464See all projects
16Royal BAMContractor53£1,237,146,866See all projects
17VolkerWesselsContractor34£1,168,039,641See all projects
18Willmott DixonContractor108£1,153,128,446See all projects
19Corstorphine & WrightArchitect46£1,098,601,005See all projects
20McLaughlin & HarveyContractor17£1,061,101,203See all projects
21SkanskaContractor13£1,037,876,545See all projects
22RPS Group PlcArchitect12£1,016,109,000See all projects
23ArdmoreContractor3£1,007,500,000See all projects
24MARKClient2£1,000,000,000See all projects
25Ministry of JusticeClient85£983,147,509See all projects
26Ministry of DefenceClient40£929,443,766See all projects
27Buckingham GroupContractor28£860,601,500See all projects
28Ashton Smith & AssociatesArchitect17£846,827,760See all projects
29Bowmer & KirklandContractor53£826,907,080See all projects
30Department For EducationClient97£803,225,775See all projects
31Network RailClient81£798,892,186See all projects
32JRLContractor7£767,195,000See all projects
33McLarenContractor22£736,090,500See all projects
34Ryder ArchitectureArchitect37£695,190,693See all projects
35Sir Robert McAlpineContractor21£695,081,096See all projects
36Allford Hall Monaghan MorrisArchitect11£695,000,368See all projects
37Stephen George & PartnersArchitect33£684,851,260See all projects
38VinciContractor57£678,539,187See all projects
39UMC ArchitectsArchitect37£675,676,000See all projects
40Aja ArchitectsArchitect18£660,765,320See all projects
41DP World London GatewayClient2£650,000,000See all projects
42BDPArchitect26£640,065,672See all projects
43Tilbury DouglasContractor66£639,024,738See all projects
44EPR Architects LimitedArchitect10£622,450,000See all projects
45Garry Stewart Design AssociatesArchitect4£583,000,000See all projects
46PRP ArchitectsArchitect17£582,100,000See all projects
47Stride Treglown LimitedArchitect45£550,521,028See all projects
48FCCContractor1£531,250,000See all projects
49WebuildContractor1£531,250,000See all projects
50Haworth Tompkins LimitedArchitect8£527,000,000See all projects
51PHP ArchitectsArchitect13£524,992,190See all projects
52Pilbrow & PartnersArchitect2£524,966,875See all projects
53John McAslan & PartnersArchitect3£522,500,000See all projects
54HTA Design LlpArchitect13£513,462,887See all projects
55Pattern Design LimitedArchitect1£505,000,000See all projects
56Everton Football ClubClient1£500,000,000See all projects
57Tees ValleyClient1£500,000,000See all projects
58Hawkins Brown ArchitectsArchitect18£499,415,378See all projects
59John SiskContractor12£498,316,992See all projects
60Scott Brownrigg LimitedArchitect11£494,130,400See all projects
61Tata SteelClient2£488,000,000See all projects
62AecomArchitect18£482,384,082See all projects
63Capita GroupArchitect10£470,445,000See all projects
64Chetwoods AssociatesArchitect16£469,106,319See all projects
65Sheppard RobsonArchitect15£454,990,583See all projects
66Simten DevelopmentsClient1£450,000,000See all projects
67Pick Everard (Head Office)Architect8£447,101,151See all projects
68GlencarContractor29£445,257,560See all projects
69Corporate Officers of the House of Lords & House of CommonsClient3£442,340,000See all projects
70Faulkner BrownsArchitect11£435,979,985See all projects
71Transport for LondonClient8£433,109,589See all projects
72RobertsonContractor43£429,944,223See all projects
73Sefton Metropolitan Borough CouncilClient7£419,214,000See all projects
74First PanattoniClient8£417,004,500See all projects
75Tide ConstructionContractor5£416,500,000See all projects
76VistryContractor14£407,825,000See all projects
77CaddickContractor30£406,498,500See all projects
78Yondr GroupClient1£400,000,000See all projects
79GMIContractor16£389,499,500See all projects
80Lifschutz Davidson SandilandsArchitect8£382,015,100See all projects
81Henry ConstructionContractor9£379,479,500See all projects
82TSLContractor6£378,909,000See all projects
83Powell Dobson ArchitectsArchitect17£372,936,411See all projects
84Fabrix CapitalClient2£360,000,000See all projects
85SegroClient7£358,293,000See all projects
86Levitt BernsteinArchitect10£355,060,350See all projects
87Hill PartnershipsContractor15£351,727,998See all projects
88PurcellArchitect10£351,164,269See all projects
89Stiff & Trevillion Architects LimitedArchitect10£345,933,500See all projects
90Domis ConstructionContractor6£343,178,000See all projects
91Fletcher Rae UK LimitedArchitect15£338,412,000See all projects
92TritaxClient7£331,287,000See all projects
93SDCContractor13£314,575,500See all projects
94Gilling Dod ArchitectsArchitect26£314,543,497See all projects
95Glenn Howells ArchitectsArchitect6£310,600,000See all projects
96Tees Valley Combined AuthorityClient2£304,400,000See all projects
97Greystar Europe HoldingsClient3£303,575,000See all projects
98SalboyClient4£303,500,000See all projects
99Moorfields Eye Hospital NHS TrustClient2£301,000,000See all projects
100Britaniacrest RecyclingClient1£300,000,000See all projects

(Source: Barbour ABI, updated April 2023)

How to use the league table
  • View all projects for each listed construction company
  • View the top 10, 25, 50 or 100 construction companies
  • Use the arrows at the top of each column to:
      • sort by number of construction projects
      • sort by value of construction projects
      • alphabetise construction company names
      • alphabetise the roles to see all architects, contractors or clients
  • Use the search bar to find specific construction companies
  • Select the regions to view the top construction companies in your target area

*construction project data visibility will depend on Barbour ABI subscription criteria.

About the author

Barbour ABI Content Team

Barbour ABI Content Team

The Barbour ABI content team is a part of the Marketing department and they thrive to produce engaging, relevant content to keep you up to date with the latest construction industry insight.

At Barbour ABI’ we're revolutionising the way we deliver content to the the construction industry. From blog posts to reports, we're want to deliver the key information that you need at a pace that allows you to quickly digest and continue with your busy work day.

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