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Top 100 Construction Companies UK 2027

Last updated: November 2027 | Source: Barbour ABI

The Top 100 Construction Companies UK League Table shows you the top contractors working across the UK in an easy-to-use interactive table. All company rankings are sourced directly from our leading Construction Project Leads Platform.

The top contractors league tables rank main contractors by the total value of the contract awards they have won. Only projects with a start date falling between six months before and six months after the dataset date are counted towards a contractor’s ranking. This dataset covers April 2026 to April 2027. Discover the biggest contractors shaking up the UK industry in our table below.

Balfour Beatty is Top Construction Company in UK

According to Barbour ABI’s extensive planning data, the top construction company in the UK is Balfour Beatty with 39 projects valued at £40.2bn.

2nd place – Laing O’Rourke Delivery Limited – 4 projects valued at £40.1bn

3rd place – Bouygues Travaux Publics-Murphy Joint Venture – 1 projects valued at £38bn

Key findings: top construction companies in the UK

  • The largest main contractor by project value is Balfour Beatty Regional Construction Limited, with 39 projects worth £40.21bn.
  • The largest main contractor by project count is Barratt Homes, with 141 projects worth £3.55bn.
  • The top three contractors are all working on the Sizewell C Nuclear Power Station project due to start in January 2027

Top 100 Construction Companies UK 2027 League Table

Position Contractor Number of Projects Total Value View Projects
1 Balfour Beatty Regional Construction Limited 39 £ 40,213,062,944 View projects
2 Laing O'Rourke Delivery Limited 4 £ 40,150,000,000 View projects
3 Bouygues Travaux Publics-Murphy Joint Venture 1 £ 38,000,000,000 View projects
4 Barratt Homes 141 £ 3,554,612,147 View projects
5 Kier Group 81 £ 3,038,511,234 View projects
6 Taylor Wimpey 88 £ 2,625,395,000 View projects
7 Mace Limited 7 £ 2,343,613,200 View projects
8 Persimmon Homes (East Yorkshire) Limited 104 £ 2,244,692,500 View projects
9 VolkerWessels UK 11 £ 2,136,659,139 View projects
10 Morgan Sindall Group 104 £ 2,084,139,628 View projects
11 Siemens Mobility Limited 1 £ 1,750,000,000 View projects
12 AtkinsRéalis 1 £ 1,750,000,000 View projects
13 McLaren Construction Limited 17 £ 1,730,350,500 View projects
14 The Berkeley Group 36 £ 1,652,674,609 View projects
15 Galliford Try Construction 54 £ 1,634,415,760 View projects
16 Bellway Homes 69 £ 1,526,513,201 View projects
17 Vistry Partnerships 52 £ 1,390,442,500 View projects
18 Winvic Construction Limited 28 £ 1,303,890,000 View projects
19 Cascade Infrastructure Limited 5 £ 1,250,000,000 View projects
20 Multiplex Construction Europe Limited 5 £ 1,183,000,000 View projects
21 Vinci Construction UK Limited 26 £ 1,107,505,834 View projects
22 Graham Construction Limited 20 £ 1,071,079,341 View projects
23 Hill Partnerships Limited 36 £ 1,037,160,840 View projects
24 RJ McLeod (Contractors) Limited 6 £ 1,031,300,000 View projects
25 Willmott Dixon Holdings Ltd 49 £ 958,019,761 View projects
26 Bouygues UK Limited 7 £ 931,976,562 View projects
27 Bloor Homes 46 £ 930,479,000 View projects
28 Bowmer & Kirkland Limited 28 £ 905,130,363 View projects
29 Countryside Homes 28 £ 882,250,827 View projects
30 J. Murphy & Sons Limited 7 £ 858,487,000 View projects
31 HG Construction 14 £ 769,159,000 View projects
32 C Hobbs Associates 4 £ 755,000,000 View projects
33 Costain Group Plc 20 £ 746,852,025 View projects
34 Midland Metro Alliance 1 £ 735,000,000 View projects
35 Keepmoat Homes Limited 34 £ 725,543,500 View projects
36 McLaughlin & Harvey 16 £ 697,247,916 View projects
37 Miller Homes 33 £ 687,107,417 View projects
38 Wates Construction Limited 32 £ 664,835,234 View projects
39 McAleer & Rushe Group 10 £ 624,400,000 View projects
40 Cala Group 29 £ 583,624,850 View projects
41 BAM Construction 32 £ 571,312,406 View projects
42 Crest Nicholson South 20 £ 568,907,630 View projects
43 TSL Projects 3 £ 563,000,000 View projects
44 Balfour Beatty Vinci JV HS2 9 £ 558,500,000 View projects
45 John Sisk & Son Limited 6 £ 553,597,000 View projects
46 Domis Construction 8 £ 521,675,000 View projects
47 Tilbury Douglas 27 £ 521,530,049 View projects
48 Weston Homes Limited 3 £ 494,800,000 View projects
49 Robertson Group Limited 27 £ 489,499,298 View projects
50 Aureos Infrastructure Services Limited 1 £ 480,000,000 View projects
51 MJ Gleeson Group PLC 31 £ 479,760,000 View projects
52 Mott MacDonald Group Limited 11 £ 468,686,002 View projects
53 Wills Bros Ltd. 6 £ 466,699,082 View projects
54 Berkeley DeVeer 15 £ 465,580,000 View projects
55 Eric Wright Group 20 £ 444,392,500 View projects
56 Giles Lane Investments Limited 1 £ 418,000,000 View projects
57 Caddick Construction Limited 17 £ 374,486,000 View projects
58 London Square Developments Limited 6 £ 356,575,500 View projects
59 Wain Homes (South West) Holdings Limited 20 £ 338,310,000 View projects
60 ESH Group 17 £ 336,226,994 View projects
61 Sir Robert McAlpine Limited 5 £ 328,000,000 View projects
62 Morris Homes (North) Limited 11 £ 327,150,000 View projects
63 Skanska UK 5 £ 312,156,000 View projects
64 JRL Group 2 £ 312,000,000 View projects
65 Lendlease Limited 7 £ 309,895,000 View projects
66 Story Contracting Limited 14 £ 300,141,470 View projects
67 Glencar Construction Limited 8 £ 292,476,000 View projects
68 Mercury Engineering 1 £ 285,000,000 View projects
69 Bennett Construction Limited 5 £ 283,400,000 View projects
70 Strata Group (Yorkshire) Limited 7 £ 283,140,000 View projects
71 CubicWorks Limited 4 £ 269,256,850 View projects
72 Higgins Partnerships 13 £ 254,722,144 View projects
73 Hollybrook Limited 4 £ 238,440,000 View projects
74 Formation Design & Build Limited 6 £ 237,289,488 View projects
75 GMI Construction Group Plc 10 £ 230,021,531 View projects
76 LNT Care Developments (3) Limited 36 £ 228,710,500 View projects
77 United Infrastructure 11 £ 223,700,000 View projects
78 Watkin Jones & Sons 7 £ 221,480,000 View projects
79 JJ Rhatigan & Company Limited 4 £ 207,000,000 View projects
80 MTX Contracts Limited 8 £ 201,932,965 View projects
81 Homes By Honey Limited 4 £ 201,000,000 View projects
82 CCG (Scotland) Limited 15 £ 197,210,021 View projects
83 Kori Construction 13 £ 196,932,500 View projects
84 Marshall Holdings Limited 6 £ 193,445,000 View projects
85 McCarthy & Stone Retirement Lifestyles 25 £ 182,871,300 View projects
86 HB Villages Limited 1 £ 180,000,000 View projects
87 Dandara Jersey Limited 4 £ 178,180,000 View projects
88 Stantec 1 £ 175,000,000 View projects
89 Barhale Limited 10 £ 170,500,000 View projects
90 Mulalley & Company Limited 4 £ 167,570,278 View projects
91 Legendre UK Limited 4 £ 166,000,000 View projects
92 Intelle Construction Limited 5 £ 161,934,400 View projects
93 Conrad Energy (Developments) Limited 2 £ 160,000,000 View projects
94 Stonebridge Homes Limited 7 £ 158,640,000 View projects
95 Castle Green Homes 8 £ 156,580,000 View projects
96 William Davis Homes Limited 8 £ 154,160,000 View projects
97 Sewell Group 4 £ 152,198,314 View projects
98 Fidra Energy 1 £ 150,000,000 View projects
99 Arada London 2 £ 150,000,000 View projects
100 Verto Homes Limited 1 £ 147,762,500 View projects
Position Company Name Number of Projects Total Value View Projects
1 Barratt Homes 227 £ 5,655,663,382 View projects
2 Taylor Wimpey 148 £ 4,022,995,000 View projects
3 Persimmon Homes (East Yorkshire) Limited 192 £ 4,013,315,371 View projects
4 McLaren Construction Limited 26 £ 3,572,484,500 View projects
5 Laing O'Rourke Delivery Limited 7 £ 3,567,000,000 View projects
6 Kier Group 102 £ 3,501,650,948 View projects
7 Bellway Homes 141 £ 3,226,722,201 View projects
8 Morgan Sindall Group 174 £ 3,203,315,799 View projects
9 Mace Limited 13 £ 3,113,113,200 View projects
10 Balfour Beatty Regional Construction Limited 53 £ 3,100,706,403 View projects
11 Vistry Partnerships 109 £ 2,688,832,000 View projects
12 VolkerWessels UK 18 £ 2,223,491,417 View projects
13 Bowmer & Kirkland Limited 57 £ 2,178,398,313 View projects
14 Galliford Try Construction 85 £ 2,031,808,744 View projects
15 The Berkeley Group 44 £ 2,022,514,609 View projects
16 Hill Partnerships Limited 60 £ 1,995,736,325 View projects
17 Willmott Dixon Holdings Ltd 83 £ 1,989,194,559 View projects
18 Winvic Construction Limited 39 £ 1,976,263,682 View projects
19 Graham Construction Limited 30 £ 1,875,901,945 View projects
20 AtkinsRéalis 1 £ 1,750,000,000 View projects
21 Siemens Mobility Limited 1 £ 1,750,000,000 View projects
22 Bouygues UK Limited 12 £ 1,739,476,562 View projects
23 Bloor Homes 83 £ 1,642,139,000 View projects
24 Vinci Construction UK Limited 37 £ 1,591,293,773 View projects
25 Keepmoat Homes Limited 60 £ 1,302,051,392 View projects
26 Cascade Infrastructure Limited 5 £ 1,250,000,000 View projects
27 Lendlease Limited 12 £ 1,249,128,000 View projects
28 Miller Homes 61 £ 1,187,102,417 View projects
29 Multiplex Construction Europe Limited 5 £ 1,183,000,000 View projects
30 Wates Construction Limited 52 £ 1,167,801,048 View projects
31 BAM Construction 52 £ 1,167,094,536 View projects
32 Countryside Homes 42 £ 1,161,558,327 View projects
33 Domis Construction 7 £ 1,090,200,000 View projects
34 RJ McLeod (Contractors) Limited 7 £ 1,073,300,000 View projects
35 HG Construction 16 £ 1,041,844,500 View projects
36 Cala Group 51 £ 936,298,536 View projects
37 London Square Developments Limited 11 £ 899,582,500 View projects
38 McLaughlin & Harvey 23 £ 886,058,301 View projects
39 Skanska UK 8 £ 836,656,000 View projects
40 Crest Nicholson South 34 £ 824,657,630 View projects
41 Glencar Construction Limited 25 £ 822,988,000 View projects
42 Costain Group Plc 23 £ 814,752,025 View projects
43 McAleer & Rushe Group 15 £ 807,220,000 View projects
44 Caddick Construction Limited 29 £ 800,186,000 View projects
45 C Hobbs Associates 7 £ 784,000,000 View projects
46 Berkeley DeVeer 25 £ 763,720,000 View projects
47 Tilbury Douglas 46 £ 762,916,114 View projects
48 Robertson Group Limited 45 £ 752,391,298 View projects
49 Midland Metro Alliance 1 £ 735,000,000 View projects
50 J. Murphy & Sons Limited 8 £ 726,487,000 View projects
51 Renaker Build Limited 5 £ 717,453,750 View projects
52 MJ Gleeson Group PLC 46 £ 706,240,000 View projects
53 Bam-Hitachi Joint Venture 1 £ 700,000,000 View projects
54 Gilbert-Ash Limited 9 £ 655,292,800 View projects
55 Balfour Beatty Vinci JV HS2 22 £ 639,950,000 View projects
56 TSL Projects 8 £ 605,899,000 View projects
57 John Sisk & Son Limited 9 £ 600,597,000 View projects
58 Eric Wright Group 32 £ 600,132,781 View projects
59 Mount Anvil Construction Limited 7 £ 567,404,850 View projects
60 Aureos Infrastructure Services Limited 2 £ 550,000,000 View projects
61 Wain Homes (South West) Holdings Limited 32 £ 504,340,000 View projects
62 Wills Bros Ltd. 7 £ 501,199,082 View projects
63 Story Contracting Limited 27 £ 496,151,470 View projects
64 Weston Homes Limited 3 £ 494,800,000 View projects
65 GMI Construction Group Plc 26 £ 490,946,531 View projects
66 JRL Group 5 £ 468,000,000 View projects
67 Homes By Honey Limited 14 £ 441,460,000 View projects
68 Giles Lane Investments Limited 1 £ 418,000,000 View projects
69 LNT Care Developments Limited 63 £ 412,396,500 View projects
70 Acciona Infrastructure 1 £ 400,000,000 View projects
71 Collen Construction (UK) Limited 1 £ 400,000,000 View projects
72 Morris Homes (North) Limited 15 £ 388,630,000 View projects
73 Arada London 4 £ 375,000,000 View projects
74 ESH Group 21 £ 362,668,713 View projects
75 CCG (Scotland) Limited 28 £ 353,810,669 View projects
76 Sir Robert McAlpine Limited 7 £ 351,500,000 View projects
77 Bennett Construction Limited 6 £ 330,400,000 View projects
78 Strata Group (Yorkshire) Limited 10 £ 327,780,000 View projects
79 HFD Construction 2 £ 320,586,800 View projects
80 Legendre UK Limited 8 £ 318,343,800 View projects
81 Castle Green Homes 15 £ 317,500,000 View projects
82 Higgins Partnerships 15 £ 309,211,521 View projects
83 Marubeni Europe Limited 1 £ 300,000,000 View projects
84 Vantage Data Centers 1 £ 300,000,000 View projects
85 MTX Contracts Limited 14 £ 298,126,380 View projects
86 Watkin Jones & Sons 9 £ 286,233,200 View projects
87 Mercury Engineering 1 £ 285,000,000 View projects
88 JRL Plant And Logistics Limited 4 £ 283,350,900 View projects
89 Seddon Construction Limited 39 £ 280,527,968 View projects
90 William Davis Homes Limited 13 £ 275,590,000 View projects
91 CubicWorks Limited 4 £ 269,256,850 View projects
92 Hollybrook Limited 7 £ 264,216,800 View projects
93 Formation Design & Build Limited 8 £ 257,239,488 View projects
94 United Infrastructure 10 £ 253,060,000 View projects
95 McCarthy & Stone Retirement Lifestyles 43 £ 249,527,100 View projects
96 Rowland Homes Limited 13 £ 242,860,000 View projects
97 MCS Group Limited 15 £ 237,696,200 View projects
98 Fairview Estates (Housing) Limited T/A Fairview New Homes 6 £ 225,630,000 View projects
99 Story Homes 9 £ 220,340,000 View projects
100 RG Group Limited Head Office 3 £ 215,588,000 View projects

How are these tables ranked?

The top contractors league tables are ranked by total contract award value won by the main contractor. The projects that influence the ranking have a start date from 6 months back through to 6 months forward.

How to use this league table

Top construction companies are ranked by value by default, but you have several ways to customise your view:

  • Number of results: Use the display toggle to show between 10 and all 100 companies at once.
  • Project value: Click the value column to switch between highest and lowest.
  • Search: Use the search bar in the upper right hand corner of the table to search for project names, values, start dates, or positions.
  • Number of projects: Click the number of projects column to switch between the highest and lowest project count for each company
  • Alphabetical sorting: Click the project name, sector, or location columns to sort A–Z or Z–A.

Want to see the projects behind the rankings?

Get in touch today to see the projects the UK’s top contractors are working on, key roles associated to the projects, and their industry relationships. Request 10 free leads below and we’ll be in touch to source the companies you want to target.

Get a free monthly update on the top performers in the industry

Barbour ABI produces a Top 50 report every month directly on our website that highlights the top performers in construction. It showcases the top: 

  • Contractors
  • Architects
  • Clients 

The report is published each month and provides a 12 month review to see who’s consistently in the top rankings.

Top Construction Projects League Tables

Access the top 100 construction projects happening in the UK. The projects are ranked by total value of projects across a 12-month period and can be filtered by sector, location, start date, value, and links straight to the Barbour ABI project leads platform. View the top construction projects overall in the UK as well as major regions and cities.

View the Top Construction Tenders League Tables

View the latest and hottest projects out to tender in the UK. Filter by value, location, number of bidders, start dates, and link straight to the Barbour ABI project leads platform to see the project in full detail. The Tender League Tables are separated by sector to give you the most insights on construction activity in your field.

FAQs

  1. Balfour Beatty Regional Construction Limited
  2. Laing O’Rourke Delivery Limited
  3. Bouygues Travaux Publics-Murphy Joint Venture
  4. Barratt Homes
  5. Kier Group
  6. Taylor Wimpey
  7. Mace Limited
  8. Persimmon Homes (East Yorkshire) Limited
  9. VolkerWessels UK
  10. Morgan Sindall Group

By project value: Balfour Beatty with £40.21bn. 

By project count: Barratt Homes has the most projects at 141.

A tier 1 contractor is the main contractor appointed directly by the client to deliver a construction project, taking overall responsibility for programme, cost, quality and safety. It manages the supply chain beneath it, appointing and coordinating the tier 2 subcontractors and tier 3 suppliers who carry out the specialist works.

No, it is ranked by the value of total projects reported on Barbour ABI’s Construction Project Leads Platform.

The League Tables produced by Barbour ABI are updated on a quarterly basis.

Clients of Barbour ABI can view the companies and projects behind our rankings directly on the platform. If you’re not a client and would like to see how you could use our advanced construction data to help win more work, book a free demo today.

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