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Mace is the top construction company in London

The top construction company in London is Mace with projects valued at £1,601,000,000.

2nd place - Lendlease with projects valued at £1,179,000,000.

3rd place - Ardmore Group with projects valued at £566,000,000.

See the league table

What is the Top 100 Construction Companies UK League Table?

The Top 100 construction company league table shows you the top contractors working across the UK and outlines the number of projects and the total value of them. Giving you the insight to contact new opportunities and win more business.

How we determine the top construction companies in the UK

The top construction companies league table is determined by an extensive research process. We use market leading technology, exclusive data, and ongoing media scanning to get sight of UK construction projects. Our team of 160 dedicated researchers then validate this data by making over 1 million phone calls a year and receiving 30,000 real-time information updates each day. This rigorous research process ensures quality and reliability. Making it the most accurate and up-to-date construction data available.

Other Top Construction Companies League Tables by Region and City

Regional Tables: London North East North West Yorkshire Midlands East Anglia South East South West Scotland Wales Northern Ireland
County & City Tables: East London Newcastle Manchester Liverpool West Yorkshire Leeds South Yorkshire Sheffield West Midlands Birmingham East Midlands Nottingham Essex Hertfordshire Hampshire Sussex Surrey Bristol Aberdeen Norwich

The Top 100 construction companies in London

Position Contractor Number of projects Value of projects Live Projects
1
Mace 14 £1,601,000,000 See all projects
2
Lendlease 4 £1,179,000,000 See all projects
3
Ardmore Group 4 £566,000,000 See all projects
4
Morgan Sindall Group 106 £524,000,000 See all projects
5
Skanska UK 3 £377,000,000 See all projects
6
Henry Construction Projects 8 £375,000,000 See all projects
7
McLaren Construction Group 8 £338,000,000 See all projects
8
Higgins Group 11 £337,000,000 See all projects
9
Willmott Dixon Holdings 25 £316,000,000 See all projects
10
Kier Group 18 £304,000,000 See all projects
11
JRL Group 5 £257,000,000 See all projects
12
ISG 19 £245,000,000 See all projects
13
Vistry Group 3 £198,000,000 See all projects
14
Hill Partnerships 7 £195,000,000 See all projects
15
VolkerWessels 9 £195,000,000 See all projects
16
Sherrygreen Group of Companies 10 £178,000,000 See all projects
17
Wates Group 6 £161,000,000 See all projects
18
Mears Group 1 £161,000,000 See all projects
19
McAleer & Rushe 1 £140,000,000 See all projects
20
Royal BAM Group 7 £133,000,000 See all projects
21
McGee Group 4 £131,000,000 See all projects
22
Graham Construction 4 £130,000,000 See all projects
23
ARJ Construction 7 £113,000,000 See all projects
24
HG Construction 2 £105,000,000 See all projects
25
John Sisk & Son 2 £105,000,000 See all projects
26
Appian Construction 2 £104,000,000 See all projects
27
Elements Europe 1 £100,000,000 See all projects
28
Buckingham Group Contracting 2 £95,000,000 See all projects
29
Balfour Beatty 4 £93,000,000 See all projects
30
Galliford Try 7 £90,000,000 See all projects
31
Quinn (London) 12 £86,000,000 See all projects
32
Neilcott Construction 11 £86,000,000 See all projects
33
CRH 3 £83,000,000 See all projects
34
Byrne Group 1 £76,000,000 See all projects
35
Real Group 4 £74,000,000 See all projects
36
BW Interiors 11 £74,000,000 See all projects
37
Modebest Builders 1 £72,000,000 See all projects
38
Bouygues UK 8 £70,000,000 See all projects
39
United Living Group 7 £69,000,000 See all projects
40
Structuretone 3 £68,000,000 See all projects
41
Collins Construction Projects 8 £67,000,000 See all projects
42
Formation Architectural Design 5 £66,000,000 See all projects
43
Jerram Falkus Construction 5 £60,000,000 See all projects
44
F M Conway 2 £58,000,000 See all projects
45
Claritas Group 4 £57,000,000 See all projects
46
Glencar Construction 4 £56,000,000 See all projects
47
8Build 12 £55,000,000 See all projects
48
Parkeray 23 £54,000,000 See all projects
49
Galldris Construction 3 £52,000,000 See all projects
50
Winvic Group 2 £51,000,000 See all projects
51
Howard Russell Construction 1 £50,000,000 See all projects
52
Keltbray Group 4 £49,000,000 See all projects
53
Durkan Holdings 4 £47,000,000 See all projects
54
Built Fit Out & Refurbishment 2 £43,000,000 See all projects
55
Canary Wharf Group 3 £42,000,000 See all projects
56
Osborne 5 £40,000,000 See all projects
57
Watkin Jones Group 1 £39,000,000 See all projects
58
Newarthill 3 £36,000,000 See all projects
59
Kenson Contractors 1 £36,000,000 See all projects
60
Bugler Developments 3 £35,000,000 See all projects
61
Costain Group 1 £35,000,000 See all projects
62
Erith Contractors 8 £35,000,000 See all projects
63
Gilmartins 1 £34,000,000 See all projects
64
Borras Group Holdings 18 £32,000,000 See all projects
65
Red Construction Group 2 £31,000,000 See all projects
66
Portview Construction for Thorntons 2 £31,000,000 See all projects
67
Faithdean 3 £31,000,000 See all projects
68
Laing O'Rourke 2 £28,000,000 See all projects
69
Logan Construction South East 9 £28,000,000 See all projects
70
Legendre UK 1 £26,000,000 See all projects
71
Buxton Building Contractors 6 £26,000,000 See all projects
72
Blenheim House Construction 3 £26,000,000 See all projects
73
Kind & Company (Builders) 3 £26,000,000 See all projects
74
Stanmore 1 £26,000,000 See all projects
75
Oktra 1 £26,000,000 See all projects
76
London Projects 3 £26,000,000 See all projects
77
OKeefe Construction 1 £25,000,000 See all projects
78
Ferrovial 1 £25,000,000 See all projects
79
Stack London 3 £25,000,000 See all projects
80
Bowmer & Kirkland 1 £25,000,000 See all projects
81
Guildmore 4 £24,000,000 See all projects
82
Kilhan Construction 1 £24,000,000 See all projects
83
Joseph Homes 1 £24,000,000 See all projects
84
Knight Build 2 £24,000,000 See all projects
85
Gilbert Ash 2 £24,000,000 See all projects
86
Corley + Woolley 5 £22,000,000 See all projects
87
Renew Holdings 3 £22,000,000 See all projects
88
Access Building Contractors 2 £21,000,000 See all projects
89
LIFE Build Solutions 4 £21,000,000 See all projects
90
Thomas Sinden 3 £21,000,000 See all projects
91
Water Lilly 1 £20,000,000 See all projects
92
M C P 2 £20,000,000 See all projects
93
Vital Energi Utilities 1 £20,000,000 See all projects
94
Global Rail Construction 1 £20,000,000 See all projects
95
Aitch Group 1 £20,000,000 See all projects
96
R I Building Services 1 £20,000,000 See all projects
97
McLaughlin & Harvey 1 £20,000,000 See all projects
98
UK Power Networks 1 £20,000,000 See all projects
99
GPF Lewis (Contracts) 3 £20,000,000 See all projects
100
Galliard Homes 1 £20,000,000 See all projects
No Companies Found
Source: Glenigan | Last updated: 1st October 2026

League Tables From Glenigan

Built on the most accurate and up-to-date construction data available, our league table data allows you to see which construction companies are winning the most work, which construction projects are the most valuable, and which are open for tender.

This insight allows you to identify and contact new construction opportunities, allowing you to win more business and succeed in your market.

Top Construction Projects

See the top 100 construction projects starting this year together with their values and locations.

View top projects

Top Construction Tenders

See the most valuable construction projects out to tender this year and see how you can get involved.

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