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Glenigan

The Top 100 construction companies in London

Regions
Counties & Cities
Position Contractor Number of projects Value of projects (£m)
Live Projects
1
Mace 14 1601 See all projects
2
Lendlease 4 1179 See all projects
3
Ardmore Group 4 566 See all projects
4
Morgan Sindall Group 106 524 See all projects
5
Skanska UK 3 377 See all projects
6
Henry Construction Projects 8 375 See all projects
7
McLaren Construction Group 8 338 See all projects
8
Higgins Group 11 337 See all projects
9
Willmott Dixon Holdings 25 316 See all projects
10
Kier Group 18 304 See all projects
11
JRL Group 5 257 See all projects
12
ISG 19 245 See all projects
13
Vistry Group 3 198 See all projects
14
Hill Partnerships 7 195 See all projects
15
VolkerWessels 9 195 See all projects
16
Sherrygreen Group of Companies 10 178 See all projects
17
Wates Group 6 161 See all projects
18
Mears Group 1 161 See all projects
19
McAleer & Rushe 1 140 See all projects
20
Royal BAM Group 7 133 See all projects
21
McGee Group 4 131 See all projects
22
Graham Construction 4 130 See all projects
23
ARJ Construction 7 113 See all projects
24
HG Construction 2 105 See all projects
25
John Sisk & Son 2 105 See all projects
26
Appian Construction 2 104 See all projects
27
Elements Europe 1 100 See all projects
28
Buckingham Group Contracting 2 95 See all projects
29
Balfour Beatty 4 93 See all projects
30
Galliford Try 7 90 See all projects
31
Quinn (London) 12 86 See all projects
32
Neilcott Construction 11 86 See all projects
33
CRH 3 83 See all projects
34
Byrne Group 1 76 See all projects
35
Real Group 4 74 See all projects
36
BW Interiors 11 74 See all projects
37
Modebest Builders 1 72 See all projects
38
Bouygues UK 8 70 See all projects
39
United Living Group 7 69 See all projects
40
Structuretone 3 68 See all projects
41
Collins Construction Projects 8 67 See all projects
42
Formation Architectural Design 5 66 See all projects
43
Jerram Falkus Construction 5 60 See all projects
44
F M Conway 2 58 See all projects
45
Claritas Group 4 57 See all projects
46
Glencar Construction 4 56 See all projects
47
8Build 12 55 See all projects
48
Parkeray 23 54 See all projects
49
Galldris Construction 3 52 See all projects
50
Winvic Group 2 51 See all projects
51
Howard Russell Construction 1 50 See all projects
52
Keltbray Group 4 49 See all projects
53
Durkan Holdings 4 47 See all projects
54
Built Fit Out & Refurbishment 2 43 See all projects
55
Canary Wharf Group 3 42 See all projects
56
Osborne 5 40 See all projects
57
Watkin Jones Group 1 39 See all projects
58
Newarthill 3 36 See all projects
59
Kenson Contractors 1 36 See all projects
60
Bugler Developments 3 35 See all projects
61
Costain Group 1 35 See all projects
62
Erith Contractors 8 35 See all projects
63
Gilmartins 1 34 See all projects
64
Borras Group Holdings 18 32 See all projects
65
Red Construction Group 2 31 See all projects
66
Portview Construction for Thorntons 2 31 See all projects
67
Faithdean 3 31 See all projects
68
Laing O'Rourke 2 28 See all projects
69
Logan Construction South East 9 28 See all projects
70
Legendre UK 1 26 See all projects
71
Buxton Building Contractors 6 26 See all projects
72
Blenheim House Construction 3 26 See all projects
73
Kind & Company (Builders) 3 26 See all projects
74
Stanmore 1 26 See all projects
75
Oktra 1 26 See all projects
76
London Projects 3 26 See all projects
77
OKeefe Construction 1 25 See all projects
78
Ferrovial 1 25 See all projects
79
Stack London 3 25 See all projects
80
Bowmer & Kirkland 1 25 See all projects
81
Guildmore 4 24 See all projects
82
Kilhan Construction 1 24 See all projects
83
Joseph Homes 1 24 See all projects
84
Knight Build 2 24 See all projects
85
Gilbert Ash 2 24 See all projects
86
Corley + Woolley 5 22 See all projects
87
Renew Holdings 3 22 See all projects
88
Access Building Contractors 2 21 See all projects
89
LIFE Build Solutions 4 21 See all projects
90
Thomas Sinden 3 21 See all projects
91
Water Lilly 1 20 See all projects
92
M C P 2 20 See all projects
93
Vital Energi Utilities 1 20 See all projects
94
Global Rail Construction 1 20 See all projects
95
Aitch Group 1 20 See all projects
96
R I Building Services 1 20 See all projects
97
McLaughlin & Harvey 1 20 See all projects
98
UK Power Networks 1 20 See all projects
99
GPF Lewis (Contracts) 3 20 See all projects
100
Galliard Homes 1 20 See all projects
No Companies Found
Source: Glenigan | Last modified January 2026

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