Top 100 Construction Companies in the UK

According to Glenigan construction data, Mears Group is the UK’s top construction company, after winning a £290 million housing improvement contract.

The table below lists the top 100 construction companies in the UK and is based on Glenigan’s comprehensive database of construction activity.

Last updated: June 2026

May 2026

See the top performing companies over the past 12 months

Position	Contractor	Number of projects	Value of projects (£m)	Live Projects
1	Mears Group	1	290	See all projects
2	Mace	1	250	See all projects
3	Keady Construction	1	150	See all projects
4	Morgan Sindall	17	112	See all projects
5	Royal BAM	4	95	See all projects
6	Willmott Dixon	6	91	See all projects
7	HG Construction	1	84	See all projects
8	Vistry	2	57	See all projects
9	Robertson	2	55	See all projects
10	Dalkia	2	50	See all projects
11	Glencar Construction	1	50	See all projects
12	Bennett Construction	1	50	See all projects
13	Wates	6	49	See all projects
14	Tilbury Douglas	3	45	See all projects
15	8Build	1	40	See all projects
16	Vital Energi Utilities	1	38	See all projects
17	Galliford Try	6	36	See all projects
18	Eric Wright	1	35	See all projects
19	Pioneer Design & Build	1	33	See all projects
20	JJ Rhatigan & Company	1	32	See all projects
21	R G Carter	3	30	See all projects
22	Carroll Group	2	29	See all projects
23	Elliott Group	1	28	See all projects
24	Bouygues	3	26	See all projects
25	Penny Lane Builders	1	25	See all projects
26	Barnwood Group	1	24	See all projects
27	Red Construction Group	1	23	See all projects
28	GMI Construction	1	22	See all projects
29	Veolia	1	22	See all projects
30	Legendre Construction	1	21	See all projects
31	Ashford Commercial	2	20	See all projects
32	WB Property Group	1	19	See all projects
33	Welgo Builders	1	18	See all projects
34	Speller Metcalfe	1	18	See all projects
35	Skill Crown Homes	1	17	See all projects
36	Barhale	1	17	See all projects
37	One Group Construction	1	17	See all projects
38	Wills Bros	1	17	See all projects
39	I G Hale Construction	1	16	See all projects
40	McPhillips Wellington	1	16	See all projects
41	Winvic	1	15	See all projects
42	Bowmer & Kirkland	1	14	See all projects
43	Kier	2	14	See all projects
44	Wilten Construction	2	13	See all projects
45	Henry Group	1	13	See all projects
46	Etec Contract Services	3	12	See all projects
47	Lawrence Baker	1	12	See all projects
48	Krol Corlett Construction	1	12	See all projects
49	Rollalong	1	10	See all projects
50	Hargreaves Contracting	1	10	See all projects
51	Meldrum Construction	1	10	See all projects
52	Pilbeam Construction Services	1	10	See all projects
53	Claymore Homes	1	9	See all projects
54	J Smart & Co	1	9	See all projects
55	Caddick Group	1	9	See all projects
56	LNT	1	8	See all projects
57	Sherrygreen Group	1	8	See all projects
58	BAX Construction	1	8	See all projects
59	Grelson T/A Marlowe	1	8	See all projects
60	Interiors Direct	1	8	See all projects
61	Kori Construction	1	7	See all projects
62	LNT Construction	1	7	See all projects
63	DSP Group	1	7	See all projects
64	Alexander James Contracts	1	7	See all projects
65	Wenea Services UK	1	6	See all projects
66	McTaggart Construction	2	6	See all projects
67	Hemiko	1	6	See all projects
68	NWH	1	6	See all projects
69	VincentStokes	1	5	See all projects
70	Lindum Group	1	5	See all projects
71	Knights Brown Construction	1	5	See all projects
72	Apollo Engineering	1	5	See all projects
73	Transcore	1	5	See all projects
74	Macar Homes (Southern Homes Counties)	1	5	See all projects
75	Strabag	1	5	See all projects
76	Stainforth Construction	1	5	See all projects
77	Met Development	1	5	See all projects
78	Effectable Construction Services	1	5	See all projects
79	Gilbert & Good	1	5	See all projects
80	Clark Contracts	2	5	See all projects
81	Kind & Company	1	5	See all projects
82	DH Electrical	1	5	See all projects
83	IDK	1	5	See all projects
84	ACS Construction Group	1	5	See all projects
85	Beard	1	5	See all projects
86	Michael Brady	1	4	See all projects
87	Lano Sports NV	1	4	See all projects
88	BSW Heating	1	4	See all projects
89	Mitie Group	1	4	See all projects
90	PMC Construction & Development	1	4	See all projects
91	DSP Construction Management	1	4	See all projects
92	James Frew	1	4	See all projects
93	Abbott Construction	1	4	See all projects
94	Retrofitworks	1	3	See all projects
95	Luddon Construction	1	3	See all projects
96	Morganstone	1	3	See all projects
97	Batri	1	3	See all projects
98	Hurts Contractors	1	3	See all projects
99	Alpha Projects (Scotland)	1	2	See all projects
100	Hardyman & Co	1	2	See all projects
No Companies Found

Source: Glenigan | Last updated January 2026

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