Top 10 Construction Companies in Northern Ireland

Position	Contractor	Number of projects	Value of projects (£m)	Live Projects
1	KCS (NI) L	1	150	See all projects
2	Graham Construction	5	110	See all projects
3	M J McBride Developments	4	58	See all projects
4	Farrans Construction	2	53	See all projects
5	TES NI Ltd	1	40	See all projects
6	Glasgiven Contracts Ltd	1	40	See all projects
7	Martin & Hamilton Ltd	6	34	See all projects
8	Mascott Construction Ltd	3	31	See all projects
9	Doherty Developments	1	30	See all projects
10	MJ McBride Construction Limited	3	29	See all projects
No Companies Found

Source: Glenigan | Last modified January 2026

Not a glenigan customer?

Leverage project information and insight for projects in the UK and Republic of Ireland.