Builders

Busiest builders in Ireland, 2026

Who is starting the most construction work in 2026, ranked by the number of projects each company has started. Useful for finding main contractors to approach for subcontract and supply work.

2,766 companies named as builder on 5,556 project starts in Ireland in 2026 so far ยท showing the top 50.

#BuilderProject startsCountiesBusiest in
1Mc Nevin Construction Ltd582Dublin
2Murphy's New Homes Banteer Ltd.553Cork
3Sparsis Ltd trading as The Attic Company524Dublin
4Cairn Homes Construction Ltd505Dublin
5Glenveagh Homes Ltd474Dublin
6Homeland Projects Ltd254Kerry
7John Sisk & Son Holding Ltd.236Dublin
8Walls Construction Limited211Dublin
9Conack Construction Unlimited205Dublin
10ABM Contractors Ltd194Wicklow
11SIgma Homes Ltd171Cork
12Lagan Homes Ireland Ltd163Meath
13Rycroft Homes162Meath
14DAVID FLYNN LIMITED155Waterford
15Ormonde Construction Limited154Waterford
16Bear Carpentry142Dublin
17Clancy Construction144Cork
18Coolsivna Construction Group Ltd144Limerick
19McCabe McGinn (Ireland) Limited133Dublin
20Shomera Architecture133Dublin
21StructureTone Limited133Dublin
22Ultimate Construction132Dublin
23BHA Construction Ltd127Dublin
24Cahalane Bros Ltd122Cork
25Conor Mulcahy Construction ltd121Tipperary
26T&I FItouts Ltd122Dublin
27Vision Contracting Ltd127Cork
28Advanced homes111Dublin
29Choiceside ltd T/A Ambihouse113Wicklow
30Edmund Browne Construction LTD112Limerick
31Ganson Ltd113Wicklow
32Glenveagh Living Ltd112Dublin
33Hurley & White Builders Ltd.111Cork
34North West Modern Designs111Donegal
35O Flynn Construction113Cork
36Suir Engineering Ltd116Tipperary
37Elliott Group105Dublin
38Flynn Management & Contractors104Dublin
39MLQ Construction Limited103Donegal
40MORAN BROS BUILDERS101Mayo
41T/A RORY O CONNOR C/ENG103Dublin
42Capami Ltd92Dublin
43CField CS Ltd.92Cork
44Charles J Johnston & Son T/A Johnston Shopfitters95Dublin
45Conor Phelan construction92Waterford
46D& T Forkan Construction Ltd92Dublin
47GEM Construction Company Limited92Dublin
48Glenturas Construction Ltd93Donegal
49Mark O'Loughlin Construction Ltd91Clare
50Martin Reddin Ltd97Cork
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Counts are project starts naming the company as builder, by start date. One project can start in several phases (for example fit-outs or substations). Work under a joint venture or a different contracting company is counted under that name. Individuals and self-builds are not listed.