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Ireland’s Top 60 Contractors (Turnover Ireland) 2025

CompanyTurnover IrelandSector
1Sisk€1,179,500,000General Building
2John Paul Construction€646,000,000General Building
3Walls Constuction€631,000,000General Building
4Jones Engineering€629,000,000Mechanical & Electrical Engineering
5PJ Hegarty€501,000,000General Building
6Mercury Engineering€472,000,000Mechanical & Electrical Engineering
7BAM Ireland€427,000,000General Building
8Kirby Group Engineering€369,000,000Mechanical & Electrical Engineering
9Winthrop Technologies Limited€362,400,000General Building
10JJ Rhatigan€351,545,403General Building
11Bennett (Construction) Ltd€282,000,000General Building
12Murphy€275,000,000General Building
13Suir Engineering€255,000,000Mechanical & Electrical Engineering
14Collen€250,000,000General Building
15Elliott Group€195,000,000General Building
16Wills Bros€193,000,000Civils
17GEM€186,000,000General Building
18Designer Group€160,000,000Mechanical & Electrical Engineering
18Conack Construction€160,000,000General Building
20Dornan Engineering LTD€148,000,000Mechanical & Electrical Engineering
21Flynn€144,288,558General Building
22Clancy Construction€141,420,501General Building
23Monami Construction€140,325,857General Building
24Vision Contracting€133,700,000General Building
25STS Group€117,669,798Mechanical & Electrical Engineering
26Ardmac Ltd€117,000,000General Building
27Duggan Brothers (Contractors)€109,000,000General Building
28MSL Engineering Ltd€108,000,000Mechanical & Electrical Engineering
29BMD & Company Limited€103,800,000Mechanical & Electrical Engineering
30Jons Civil Engineering€102,000,000Civils
31Radley Engineering€100,853,757Mechanical & Electrical Engineering
32Townmore Construction€99,000,000General Building
33Glanua€98,000,000Civils
34Coffey€81,400,000Civils
35Clonmel Enterprises Ltd€73,511,000Civils
36ABM Group€70,000,000General Building
36CJK€70,000,000Mechanical & Electrical Engineering
38Townlink Construction€68,000,000General Building
39Ganson Building and Civil Engineering Contractors Ltd€65,240,000General Building, Civils
40Shareridge€62,800,000Civils
41Stewart Construction€60,000,000General Building
42T&I Fit Outs Ltd€59,000,000General Building
43David Flynn Limited€58,670,907General Building
44Errigal Contracts Limited€58,000,000General Building
45King & Moffatt Building Services€55,000,000Mechanical & Electrical Engineering
46Arkil Holdimgs Ltd€53,000,000Civils
47Kilcawley Construction€50,900,000General Building
48Tritech Engineering€50,500,000Mechanical & Electrical Engineering
49AirconMech Ltd€49,100,000Mechanical & Electrical Engineering
50Leo Lynch€48,900,000Mechanical & Electrical Engineering
51KPH Construction€48,000,000General Building
52Lynskey Engineering Ltd€47,500,000Mechanical & Electrical Engineering
53Dominic O’ Connor Ltd€43,163,553Mechanical & Electrical Engineering
54Weltec Engineering€41,700,000Mechanical & Electrical Engineering
55Purcell Construction€40,893,096General Building
56ClearyDoyle€40,000,000General Building
57MMD Construction (Cork) Ltd€37,000,000General Building
58Quinn Downes Group€35,500,000Mechanical & Electrical Engineering
59Rockwell Engineering€31,100,000Mechanical & Electrical Engineering
60Bretland Construction€27,688,240General Building
Ireland's Top 60 Contractors 2025 by Irish Turnover as prepared by 'Irish Construction News'
Quadcore Kingspan
Bennett Construction
Clancy Construction