County Mayo
622 companies in the CRO snapshot dated 18 July 2026 have a registered office matched to County Mayo. Location is registered-office based, not a service-area claim.
Categories
- Building construction 149
- Carpentry and joinery installation 17
- Electrical installation 53
- Flooring and tiling 2
- Groundworks and site preparation 9
- Painting and glazing 12
- Plastering 12
- Plumbing, heating and air-conditioning 30
- Roofing 16
- Other building completion and finishing 22
- Other construction installation 44
- Other specialised construction activities 113
- Architectural activities 9
- Engineering and technical consultancy 120
- Landscape services 14
Towns with confident registered-office matches
Town is based on the registered-office address, not the area a company serves. Open a category first, then apply a town filter.
- Ballina (116)
- Ballyhaunis (19)
- Castlebar (85)
- Claremorris (88)
- Swinford (24)
- Westport (82)
Contains Irish Public Sector Data licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Source: Companies Registration Office Company Records. Snapshot dated 18 July 2026.
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