County
Companies in Mayo
11,763 companies are registered in Co. Mayo, Ireland — 6,067 currently active. Updated daily from the CRO register.
11,763
Registered companies
6,067
Active
265
Registered this year
Industries in Mayo
Construction
651 active
companies
Wholesale & Retail
645 active
companies
Professional & Technical
584 active
companies
Hospitality & Food
359 active
companies
Finance & Insurance
337 active
companies
Other Services
313 active
companies
Manufacturing
254 active
companies
Information & Communication
202 active
companies
Admin & Support
173 active
companies
Real Estate
161 active
companies
Health & Social Work
139 active
companies
Arts & Recreation
137 active
companies
Transport & Storage
89 active
companies
Agriculture
86 active
companies
Education
74 active
companies
Public Administration
21 active
companies
Energy Supply
17 active
companies
Water & Waste
14 active
companies
Mining & Quarrying
1 active
company
Household Employers
0 active
companies
Recently Registered in Mayo
| Company Name | Number | Town | Registered |
|---|---|---|---|
| Craig Middleton Ltd | 821388 | Claremorris | 20 Jul 2026 |
| Cannon Financial Planning Ltd | 821491 | Achill | 20 Jul 2026 |
| Mendota Consulting Ltd | 821361 | Ballinrobe | 17 Jul 2026 |
| Taylored HR Solutions Ltd | 821333 | Louisburgh | 17 Jul 2026 |
| Taylored HR Solutions Ltd | 821331 | Louisburgh | 17 Jul 2026 |
| Tom McHale Plastering Contractor Ltd | 821181 | Westport | 16 Jul 2026 |
| Hassan Emerald Property Ltd | 821248 | Ballyhaunis | 16 Jul 2026 |
| Dowlinc Technologies Ltd | 820984 | Westport | 14 Jul 2026 |
| Atlantic QS & Commercial Consulting Ltd | 820988 | Ballina | 14 Jul 2026 |
| CCS Agri Ltd | 820882 | Claremorris | 13 Jul 2026 |
| Easy Boat Ltd | 820623 | Claremorris | 10 Jul 2026 |
| Forma Contract Flooring Ltd | 820686 | Castlebar | 10 Jul 2026 |
| Sri Lanka Film DAC | 820732 | Westport | 10 Jul 2026 |
| Ard Doire Consulting Ltd | 820461 | Westport | 8 Jul 2026 |
| Dentcraft Ltd | 820520 | Westport | 8 Jul 2026 |
| Golem Sherwood Ltd | 820541 | Ballyhaunis | 8 Jul 2026 |
| Cobre Leisure Ltd | 820463 | Castlebar | 8 Jul 2026 |
| D.K. Autobody Ltd | 820453 | Knock | 7 Jul 2026 |
| Reidmont Holdings Ltd | 820402 | Castlebar | 7 Jul 2026 |
| Proveup Europe Ltd | 820445 | Westport | 7 Jul 2026 |
Where companies are based
Castlebar (2,247) · Ballina (1,897) · Westport (1,747) · Claremorris (1,245) · Ballyhaunis (559) · Ballinrobe (522) · Foxford (269) · Swinford (232) · Belmullet (217) · Charlestown (181)