| BIC / SWIFT | Nombre del banco | Población | País |
|---|
| 1. | MPCIIE21XXX | M.P.C.C. Credit Union Limited | Co Limerick |  |
| 2. | MADOIE21XXX | Macroom Credit Union Limited | Co Cork | |
| 3. | MDCIIE21XXX | Malahide and District Credit Union Limited | Co Dublin | |
| 4. | MATNIE21XXX | Mallow Credit Union Limited | Co Cork | |
| 5. | MDCOIE21XXX | Manorhamilton and District Credit Union Limited | Co Leitrim | |
| 6. | MADNIE21XXX | Marino Credit Union Limited | Dublin | |
| 7. | MSFSIE21XXX | Marks & Spencer Financial Services Plc | Dublin | |
| 8. | MTCUIE21XXX | Matt Talbot Credit Union Limited | Dublin | |
| 9. | MYCUIE21XXX | Maynooth Credit Union Limited | Co Kildare | |
| 10. | MYCNIE21XXX | Mayo-Doonane Credit Union Limited | Co Laois | |
| 11. | MDCNIE21XXX | Mayorstone District Credit Union Limited | Limerick | |
| 12. | MSCUIE21XXX | Meath Street Credit Union Limited | Dublin | |
| 13. | CLDIIE21XXX | Member First Credit Union Limited | Dublin | |
| 14. | MLMBIE2XXXX | Merrill Lynch International Bank Limited | Dublin | |
| 15. | MIRNIE21XXX | Midleton Credit Union Limited | Co Cork | |
| 16. | MPCNIE21XXX | Millstreet Parish Credit Union Limited | Co Cork | |
| 17. | MKCUIE21XXX | Milltown (Kerry) Credit Union Limited | Co Kerry | |
| 18. | MIRUIE21XXX | Milltown/Clonskea Credit Union Limited | Dublin | |
| 19. | MIEUIE21XXX | Mitchelstown Credit Union Limited | Co Cork | |
| 20. | MOEUIE21XXX | Mohill Credit Union Limited | Co Leitrim | |
| 21. | MODIIE21XXX | Monaghan Credit Union Limited | Co Monaghan | |
| 22. | MPRUIE21XXX | Monaleen Parish Credit Union Limited | Co Limerick | |
| 23. | MORNIE21XXX | Monasterboice Credit Union Limited | Co Louth | |
| 24. | MOEIIE21XXX | Monasterevan Credit Union Limited | Co Kildare | |
| 25. | MOEOIE21XXX | Mountmellick Credit Union Limited | Co Laois | |
| 26. | MDRUIE21XXX | Mountrath and District Credit Union Limited | Co Laois | |
| 27. | MOCUIE21XXX | Moylough/Mountbellew Credit Union Limited | Co Galway | |
| 28. | MCCRIE21XXX | Muintir Clanna Caoilte Credit Union Limited | Co Cork | |
| 29. | MSCNIE21XXX | Muintir Skibbereen Credit Union Limited | Co Cork | |
| 30. | MURNIE21XXX | Mulcair Credit Union Limited | Co Tipperary | |
| 31. | MURIIE21XXX | Mullinahone Credit Union Limited | Co Tipperary | |
| 32. | MURUIE21XXX | Mullingar Credit Union Limited | Co Westmeath | |
| 33. | MUCUIE21XXX | Musicians' Credit Union Limited | Dublin | |