| Macpherson Smith Residential Care | Grampians Health | Residential | active | 36 | Stawell |
| Macquarie Lodge Aged Care Plus Centre | The Salvation Army (NSW) Property Trust | Residential | active | 130 | Arncliffe - Bardwell Valley |
| Maculata Place | Shepparton Retirement Villages Inc | Residential | active | 120 | Shepparton - North |
| Magenta Community Services | Magenta Community Services Pty Ltd | Home Care | active | 0 | Lismore |
| Magill Manor | Clayton Church Homes Inc | Residential | active | 96 | Rostrevor - Magill |
| Magnetic Island Community Care | Magnetic Island Community Care Association Inc | Home Care | active | 0 | Magnetic Island |
| Maitland Grange Care Community | DPG Services Pty Ltd | Residential | active | 80 | Rutherford (North) - Aberglasslyn |
| Mala'la Aged Care and Community Services | MALA'LA HEALTH SERVICE ABORIGINAL CORPORATION | Home Care | active | 0 | West Arnhem |
| Malala Flexible Aged Care Service (Maningrida) | MALA'LA HEALTH SERVICE ABORIGINAL CORPORATION | National Aboriginal and Torres Strait Islander Aged Care Program | active | 11 | West Arnhem |
| Malandari Flexible Aged Care Service (Borroloola) | Mabunji Aboriginal Resource Indigenous Corporation | National Aboriginal and Torres Strait Islander Aged Care Program | active | 12 | Gulf |
| Maldon Hospital - Mountview Nursing Home | Dhelkaya Health | Residential | active | 28 | Castlemaine Surrounds |
| Mallacoota District Health & Support Service CACP Project | Mallacoota District Health & Support Service Inc | Home Care | active | 0 | Orbost |
| Malvern East Horizons Care Community | DPG Services Pty Ltd | Residential | active | 112 | Malvern East |
| Manangatang Multi-Purpose Service | Robinvale District Health Services | Multi-Purpose Service | active | 10 | Swan Hill Surrounds |
| Mandurah Coast Care Community | DPG Services Pty Ltd | Residential | active | 54 | Mandurah - South |
| Mandurah Community Aged Care | Luson Aged Care Pty Ltd | Residential | active | 144 | Dawesville - Bouvard |
| Manilla Multi-Purpose Service | Hunter New England Local Health District | Multi-Purpose Service | active | 40 | Tamworth Surrounds |
| Manly Hillside Care Community | DPG Services Pty Ltd | Residential | active | 35 | Freshwater - Brookvale |
| Manly Vale Nursing Home | Manly Vale Nursing Home Pty Ltd | Residential | active | 92 | Manly Vale - Allambie Heights |
| MannaCare - Cassia House | MannaCare Inc | Residential | active | 90 | Templestowe Lower |
| MannaCare - Doncaster Melaleuca Lodge | MannaCare Inc | Residential | active | 60 | Templestowe Lower |
| MannaCare Inc | MannaCare Inc | Home Care | active | 0 | Templestowe Lower |
| MannaCare Inc. | MannaCare Inc | Home Care | active | 0 | Templestowe Lower |
| Manning Support Services | Manning Support Services Incorporated | Home Care | active | 0 | Taree |
| Manoah House | Association for Christian Senior Citizens Homes WA Inc | Residential | active | 33 | Maddington - Orange Grove - Martin |
| Manor Court Werribee Aged Care Ltd | Manor Court Werribee Aged Care Ltd | Residential | active | 100 | Werribee - East |
| Mapoon Home and Community Care Program | Mapoon Aboriginal Council | Home Care | active | 0 | Cape York |
| Maranatha Aged Care | Christadelphian Homes Limited | Residential | active | 128 | Kallangur |
| Maranatha House | Maranatha House | Residential | active | 80 | Wellington |
| Marco Polo Aged Care Facility | Illawarra Retirement Trust | Residential | active | 167 | Unanderra - Mount Kembla |
| Marco Polo Woonona Care Services | Illawarra Retirement Trust | Residential | active | 168 | Woonona - Bulli - Russell Vale |
| Marebello | Queensland Rehabilitation Services Pty Ltd | Residential | active | 138 | Victoria Point |
| Mareeba Aged Care | MacLean Valley Nursing Home Pty Limited | Residential | active | 119 | Maclean - Yamba - Iluka |
| Maree Care | Maree Care Pty Ltd | Home Care | active | 0 | Northcote - West |
| Margaret Hubery House | Southern Cross Care (WA) Inc | Residential | active | 65 | Riverton - Shelley - Rossmoyne |
| Margery Cole Residential Care Service | Yallambee Traralgon Village For The Aged Inc | Residential | active | 120 | Traralgon - East |
| Marina Residential Aged Care Service | Jimroy Pty Ltd | Residential | active | 190 | Altona North |
| Marine Views Cottesloe | Curtin Heritage Living Inc. | Residential | active | 128 | Cottesloe |
| Mark Donaldson VC House | RSL LifeCare Limited | Residential | active | 74 | Galston - Laughtondale |
| Markmoran at Vaucluse | Mark Moran Group Pty Limited | Residential | active | 91 | Rose Bay - Vaucluse - Watsons Bay |
| Mark & Sylvie's Home Care | Atticus Health Pty Ltd | Home Care | active | 0 | Highett (West) - Cheltenham |
| Maroba Nursing Home | Maroba | Residential | active | 155 | Waratah - North Lambton |
| Marsden Park Care Community | DPG Services Pty Ltd | Residential | active | 148 | Marsden Park - Shanes Park |
| Martin Luther Homes | Martin Luther Homes Boronia Inc | Residential | active | 147 | Boronia |
| Martyn Claver Aged Care | Siena Management Services Pty. Limited | Residential | active | 46 | Katoomba - Leura |
| Maryborough Community Aged Care | Luson Aged Care Pty Ltd | Residential | active | 185 | Tinana |
| Mary Cecelia Hart Court Hostel | Boneham Aged Care Services Incorporated | Residential | active | 90 | Millicent |
| Mary Guthrie House Nursing Home | Austin Health | Residential | active | 20 | Kew - West |
| Mary Mackillop Hostel Carrington Retirement Village | Carrington Centennial Care Limited | Residential | active | 94 | Camden - Ellis Lane |
| Marymead CatholicCare Canberra & Goulburn - Home Care Packages | Trustees of the Roman Catholic Church for the Archdiocese of Canberra and Goulburn as Trustees for Chancery Office | Home Care | active | 0 | Braddon |