| | Mills | Keith | Savills UK Ltd | Leisure and Hospitality, Retail | London, South East England, South West England |
| | Midwinter | Matthew | Sanderson Weatherall LLP | Education, Factories, Leisure and Hospitality, Motor Trade, Offices, Public Authority, Retail, Warehouses | East Anglia, East Midlands, London, Scotland, South East England, South West England, West Midlands |
| | Meierdirk | Rosalie | Allsop | Motor Trade, Offices, Retail, Warehouses | East Anglia, East Midlands, London, South East England, South West England, West Midlands |
| | Meech | Andrew | DWD Property and Planning Limited T/A DWD | Education, Leisure and Hospitality, Offices, Retail, Warehouses | East Anglia, East Midlands, London, South East England |
| | McMullan | Micky | ForeView Ltd | Education, Factories, Leisure and Hospitality, Offices, Public Authority, Retail, Warehouses | East Anglia, East Midlands, London, North East England, North West England, Scotland, South East England, South West England, Wales, West Midlands, Yorkshire and Humberside |
| | McInnes | Paul | Carron Real Estate Limited | Factories, Health, Leisure and Hospitality, Motor Trade, Offices, Public Authority, Retail, Warehouses | East Anglia, East Midlands, London, North East England, North West England, Scotland, South East England, South West England, Wales, West Midlands, Yorkshire and Humberside |
| | McDougall | Beverley | Avison Young | Education, Factories, Health, Leisure and Hospitality, Motor Trade, Offices, Public Authority, Retail, Warehouses | East Midlands, London, North East England, North West England, Northern Ireland, Scotland, South West England, Wales, West Midlands, Yorkshire and Humberside |
| | McCudden | Fergus | JLL | Offices, Retail, Warehouses | London, South East England |
| | Mattiuzzo | Robbie | Montagu Evans | Offices, Retail, Warehouses | East Midlands, London, South East England, West Midlands |
| | Matheakis | Daniel | Hyperion Rating | Factories, Leisure and Hospitality, Offices, Retail, Warehouses | London, South West England, Wales |
| | Masella | Antonio | Valuation Tribunal Service | Public Authority | East Anglia, East Midlands, London, North East England, North West England, South East England, South West England, West Midlands, Yorkshire and Humberside |
| | Marshall | Peter | Turner Morum | Education, Factories, Leisure and Hospitality, Motor Trade, Offices, Public Authority, Retail, Warehouses | East Anglia, East Midlands, London, North East England, North West England, Northern Ireland, Scotland, South East England, South West England, Wales, West Midlands, Yorkshire and Humberside |
| | Marshall | Thomas | Goodman Nash LTD | Education, Factories, Health, Leisure and Hospitality, Motor Trade, Offices, Public Authority, Retail, Warehouses | East Anglia, East Midlands, London, North East England, North West England, Northern Ireland, Scotland, South East England, South West England, West Midlands, Yorkshire and Humberside |
| | Marsden | John | Savills | Factories, Offices, Retail, Warehouses | East Midlands, North West England, West Midlands, Yorkshire and Humberside |
| | Manning | Paul | | | North East England |
| | Makhdumi | Harris | Evans & Payne | Education, Factories, Health, Leisure and Hospitality, Offices, Retail, Warehouses | East Anglia, East Midlands, London, North East England, North West England, South East England, South West England, West Midlands, Yorkshire and Humberside |
| | Mainwaring | Gareth | Savills UK | Offices, Warehouses | London, South East England |
| | Lovell | Felix | Montagu Evans | Leisure and Hospitality, Offices, Retail, Warehouses | East Anglia, London, South East England, South West England |
| | Looser | Callum | Altus Group | Factories, Leisure and Hospitality, Offices, Retail, Warehouses | South East England |
| | Lodeiro | Toni | Dalton Warner Davis LLP | Factories, Motor Trade, Offices, Public Authority, Retail, Warehouses | London, South East England |
