| | O' Leary | Mark | Savills | Factories, Offices, Warehouses | London, South East England |
| | O'Donoghue | Michael | | | |
| | O'Carroll | Cian | Newmark | Factories, Leisure and Hospitality, Motor Trade, Offices, Retail, Warehouses | North East England, Yorkshire and Humberside |
| | OBrien | Myles | Montagu Evans | Leisure and Hospitality, Motor Trade, Offices, Public Authority, Retail, Warehouses | East Anglia, East Midlands, London, South East England, South West England, West Midlands |
| | Nwagu | Daberechi | CBRE | Retail | London |
| | Norman | K | Gerald Eve | | |
| | Nineberg | Holly | CBRE | Offices | London |
| | Nicholson | Guy | Guy Nicholson Chartered Surveyors | Education, Factories, Health, Leisure and Hospitality, Motor Trade, Offices, Retail, Warehouses | East Anglia, East Midlands, North East England, Scotland, Yorkshire and Humberside |
| | Nicholson | Emma | BNP Paribas Real Estate | | |
| | Nicholls | Samantha | Colliers | | East Midlands, West Midlands |
| | Newbury | Vincent | CBRE Ltd | Factories, Leisure and Hospitality, Offices, Warehouses | London, South East England |
| | New | Richard | Mills Reeve | | |
| | Nelson | Ben | ForeView Ltd | Factories, Motor Trade, Offices, Retail, Warehouses | London, South East England |
| | Needham | Paul | Gerald Eve | | |
| | Neal | Howard | Avison Young | | |
| | Nash | Paul | Lambert Smith Hampton | | |
| | Myerson | Josh | Montagu Evans LLP | Factories, Health, Leisure and Hospitality, Motor Trade, Offices, Public Authority, Retail, Warehouses | East Anglia, London, North East England |
| | Musgrave | William | Avison Young | Offices, Retail | London |
| | Murthy | Alexander | WSP GL Hearn | | |
| | Murphy | Zoe | Avison Young | Leisure and Hospitality, Offices | London, North East England, North West England, West Midlands, Yorkshire and Humberside |
