| Advisers and Consultants: Overall | ||
| 2019 | 2018 | Company |
| 1 | 1 | Cushman & Wakefield |
| 2 | 3 | CBRE |
| 3 | 4 | Colliers International |
| 4 | 2 | JLL |
| 5 | 5 | Savills |
| 6 | Pangea Property Partners | |
| 7 | Nordanö (former Leimdörfer) | |
| 8 | 12 | Deloitte |
| 9 | 8 | Newsec |
| 10 | 7 | PricewaterhouseCoopers |
| 11 | Accenture | |
| 12 | 11 | Knight Frank |
| 12 | 9 | KPMG |
| 14 | 19 | Catella |
| 15 | 10 | EY |
| 16 | 108 Agency | |
| 17 | Swire Properties | |
| 18 | 1Partner | |
| 19 | A&L Goodbody | |
| 20 | 21 | Ober-Haus (Realia Group) |
| 21 | 17 | Sino Group |
| 22 | 22 | Akershus Eiendom |
| 23 | AB & David | |
| 23 | Accura | |
| 25 | ACORN | |
| Advisers and Consultants: Agency - Letting/sales | ||
| 2019 | 2018 | Company |
| 1 | 3 | Cushman & Wakefield |
| 2 | 1 | CBRE |
| 3 | 2 | JLL |
| 4 | 4 | Colliers International |
| 5 | 5 | Savills |
| 6 | 6 | Knight Frank |
| 7 | 8 | Newsec |
| 8 | 6 | Pangea Property Partners |
| 9 | Nordanö (former Leimdörfer) | |
| 10 | 17 | Century 21 |
| 11 | Ober-Haus (Realia Group) | |
| 12 | Akershus Eiendom | |
| 12 | Centaline... | |