| North America | ||
| Advisors and Consultants: Overall | ||
| 2018 | 2017 | Company |
| 1 | 2 | Cushman & Wakefield |
| 2 | 3 | JLL |
| 3 | 1 | CBRE |
| 4 | 5 | Real Capital Analytics |
| 5= | 4 | Deloitte |
| 5= | 8 | PricewaterhouseCoopers |
| 7 | 7 | Colliers International |
| 8 | 9 | EY |
| Advisors and Consultants: Agency - Letting/Sales | ||
| 2018 | 2017 | Company |
| 1 | 1 | Cushman & Wakefield |
| 2 | 3 | JLL |
| 3 | 2 | CBRE |
| 4 | 13 | Colliers International |
| Advisors and Consultants: Legal Services | ||
| 2018 | 2017 | Company |
| 1 | 1 | DLA Piper |
| 1 | 4 | Fried Frank |
| 3 | 2 | Dentons |
| 4 | Ice Miller | |
| 5= | Nassau | |
| 5= | Rogin | |
| Advisors and Consultants: Property Value | ||
| 2018 | 2017 | Company |
| 1 | 1 | CBRE |
| 2 | 2 | Cushman & Wakefield |
| 3 | 3 | JLL |
| Advisors and Consultants: Research | ||
| 2018 | 2017 | Company |
| 1 | 1 | CBRE |
| 2 | 3 | JLL |
| 3 | 6 | Cushman & Wakefield |
| 4 | 2 | Real Capital Analytics |
| Advisors and Consultants: Taxation and Services | ||
| 2018 | 2017 | Company |