As of 2025-10-29, the EV/EBITDA ratio of Greenbrook TMS Inc (GTMS.TO) is -9.02. EV/EBITDA ratio is calculated by dividing the enterprise value by the TTM EBITDA. GTMS.TO's latest enterprise value is 178.93 mil CAD. GTMS.TO's TTM EBITDA according to its financial statements is -19.83 mil CAD. Dividing these 2 quantities gives us the above GTMS.TO EV/EBITDA ratio.
Note: valuation result may not be accurate due to the company's negative EBITDA.
| Range | Selected | |
| Trailing P/E multiples | 6.9x - 9.2x | 8.0x |
| Forward P/E multiples | 4.6x - 10.4x | 7.5x |
| Fair Price | (11.61) - (13.78) | (12.44) |
| Upside | -1297.0% - -1520.4% | -1382.0% |
| Date | EV/EBITDA |