| # | Entity | Status | State |
|---|---|---|---|
| 1 | 31 671 349 429 OSA-ONE STEP AUSTRALIA PTY LTD. |
ABN Active | VIC 3132 |
| 2 | 42 152 920 664 OSA ENTERPRISES AUSTRALIA PTY LTD |
ABN Cancelled | QLD 4216 |
| 3 | 72 179 175 950 The Trustee for OSA ONLY STUDY IN AUSTRALIA |
ABN Active | QLD 4000 |
| 4 | 73 439 732 505 Carmel Fatima College OSA Australia |
ABN Active | NSW 2763 |
| 5 | 63 152 300 612 WARREN MICHAEL HUGGETT OSA AUSTRALIA |
ABN Active | NSW 2230 |
| 6 | 99 649 878 249 ALEJANDRA PAOLA ALVAREZ PINZON OSA - ONE STEP AUSTRALIA |
ABN Active | VIC 3132 |