| # | Entity | Status | State |
|---|---|---|---|
| 1 | 36 883 178 012 Westpac Group Alumni |
ABN Active | NSW 2000 |
| 2 | 48 100 950 632 Westpac Group Investments Australia Pty Limited |
ABN Cancelled | NSW 2000 |
| 3 | 50 000 326 312 WESTPAC FINANCIAL SERVICES GROUP PTY LIMITED |
ABN Active | NSW 2000 |
| 4 | 60 502 862 566 WESTPAC GROUP STAFF CLUB INC |
ABN Active | SA 5042 |
| 5 | 36 883 178 012 Westpac Group Alumni WESTPAC GROUP ALUMNI |
ABN Active | NSW 2000 |
| 6 | 50 000 326 312 WESTPAC FINANCIAL SERVICES GROUP PTY LIMITED WESTPAC FINANCIAL SERVICES GROUP LIMITED |
ABN Active | NSW 2000 |
| 7 | 33 007 457 141 WESTPAC BANKING CORPORATION THE WESTPAC GROUP |
ABN Active | NSW 2000 |