| # | Entity | Status | State |
|---|---|---|---|
| 1 | 21 681 460 177 SOUTHERN ECHOES MUSIC CENTRE PTY LTD |
ABN Active | NSW 2018 |
| 2 | 26 990 541 393 Echo Music Group INC |
ABN Active | NSW 2115 |
| 3 | 34 646 625 381 ECHO MUSIC INSTITUTE PTY LTD |
ABN Active | NSW 2067 |
| 4 | 39 485 946 918 The Trustee for Echo Tone Music Unit trust |
ABN Active | VIC 3166 |
| 5 | 60 682 494 355 ECHO FORTE MUSIC PTY LTD |
ABN Active | VIC 3012 |
| 6 | 86 122 188 630 ECHO MUSIC MANAGEMENT PTY LTD |
ABN Cancelled | NSW 2026 |
| 7 | 13 970 779 052 HANA MEGAN WILLIAMS ECHO MUSIC |
ABN Active | NSW 2618 |
| 8 | 54 076 322 550 A SZPRINC & E ZAMAGNI Echo Music Consulting and Management |
ABN Cancelled | VIC 3149 |
| 9 | 13 970 779 052 HANA MEGAN WILLIAMS ECHO MUSIC THERAPY |
ABN Active | NSW 2618 |
| 10 | 66 906 077 910 KELI STEWART AZURE ECHO MUSIC |
ABN Active | QLD 4575 |