| # | Entity | Status | State |
|---|---|---|---|
| 1 | 63 092 776 719 HELEN HALLEY CONSERVATION PTY LTD |
ABN Cancelled | SA 5000 |
| 2 | 30 740 544 901 HELEN DAY Helen Day Paper Conservation |
ABN Active | NSW 2785 |
| 3 | 63 083 840 724 HLCD PTY LTD HELEN LARDNER CONSERVATION & DESIGN |
ABN Active | VIC 3127 |
| 4 | 78 036 041 195 HELEN GILL Helen Gill Art Conservation |
ABN Active | VIC 3057 |