Duties Online registered users
| Name | Document type | ELNO | Suburb |
|---|---|---|---|
| OHM Australia | Declaration of trust | Malvern | |
| Olsen & Carter | Declaration of trust | Horsham | |
| Olver And Mccarthy | Declaration of trust | Lake Wendouree | |
| Omega Accounting & Taxation Services | Declaration of trust | Craigieburn | |
| Omitax Pty Ltd | Declaration of trust | Parramatta | |
| Omni Business & Accounting Solutions | Declaration of trust | Ballarat | |
| On Track Accounting Solutions | Declaration of trust | Mentone East | |
| On-The-Ball Business Services | Declaration of trust | Chelsea | |
| One Accounting Corporation Pty Ltd | Declaration of trust | Five Dock | |
| One Managed Investment Funds Ltd | Declaration of trust | Sydney | |
| One Minute Tax | Declaration of trust | Truganina | |
| One2One Accountants & Business Advisers | Declaration of trust and land transfer | Mildura | |
| Onebrella Financial Pty Ltd | Declaration of trust | Mulgrave | |
| Onefocus Accountants Pty Ltd | Declaration of trust | Melbourne | |
| Origin Tax & Accounting | Declaration of trust | Mount Waverley | |
| Osborne & Osborne | Declaration of trust and land transfer | 
|
Seymour |
| OST Accountants | Declaration of trust | Oakleigh | |
| OTM Accountants & Business Advisors | Declaration of trust | Hadfield | |
| Otway Accounting | Declaration of trust | Deans Marsh | |
| OUK Legal | Declaration of trust | Footscray |
