PHILLIP THOMAS O'BRIEN
ABN details
| ABN | 55 170 201 284 |
|---|---|
| ABN status | Active from 27 January 2025 |
| Entity name | PHILLIP THOMAS O'BRIEN |
| Entity type | Individual/Sole Trader |
| GST | Registered from 23 June 2026 |
| Deductible gift recipient | No |
| Main business location | South Australia 5051 · Other businesses in 5051 |
| Suburbs in postcode | Blackwood, Coromandel Valley, Craigburn Farm, Hawthorndene |
| Local government area | Mitcham |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| Groundwork Solutions SA | Registered · from 9 January 2026 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- Groundwork Solutions SA
Names recorded against this ABN in the ABR extract.
Summary
PHILLIP THOMAS O'BRIEN is an Individual/Sole Trader with ABN 55 170 201 284, located in South Australia 5051. The ABN is active since 27 January 2025.
It is registered for GST from 23 June 2026. It trades under another name: “Groundwork Solutions SA”.
It holds one registered business name with ASIC, including “Groundwork Solutions SA”.
Postcode 5051 covers Blackwood, Coromandel Valley, Craigburn Farm, Hawthorndene in the Mitcham local government area.
Frequently asked questions
What is the ABN of PHILLIP THOMAS O'BRIEN?
The ABN of PHILLIP THOMAS O'BRIEN is 55 170 201 284.
Is the ABN of PHILLIP THOMAS O'BRIEN active?
Yes. ABN 55 170 201 284 is active since 27 January 2025.
Is PHILLIP THOMAS O'BRIEN registered for GST?
Yes, registered for GST since 23 June 2026.
What business names does PHILLIP THOMAS O'BRIEN use?
Registered business names: Groundwork Solutions SA.
Where is PHILLIP THOMAS O'BRIEN located?
Its main business location is in South Australia, postcode 5051.