JOHN RONALD KAROUBAS
ABN details
| ABN | 33 198 480 764 |
|---|---|
| ABN status | Active from 21 September 2025 |
| Entity name | JOHN RONALD KAROUBAS |
| Entity type | Individual/Sole Trader |
| GST | Not registered (cancelled 1 July 2026) |
| Deductible gift recipient | No |
| Main business location | South Australia 5061 · Other businesses in 5061 |
| Suburbs in postcode | Hyde Park, Malvern, Unley, Unley Bc, Unley Dc, Unley Park |
| Local government area | Unley |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| Ionic Investigations | Registered · from 29 December 2025 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- Ionic Investigations
Names recorded against this ABN in the ABR extract.
Summary
JOHN RONALD KAROUBAS is an Individual/Sole Trader with ABN 33 198 480 764, located in South Australia 5061. The ABN is active since 21 September 2025.
It is not currently registered for GST. It trades under another name: “Ionic Investigations”.
It holds one registered business name with ASIC, including “Ionic Investigations”.
Postcode 5061 covers Hyde Park, Malvern, Unley, Unley Bc, Unley Dc and nearby suburbs in the Unley local government area.
Frequently asked questions
What is the ABN of JOHN RONALD KAROUBAS?
The ABN of JOHN RONALD KAROUBAS is 33 198 480 764.
Is the ABN of JOHN RONALD KAROUBAS active?
Yes. ABN 33 198 480 764 is active since 21 September 2025.
Is JOHN RONALD KAROUBAS registered for GST?
No, it is not currently registered for GST, so its invoices should not charge GST.
What business names does JOHN RONALD KAROUBAS use?
Registered business names: Ionic Investigations.
Where is JOHN RONALD KAROUBAS located?
Its main business location is in South Australia, postcode 5061.