MARK GAVIN OLSEN
ABN details
| ABN | 50 828 682 667 |
|---|---|
| ABN status | Active from 17 September 2025 |
| Entity name | MARK GAVIN OLSEN |
| Entity type | Individual/Sole Trader |
| GST | Registered from 1 November 2025 |
| Deductible gift recipient | No |
| Main business location | New South Wales 2779 · Other businesses in 2779 |
| Suburbs in postcode | Hazelbrook |
| Local government area | Blue Mountains |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| Mark G Olsen Psychology | Registered · from 17 September 2025 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- Mark G Olsen Psychology
Names recorded against this ABN in the ABR extract.
Summary
MARK GAVIN OLSEN is an Individual/Sole Trader with ABN 50 828 682 667, located in New South Wales 2779. The ABN is active since 17 September 2025.
It is registered for GST from 1 November 2025. It trades under another name: “Mark G Olsen Psychology”.
It holds one registered business name with ASIC, including “Mark G Olsen Psychology”.
Postcode 2779 covers Hazelbrook in the Blue Mountains local government area.
Frequently asked questions
What is the ABN of MARK GAVIN OLSEN?
The ABN of MARK GAVIN OLSEN is 50 828 682 667.
Is the ABN of MARK GAVIN OLSEN active?
Yes. ABN 50 828 682 667 is active since 17 September 2025.
Is MARK GAVIN OLSEN registered for GST?
Yes, registered for GST since 1 November 2025.
What business names does MARK GAVIN OLSEN use?
Registered business names: Mark G Olsen Psychology.
Where is MARK GAVIN OLSEN located?
Its main business location is in New South Wales, postcode 2779.