HELEN TAN
ABN details
| ABN | 25 617 120 513 |
|---|---|
| ABN status | Active from 1 August 2001 |
| Entity name | HELEN TAN |
| Entity type | Individual/Sole Trader |
| GST | Registered from 1 April 2016 |
| Deductible gift recipient | No |
| Main business location | New South Wales 2074 · Other businesses in 2074 |
| Suburbs in postcode | Bobbin Head, North Turramurra, South Turramurra, Turramurra, Warrawee |
| Local government area | Ku-ring-gai |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| DR HELEN DEMETRIOU | Registered · from 4 October 2022 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- DR HELEN DEMETRIOU
Names recorded against this ABN in the ABR extract.
Summary
HELEN TAN is an Individual/Sole Trader with ABN 25 617 120 513, located in New South Wales 2074. The ABN is active since 1 August 2001.
It is registered for GST from 1 April 2016. It trades under another name: “DR HELEN DEMETRIOU”.
It holds one registered business name with ASIC, including “DR HELEN DEMETRIOU”.
Postcode 2074 covers Bobbin Head, North Turramurra, South Turramurra, Turramurra, Warrawee in the Ku-ring-gai local government area.
Frequently asked questions
What is the ABN of HELEN TAN?
The ABN of HELEN TAN is 25 617 120 513.
Is the ABN of HELEN TAN active?
Yes. ABN 25 617 120 513 is active since 1 August 2001.
Is HELEN TAN registered for GST?
Yes, registered for GST since 1 April 2016.
What business names does HELEN TAN use?
Registered business names: DR HELEN DEMETRIOU.
Where is HELEN TAN located?
Its main business location is in New South Wales, postcode 2074.