CONSTANTINE TASTZIDIS
ABN details
| ABN | 89 719 068 917 |
|---|---|
| ABN status | Active from 1 July 2000 |
| Entity name | CONSTANTINE TASTZIDIS |
| Entity type | Individual/Sole Trader |
| GST | Registered from 18 October 2001 |
| Deductible gift recipient | No |
| Main business location | New South Wales 2071 · Other businesses in 2071 |
| Suburbs in postcode | East Killara, Killara |
| 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 |
|---|---|
| Transition Edge | Registered · from 25 September 2025 |
| yourgrowthstrategy | Registered · from 10 August 2020 |
| CST PROPERTIES | Registered · from 19 October 2001 · NSW |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- CST PROPERTIES
- Transition Edge
- yourgrowthstrategy
Names recorded against this ABN in the ABR extract.
Summary
CONSTANTINE TASTZIDIS is an Individual/Sole Trader with ABN 89 719 068 917, located in New South Wales 2071. The ABN is active since 1 July 2000.
It is registered for GST from 18 October 2001. It trades under 3 other names, including “CST PROPERTIES”.
It holds 3 registered business names with ASIC, including “Transition Edge”.
Postcode 2071 covers East Killara, Killara in the Ku-ring-gai local government area.
Frequently asked questions
What is the ABN of CONSTANTINE TASTZIDIS?
The ABN of CONSTANTINE TASTZIDIS is 89 719 068 917.
Is the ABN of CONSTANTINE TASTZIDIS active?
Yes. ABN 89 719 068 917 is active since 1 July 2000.
Is CONSTANTINE TASTZIDIS registered for GST?
Yes, registered for GST since 18 October 2001.
What business names does CONSTANTINE TASTZIDIS use?
Registered business names: Transition Edge; yourgrowthstrategy; CST PROPERTIES.
Where is CONSTANTINE TASTZIDIS located?
Its main business location is in New South Wales, postcode 2071.