CONSTANTINE TSAMBOS
ABN details
| ABN | 75 636 385 043 |
|---|---|
| ABN status | Active from 3 April 2026 |
| Entity name | CONSTANTINE TSAMBOS |
| Entity type | Individual/Sole Trader |
| GST | Not registered (cancelled 30 June 2006) |
| Deductible gift recipient | No |
| Main business location | New South Wales 2256 · Other businesses in 2256 |
| Suburbs in postcode | Blackwall, Horsfield Bay, Koolewong, Little Wobby, Patonga, Pearl Beach, Phegans Bay, Wondabyne, Woy Woy, Woy Woy Bay |
| Local government area | Central Coast (NSW) |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| BOS Advisors | Registered · from 14 April 2026 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- BOS Advisors
Names recorded against this ABN in the ABR extract.
Summary
CONSTANTINE TSAMBOS is an Individual/Sole Trader with ABN 75 636 385 043, located in New South Wales 2256. The ABN is active since 3 April 2026.
It is not currently registered for GST. It trades under another name: “BOS Advisors”.
It holds one registered business name with ASIC, including “BOS Advisors”.
Postcode 2256 covers Blackwall, Horsfield Bay, Koolewong, Little Wobby, Patonga and nearby suburbs in the Central Coast (NSW) local government area.
Frequently asked questions
What is the ABN of CONSTANTINE TSAMBOS?
The ABN of CONSTANTINE TSAMBOS is 75 636 385 043.
Is the ABN of CONSTANTINE TSAMBOS active?
Yes. ABN 75 636 385 043 is active since 3 April 2026.
Is CONSTANTINE TSAMBOS registered for GST?
No, it is not currently registered for GST, so its invoices should not charge GST.
What business names does CONSTANTINE TSAMBOS use?
Registered business names: BOS Advisors.
Where is CONSTANTINE TSAMBOS located?
Its main business location is in New South Wales, postcode 2256.