DAVID JOHN BRENNAN
ABN details
| ABN | 48 396 762 924 |
|---|---|
| ABN status | Active from 1 July 2015 |
| Entity name | DAVID JOHN BRENNAN |
| Entity type | Individual/Sole Trader |
| GST | Registered from 10 July 2025 |
| Deductible gift recipient | No |
| Main business location | Victoria 3146 · Other businesses in 3146 |
| Suburbs in postcode | Glen Iris, Tooronga |
| Local government area | Boroondara |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| BRENNAN IP ADVICE | Registered · from 11 July 2025 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- BRENNAN RESEARCH
- BRENNAN IP ADVICE
Names recorded against this ABN in the ABR extract.
Summary
DAVID JOHN BRENNAN is an Individual/Sole Trader with ABN 48 396 762 924, located in Victoria 3146. The ABN is active since 1 July 2015.
It is registered for GST from 10 July 2025. It trades under 2 other names, including “BRENNAN RESEARCH”.
It holds one registered business name with ASIC, including “BRENNAN IP ADVICE”.
Postcode 3146 covers Glen Iris, Tooronga in the Boroondara local government area.
Frequently asked questions
What is the ABN of DAVID JOHN BRENNAN?
The ABN of DAVID JOHN BRENNAN is 48 396 762 924.
Is the ABN of DAVID JOHN BRENNAN active?
Yes. ABN 48 396 762 924 is active since 1 July 2015.
Is DAVID JOHN BRENNAN registered for GST?
Yes, registered for GST since 10 July 2025.
What business names does DAVID JOHN BRENNAN use?
Registered business names: BRENNAN IP ADVICE.
Where is DAVID JOHN BRENNAN located?
Its main business location is in Victoria, postcode 3146.