ROBERT DAMIEN SIEMENSMA
ABN details
| ABN | 76 237 716 509 |
|---|---|
| ABN status | Active from 4 January 2012 |
| Entity name | ROBERT DAMIEN SIEMENSMA |
| Entity type | Individual/Sole Trader |
| GST | Not registered (cancelled 30 June 2012) |
| Deductible gift recipient | No |
| Main business location | Victoria 3352 · Other businesses in 3352 |
| Suburbs in postcode | Addington, Ballarat Roadside Delivery, Barkstead, Blowhard, Bolwarrah, Bonshaw, Brewster, Bullarook, Bungaree, Bunkers Hill, Burrumbeet, Cambrian Hill and 50 more |
| Local government area | Ballarat |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| CORNERSTONE CIVIL ENGINEERING | Registered · from 6 June 2026 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- Cornerstone Civil Engineering
- CORNERSTONE CIVIL ENGINEERING
Names recorded against this ABN in the ABR extract.
Summary
ROBERT DAMIEN SIEMENSMA is an Individual/Sole Trader with ABN 76 237 716 509, located in Victoria 3352. The ABN is active since 4 January 2012.
It is not currently registered for GST. It trades under 2 other names, including “Cornerstone Civil Engineering”.
It holds one registered business name with ASIC, including “CORNERSTONE CIVIL ENGINEERING”.
Postcode 3352 covers Addington, Ballarat Roadside Delivery, Barkstead, Blowhard, Bolwarrah and nearby suburbs in the Ballarat local government area.
Frequently asked questions
What is the ABN of ROBERT DAMIEN SIEMENSMA?
The ABN of ROBERT DAMIEN SIEMENSMA is 76 237 716 509.
Is the ABN of ROBERT DAMIEN SIEMENSMA active?
Yes. ABN 76 237 716 509 is active since 4 January 2012.
Is ROBERT DAMIEN SIEMENSMA registered for GST?
No, it is not currently registered for GST, so its invoices should not charge GST.
What business names does ROBERT DAMIEN SIEMENSMA use?
Registered business names: CORNERSTONE CIVIL ENGINEERING.
Where is ROBERT DAMIEN SIEMENSMA located?
Its main business location is in Victoria, postcode 3352.