WILLEM ALBERTUS KOCH
ABN details
| ABN | 48 426 513 289 |
|---|---|
| ABN status | Active from 5 February 2025 |
| Entity name | WILLEM ALBERTUS KOCH |
| Entity type | Individual/Sole Trader |
| GST | Not registered |
| Deductible gift recipient | No |
| Main business location | New South Wales 2768 · Other businesses in 2768 |
| Suburbs in postcode | Glenwood, Parklea, Stanhope Gardens |
| Local government area | Blacktown |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| QUARTERMAINE SERVICES | Registered · from 8 February 2025 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- QUARTERMAINE SERVICES
Names recorded against this ABN in the ABR extract.
Summary
WILLEM ALBERTUS KOCH is an Individual/Sole Trader with ABN 48 426 513 289, located in New South Wales 2768. The ABN is active since 5 February 2025.
It is not currently registered for GST. It trades under another name: “QUARTERMAINE SERVICES”.
It holds one registered business name with ASIC, including “QUARTERMAINE SERVICES”.
Postcode 2768 covers Glenwood, Parklea, Stanhope Gardens in the Blacktown local government area.
Frequently asked questions
What is the ABN of WILLEM ALBERTUS KOCH?
The ABN of WILLEM ALBERTUS KOCH is 48 426 513 289.
Is the ABN of WILLEM ALBERTUS KOCH active?
Yes. ABN 48 426 513 289 is active since 5 February 2025.
Is WILLEM ALBERTUS KOCH registered for GST?
No, it is not currently registered for GST, so its invoices should not charge GST.
What business names does WILLEM ALBERTUS KOCH use?
Registered business names: QUARTERMAINE SERVICES.
Where is WILLEM ALBERTUS KOCH located?
Its main business location is in New South Wales, postcode 2768.