WILLIAM CHRISTIAN KOSWIG
ABN details
| ABN | 34 341 328 734 |
|---|---|
| ABN status | Active from 8 February 2025 |
| Entity name | WILLIAM CHRISTIAN KOSWIG |
| Entity type | Individual/Sole Trader |
| GST | Registered from 26 August 2025 |
| Deductible gift recipient | No |
| Main business location | Victoria 3151 · Other businesses in 3151 |
| Suburbs in postcode | Burwood East, Burwood Heights |
| Local government area | Whitehorse |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| WCK Maintenance Services | Registered · from 19 February 2026 |
| Kozlec Electrical Services | Registered · from 4 March 2025 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- Kozlec Electrical Services
- WCK Maintenance Services
Names recorded against this ABN in the ABR extract.
Summary
WILLIAM CHRISTIAN KOSWIG is an Individual/Sole Trader with ABN 34 341 328 734, located in Victoria 3151. The ABN is active since 8 February 2025.
It is registered for GST from 26 August 2025. It trades under 2 other names, including “Kozlec Electrical Services”.
It holds 2 registered business names with ASIC, including “WCK Maintenance Services”.
Postcode 3151 covers Burwood East, Burwood Heights in the Whitehorse local government area.
Frequently asked questions
What is the ABN of WILLIAM CHRISTIAN KOSWIG?
The ABN of WILLIAM CHRISTIAN KOSWIG is 34 341 328 734.
Is the ABN of WILLIAM CHRISTIAN KOSWIG active?
Yes. ABN 34 341 328 734 is active since 8 February 2025.
Is WILLIAM CHRISTIAN KOSWIG registered for GST?
Yes, registered for GST since 26 August 2025.
What business names does WILLIAM CHRISTIAN KOSWIG use?
Registered business names: WCK Maintenance Services; Kozlec Electrical Services.
Where is WILLIAM CHRISTIAN KOSWIG located?
Its main business location is in Victoria, postcode 3151.