MAXWELL JOHN HOPKO
ABN details
| ABN | 64 865 130 781 |
|---|---|
| ABN status | Active from 31 July 2026 |
| Entity name | MAXWELL JOHN HOPKO |
| Entity type | Individual/Sole Trader |
| GST | Not registered |
| Deductible gift recipient | No |
| Main business location | South Australia 5167 · Other businesses in 5167 |
| Suburbs in postcode | Port Noarlunga, Port Noarlunga South |
| Local government area | Onkaparinga |
Source: ABR ABN Bulk Extract, 4 November 2026. Verify on ABN Lookup.
Registered business names (ASIC)
| Business name | Status · registered · state |
|---|---|
| KEYSTONE PRACTICE CO | Registered · from 13 August 2026 |
| Keystone Specialist Support | Registered · from 4 August 2026 |
Source: ASIC Business Names Dataset (data.gov.au), CC BY 3.0 AU.
Business & trading names
- Keystone Specialist Support
Names recorded against this ABN in the ABR extract.
Summary
MAXWELL JOHN HOPKO is an Individual/Sole Trader with ABN 64 865 130 781, located in South Australia 5167. The ABN is active since 31 July 2026.
It is not currently registered for GST. It trades under another name: “Keystone Specialist Support”.
It holds 2 registered business names with ASIC, including “KEYSTONE PRACTICE CO”.
Postcode 5167 covers Port Noarlunga, Port Noarlunga South in the Onkaparinga local government area.
Frequently asked questions
What is the ABN of MAXWELL JOHN HOPKO?
The ABN of MAXWELL JOHN HOPKO is 64 865 130 781.
Is the ABN of MAXWELL JOHN HOPKO active?
Yes. ABN 64 865 130 781 is active since 31 July 2026.
Is MAXWELL JOHN HOPKO registered for GST?
No, it is not currently registered for GST, so its invoices should not charge GST.
What business names does MAXWELL JOHN HOPKO use?
Registered business names: KEYSTONE PRACTICE CO; Keystone Specialist Support.
Where is MAXWELL JOHN HOPKO located?
Its main business location is in South Australia, postcode 5167.