CONSTANTINE SIEFF
Entity Overview
CONSTANTINE SIEFF is an Individual/Sole Trader registered in Queensland. The ABN was registered on the 23 July 2013 and is currently registered for GST and has been since the 1 January 2026.
Australian Business Register (ABR) Last updated: 28 May 2026
ABN
11 043 581 465
Status
since 23 July 2013
Active
Entity type
Individual/Sole Trader
GST registration
Since 1 January 2026
Registered
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