Historical details for ABN 54 166 545 140Version: 9.9.7

ABN details help
Entity name From To
WILLIAMSON, DAVID HULL 16 Jul 2010 (current)
WILLIAMSON, DAVID CHRISTIAN HULL 16 Jul 2001 16 Jul 2010
ABN Status From To
Active 28 May 2021 (current)
Cancelled 29 Apr 2021 28 May 2021
Active 02 Mar 2009 29 Apr 2021
Cancelled 17 Jun 2004 02 Mar 2009
Active 16 Jul 2001 17 Jun 2004
Entity type
Individual/Sole Trader
Goods & Services Tax (GST) From To
Cancelled 01 Jul 2018 (current)
Registered 01 Jul 2017 30 Jun 2018
Main business location From To
VIC 3008 28 Nov 2025 (current)
VIC 3136 28 May 2021 28 Nov 2025
VIC 3039 04 Jan 2017 28 May 2021
VIC 3040 15 Oct 2014 04 Jan 2017
NSW 2541 11 Sep 2014 15 Oct 2014
NSW 2541 02 Mar 2009 11 Sep 2014
NSW 2541 20 Jul 2001 02 Mar 2009
Business name(s) help
A business name is the registered name a business operates under. Businesses need to register their business name on the national Business Names Register if the business operates with a different name to their own. To learn more visit the ASIC Website External site.
Business name From To
iEnglishworld External site 14 Aug 2026 (current)
iEducationworld External site 07 Nov 2014 21 Mar 2019
Audio Bookroom External site 13 Dec 2013 20 Dec 2015
Trading name(s) help
The ABR stopped collecting and updating trading names in May 2012. Businesses now register their business name on the national Business Names Register. To learn more visit the ASIC Website External site.
Trading name From To
David H Williamson 02 Mar 2009 (current)
DWENTERPRISE 31 Jul 2001 02 Mar 2009
DWENTERPRISES 20 Jul 2001 31 Jul 2001
  • ABN last updated: 14 Aug 2026
  • Record extracted: 08 Oct 2026

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