Australian Engineered Stone Advisory Group (AESAG)


The applicants are Australian Engineered Stone Advisory Group (AESAG) whose members comprise of suppliers of engineered stone. AESAG’s current members are Caesarstone Australia Pty Ltd, Smartstone Australia Pty Ltd and WK Marble & Granite Pty Ltd, who supply approximately 77% of engineered stone in Australia.

AESAG is seeking authorisation for 10 years on behalf of itself, future members and other suppliers of engineered stone to:

  • adopt industry accreditation standards for fabricators and stonemasons (Fabricators) working with engineered stone (Accreditation Standards),
  • seek to require Fabricators, to whom Members supply engineered stone, to comply with health and safety practices under the "model" work health and safety (WHS) laws when working with the engineered stone in order to achieve accreditation, and
  • consider whether to refuse to supply engineered stone where Fabricators do not meet the Accreditation Standards (Proposed Conduct).

AESAG has requested interim authorisation for the Proposed Conduct.

The ACCC is currently undertaking public consultation on this application for authorisation and interim authorisation. Submissions are due by 22 January 2019. Further information on the application and on how to provide a submission to the ACCC can be found in the documents below.

The ACCC will progress its assessment of the application in a timely manner. An indicative timetable is set out below for your information.

29 November  2019

Lodgement of application and supporting submission.

5 December 2019

Public consultation process begins.

22 January 2020

Closing date for submissions from interested parties on interim authorisation and the substantive application.

January / February 2020

Applicant responds to issues raised in the public consultation process.

February 2020

ACCC decision regarding interim authorisation

March 2020

ACCC draft determination.

March / April 2020

Public consultation on draft determination including any conference if called.

May / June 2020

Final determination.


  • Smartstone Australia Pty Ltd
  • Caesarstone Australia Pty Ltd
  • WK Marble & Granite Pty Ltd

Authorisation number(s)

  • AA1000461-1