Contact Us

We take our commitment to our clients seriously. If you need any help with assessment or certification or you’d simply like assistance, please do not hesitate to contact us.

You can contact us using the form on this page or by any of the following methods: 


Postal Address

HDAA Australia Pty Ltd
P.O. Box 365
North Lakes
Queensland 4509

1800 601 696

Client Support Links

Client Feedback

Complaints & Feedback

HDAA Careers

Contact The Team Directly


General Enquiries

Suzanne Le Huray

Dental Services Accreditation

Diagnostic Imaging Accreditation Scheme

National Safety and Quality in Health Care

Sonia Serong

National Disability Insurance Scheme

Marc Gehrmann

Human Services Queensland

Disability Employment Services 

ISO 9001:2015

Lisa Esaias

Human Services Victoria

Disability Employment Services 

ISO 9001:2015

Nicola Agnew


Finance & Accounts

Peter Prendergast