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

General enquiries:

Client Support Links

Client Feedback

Complaints & Feedback

HDAA Careers

Contact The Team Directly

Human Services Victoria

Disability Employment Services 

ISO 9001:2015

Nicola Agnew

Dental Services Accreditation

Diagnostic Imaging Accreditation Scheme

National Safety and Quality in Health Care

National Standards for Mental Health Services

Sonia Serong

National Disability Insurance Scheme

Marc Gehrmann

Human Services Queensland

Disability Employment Services 

ISO 9001:2015

Lisa Esaias


Finance & Accounts

Peter Prendergast