Contact Us

Contact Form

Click Here to Refer a Friend

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    I would like to refer my friend to Dr. Gareth Ho for orthodontic treatment.

    My Friend's Name (required)

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    Best Contact Person (required)
    (e.g. your friend's parent)

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    Can you tell us why you're recommending us to your friend?

    Any Additional Information? (e.g. My sister Lisa Simpson is Dr. Ho's patient)

    Click Here to Book a Free Initial Assessment

    Click here to book a Free Initial Assessment
    Free Initial Assessment only for Invisalign or Incognito treatment


    Our Address

    Suite 38, Level 3, 650 George Street, Sydney NSW 2000
    We are located in World Square Complex.
    The entrance is located on George Street (near Liverpool Street)


    Tel: (02) 9261 2121

    Fax: (02) 9261 2131

    Email: [email protected]

    Languages: English, Chinese, Korean

    Opening Hours

    Clinical Session: Wednesday & Friday (By appointment only)

    Administration Support: Monday, Tuesday & Thursday (By phone or email)

    We offer flexible appointment times (e.g. lunch time and after hours) to suit your busy schedules. By appointment only.

    ACAOO is a state-of-the-art orthodontic and orthopaedic centre especially designed and built to provide the latest technology and aesthetic products exclusively to adult patients.