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Fully Accredited Alcohol Interlock Systems
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State Interlock Programs/Schemes

Discover Each Australian State & Territory’s Alcohol Interlock Programs and Schemes. In Australia, each state provides direction on how interlock programs operate. Important factors can differ between states, click here to learn more about the rules for each Australian state & territory’s Alcohol Interlock Programs and Schemes.

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Private Interlock Systems

Find Out How to Install a Private Alcohol Interlock System. If you are looking for a new Private Interlock System for your employees, follow the link below to learn more about the products available to get you started.

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About Us

Guardian Interlock manages alcohol interlock programs/schemes on behalf of various state transport authorities in Australia and offers Interlock solutions to safety conscious businesses and individuals.

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Service Centres

Guardian Interlock has a vast network of Service Centres across Australia for interlock installation, interlock services and interlock removal. To find your nearest Service Centre, click on your state of residence.

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Service Centre Login

Login to access Guardian’s Service Centre portal to order stock or access Documentation. If you do not know you login please contact us.

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News
May 21, 2018

Download the new app now !!!

The new Guardian app will help you when you are on the go. Finding you nearest service centre or help with your interlock messages is now at your fingertips !!

Latest News

May 30, 2026

Alcohol Interlock Installation & Servicing in Newcastle and the Central Coast

Looking for a trusted alcohol interlock provider in Newcastle or the Central Coast? Guardian Interlock has you covered with accredited service centres across the Hunter region and Central Coast. If you've recently…
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April 28, 2026

Work, Parenting and an Interlock Condition: How to Manage Your Time

Having an alcohol interlock condition can feel overwhelming, especially when you are juggling work, school runs and family commitments. You may worry about being late to appointments, getting stuck at a service…
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March 26, 2026

Living With an Alcohol Interlock: Practical Tips for Day‑to‑Day Driving

If you have been ordered onto an alcohol interlock program, we know it can feel overwhelming at first. There is a lot to take in, and the idea of blowing into a…
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