Welcome to Utah's Primary Interlock Provider!

At A+ Interlock and Probation Services, it's our mission to provide our customers with the best possible installation experience. We strive to exceed expectations with every job we take on, delivering top-quality workmanship and exceptional customer service.

With over 20 years of experience in the ignition interlock industry, our team has the knowledge and expertise to handle all makes and models.  We stay up-to-date with the latest technologies and techniques to ensure that we're always providing the best possible service for our customers and their vehicles.

We are a local company and deal directly with our clients.  You're not just another client.  We know you by name!  Our commitment to your success is unwavering.   Visit us or call and you'll experience the difference.