Welcome To United Directory Systems

Helping businesses connect with more customers for over three decades now. We bring you closer to the information you need.

Our Products

The trusted name in Database Marketing Software Solutions

We have been compiling comprehensive databases & giving our clients easy access to these listings since 1987. Our flagship product Australia On Disc is a product that has stood the test of time due to our uncompromising policies on quality & affordability. Since it’s inception is has gained a reputation as one of the most popular business marketing tools and in fact many businesses rely on AOD as a core element to their business.


From the News Room

To 2018, and beyond!

To 2018, and beyond!

Announcing AOD Business 2018 Final Edition and AOD Corporate 2018 Final Edition United Directory Systems (UDS) has just launched the 2018 Editions of our Business and Corporate database applications. You can now get the freshest business data in Australia for your...