Background check on Australian residents

[Lori Schaffer]

Hello friends, I have a tenant application from a married couple from Australia. The husband is a U.S. national with an SSN. His wife is Australian, and does not have a U.S. SSN. He has a work history in the U.S. but has spent the last 3 years in Australia. How do I do a background check on them?

Is there a background check agency in Australia. I have been using TenantTracks for background checks for U.S. applicants.  

Any advice will be helpful!