You can also search Google and read reviews.

I'm afraid if you don't get a handle on it or let them go with a referral it could be detrimental to your business and could quite possibly lead to negative google reviews. 

I have reviewed their properties which is in line with the type of assets I like to own for cash flow. 

The problem is that most sellers aren't comfortable reviewing purchase and sale agreements.

Here is a solid example you can adapt for a joint venture (there are differences, beyond just nomenclature, for a partnership and a joint venture): https://templatelab.com/joint-venture-agreement/Again, I would caution use of this document without a professional to review it.

Quote from @Chris Seveney: @Ryan KohenIt’s gotten some pretty bad reviews here on BPDo you like it or have an alternative ? 

Ensure they have good review history.

Than a review is done to ferret out the criminals who maybe hide in this group. 

If you are really in Portland, you're going to have to really review the eviction requirements because it's known as a tenant-friendly locale. 

I’ve seen mixed reviews.