You'll want a title company/closing attorney who understands how to do this correctly.

For perspective, last April I closed on a new construction loan (build to rent) with a turnkey company there (Rent to Retirement).

They tend to stay to themselves, not a lot of company or complaints. 

I collaborate with large custodian companies.

However, many lenders and insurance companies are tightening restrictions and premiums for these types of properties.

Are you intentionally looking to outsource the management and day to day operations to a management company versus self-managing? 

My wife has focused entirely on residential real estate but now that I am a BDM for a PM company she is also expanding into helping investors. 

Another option is setting up a legitimate virtual office through companies that specialize in meeting Google’s requirements—just make sure they provide suite numbers and not P.O. boxes. 

I have spoken to both a mortgage banker and a modular cabin company and explained our situation.

The suburbs have a number of good PM companies, but due to the low price points and rents, and the nightmare of dealing with the city and courts there, most of the good property managers in the general area won't touch Baltimore.