@Eduardo1230
Please note there is also a community for Portugese language, check "globe" icon at top of this page.
Answer:
They are called "property managers" , managing large number of accommodations on renting platforms, like Airbnb. If on a non-commercial base and only managing a few local proporties, they are called co-hosts. There is no list of it, but if you search on Airbnb for accommodation in your area, you will find some of them.
best regards,
Emiel