Stop Possums Getting into My Roof

Haznizul requested 3 quotes from Pest Controllers in Windsor

We would like to stop possums (at least 3) from entering the roof of our 2 storey and 4 storey apartments.

Possums living in my roof that I would like removed
I have possums living in my roof that I would like removed

Removal of dead animal, maybe rat, from ducted heating unit
bad smell in house coming from ducted heating unit in hallway? vulcan heating...

Removal of possums from roof (at least 3), and stop them coming back
There are currently at least 3 possums living in our roof space. we would...