Dead animal smell coming from wall or floor or roof

Stephan requested 2 quotes from Pest Controllers in Mona Vale

Have dead animal smell coming from wall or floor or roof ?? getting worse last few days

Remove a Possum from the roof and secure it so that no more can enter.
We have a resident Possum in the roof. The roof is only a few years old -...

Dead possum ? in roof
We think we have a dead possum (?) behind walkin wardrobe/roof upstairs