I really like these guys:
Paradigm Pest Management Pty Ltd
T/a Twinspectors
PO Box 676 Annerley 4103
PH: 07 3848 6426
email:
[email protected]
I've used them about 8-10 times now. Their selling point is they always have two inspectors go out to the site, and they do a really neat heat map analysis on walls and ceilings as well.