The strong point of Brothers Cleaning Services is that they are trustworthy. They can be thorough, but it depends on the staff person, as some are more thorough than others. Their special services folks that they send out approved to do a special job are excellent. Overall, I rate them fairly highly. I've been doing this kind of work for a couple of companies for over 30 years now, and I have had other services, but they're the best I've had.