I have clean various is properties including commercial and and domestic for over the passed 20 years. Im very trust trustworthy. And thorough. I can give you references if needed I hold many keys to properties. How ever a safemaster is recommended. Ive never had bad feed back on a clean in my life. Each job i take on it is suited to my client. I do both General House cleans and commercial cleaning for minimum for 2 hours. I do charge extra for using my own products ect