Leaving your office cleaning up to someone else is a leap of faith. You may be wondering how you can know whether or not you can trust a company. When you hire a commercial cleaning service you need to trust them not only to clean your office properly but to take care of the valuables in your office as well. If you have never hired a cleaning service before and are a bit nervous about it, here are some tips that will help you to discover if you can trust a cleaning service.