Prose Building Maintenance Ltd. has built its reputation and success on a second-to-none quality control program

All cleaners are carefully screened and trained, including instruction in fire safety; occupational health and safety practices, and, most imporatnt of all, WHIMIS (Worksafe Hazardous Materials Information System)
A working supervisor monitors the cleaning and ensures WHMIS compliance by visits both on a scheduled and unanncounced basis.  Preformance is rewarded through a bonus system
A commincations book is maintained on the premises in order to facilate communications between the customer and the cleaners.
A supervisor can be reached 24 hours a day through an emergency telephone number 
A senior supervisor makes regular visits to the customer's premises during regular business hours to liaise with the customer and make sure their needs are being met 
Each monthly invoice provides a quick checklist for the customer to provide comments and requests