8.	Keep the kitchen and bathrooms clean. Mice and rat can fit into any opening, and cockroaches are very adaptive even if you have a system to control pests in the office. This is when you need to call professional pest control management especially if you don’t have regular plumbing maintenance. You will earn a bad reputation among clients and customers if you have dirty, pest-infested kitchens or bathrooms, so make sure to have a good pest control system in place.