It’s all about the sense of security you get against theft and crime at the end of the day. The presence of a security guard at a business can provide the business owner, employees, and customers with peace of mind and a sense of security. Employees who work in high-risk environments are more productive and easier to retain when they are not concerned about safety. It also shows customers that you care about their safety and will go to great lengths to ensure it. This is especially important for businesses selling high-end goods or located in high-crime areas.