Quality Control

No company likes to lose good, young talent, certainly not service companies, which typically are labor intensive. For a service organization, quality control of employee attitude and performance is pretty much the equivalent of product quality control for a manufacturer.
Increase customer loyalty.
Gain repeat business.
Gain new customers from referrals.
Maintain or improve your position in the market.
Improve safety.
Reduce liability risks.
Contribute to overall positive branding of your product.