Paychex, Inc. is a recognized leader in the payroll, human resource, and benefits outsourcing industry. Paychex now has more than 14,000 employees serving more than half a million small- to medium-sized businesses nationwide. Paychex serves approximately 650,000 payroll clients as of May 31, 2018 across more than 100 locations and pays one out of every 12 American private sector employees. The company offers an ever-growing variety of payroll and human resource products and services that help clients do what they do best — run their business. With a wide range of services – including payroll processing, retirement services, insurance, and a fully outsourced human resource solution – Paychex customizes its offering to the client's business, whether it is small or large, simple or complex.