Introduction: MassPay provides small and mid-sized businesses with a cloud-based HR & payroll solution to help them streamline process and stay in compliance with ACA and other legislation and optimize their workforce. We are known for exceptional, personalized service. MassPay also provides services like 401K, COBRA and FSA administration, background checks, Workers Comp and other business insurance, HR/Payroll consulting via our ASO service and much more!