Mangrove Employer Services is a 17+ year old HR/payroll company with over 2,000 customers that offers a full suite of HR/payroll and benefits administration solutions including HRIS/HRMS, payroll, benefits management, recruitment, onboarding, self-service, and reporting. Their solution utilizes a single database approach for employee records and includes features like future/effective dating, unlimited history storage, scalability, customized security and roles, and dedicated account management.