Professional Advantage is a United States software company that was founded in 1989, and offers a software title called 1Staff. 1Staff is human resources software, and includes features such as benefits management, compensation management, compliance management, employee database, onboarding, payroll management, performance appraisal, recruiting management, self service portal, time off management, training management, time & attendance management, performance management, and 360 degree feedback. With regards to system requirements, 1Staff is available as SaaS software. Costs start at $10000.00/one-time. 1Staff includes business hours support. Some alternative products to 1Staff include Workzoom by Nortek Solutions, People, and WebHR.