OnPay is a payroll and HR software company that helps small businesses manage their payroll, benefits, and HR. The company was founded in 2011 and is headquartered in Atlanta, Georgia. OnPay offers a cloud-based platform that allows businesses to easily manage their payroll and HR tasks, including tax filings, employee benefits, and time tracking. The company's platform is designed to be user-friendly and affordable, making it a popular choice for small businesses.