ADP, Paychex, SurePayroll and OnPay offer online payroll services to companies of all sizes. All of these services also prepare and file the required payroll taxes on behalf of the company, according to their official websites. Customer support personnel are available via telephone, email or live chat.
Each payroll service website enumerates the company's individual strengths. ADP's online services process payroll and provide real-time reporting to a variety of mobile devices. The Paychex Flex service imports payroll data online and produces customized downloadable PDF reports. Employees and accountants can access payroll information online. PayrollCenter.com's OnPay service charges one monthly fee for unlimited payroll runs. SurePayroll does not charge a setup fee and offers free walkthroughs to customers.