OnPay combines over 30 years of experience with the latest Internet technology to save small business owners both time and money. "It's an easy, quick, mobile-friendly system that doesn't require a steep learning curve,"​ according to Entrepreneur's list of the best small business payroll solutions. Pay employees, automate tax payments and filings, and rely on OnPay's guarantee that filings will be error free. For $36 plus $4 per employee, get unlimited pay runs for hourly, salaried, tipped workers, and contractors. You can even add HR, 401k as well as benefits or workers comp in all 50 states.