If you run your business as an S corporation, you’re probably both a shareholder and an employee. As such, the corporation pays you a salary that reflects the work you do for the business — and you (and your company) must remit payroll tax on some or all of your wages.
Many businesses use independent contractors to keep payroll taxes and fringe benefit costs down. But using outside workers may result in other problems. The IRS often questions businesses about whether workers should be classified as employees or independent contractors for federal employment tax purposes.