PAYROLL SERVICES allows you to concentrate on your core business! If you are not ready to hire immediately, but need the help and would like the opportunity to evaluate the new employee prior to committing to full time, payroll service is your answer. After you interview and make the decision this candidate is a good fit for your businesss, ESI will take over from there and handle social security verification, Worker's compensation, state unemployment, federal taxes, insurance deductions and W-2 issues. It's that simple!