
Learn about payroll taxes, your responsibilities, and how to calculate. FICA tax is an employee and employer tax, meaning you and your employee The Social Security wage base is $, ($, in ). Company First Name Last Name Phone Mobile Email Street. City State/Province Zip Country Description. No. of Employees: Lead Source. --None--, Email, Call. How do post-tax reimbursements impact payroll? Below, you'll find a basic employer tax calculator designed to help you answer these questions, among many.