If you are an employee who has been working for a company for a while and feel that you deserve a raise, it is important to know how to request a raise in ADP. ADP is a payroll and human resources management system used by many companies, and understanding how to use it to request a raise can help you get the salary you deserve. Knowing how to request a raise in ADP can also help you understand the process and timeline for when you can expect to receive a response from your employer.