When a company decides to outsource its payroll, it gains several advantages such as cost savings, increased accuracy, compliance with regulations, and enhanced data security. The company needs to provide specific information to the vendor for a smooth outsourcing process. This includes employee details like names, addresses, social security numbers, salary information, tax deductions, benefits, and any other relevant data required for payroll processing. Additionally, the company may need to share organizational details, bank account information for direct deposits, and any specific payroll policies or procedures unique to the company. By ensuring all necessary information is accurately communicated to the vendor, the company can streamline its payroll processes and focus on core business activities.