How do I set up payroll for employees?

How to Set Up Payroll for Employees in Arizona

Setting up payroll for your employees in Arizona involves several practical steps to ensure compliance with state and federal requirements. Proper payroll management helps you meet tax obligations, maintain accurate records, and support smooth business operations.

Step 1: Register for Employer Accounts

• Obtain an Employer Identification Number (EIN): Register with the IRS to get your EIN, which is required for payroll tax reporting.
• Register with the Arizona Department of Revenue (ADOR): Set up a withholding account to handle state income tax withholding.
• Register for Arizona Unemployment Insurance (UI): Sign up with the Arizona Department of Economic Security (DES) to manage unemployment insurance contributions.

Step 2: Classify Your Workers Correctly

Determine if your workers are employees or independent contractors. Employee classification affects payroll tax responsibilities, benefits, and reporting requirements. Misclassification can lead to penalties and compliance issues.

Step 3: Collect Employee Information

• Have employees complete Form W-4 for federal tax withholding.
• Collect Arizona Form A-4 for state income tax withholding.
• Gather necessary personal and banking information for direct deposit setup if applicable.

Step 4: Choose a Payroll System

Select a payroll processing method that fits your business size and complexity. Options include:

• Manual payroll processing (not recommended for growing businesses)
• Payroll software that automates calculations and tax filings
• Outsourcing payroll to a professional service or payroll provider

Step 5: Calculate Payroll and Deductions

Calculate gross wages, withhold federal and state income taxes, Social Security, Medicare, and any other deductions such as benefits or wage garnishments. Arizona does not have a state minimum wage higher than the federal level as of 2026, but verify current rates for compliance.

Step 6: Pay Employees and Remit Taxes

• Issue employee paychecks or direct deposits on scheduled paydays.
• Deposit withheld payroll taxes with the IRS and Arizona state agencies on time.
• File required payroll tax returns, such as IRS Form 941 quarterly and Arizona state withholding returns.

Step 7: Maintain Payroll Records

Keep detailed payroll records for at least four years. Records should include wage details, tax filings, and employee information. Accurate recordkeeping supports compliance and simplifies audits or reporting.

Additional Operational Considerations

• Workers’ Compensation Insurance: Arizona requires most employers to carry workers’ compensation insurance, which affects payroll costs.
• Overtime and Wage Laws: Ensure payroll calculations comply with federal Fair Labor Standards Act (FLSA) and Arizona wage laws.
• Automation: Automate payroll to reduce errors and save time, especially as your employee count grows.