The Real Cost of Hiring Without Payroll Help in Arizona

collin land • October 23, 2025
0 minute read
HR doing payroll

For small business owners in Arizona, growth often starts with hiring. Bringing on that first employee, or expanding your team, can be exhilarating. But many entrepreneurs underestimate what comes next: the complex world of payroll. From tax withholding and reporting to worker classification and compliance with state and federal rules, payroll is one of the most detail-driven areas of running a business.


While handling payroll yourself may seem like a way to save money, the truth is that mistakes can cost far more than outsourcing to an experienced accounting partner. Misclassifying workers, missing deadlines, or miscalculating taxes can lead to penalties, audits and even legal disputes.


The Risks of Worker Misclassification

One of the most common and costly errors small businesses face is misclassifying workers. Many employers assume it’s easier to label a worker as an “independent contractor” rather than an “employee.” Contractors don’t require payroll tax withholdings, unemployment insurance contributions or workers’ compensation coverage. However, if the IRS or Arizona Department of Economic Security determines that your worker should have been classified as an employee, the penalties can include:


  • Back payroll taxes for both employer and employee shares
  • Interest and late payment penalties
  • Liability for unpaid unemployment insurance and workers’ compensation premiums
  • Possible wage claims for benefits employees should have received


In Arizona, regulators are paying more attention to worker status, particularly in industries like construction, hospitality and home services. One misclassified worker could easily result in tens of thousands of dollars in back payments and penalties.


Payroll Tax Errors Add Up Quickly

Payroll isn’t just writing checks. Employers are responsible for properly calculating, withholding and remitting a range of taxes. These include:


  • Federal income tax withholding
  • Social Security and Medicare contributions (FICA)
  • Federal Unemployment Tax (FUTA)
  • Arizona state income tax withholding
  • Arizona unemployment insurance contributions


Each has its own rules, deadlines and forms. If you miss a filing or underpay even a small amount, penalties begin accruing immediately. The IRS, for example, imposes penalties ranging from 2% to 15% of the underpaid amount, depending on how late the deposit is. On top of that, interest compounds until the debt is fully paid.


Small employers juggling payroll on their own often underestimate the time it takes to stay on top of changing tax rules and due dates. Missing just one quarterly filing can snowball into months of stress, financial strain, and hours spent dealing with tax agencies.


Compliance Is More Than Just Taxes

Payroll compliance also includes a variety of other regulations designed to protect employees. Arizona small businesses must adhere to:


  • Minimum wage laws: Arizona’s minimum wage is higher than the federal rate, and it increases annually based on inflation.
  • Overtime rules: Employers must properly calculate overtime pay for non-exempt employees.
  • Wage reporting: Employers must file new hire reports with the state.
  • Recordkeeping: Payroll records must be maintained for specific periods in case of audits.


Failing to follow these rules can result in state or federal investigations, lawsuits and reputational harm. Even well-intentioned employers can make mistakes, especially as employment laws evolve year to year.


The Hidden Cost of DIY Payroll

Many small business owners take on payroll because they think they can’t afford outside help. But consider the hidden costs:


  • Time lost: Hours spent calculating withholdings, filing forms and reconciling reports could be spent growing your business.
  • Stress and risk: Worrying about whether you did things correctly is a drain on your focus and energy.
  • Penalties and interest: Even small errors can cost thousands of dollars.
  • Employee trust: Mistakes in paychecks or late payments erode employee morale and trust in your leadership.


When you add these factors together, the “savings” of DIY payroll often vanish. Professional payroll support not only saves time but also reduces risk.


Why Outsourcing Makes Sense for Phoenix Businesses

Working with a professional accounting team for bookkeeping and payroll brings confidence and peace of mind. An experienced partner can:


  • Accurately classify workers and guide you through classification requirements
  • Handle all payroll tax calculations, filings and payments
  • Monitor Arizona’s annual minimum wage increases and other local requirements
  • Maintain precise records to protect you in case of audits
  • Offer guidance on employee benefits, withholdings and retirement contributions


Instead of scrambling to keep up with regulations, you can rely on specialists who know the Arizona landscape and federal requirements inside and out.


Transition Planning: From DIY to Professional Payroll

Transitioning to professional payroll support can be seamless. The right accounting team will review your current process, correct any errors and put systems in place to ensure accuracy moving forward.


Our team at H&H Accounting can help your business avoid costly mistakes and keep your employees paid accurately and on time. Call us at (480) 561-5805 to schedule a consultation and discover how professional payroll support can save your business money and stress. 

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