Year-End Tax Preparation: Essential Advice for Small and Medium-Sized Businesses
As a QuickBooks Pro Advisor and accounting expert serving Washington and Waukesha counties in Wisconsin, I’ve helped numerous small and medium-sized businesses prepare for year-end tax season. Here’s my advice on how to optimize your tax preparation and set your business up for success.
Get Your Books in Order
The most critical step for year-end tax preparation is having accurate, up-to-date books. I can’t stress this enough – good bookkeeping is the foundation for all your financial planning and budgeting. Aim to have your books current through at least the third quarter (September 30th). This allows you to accurately estimate revenue for the final months and make informed tax planning decisions.
Consider Your Accounting Method
For some businesses, especially those dealing with gift certificates or prepaid services, switching from cash to accrual accounting can be beneficial. Switching from Cash to Accrual in a service business that experiences a surge in gift certificate sales during the holidays would level out and defer revenue in an accrual system. In doing so, it could help you manage your tax liability more effectively. You’d recognize revenue when the service is provided rather than when the gift certificate is sold.
Avoid Common Year-End Mistakes
Many business owners rush to spend money on equipment at year-end to reduce tax liability. While this can provide short-term benefits, it often creates cash flow issues. Instead, consider alternatives like contributing to Health Savings Accounts (HSAs) or making IRA contributions. Employee reimbursement programs for mileage, internet, adoption, child care, and other fringe benefits are expenses that benefit the workforce. I’d rather see you pay yourself or invest in your future.
Distinguish Between Personal and Business Expenses
When it comes to separating personal and business expenses, I always tell my clients to consider what they’d be comfortable defending if an IRS agent asked them. This is why it’s important to work with a Tax Professional. A Tax Professional basically studies what the IRS deems as a legitimate business expense from the perspective of the IRS. Home office vs remote office and their deductions come in a variety of legal ways to utilize expenses. By working with a Tax Professional, you find out the correct law that applies to your business situation.
Leverage Technology for Expense Tracking
I always recommend QuickBooks for its efficiency and comprehensive features. However, if you’re a smaller business with fewer transactions, a well-maintained Excel spreadsheet can also work. Whichever tool you use, keep digital copies of all receipts, use detailed memos to document business purposes for expenses, and regularly reconcile your accounts.
Address Payroll Discrepancies
Pay close attention to potential payroll discrepancies, particularly regarding unemployment insurance rates. The Wisconsin Department of Workforce Development (DWD) typically sends out notices about unemployment insurance rates around November. Review these carefully and communicate any rate changes to your payroll processor to ensure they’re applied correctly to your first payroll of the new year.
Optimize Tax Deductions in the Final Quarter
To make the most of your tax deductions:
- Update your bookkeeping to ensure all financials are current and accurate
- Create a budget for the upcoming year
- Consult with your tax advisor about getting a tax provision – an estimate of your year-end tax liability
- Consider making strategic investments or contributions before year-end
Don’t wait until March or April to know your tax numbers. Getting a tax provision early allows you to plan effectively and avoid surprises.
Remember, while these tips provide a solid foundation, every business is unique. For personalized advice tailored to your specific situation, consider consulting with a local QuickBooks Pro Advisor or tax professional in Washington or Waukesha County.
By following these steps, you’ll not only be well-prepared for tax season but also gain valuable insights into your business’s financial health, allowing you to make informed decisions for future growth and success.

