How to Prep for Q4 Estimated Taxes Without Stress

September often sneaks up on small business owners. With summer winding down, many forget that Q4 planning starts now and not in December. Taking time to review your books now means fewer surprises, lower penalties and more peace of mind heading into year-end.

Why Quarterly Estimates Matter: Quarterly estimated tax payments are required for most small business owners, freelancers and anyone who doesn’t have taxes automatically withheld. Missing or underpaying can lead to penalties and cash flow stress.

Checklist for September Prep:

1. Review your year-to-date numbers.

   • Run a Profit & Loss report in QuickBooks (or your bookkeeping system).

   • Compare income vs. what you’ve already set aside for taxes.

2. Adjust for seasonal shifts.

   • If your business slows down or ramps up in Q4, plan your cash flow now.

   • This prevents scrambling in December when payments are due.

3. Set aside tax reserves.

   • Use your YTD numbers to project your Q4 payment.

   • Move those funds into a separate account so they’re ready when needed.

4. Track deductions early.

   • Mileage, software subscriptions, office expenses — don’t wait until January to catch up.

   • Tools like MileIQ or digital receipt apps can make this easier.

   
   

Conclusion: A little prep in September can save you big headaches in January. By reviewing your numbers, planning for seasonal shifts and tracking deductions now, you’ll walk into Q4 with confidence.

Need help reviewing your books or planning your estimated tax payments? Hamm Accounting is here to make it simple. Reach out today!

Written by Erika Crowe, Office Manager/Accounting Asssistance, Hamm Accounting Firm LLLP