Year-End Tax Planning Checklist for Small Businesses

Here's a truth most people learn too late: by the time you sit down to file your taxes, almost every chance to lower the bill has passed. The real savings happen with moves you make before December 31. This checklist walks through the year-end steps that make the biggest difference for small businesses.

1. Review your income and profit

Start with a clear picture of where your year landed. Pull an up-to-date Profit & Loss so you know your taxable profit before year-end — everything else builds on this. (Clean books make this a five-minute task instead of a nightmare.)

2. Time your income and expenses

If you use cash-basis accounting, you have some control over timing. Buying supplies or paying for a needed service in December instead of January accelerates the deduction into this year. Delaying an invoice so payment lands in January can push that income to next year. Done deliberately, this shifts your taxable profit into the year where it helps most.

3. Max out retirement contributions

Contributing to a SEP-IRA, Solo 401(k) or SIMPLE IRA reduces your taxable income and builds your retirement — one of the biggest legal tax reducers available to business owners. Some plans must be established before year-end, so don't wait.

4. Buy needed equipment

If you were going to purchase equipment, a vehicle, or technology anyway, doing it before year-end can let you deduct much or all of the cost this year through Section 179 or bonus depreciation. The key phrase is needed — don't spend a dollar to save a quarter, but time purchases you were already planning.

5. Review your entity and owner pay

Year-end is a good time to check whether your structure still fits. If your profit has grown, an S-corp election might save on self-employment tax next year. If you're already an S-corp, confirm your reasonable salary and distributions are set correctly.

6. Clean up your books

Reconcile your accounts, categorize stray transactions, and make sure every deduction is captured. Missing receipts and uncategorized expenses are missed deductions. This is also when to gather what you'll need for filing — our tax prep checklist covers it.

7. Estimate your liability

With profit in view, project what you'll owe and make sure your estimated payments cover it — topping up the final quarter if needed to avoid penalties. No surprises in April.

Your year-end checklist

• Pull a current Profit & Loss and know your profit
• Time income and expenses deliberately
• Fund retirement accounts
• Make planned equipment purchases
• Review entity choice and owner compensation
• Reconcile and clean up the books
• Project your tax and true-up estimates

Year-end planning is exactly where a proactive tax pro earns their fee many times over. If you'd like a plan tailored to your business before December 31, our tax planning service is built for it — and we serve businesses across Middle Tennessee.