November and December represent the last window of the tax year — a genuine opportunity for Louisville small business owners to make decisions that reduce their 2026 tax liability before the books close. Most of these moves require action before December 31; waiting until January means you’ve lost the opportunity entirely.
Here are the most important year-end tax planning moves for Louisville Kentucky small businesses in 2026.
Why Year-End Tax Planning Matters for Louisville Business Owners
Tax planning isn’t just about what you owe — it’s about shifting timing, maximizing deductions, and making investment decisions that align with your tax situation. A Louisville business owner who takes these moves seriously can reduce their tax bill by thousands of dollars compared to one who simply files whatever their bookkeeper produces in February.
The caveat: these are general principles, not personalized tax advice. Your specific situation — business structure, revenue level, deductions, state-specific factors — determines which moves apply. Work with a qualified Louisville CPA or tax professional for personalized guidance. See our Louisville accounting services guide if you don’t yet have a trusted tax professional.
Accelerate Deductible Expenses Into 2026
If your business will be profitable in 2026 and you expect lower income in 2027, pulling deductible expenses into this year reduces your current-year tax liability. Consider:
- Prepaying January expenses in December — rent, insurance premiums, subscriptions, and certain service contracts may be prepayable
- Buying needed equipment or supplies before December 31 — under Section 179, Louisville businesses can deduct the full cost of qualifying equipment in the year of purchase rather than depreciating it over years
- Paying employee bonuses before year-end — deductible in the year paid for cash-basis businesses
Section 179 and Bonus Depreciation
Section 179 allows Louisville businesses to deduct the full purchase price of qualifying equipment and software in the year of purchase, up to the annual limit. If your business needs equipment — computers, vehicles, machinery, office furniture — buying before December 31 instead of January 2 can shift a significant deduction into the current tax year. Consult your accountant for current 2026 Section 179 limits and phase-out thresholds.
Maximize Retirement Contributions
Self-employed Louisville business owners and small business owners have several retirement account options that create tax deductions while building personal wealth:
- SEP-IRA — allows contributions up to 25% of net self-employment income; can be funded after year-end for the prior year
- Solo 401(k) — higher contribution limits than SEP-IRA for many self-employed individuals; the elective deferral component must be elected by December 31 even if the contribution can be made later
- SIMPLE IRA — for small businesses with employees; must be established by October 1 of the plan year
Review Your Business Structure
Year-end is a natural time to evaluate whether your business structure is still optimal. LLC vs. S-Corp status, in particular, has meaningful tax implications at various income levels. An S-Corp election can reduce self-employment tax for businesses with sufficient net income — but it also creates payroll requirements and administrative complexity. A Louisville CPA can model the comparison for your specific income level.
Get Business Records and Bookkeeping Current
If your books are behind, November is the time to catch up — not February when your accountant needs them. Current books give you visibility into your actual year-to-date tax position and make the year-end planning conversations with your accountant actually productive.
Louisville Business Resources
Find Louisville accounting and tax professionals at the Kentucky Business Directory. For digital marketing support to help your Louisville business grow into 2027, see Digital Ad Xpert. Read our Louisville business funding guide for capital options as you plan for the new year. Year-end tax planning is one of the highest-ROI hours a Louisville small business owner can spend in November — schedule the conversation with your accountant now, not December 28.
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