Essential Year-End Tax Deductions for Small Businesses and Nonprofits
- Shirley Schnieders

- Nov 12, 2025
- 4 min read
Updated: Dec 2, 2025
The clock is ticking on year-end tax planning, and smart expense timing could mean the difference between a painful tax bill and real savings. One strategy many business owners miss? Prepaying certain expenses before December 31. When used correctly, it’s a powerful tool — but only if you understand the rules.
Prepaying Expenses to Maximize Deductions
Prepaying certain expenses before year-end can be a useful tax strategy, but the impact depends on whether your business uses cash-basis or accrual-basis accounting.
Under the cash method, qualifying prepaid expenses may be deductible in the year paid if they meet the IRS “12-month rule.”Under the accrual method, prepaid expenses are generally not deductible until the period to which they relate.
Examples of Prepaid Expenses
Rent: Cash-basis: Prepaying January’s rent before December 31 may be deductible this year if the payment meets IRS criteria. Accrual-basis: Only the portion relating to the current year is deductible; the rest must be recorded as prepaid rent and expensed in future periods.
Insurance premiums: Prepaying annual or semi-annual insurance policies can reduce taxable income for cash-basis taxpayers.
Supplies and inventory: Purchasing supplies before year-end can increase deductions for both methods, but inventory is generally treated under its own rules (e.g., capitalization). Supplies may be deductible when purchased if they are consumed within 12 months
Prepaying expenses requires careful planning to ensure cash flow remains stable. It’s also important to confirm with your accountant that these prepayments qualify for immediate deduction under current tax laws.
Taking Advantage of Section 179 Deduction
Section 179 allows businesses to deduct the full purchase price of qualifying equipment and software purchased or financed during the tax year. This deduction can be a powerful tool to reduce taxable income quickly.
What Qualifies?
Machinery and equipment
Computers and software
Office furniture
Certain vehicles used for business
For example, if your nonprofit buys a new computer system for $5,000 before December 31, you can deduct the entire amount instead of depreciating it over several years.
Keep in mind that Section 179 has limits on the total amount deductible and the total amount of equipment purchased. Consulting a tax professional can help you maximize this deduction.
Claiming Vehicle Expenses
Many small businesses use vehicles for deliveries, client visits, or transporting goods. Vehicle expenses can be deducted using either the standard mileage rate or actual expenses method.
What Can You Deduct?
Fuel costs
Maintenance and repairs
Insurance premiums
Lease payments or depreciation
If you plan to buy a new vehicle for business use, purchasing it before year-end can increase your deductions. Also, keeping detailed mileage logs and receipts throughout the year ensures you claim the maximum allowable amount.
Employee Benefits and Bonuses
Offering employee benefits or year-end bonuses can provide tax advantages for your business while rewarding your team.
Deductible Benefits Include
Health insurance premiums
Retirement plan contributions
Educational assistance programs
Year-end bonuses paid before December 31
For nonprofits, providing benefits can also improve employee retention and satisfaction. Just ensure that bonuses and benefits are properly documented and paid within the tax year to qualify for deductions.

Charitable Contributions
Nonprofits and small businesses can deduct charitable contributions made to qualified organizations. Making donations before year-end can reduce taxable income and support community causes.
Tips for Maximizing Charitable Deductions
Keep receipts and acknowledgment letters from charities.
Donate appreciated assets like stocks to avoid capital gains tax.
Consider sponsoring community events or programs.
Remember, the IRS requires documentation for all charitable contributions, so maintain clear records.
Home Office Deduction
If you or your employees work from home, the home office deduction can reduce taxable income. This deduction applies to a portion of your home used exclusively and regularly for business.
How to Calculate
Measure the square footage of your home office.
Calculate the percentage of your home’s total square footage.
Deduct a proportional amount of rent or mortgage interest, utilities, and maintenance.
Claiming this deduction before year-end means reviewing expenses and ensuring all qualifying costs are accounted for.
Retirement Plan Contributions
Contributing to retirement plans such as SEP IRAs, SIMPLE IRAs, or 401(k)s before year-end can reduce taxable income while building employee benefits.
Benefits of Early Contributions
Immediate tax deductions for your business.
Increased retirement savings for you and your employees.
Potential to attract and retain talent.
Check contribution limits and deadlines to ensure your payments qualify for the current tax year.
Repairs and Maintenance
Expenses for repairs and maintenance on business property or equipment can be deducted in the year they occur. Unlike improvements, repairs do not add to the asset’s value but keep it in good working condition.
Examples
Fixing a leaky roof
Servicing machinery
Painting office walls
Scheduling necessary repairs before December 31 can increase your deductions and prevent costly issues next year.
Tracking and Documenting Expenses
To claim these deductions confidently, accurate record-keeping is essential. Use accounting software or spreadsheets to track expenses, dates, and receipts.
Best Practices
Separate personal and business expenses.
Keep digital and physical copies of receipts.
Review expenses monthly to avoid last-minute surprises.
Good documentation supports your claims if the IRS requests proof during an audit.
Conclusion: Seize the Opportunity!
Year-end tax planning offers a valuable chance for small businesses and nonprofits to reduce their tax burden. By prepaying expenses, investing in equipment, managing vehicle costs, and taking advantage of employee benefits and charitable contributions, organizations can keep more of their hard-earned money.
Don’t let these opportunities slip away! Start reviewing your expenses today and make the most of the tax deductions available to you. Remember, a little planning now can lead to significant savings later.