Business Deduction Checklist
Every deduction you miss is cash handed directly to the IRS. Use this interactive checklist to ensure you've gathered documentation for all common LLC write-offs.
2026 Small Business Tax Deductions
📋 Basic Readiness
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Office & Administration
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The Ultimate LLC Business Deduction Guide for 2026
One of the biggest advantages of forming an LLC is the ability to deduct ordinary and necessary business expenses from your taxable income. Every dollar you deduct lowers your net profit, which directly lowers both your income tax and your self-employment tax.
However, the IRS has strict rules about what qualifies as a legitimate business expense. Use our checklist above to track your write-offs, but read below to understand the nuances of the most common deductions.
1. The Home Office Deduction
If you use a portion of your home exclusively and regularly for business, you can deduct a percentage of your rent, mortgage interest, property taxes, utilities, and internet. The space must be your principal place of business, and it cannot double as a guest bedroom or playroom.
2. Vehicle and Mileage Deductions
If you drive for business, you can deduct the cost using one of two methods: the Standard Mileage Rate (a set amount per mile driven) or the Actual Expense Method (tracking every gas receipt, repair, and depreciation). You must keep a detailed mileage log regardless of the method you choose.
3. Meals and Travel
Business travel expenses (flights, hotels, Uber) are generally 100% deductible if the trip is primarily for business. Business meals with clients or employees are typically 50% deductible. You cannot deduct the cost of your daily lunch if you are just working alone at your desk.
4. Software, Subscriptions, and Marketing
Every tool you use to run your business—from website hosting (like AWS or Vercel) to productivity software (Notion, Slack), to advertising (Google Ads, Facebook Ads)—is 100% deductible.