Sep 25, 2025
Running a business means juggling a lot of responsibilities—employees, clients, revenue, and of course, taxes. One of the best ways to protect your profits and keep more money in your business is by maximizing the tax deductions available to you. Business tax deductions are IRS-allowed expenses that reduce taxable income, ultimately lowering the amount of tax you owe. Missing out on them can directly cut into your bottom line. In this guide, we’ll cover 30+ deductions you might be overlooking, highlight common mistakes, and show you how to use deductions strategically to minimize your tax burden.
Business tax deductions—sometimes called “write-offs”—are expenses that the IRS deems both ordinary and necessary for operating your trade or business.
When claimed correctly, these deductions reduce your taxable income and, by extension, your overall tax bill.
Taxes are typically one of the largest expenses for business owners and founders. By not fully leveraging deductions:
The IRS provides clear rules for what qualifies—and staying on top of these opportunities can save thousands each year.
Deductible Examples:
Non-Deductible Examples:
Here are some of the most valuable deductions business owners should consider:
From digital ads to printed flyers and website design, the money spent to promote your business is deductible.
Monthly maintenance charges, overdraft fees, and business loan interest can all be deducted.
Generally 50% deductible when directly related to business operations. Meals during travel or client meetings may qualify.
Coverage for liability, malpractice, workers’ comp, and property insurance is fully deductible.
Choose between the standard mileage rate or actual expense method. Careful recordkeeping is essential.
If you use part of your home regularly and exclusively for business, you may be eligible.
Everyday essentials like printer ink, paper, and postage are 100% deductible.
The percentage of use for business is deductible.
Compensation to employees is fully deductible.
Accountants, attorneys, and consultants—all deductible if related to your business.
Airfare, hotels, rental cars, and 50% of meals when traveling for work.
Courses, certifications, and seminars to improve skills in your current business.
If you lease office, warehouse, or retail space, this is deductible.
Large purchases (equipment, vehicles, machinery) can be written off over time or sometimes immediately through bonus depreciation.
Expenses incurred before your business officially launches may be deductible.
Business licenses, permits, payroll taxes, and state/local taxes often qualify.
Some expenses are fully deductible with no percentage limits:
Mistakes to Avoid:
For many small business owners, the QBI deduction is one of the biggest opportunities.
Different business structures require different forms:
Best Practices:
Some costs may feel business-related but don’t qualify:
Maximizing deductions isn’t just about saving a few dollars—it’s about boosting your business’s profitability and growth. Gelt combines AI-powered tools with a dedicated CPA to make sure every possible deduction is uncovered and documented.
With Gelt, you’ll:
👉 Talk to a CPA and start maximizing your deductions today.