2025 Small Business Tax Deductions: What You Should Claim

While paying taxes is inevitable, smart business owners take full advantage of tax deductions to reduce what they owe. Understanding which expenses qualify as deductions helps small business owners shrink their tax liability and reinvest that cash into growing their company.

This guide on tax deductions for small business owners will walk you through how to maximize deductions, from understanding their importance to identifying the most common deductions. We’ll also uncover frequent filing mistakes to avoid and guide you on how to file your small business taxes like a pro.

What Are Tax Deductions?

Tax deductions are direct business expenses that are subtracted from total revenue to determine your business’s taxable income. By deducting eligible expenses, you lower the amount of business income subject to taxation, effectively reducing your overall income tax burden.

 

Small business tax deductions cover a broad range of actual expenses, from operational costs to employee benefits, software, and rent. However, not all expenses qualify. To be tax deductible, the expense must be both common in your industry and necessary for running your business.

Why You Should File For Tax Deductions

Filing for business tax write-offs directly impacts your business’s bottom line by lowering the amount of taxable income. This means a business earning $200,000 in revenue but claiming $50,000 in deductions will only be taxed on $150,000 of income. This will reduce your total tax liability, leading to some pretty big savings.

 

For example, a boutique jewelry store that invests in display cases, inventory management software, and social media advertising deducts these costs as business expenses. The boutique owner files these as tax deductions because each cost directly contributes to the business. Neglecting to claim deductions means possibly missing out on substantial tax savings — that means losing extra cash to put toward expansion, hiring employees, investing in marketing, or upgrading software and technology.

Five Deductions You Can File For

1. Operational equipment

Essential equipment is one of the top tax write-offs for small businesses — as long as the item costs less than $2,500. Common tax-deductible operational equipment includes office supplies, computers, printers, and furniture, such as office chairs and sofas.

 

If your equipment is more than $2,500, you’ll need to report it as equipment depreciation. This gradually adjusts the value of the equipment over its lifespan. For example, a specialty coffee shop that invests in a commercial-grade espresso machine purchased for $8,000 deducts its cost over multiple years instead of all at once. This strategy helps offset profits year over year, making business tax planning more predictable.

2. Software

Many small businesses rely on software to streamline operations and conduct business, from accounting tools to customer management systems. Under Section 179 of the IRS tax code, subscription-based software, including cloud-based inventory management, point-of-sale (POS) systems, and e-commerce platforms, is fully deductible as a necessary business expense.

 

If your business purchases software outright for less than $2,500 and uses that platform less than 50% of the time, that purchase qualifies for depreciation deductions similar to physical equipment.

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3. Employee benefits

Providing a strong benefits package not only attracts and retains top talent, but also reduces your income tax. Businesses offering health insurance benefits, retirement accounts, and wellness programs will deduct the costs associated with these programs. Now you can hire the best while saving money in the process.

 

For example, a brick-and-mortar bookstore that provides health insurance to full-time employees deducts the cost of premiums. Similarly, contributions to an employee retirement plan, such as a 401(k), are also deducted, providing long-term financial incentives for both the business and its workforce.

4. Rent

If your business leases its storefront, office, or warehouse, your rent payments are also fully eligible for tax deduction. This applies to retail shops, professional service offices, and storage facilities used solely for business operations. Tax planning for entrepreneurs includes claiming their home office expenses as well, if that’s where you conduct business most of the time.

 

Let’s put this into practice. A gourmet bakery renting a storefront for customers and a separate commercial kitchen claims rent payments for both locations as deductible expenses. Similarly, a cell phone accessories distribution facility writes off rented warehouse space as well as the rented office a mile down the road.

5. Marketing expenses

Advertising and marketing costs are necessary for growth and brand visibility. Paid advertising, marketing agency or freelancer costs, influencer partnership fees, and website maintenance are all write-offs. If you print flyers, business cards, and promotional swag, these office supplies count as tax-deductible items.

 

Nearly everything you need for a marketing campaign is a write-off. Take a local home décor shop. If your marketing manager decides to run Meta and Google ad campaigns for your end-of-summer clearance sale, you deduct the cost of ad placements and the costs of making the ad itself, like hiring a photographer and graphic designer.

Common Filing Mistakes To Avoid

Filing for deductions helps small businesses save money, but small mistakes lead to missed savings, penalties, or, in a worst-case scenario, an IRS audit. To maximize deductions, here are some common filing mistakes to watch out for:

  • Not staying up to date on tax changes and new credits: Tax laws are frequently updated, and missing out on new deductions or credits results in overpaying. On the flipside, missing an update that affects something you wrote off in prior years may affect future filings. Small business owners should monitor tax rule updates or work with a tax professional to stay informed.

     

  • Failing to update records in a timely manner: Poor bookkeeping leads to missed deductions, inaccurate filings, and potential audits. Keep digital records with well-organized business expense tracking receipts. Regularly updating financial statements ensures every expense is properly recorded.

     

  • Missing important deadlines: Failing to file business taxes on time results in penalties and unnecessary fees. Each month you’re late, the IRS will implement a Failure to File penalty of 5% for each month that you’re late. If you’re just one day late, that counts as a full month. Setting calendar reminders and working with a tax advisor helps avoid costly delays. While 5% sounds small, it’ll add up quicker than you think.

     

  • Mixing personal and business records: Using a dedicated business bank account and credit card simplifies record-keeping and ensures expenses are correctly categorized. Blurring the line between personal bank accounts and business bank accounts will increase the chance that you’ll be audited, a time-consuming and expensive process.

     

  • Incorrect expense categorization: Don’t play the guessing game when it comes to your taxes. Misclassifying expenses leads to tax filing errors, which results in delays and sometimes penalties or an audit. You should refer to IRS guidelines, use online software, and seek professional advice to categorize expenses correctly.

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How To File Deductions

Confirm the correct tax filing for your business

Before you claim deductions, it’s crucial to understand how your business entity affects your tax filing requirements. Ensuring you use the correct forms helps maximize your tax savings while staying compliant with IRS regulations.

  • Sole proprietors and single-member LLCs typically report income and deductions on Schedule C (Form 1040). Unsure if this is you? If you’re a freelancer, independent contractor, solo entrepreneur, or self-employed business owner, you’re considered a sole proprietor or a single-member LLC. 

  • Partnerships and multi-member LLCs file Form 1065, distributing deductions to partners via Schedule K-1. If you run a small business with one or more partners, your company is considered a partnership or multi-member LLC in the eyes of the IRS.

  • Corporations, on the other hand, use Form 1120 (C corporations) or Form 1120-S (S corporations) to report income and tax write-offs. C Corporations are larger businesses or startups with outside investors, as they issue unlimited stock and retain earnings for growth but face double taxation. S Corporations, on the other hand, are usually small to mid-sized businesses trying to avoid double taxation. They do this by passing profits and losses directly to shareholders while meeting IRS restrictions on ownership.

Keep accurate records

Maintaining detailed records is essential for substantiating your deductions. For three to seven years after filing, keep all expense receipts, invoices, asset documentation, and bank statements related to deductible business expenses, as the IRS may request documentation in the event of an audit. Digital record-keeping tools, such as accounting software or cloud-based storage, help organize expenses efficiently for your business tax return. The more precise your records, the easier it will be to reduce taxable business income and claim all eligible deductions.

Consult with a professional

Still feel overwhelmed with taxes? A certified public accountant (CPA) or tax professional provides small business tax tips and invaluable guidance when filing deductions. They help identify often-overlooked business expenses, ensure compliance with tax laws, and optimize a small business tax strategy. While hiring a tax professional comes with a cost, their expertise often leads to greater savings in the long run, making it a worthwhile investment for your business.

Maximize Your Tax Savings

Taking advantage of small business tax deductions is one of the most effective ways to reduce your business’s tax burden. By keeping accurate financial records, staying informed, and consulting with tax professionals, you can ensure you’re maximizing tax savings.

 

Claiming deductions isn’t just about lowering your tax bill each tax year — it’s about reinvesting in your business’s future. Whether you’re upgrading equipment, providing health insurance, or increasing your marketing, the money saved through proper business expense tax reduction strategies fuels long-term success.

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