Running your own company means wearing a lot of hats: owner, manager, marketer, and financial decision-maker. One area that often gets neglected is understanding the full range of small business tax deductions available to you. Overlooking these opportunities could mean paying more to the IRS than legally required. At Agorist Tax Advice, we focus on helping business owners and high-net-worth individuals legally reduce their tax burden without triggering unnecessary IRS red flags.
Below are some of the most commonly overlooked tax deductions small business owners miss and how you can take advantage of them.
Business Vehicle Expenses
Do you use your car for client meetings, supply runs, or business travel? If so, you can deduct mileage or actual expenses like gas, insurance, and maintenance. Many owners forget to log mileage or underestimate just how much driving counts as business use. By keeping a simple mileage tracker, you ensure that you’re not leaving money on the table.
Health Insurance Premiums
For self-employed business owners, health insurance premiums paid for yourself, your spouse, and your dependents may be deductible. With healthcare costs rising each year, this deduction can put thousands of dollars back into your pocket. If you run your business full-time, this is one of the most valuable small business tax deductions available.
Retirement Contributions
Funding your own retirement doesn’t just prepare you for the future, it also lowers your taxable income now. SEP IRAs, SIMPLE IRAs, and Solo 401(k)s are all powerful tools for business owners. Many entrepreneurs put off retirement planning in the early years of their business, missing out on tax savings along the way. A strong tax strategy can help you keep more of your hard-earned revenue while setting aside funds for long-term security.
Continuing Education and Training
Business owners who invest in themselves through courses, certifications, or workshops may be able to deduct these expenses. Whether it’s improving your leadership skills, learning advanced marketing techniques, or staying current in your industry, continuing education is both a business expense and a growth investment.
Software and Technology
From accounting software to productivity apps and security tools, technology expenses are often overlooked. These aren’t just operational costs, they are valid deductions that reduce taxable income. Even smaller recurring expenses, such as cloud storage or subscription tools, add up quickly across a year.
Professional Services
The cost of hiring accountants, consultants, or legal professionals is deductible as long as the advice directly relates to your business. While many business owners remember to deduct big expenses, they sometimes miss smaller ongoing services like tax planning consultations or compliance advice, both of which can significantly benefit the bottom line.
Why These Deductions Matter
Missing even one deduction means paying more to the government than you need to. For business owners generating $200,000 or more annually, overlooked deductions can represent tens of thousands of dollars in lost savings over time. A tailored tax strategy makes sure you take advantage of every opportunity to keep more of what you’ve earned.
Work With a Tax Advisor Who Gets It
Agorist Tax Advice isn’t about filing forms, we focus on strategy. Our approach helps business owners avoid unnecessary IRS attention while keeping as much money in your business and family as legally possible.
If you’re ready to uncover every small business tax deduction available to you, book a free consultation today to take the next step. Don’t leave money on the table, your business deserves a smarter tax plan.

Meet Matthew Sercely
Matthew Sercely is an attorney and the founder of Agorist Tax Advice. With over 15 years of legal experience, he helps business owners, medical professionals, and high-income individuals reduce their tax burden through proactive, year-round planning. His work focuses on practical, IRS-compliant strategies designed to help clients keep more of what they earn.
