10 Tax Deductions Every Founder Should Know

Tax deductions are one of the most powerful tools available to founders, yet many leave significant money on the table simply because they do not know what qualifies. As a business owner, nearly every legitimate expense incurred to operate and grow your business can reduce your taxable income. Understanding these deductions is not about gaming the system; it is about accurately representing the true cost of running your company.

The home office deduction is one of the most valuable for remote founders. If you use a dedicated space in your home regularly and exclusively for business, you can deduct a portion of your rent or mortgage, utilities, insurance, and maintenance costs. The simplified method allows a flat $5 per square foot deduction, up to 300 square feet, for a maximum of $1,500. The regular method can yield a larger deduction but requires detailed record-keeping. Software subscriptions are another commonly missed deduction. Every SaaS tool you use for your business, from project management to accounting software, is fully deductible.

Travel and meals deserve careful attention. Business travel expenses, including flights, hotels, rental cars, and ride-shares, are fully deductible when the primary purpose of the trip is business-related. Business meals are 50% deductible when you are meeting with clients, partners, or prospects and business is discussed. Keep records of who you met with and what was discussed. Equipment and technology purchases, from laptops to monitors to office furniture, can be deducted either immediately through Section 179 or depreciated over time. For most founders, the Section 179 immediate deduction is more advantageous.

Health insurance premiums are deductible for self-employed individuals, including medical, dental, and vision coverage for you and your family. This deduction is taken directly on your personal return and reduces your adjusted gross income. Professional development costs, including courses, conferences, books, and coaching related to your business, are fully deductible. Marketing and advertising expenses, from Google Ads to social media promotion to business cards, are also fully deductible in the year they are incurred.

Do not overlook vehicle expenses if you use your car for business. You can either deduct actual expenses (gas, insurance, maintenance, depreciation) or use the standard mileage rate, which is 67 cents per mile for 2025. Keep a mileage log to substantiate your deduction. Finally, banking and payment processing fees, legal and accounting services, and business insurance premiums are all deductible. The key is maintaining organized records throughout the year. Use your CapyBank account to tag and categorize expenses as they happen, and you will be well-prepared when tax season arrives.