Small Business
Common Small-Business Deductions People Overlook
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Most small-business owners know about the big deductions — rent, payroll, inventory. It's the smaller, everyday costs that quietly slip through and add up to real money left on the table. Below are legitimate business expenses that are commonly overlooked, along with the records that support them.
The golden rule: A deduction is only as good as your ability to substantiate it. For every item here, keep a receipt and a short note of the business purpose.
If you use part of your home regularly and exclusively for business, a portion of related costs may be deductible. Owners often forget this applies to a dedicated workspace even in a modest home — the key words are "regular" and "exclusive" use.
Mileage driven for business — client visits, supply runs, bank trips — can add up quickly. The habit that makes this claimable is a simple mileage log noting the date, purpose, and distance of each trip.
Monthly subscriptions are easy to forget precisely because they're small and automatic. Accounting software, design tools, cloud storage, and website hosting are ordinary business expenses worth tracking.
Courses, industry certifications, books, and trade publications that maintain or improve skills for your current business are commonly missed. Keep the receipt and note how the material relates to your work.
Monthly account fees, wire charges, and the percentage every card processor takes are genuine costs of doing business. Because they're deducted automatically from your accounts, they rarely generate a receipt you think to save — but your statements capture them.
Expenses incurred before you officially opened — market research, initial supplies, professional setup fees — may be deductible under specific rules. New owners often don't realize pre-launch spending can count.
Liability coverage, professional insurance, and the fees for licenses or permits your business requires are ordinary expenses that are easy to overlook when they're paid once a year.
Notice the common thread — every overlooked deduction is really an overlooked record. Owners who capture receipts and categorize transactions throughout the year (see our bookkeeping habits article) rarely miss these, because the expense is already sitting in their books waiting to be claimed.
A note on this article. Whether a specific expense is deductible depends on the rules that apply to your business and how the expense is used. This is general educational information, not tax advice. Consult a qualified professional before claiming deductions.