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Small business & self-employment
Organizing Your Small Business Tax Records
Good business records make it easier to identify income, support deductions, and ask the right questions. Start with source documents, then flag items that need a tax discussion.
Begin with gross income
Start by gathering records that show how the business was paid. Depending on the business, this may include invoices, sales reports, payment-platform statements, merchant-processor reports, 1099 forms, bookkeeping reports, bank deposits, and checks received. A single form rarely tells the entire story, especially when customers pay through more than one platform.
Keep the detail behind a yearly summary. A spreadsheet or bookkeeping report is helpful, but the underlying invoices, statements, and transaction history help explain the numbers if a question arises. Separating business and personal accounts can make this process easier, but business records are still needed even when transactions are mixed.
Organize deductions with support
Deductions should be supported by records that show what was purchased, when, how much was paid, and the business purpose. Common categories include supplies, software, professional services, advertising, insurance, rent, utilities, phone or internet costs, and fees. A receipt alone is not always enough if the business purpose is not obvious, so a brief note can be useful.
Do not overlook larger purchases. Computers, equipment, furniture, tools, and other assets may need to be handled differently from routine expenses. Keep the invoice, date placed in service, financing information if any, and the estimated business-use percentage. Myrmid Tax will review whether an item may be currently deductible, depreciated, or subject to another rule.
Track travel and vehicle use carefully
Business travel can include transportation such as flights, trains, rental cars, lodging, and qualifying non-entertainment meals when the travel is away from your tax home and has a genuine business purpose. Personal portions are not business deductions, and meals are generally subject to limits. Keep dates, destinations, receipts, attendees when relevant, and the business reason for the trip.
For a vehicle used in a business, maintain a mileage log showing the date, destination, business purpose, and miles driven. Depending on the facts, a business may use the standard mileage method or actual expenses. When a vehicle has both personal and business use, only the business portion may be deductible. Parking and toll records may also matter.
Know the business structure
The form a business files depends on its federal tax classification, not simply the name it uses. A sole proprietor commonly reports business activity on Schedule C with an individual return. A C corporation generally files Form 1120, and an S corporation generally files Form 1120-S. Partnerships generally file Form 1065. A limited liability company can be treated differently for federal tax purposes depending on its ownership and elections.
This is one reason a preparer needs to understand the entity, owners, payroll, bookkeeping, and any changes during the year. Bring formation documents, election letters if available, prior-year returns, and any correspondence that helps identify the filing position.
Turn records into a useful tax conversation
Do not guess when a transaction is unclear. Flag it. A short list of questions about personal versus business use, missing receipts, travel, assets, estimated payments, or entity changes is more helpful than silently assigning a category. Myrmid Tax will use the records and facts of your business to discuss what information is needed and whether the requested work is a good fit.
Organized records do not guarantee a deduction, but they give you and your preparer a stronger foundation for evaluating the return.
Sources and further reading
General educational information. Your records and circumstances determine the advice appropriate for you.
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