Self-Employed & DBA Tax and Recordkeeping Tips
- Sonia Lee
- Jul 2
- 4 min read
Date: July 2, 2026
Many individuals start a business by working as self-employed, operating as an independent contractor, or using a DBA, which means "Doing Business As." This is common for consultants, online sellers, delivery drivers, contractors, service providers, professionals, and other small business owners.
While operating as self-employed or under a DBA can be a practical way to start a business, it still comes with important tax and recordkeeping responsibilities. Adequate records can help business owners support deductions, prepare accurate tax filings, and understand how the business is performing. Following there are Self-Employed DBA tax recordkeeping tips
A DBA is Not a Separate Taxpayer
A DBA is a business name used by an individual or business. It allows the owner to operate under a trade name, but it does not usually create a separate legal entity or a separate taxpayer.
For many individuals operating as sole proprietors, the business income and expenses are reported on the individual's personal tax return, typically on Schedule C for federal tax purposes. Because of this, it is important to keep accurate records of income and expenses related to the business.
Keep Business and Personal Finances Separate
One of the most important steps for a self-employed individual or DBA owner is to keep business and personal transactions separate. Even when the business is not a separate legal entity, having a separate business bank account can make recordkeeping much easier.
Mixing personal and business activity can make it difficult to identify deductible expenses, reconcile income, support tax filings, and understand whether the business is profitable.
Good practices include:
Using a separate bank account for the business activity
Depositing business income into the business account
Paying business expenses from the business account
Keeping receipts, invoices, bank statements, and payment records
Reconciling bank and credit card accounts regularly
The IRS states that business records should clearly show income, deductions, and credits, and that the recordkeeping system should summarize business transactions.
Mileage Deduction and Vehicle Expenses
Many self-employed individuals use their personal vehicle for business purposes. This may include driving to client locations, job sites, business meetings, supply stores, or other business-related destinations.
There are generally two methods for deducting business vehicle use: the standard mileage rate method or the actual expense method. Under the first method, business miles are allowed a rate of 75.5 cents per mile. Under the second method, the taxpayer tracks vehicle expenses such as gas, repair, insurance, registration, depreciation, lease payments, and other vehicle-related expenses, then deduct the business-use portion. The IRS notes that certain rules apply when choosing the standard mileage method, including that a taxpayer using the standard mileage rate for a car they own generally must choose that method in the first year the car is available for business use.
Business owners should keep a mileage log showing the date, destination, business purpose, and miles driven. Commuting from home to a regular work location is generally not deductible as a business mileage.
Phone Used for Business
Self-employed individuals who use their personal cell phone for both business and personal purposes, are only allowed to deduct the business-use portion as a business expense.
The business owners should estimate and document the business-use percentage in a reasonable way.
Equipment, Supplies, and Tools
Self-employed individuals may purchase equipment, tools, computers, printers, software, furniture, or other items used in the business. These items should be tracked carefully because the tax treatment may depend on the type of item, cost, business use, and how long the item is expected to last.
Smaller supplies may be deducted as ordinary business expenses, while larger equipment may need to be capitalized and depreciated or handled under specific tax rules. Business owners should keep purchase receipts and document how the item is used in the business.
Business Use of Home
Some self-employed individuals use part of their home for administrative work, client communication, bookkeeping, inventory storage, or other business activities. The home office deduction may be available when specific requirements are met.
The IRS explains that qualifying home office expenses may include the business portion of items such as mortgage interest, rent, utilities, insurance, depreciation, maintenance, and repairs. There are two options, the simplified option which allows you a standard deduction of $5 per square foot, up to 300 square feet, for qualifying business use of the home.
Other Common Business Expenses
Depending on the type of business, self-employed individuals and DBA owners may also have other deductible expenses. These may include business insurance, professional fees, software subscriptions, advertising, office supplies, internet used for business, education and training, bank fees, merchant processing fees, licenses, permits, business travel, and business meals.
As with any business expense, the owner should keep proper documentation and be able to show how the expense is related to the business.
Self-Employed & DBA Tax Recordkeeping Tips
Adequate tax recordkeeping is important because they help support deductions, reduce tax filing stress, and provide a clearer picture of the business. Without organized records, business owners may miss deductions, overstate expenses, underreport income, or spend extra time and money reconstructing transactions later.
Important records may include:
Bank and credit card statements
Invoices and receipts
Mileage logs
Phone bills and business-use calculations
Home office measurements and related expenses
Equipment and supply receipts
Sales records and payment processor reports
Loan, lease, or financing documents
Conclusions
Operating as self-employed or under a DBA can be a simple way to start a business, but it should still be treated seriously from an accounting and tax perspective. Separating business and personal activity, tracking income and expenses, and maintain proper documentation can help business owners stay organized and prepared for tax filing and reporting requirements.
Adequate records also help business owners understand their financial activity, evaluate profitability, and make informed business decisions.
Disclaimer
The information provided is for general informational purposes only and does not constitute professional tax, legal, or accounting advice. Tax laws and regulations are complex and subject to interpretation, and their application can vary based on individual circumstances. Always consult a qualified tax professional or advisor to discuss your specific situation before making any tax-related decisions. Neither the author nor the platform assumes any liability for errors, omissions, or for any outcomes related to the use of this information.
Need help organizing your self-employed or DBA business records? SOLIDUS CPA LLC can help you with these matters. Submit an inquiry through our contact form, and we will contact you regarding availability, the intake process, and next steps.