Working-alone guide

Separating business money from personal money

Tax-year note: Tax information on this page applies to the 2026 tax year (returns filed in 2027), from IRS pages checked in November 2026. Figures and dates are labelled with their tax year where they appear. Check current IRS pages before you rely on them.

Mixing business and personal money is the most common bookkeeping problem for new self-employed people. It is easy to do: the first client pays into your usual account, a business purchase goes on your personal card, and by tax time you are reconstructing a year from statements. This guide gives a cleaner setup, based on SBA guidance on business banking and IRS recordkeeping guidance.

What the SBA recommends

The SBA says that as soon as you start accepting or spending money as your business, you should open a business bank account. It lists common business accounts: checking, savings, credit card and merchant services, which let you accept credit and debit card payments.

Benefits the SBA describes include:

• Protection. Keeping business funds separate from personal funds offers limited personal liability protection, according to the SBA.
• Professionalism. Customers can pay the business rather than you personally, and you can authorize others to handle day-to-day banking.
• Preparedness. Business banking often comes with the option of a line of credit.
• Purchasing power. A business credit card can help with large startup purchases and establish business credit history.

The SBA also notes some people open a business account at the bank they already use, and that rates, fees and options vary, so it suggests shopping around.

What banks usually ask for

The SBA lists common documents banks ask for, with the caveat that some ask for more:

• an Employer Identification Number, or a Social Security number for a sole proprietorship;
• your business formation documents;
• ownership agreements;
• a business license.

For the EIN, see business structure and EINs. For licenses, see permits and zoning at home.

Fees to compare

For checking and savings accounts, the SBA lists things to consider such as introductory offers, interest rates, transaction fees, early termination fees and minimum account balance fees. For merchant services, it lists items such as the discount rate charged on each transaction, per-transaction fees, daily batch fees and monthly minimum fees, and notes that payment processing companies have similar fee categories. Write the fee schedule for each option side by side.

Why records matter for taxes

The IRS recordkeeping guidance explains that good records help you monitor your business, prepare financial statements, identify sources of receipts, keep track of deductible expenses, prepare tax returns and support items reported on them. When every business transaction runs through one account, most of that record exists automatically.

For the 2026 tax year, business expenses still need supporting documents such as receipts, invoices or statements showing the amount paid and that it was for a business purpose. Check the IRS recordkeeping pages for what to keep and for how long.

A three-account setup

A simple structure many self-employed people use:

1. Business checking. Every client payment comes in here. Every business expense goes out from here, or from a business card paid from here.
2. Tax reserve. A separate savings account. Each time you are paid, move a set share here for income and self-employment tax. See the estimated tax calendar for when it goes out.
3. Personal account. Pay yourself a regular transfer from business checking, like a salary.

The owner's transfer is the only line between business and personal. That makes it easy to see what the business earned and what you took.

When something crosses over

It will happen. A business expense goes on a personal card, or a personal purchase on the business card. Fix it the same week:

• Reimburse the account that paid, with a note naming the receipt.
• Keep the receipt with a brief description.
• Do not let mixed transactions pile up.

A weekly money routine

Fifteen minutes each week:

1. Download or open the week's business transactions.
2. Categorize each one: income, expense type, transfer.
3. Attach or file receipts.
4. Move the tax reserve share for payments received.
5. Check unpaid invoices; see chasing late payments.

Pricing with the full picture

Once your money is separate, the numbers show what the work costs. Use them on the quote floor so your rates cover expenses, tax and the time spent on admin.

Banking products, fees and rules change. Compare current terms directly with each institution.