Setting up business banking

The single most important administrative task for a new self-employed person is separating business and personal finances. Doing this preserves your legal liability protection if you have an LLC, makes taxes dramatically easier, and gives you actual visibility into whether your business is profitable.

Minimum viable setup

1. Business checking account. Most banks require an EIN and articles of organization if you're an LLC. Sole props can usually open one with a DBA and social security number.
2. Business savings account for taxes. This is where the 30% of every payment lives until quarterly estimated taxes.
3. Business credit card. Same separation principle as checking, plus rewards. Capital One Spark and Chase Ink Business cards are both common starter options.
4. Bookkeeping tool. Wave (free), QuickBooks, Xero, or just a very disciplined spreadsheet.

The EIN

An Employer Identification Number is a tax ID for your business, separate from your Social Security number. It's free, takes 10 minutes to get from IRS.gov, and is required for most business bank accounts, payroll, and tax filings. Get one even if you're a sole prop — it means you can give vendors your EIN instead of your SSN on tax forms.

What business checking actually costs

Business checking is one of the few banking products where the best options are genuinely free. Online-first providers built for small businesses — Mercury, Novo, Bluevine, Relay — charge no monthly fee, no minimum balance, and refund or skip most transaction fees. Traditional banks typically charge $10-25 per month unless you hold a minimum balance of $1,500-15,000, though they waive fees readily and offer branch access, cash deposits, and easier paths to credit later. Neither choice is wrong; the mistake is paying $300 a year in fees for an account you could have free.

The full setup, in order

1. 1
   Form the entity first (if forming one)

   Banks need your LLC articles of organization before they can open an LLC account. Sole props skip this step.

2. 2
   Get the EIN

   Free and instant at IRS.gov. Even sole proprietors should get one so client W-9s carry an EIN instead of your Social Security number.

3. 3
   Open business checking

   Bring or upload the EIN letter (CP 575), formation documents, and photo ID. Online banks approve in a day or two; branches often same-day.

4. 4
   Open a business savings account for taxes

   Same institution or a high-yield account elsewhere. This is the destination for the 30% tax skim on every client payment.

5. 5
   Add a business credit card

   Start with a no-annual-fee card. Put every recurring business expense on it — the statement becomes a free expense log.

6. 6
   Repoint everything

   Move client payment links, invoicing tools, software subscriptions, and payment processors to the business accounts. The migration hour is the whole battle.

How many accounts do you actually need?

A working minimum is three: business checking (operating money), business savings (taxes), and personal checking (your salary lands here). Many owners add a fourth — a buffer or profit account — so that operating cash, tax money, and reserves never blur. The test of a good setup is that you can answer three questions in ten seconds by glancing at balances: can I cover this month's expenses, is my tax money whole, and how many months of runway do I have. If answering requires a spreadsheet and archaeology, add an account; if you have seven accounts and cannot remember what each is for, cut back.

Common mistakes

• Running the business through personal accounts for one more year. Every month of commingling makes tax time worse and quietly erodes LLC liability protection.
• Choosing a bank purely by sign-up bonus. A $300 bonus is worth less than free wires, good software integrations, or a banker who answers the phone when you need a loan.
• Letting the tax savings account double as an emergency fund. One account, one job — the moment tax money covers a slow month, the system is broken.
• Ignoring cash flow visibility tools. Most business accounts now integrate directly with QuickBooks, Wave, or Xero; unconnected accounts mean manual bookkeeping forever.
• Forgetting to update the account when the entity changes. Electing S-Corp status or converting a sole prop to an LLC means new documents on file — and sometimes a new account — or payments processed under the wrong tax identity.

The bottom line

Business banking is a solved problem: one free business checking account, one savings account where 30% of every deposit goes to wait for the tax deadlines, one business card that doubles as an expense log, and a personal account that receives a fixed monthly salary. The whole setup takes an afternoon and costs nothing. What it buys is disproportionate — preserved liability protection, hundreds saved in accounting fees, a clean paper trail for loans and audits, and the simple, underrated ability to look at one number and know whether the business is actually working. Few afternoons in your business life will return more per hour.

It is also worth knowing what a good banking relationship buys you later. When you eventually want a business line of credit, an SBA loan, or even just a higher card limit, the lender's first question is effectively: show me twelve months of clean business bank statements. Deposits that match invoices, a stable or growing balance, no overdrafts, and regular owner transfers read as a fundable business. A personal account with client payments mixed into grocery runs reads as a hobby. The account you open this week is quietly building — or failing to build — the file that determines whether money is available when you actually need it.

Treat the whole arrangement as infrastructure you revisit once a year: confirm the account is still free at your balance level, sweep any excess buffer into the high-yield savings side, and check whether your payment processor's fees still make sense at your new volume. Ten minutes of annual maintenance keeps a system that otherwise runs itself.