You cannot simply convert a personal checking account into a business account, but you can open a new business account and move your money over

Banks treat personal and business accounts as separate products with different legal structures, tax reporting, and liability protections. Your personal account is registered in your name alone and generates 1099 or interest statements. A business account is registered under your business name or EIN (Employer Identification Number) and generates different tax documents. The bank will not flip a switch to change one into the other—you need to open a new account under your business structure.

The reason this matters: mixing personal and business money in a personal account can expose your personal assets if your business is sued, and it complicates tax filing because the IRS expects business income to flow through a business account. If you are already using a personal account for business, opening a proper business account now protects you going forward and makes tax time simpler.

Key Takeaways

  • Personal and business accounts are separate products; banks cannot convert one to the other, so you must open a new business account.
  • A business account requires either an EIN (for LLCs, corporations, or sole proprietors with employees) or your Social Security Number (for sole proprietors with no employees).
  • You can keep your personal account open and transfer money between the two, or close the personal account once the business account is set up.
  • Opening a business account typically takes one to three business days if you do it online, or same-day if you go to a branch in person with your ID and tax documents.
  • Your current bank may offer business accounts, but you can also shop other banks—rates, fees, and features vary widely.

What documents you need to open a business account

The documents required depend on your business structure. If you are a sole proprietor with no employees, you can open a business account using your Social Security Number and a government-issued ID. Some banks will ask for a DBA (Doing Business As) certificate if you operate under a name other than your legal name—check with your bank first, because not all require it.

If you are an LLC, S-corp, C-corp, or sole proprietor with employees, you need an EIN (Employer Identification Number). You can get one free from the IRS at irs.gov/ein; it takes about 15 minutes online and you receive the number immediately. Bring your EIN letter, your business formation documents (Articles of Organization for an LLC, for example), and a government-issued ID to the bank.

Some banks also ask for a business license or proof of address for the business location. Call your bank before you go in, or start the application online and it will tell you exactly what is missing.

How to move money from your personal account to your business account

Once your business account is open, you have several ways to move money. The simplest is a transfer between accounts at the same bank—log into online banking, select "transfer," pick the destination account, and enter the amount. This usually clears the same day or next business day.

If your accounts are at different banks, use an ACH transfer (Automated Clearing House). Both banks support this at no cost. You will need your business account number and routing number. The transfer takes one to three business days. You can also write a check from your personal account and deposit it into your business account, though this is slower.

Do not move all your personal money at once unless you are closing the personal account. If you keep both accounts open, move only the money that belongs to the business—salary you paid yourself, revenue from sales, or a loan you made to the business. This keeps your personal and business finances separate, which is what the IRS and courts look at if there is ever a dispute.

Whether to close your personal account

You do not have to close your personal account. Many business owners keep both: the personal account for household expenses and the business account for business income and expenses. This makes it easy to see at a glance what is personal and what is business.

If you decide to close the personal account, do it after the business account is fully set up and you have moved the money you need. Check that no automatic payments (subscriptions, insurance, utilities) are still drawing from the personal account. Call the bank or go online to close it, and ask if there is a closing fee—most banks do not charge one, but some do if you close within a certain time frame.

Fees and features to compare between banks

Business accounts cost more than personal accounts. Monthly maintenance fees range from $0 to $25 depending on the bank and account type. Some banks waive the fee if you keep a minimum balance (often $500 to $2,500) or set up direct deposit. Others charge per transaction—for example, $0.25 per check deposited or per wire sent.

Compare what matters to your business: how many checks you write per month, whether you need to send wire transfers, whether you take card payments, and whether you need a business credit card. Online banks (Novo, Mercury, Brex) often have lower fees and no minimum balance but may not have physical branches. Traditional banks (Chase, Bank of America, Wells Fargo) have branches and phone support but higher fees. Credit unions sometimes offer business accounts at lower cost if you are a member.

Your current bank may offer a business account with a discount if you already bank there, so ask before you switch.

Tax reporting differences between personal and business accounts

The IRS does not require you to have a separate business account, but it makes tax filing much easier. When you file your business taxes, you report income and expenses. If that money is mixed in a personal account, you have to sort through personal and business transactions to figure out what to report. A separate business account gives you a clear record.

At tax time, your business account will generate a 1099-INT (if you earn interest) or a 1099-MISC (if you receive payments from certain clients). Your personal account generates its own 1099s. Keeping them separate means your accountant or tax software can match the right documents to the right return.

If your business is an LLC or corporation, the business account also protects you legally. If someone sues your business, a court can see that you kept business money separate from personal money, which strengthens the argument that your personal assets should not be touched. Mixing them can weaken that protection.

How long it takes to open a business account

Online applications usually take one to three business days. You upload your documents, the bank verifies them, and the account opens. Some banks send you a debit card by mail (three to five business days) and give you temporary access to the account online while you wait.

If you go to a branch in person with your ID and documents, you can often open the account same-day and leave with a debit card. Call ahead to make sure the branch has what it needs and to book an appointment if required.

Once the account is open, you can start transferring money and using it for business transactions right away.

Frequently Asked Questions

Can I use my personal account for business if I am a sole proprietor?

Legally, yes—sole proprietors can use a personal account for business. However, it is not recommended. Mixing personal and business money makes taxes harder to file and can weaken your legal protection if your business is sued. Opening a business account costs little and solves both problems.

Do I need an EIN if I am a sole proprietor?

Not required by law, but recommended. You can use your Social Security Number to open a business account. However, an EIN keeps your Social Security Number private from clients and vendors, and it is required if you hire employees or form an LLC. Getting one is free and takes 15 minutes online.

What if my bank will not open a business account for me?

Some banks have minimum balance requirements or do not offer business accounts to certain business types. Try another bank, or look into online banks and credit unions, which often have fewer restrictions. Call ahead and ask about their requirements before you apply.

Can I transfer money from my personal account to my business account if they are at different banks?

Yes, use an ACH transfer. You will need your business account number and routing number. The transfer takes one to three business days and costs nothing. You can also deposit a check, though it is slower.

What happens to my personal account if I open a business account?

Nothing happens automatically. You can keep both accounts open, or close the personal account once you have moved your money. If you close it, make sure no automatic payments are still drawing from it first.