You can open a business checking account without an EIN, but the bank will ask for a tax ID of some kind

Most banks will let you open a business checking account using your Social Security Number (SSN) instead of an Employer Identification Number (EIN). This works if you are a sole proprietor or a single-member LLC that has not yet filed for an EIN. The bank still needs to verify your identity and confirm you are operating a legitimate business — they just use your personal tax ID rather than a business one.

The catch is that some larger banks prefer or require an EIN, especially if you are forming an LLC or corporation. Regional banks and credit unions are often more flexible. You will need to call ahead or ask in person before you apply, because policies vary by institution and sometimes by branch.

If you do not have an EIN yet and the bank requires one, you can request one from the IRS before you open the account. The process is free and takes about 15 minutes online, or you can call the IRS Business and Specialty Tax Line at 1-800-829-4933.

Key Takeaways

  • Sole proprietors and single-member LLCs can use their Social Security Number to open a business checking account if the bank permits it.
  • Larger national banks often require an EIN for any business account, while credit unions and regional banks may accept an SSN.
  • You can request an EIN from the IRS for free through their website (irs.gov/ein) or by phone in about 15 minutes.
  • The bank will still verify your identity and business legitimacy even if you use your SSN instead of an EIN.
  • Calling your bank before you visit or apply online will save you a trip if they have specific requirements you do not meet yet.

When banks accept an SSN instead of an EIN

If you are a sole proprietor operating under your own name, most banks will open a business account using only your SSN. You do not need an EIN at all in this case — the IRS treats your business income as personal income on your tax return.

Single-member LLCs that have not filed Form 8832 (Entity Classification Election) also fall into this category. The IRS treats them as sole proprietorships by default, so banks often treat them the same way. Bring your LLC formation documents (usually a Certificate of Formation from your state) and your SSN, and most regional banks will process the account.

The bank will still run a background check and may ask for a business license, proof of address, and a description of what your business does. They are not waiving verification — they are just using your personal tax ID instead of a business one.

Banks that usually require an EIN

Large national banks like Chase, Bank of America, Wells Fargo, and Citibank typically require an EIN for any business account, regardless of your business structure. Some of these banks will not even open the account without one, even if you are a sole proprietor.

If you are forming a partnership, S-corporation, or C-corporation, virtually every bank will require an EIN. These structures are not recognized as sole proprietorships, so the IRS requires a separate tax ID.

Online banks vary. Some (like Stripe or Square) will let you use an SSN for a business account, while others require an EIN. Check the bank's website or call before you start the process.

How to get an EIN if your bank requires one

The fastest way is to apply online at irs.gov/ein. You answer questions about your business structure, location, and what you do, and the IRS issues an EIN immediately. The whole process takes about 15 minutes, and you can use the number right away to open your bank account.

You do not need to have filed any business formation documents with your state first. You can request an EIN as soon as you decide to start a business. The IRS will ask for your SSN, your business name, and your business address (which can be your home address).

If you prefer not to apply online, you can call the IRS Business and Specialty Tax Line at 1-800-829-4933 Monday through Friday, 7 a.m. to 7 p.m. your local time. They will issue an EIN over the phone and mail you a confirmation letter. This route takes longer — you will get the number by phone but the official letter arrives in about two weeks.

There is no cost to request an EIN, and you do not need to hire a tax professional or use a third-party service to get one.

What documents to bring to the bank

Bring your government-issued photo ID (driver's license or passport) and your SSN or EIN. The bank will also ask for proof of your business address — this can be a utility bill, lease, or mortgage statement in your name, or a business license if you have one.

If you are opening the account as an LLC or corporation, bring your formation documents. For an LLC, this is usually your Certificate of Formation or Articles of Organization from your state. For a corporation, bring your Articles of Incorporation. These documents prove the business legally exists and show your ownership stake.

Some banks will ask for a business license or a description of what your business does. If you do not have a license yet (many states do not require one for service businesses), a simple written description of your business is usually enough. Write down what products or services you sell, who your customers are, and roughly how much revenue you expect.

Opening the account in person versus online

Opening in person at a branch gives you a chance to ask the bank directly whether they accept an SSN or require an EIN before you fill out any paperwork. This is especially useful if you are unsure about your business structure or do not have an EIN yet. The banker can also walk you through what documents you need.

Online applications are faster if you already know the bank accepts your tax ID. You can complete the application in 10 to 15 minutes and often get approval the same day. However, you cannot ask questions in real time, and if the bank rejects your application because they require an EIN, you will have to start over.

If you are opening with a large national bank that requires an EIN, applying online is usually fine — you know they will not accept an SSN, so get your EIN first and then apply. If you are opening with a credit union or regional bank, calling ahead saves time.

What happens after you open the account

Once the account is open, the bank will send you checks, a debit card, and online banking access. If you opened using an SSN, the account is still a business account — it just uses your personal tax ID for IRS purposes.

If you later decide to form an LLC or corporation, or if you hire employees, you will need to get an EIN and update your bank account information. Contact the bank and ask how to add an EIN to an existing account. Some banks let you do this online; others require a visit or a phone call.

Keep your business and personal finances separate from day one, even if you are using your SSN. Use the business account only for business transactions. This makes tax time easier and protects you if there is ever a dispute about what is personal spending and what is a business expense.

Frequently Asked Questions

Can I use my SSN to open a business account if I have not registered my business with the state yet?

Yes. You do not need state registration to open a business checking account. Many sole proprietors never register with the state at all. However, if you want to form an LLC or corporation, you will need to file formation documents with your state first, and then most banks will require an EIN.

Do I need an EIN if I am a sole proprietor with no employees?

No, you do not need an EIN for tax purposes. You can report business income on your personal tax return using your SSN. However, some banks require an EIN anyway, so check with your bank before you open the account.

How long does it take to get an EIN from the IRS?

If you apply online at irs.gov/ein, you get the number immediately and can use it right away. If you call the IRS, they issue it over the phone, but the official confirmation letter arrives in about two weeks. Either way, you can open your bank account as soon as you have the number.

What if the bank says they need an EIN but I do not have one yet?

Request one from the IRS before your next visit or application. The online process takes 15 minutes and costs nothing. Once you have the number, contact the bank and start the account opening process again.

Can I open a business account if I am self-employed but do not have a business name?

Yes. You can open a business account under your personal name (for example, "John Smith, doing business as John Smith"). The bank does not require a separate business name, though having one can make your business look more professional and makes accounting easier.