How do I open a business bank account?

To open a business bank account, gather your formation documents, EIN, and personal ID, then apply at a bank or credit union that offers business checking. Most accounts can be opened online or in-branch once you have your entity formed and your EIN from the IRS.

A dedicated business bank account is one of the first operational moves after forming your entity. It separates business income and expenses from personal finances — a requirement for maintaining LLC liability protection and a baseline lender expectation for any financing application. The SBA's launch checklist names a business bank account as a foundational step.

Documents you'll need

Employer Identification Number (EIN) — free from the IRS at IRS.gov; most banks require it even if you don't yet have employees.
Formation documents — Articles of Organization (LLC) or Articles of Incorporation (corporation), showing your entity name and state of formation.
Operating agreement or bylaws — some banks require this to confirm ownership structure and signing authority.
Government-issued ID for each owner or authorized signer (passport or driver's license).
Business address — a P.O. box may not be accepted; a registered address tied to your formation documents is safer.

Sole proprietors and DBAs

Sole proprietors can open a business account using their Social Security Number if they don't yet have an EIN, but an EIN is free and takes about 15 minutes at IRS.gov/EIN. If you operate under a trade name ("doing business as"), you may need a DBA certificate filed with your county or state before a bank will accept the business name on the account.

Why this matters for financing

Lenders and underwriters look at your business bank statements — typically 3–6 months — to verify revenue, average daily balance, and cash-flow patterns. Commingled personal and business transactions make that review harder and can signal weak financial controls. Keeping funds fully separated from day one protects your eligibility. Once your business is generating revenue, apply with ClearValue Lending to see which financing options fit — one application routes to one matched lender partner. This is general education, not banking or legal advice; requirements vary by institution.

SBA & IRS on business accounts and EINs

The SBA's business launch guide identifies opening a business bank account as a foundational step after forming your entity and obtaining an EIN. — SBA — Launch Your Business
The IRS online EIN application is free and issues your Employer Identification Number immediately upon completion, available Monday–Friday 7 a.m.–10 p.m. ET. — IRS
Most corporations and partnerships, and LLCs with more than one member, are required to obtain an EIN regardless of whether they have employees. — IRS

Key takeaways

Get your EIN free at IRS.gov before applying — most banks require it for a business account.
Bring your formation documents (Articles of Organization or Incorporation), operating agreement, and personal ID.
Sole proprietors may use their SSN, but an EIN separates your business identity from your personal tax ID.
A DBA certificate may be required if your operating name differs from your legal entity name.
Fully separated funds are a baseline lender expectation — start clean from day one.