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Step-by-stepCommingling personal and business funds is one of the few things courts use to "pierce the veil" - strip your LLC liability protection. Separate accounts are non-negotiable.
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How-to guide
How to open a business bank account · plain-English guide

How to open a business bank account.

A business bank account is essential to maintaining LLC liability protection (no commingling), to receiving payments from clients, and to running clean books. Many founders waste days at branches with the wrong documents or get turned down by the wrong bank for their entity type. This guide covers what to bring, which bank fits your situation, and what to do if you are turned down.

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The process

Step by step.

01
Gather required documents

EIN letter from IRS (CP-575 or 147C), Articles of Organization or Incorporation from state, operating agreement (LLC) or bylaws (corp), beneficial-owner IDs (passport or driver license), proof of address (utility bill, lease), DBA filing if operating under a fictitious name.

02
Choose the bank type

Online business banks (Mercury, Relay, Bluevine): fast, free or low fees, no branches. Traditional national (Chase, BofA, Wells): branches, full services, fees. Community/regional: relationship banking, often best for lending. Credit unions: lower fees, limited business services.

03
Apply (online or in-person)

Most online banks: 10-20 minute application, decision in 1-3 days. Traditional banks: appointment recommended, decision same day to 1 week.

04
Fund the account

Initial deposit (often $0 for online; $25-100 for traditional). Move operating capital from personal account.

05
Set up payment processors and integrations

Connect Stripe, PayPal, Square, or your platform-specific processor. Set up books integration (QuickBooks, Xero, or our books).

06
Order debit cards and checks

Most online banks ship debit cards in 5-7 days. Checks rarely needed now; order only if vendors require.

07
Add authorized users

If multiple owners or employees need access, add them as authorized signers. Each requires identity verification.

08
Set up ACH and wire instructions

Get your routing and account numbers for setting up automatic deposits from clients and payment processors.

Common mistakes

What to avoid.

Mistake
Using personal account for business

Commingling can pierce the LLC veil in court. Plus your books become impossible.

Mistake
Applying without an EIN

Most banks require an EIN for business accounts. Sole proprietors can sometimes use SSN; LLCs and corps cannot.

Mistake
Not knowing the high-risk industries

Some banks refuse high-risk industries (cannabis, adult, firearms, MLM, crypto). Even legal-but-disfavored industries face frequent denials.

Mistake
Walking in cold to a traditional bank

Branch staff often do not know all business account products. Make an appointment with a business banker.

Mistake
Choosing for branch network when you do not need it

Many small businesses never visit a branch. Online banks are typically cheaper, faster, and have better digital tools.

FAQ

Common questions.

What if I am a foreign founder?
Mercury, Relay, and several traditional banks open accounts for non-US persons with proper formation documents. EIN required. Some require notarized documents. We connect you to partners who specialize in foreign-owner accounts.
How long does it take?
Online banks: 1-3 days from application to active account. Traditional banks: same day to 1 week.
Can I open an account before getting an EIN?
Generally no for LLCs and corps. EIN is required as proof of entity. EINs are typically issued same-day for US founders, 1-3 weeks for foreign founders.
What documents are NOT needed?
You do NOT need a business license, formal balance sheet, business plan, or revenue. Banks open accounts for new entities all the time.
What if I am turned down?
Common reasons: incomplete documents, high-risk industry, address mismatch, founder credit issues. Reapply to a different bank with documentation prepared. Online banks with automated underwriting often approve where traditional banks reject.
Should I open multiple accounts?
For many small businesses, one operating account is enough. Add a savings/reserve account for tax holdback. Larger operators add separate accounts per project, per location, or per business line. Relay specializes in multi-account budgeting.
Do banks pull personal credit?
Most online business banks do soft pulls (no impact). Traditional banks often do hard pulls on the primary signer for relationship reasons, especially if a line of credit is requested.
What about FDIC insurance?
Standard FDIC coverage applies: $250,000 per depositor per insured bank. Online banks partner with FDIC-insured banks (typically disclosed). Mercury and Relay use programs that spread deposits across multiple banks for higher effective coverage.
Can I open without visiting a branch?
Yes, with online banks. Most traditional banks now allow online or video-call account opening, though some still require an in-branch visit.
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