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Do You Need a Business Bank Account? (Sole Proprietor and LLC Requirements)

Sole Proprietor
Not legally required
But strongly recommended
LLC
Effectively required
To maintain liability protection

Why Separate Accounts Matter

✓
Tax preparation

All business transactions in one place. At tax time, you export statements and categorize - instead of hunting through personal transactions to find business expenses. Saves 3-5 hours per tax season minimum.

✓
Audit protection

If the IRS audits you, a separate business account provides a clean, credible paper trail. Auditors are trained to look for co-mingling - a red flag that triggers deeper scrutiny.

✓
LLC veil maintenance

For LLCs, this is the most important one. Co-mingling personal and business funds is the single most common reason courts pierce the corporate veil and remove liability protection.

✓
Professionalism

Clients write checks to 'XYZ LLC' or 'Your Business Name' rather than your personal name. Looks established and credible, especially for higher-value engagements.

✓
Loan and credit readiness

Business lenders want to see 12-24 months of business bank statements. Starting that history early, even with small amounts, builds your business credit profile.

Documents Required to Open a Business Account

Sole Proprietor
  • ✓SSN or EIN (EIN preferred)
  • ✓Government-issued photo ID
  • ✓Business address
  • ✓DBA certificate (if operating under a business name)
  • ✓Some banks may require business license
LLC
  • ✓EIN (required)
  • ✓Articles of Organization (state-stamped copy)
  • ✓Operating agreement
  • ✓Government-issued photo ID
  • ✓Business address
  • ✓Business license (some states/banks)

Best Business Bank Accounts for Sole Proprietors and Small LLCs

These are affiliate-free recommendations based on features and fees. We do not receive referral fees for any of these banks.

Mercury
Best overall for small LLCs
Monthly fee
$0
Min. balance
$0
  • ✓No fees, no minimums
  • ✓Excellent integrations (QuickBooks, Stripe, etc.)
  • ✓FDIC insured up to $5M via partner banks
  • ✓Good for tech-forward businesses
Relay
Best for expense tracking
Monthly fee
$0-$30
Min. balance
$0
  • ✓No minimum balance
  • ✓20 checking sub-accounts for budgeting
  • ✓Excellent expense tracking
  • ✓Team access controls
Novo
Best for e-commerce businesses
Monthly fee
$0
Min. balance
$0
  • ✓No fees, no minimums
  • ✓Integrates with Stripe, Square, Shopify
  • ✓Reserves feature for tax savings
  • ✓Good for e-commerce
Chase Business Complete
Best for traditional banking needs
Monthly fee
$15 (waivable)
Min. balance
$2,000 avg to waive fee
  • ✓Physical branches and ATMs
  • ✓QuickPay, Zelle for business
  • ✓Good customer service
  • ✓Full-service banking
Local Credit Union
Best for community banking
Monthly fee
$0-$10
Min. balance
Varies
  • ✓Community-focused
  • ✓Often lower fees than big banks
  • ✓In-person service
  • ✓May require local membership

See bestbusinesscheckingaccount.com for a full comparison with current fees and promotions.

EIN for Sole Proprietors: Not Required, But Recommended

As a sole proprietor, you can use your SSN for all business tax purposes. But an EIN (Employer Identification Number) is worth getting:

✓You don't have to give clients your SSN on W-9 forms (reduces identity theft risk)
✓Some banks require an EIN to open business accounts even for sole proprietors
✓Makes the eventual LLC transition cleaner (you will need a new EIN for the LLC anyway)
✓Required if you hire employees or use certain retirement plans

How to get an EIN: Apply free at IRS.gov/EIN. Available Monday-Friday 7am-10pm Eastern. Takes 5 minutes. You receive your EIN immediately. Do not pay any third-party service to get your EIN - the IRS does not charge for this.

Common Banking Mistakes

Mistake: Using personal accounts 'just for now'

Fix: Open a business account before your first business transaction. 'Just for now' becomes 12 months of co-mingled records you have to untangle at tax time.

Mistake: Using the business account for personal expenses

Fix: If you need to take money out of the business, pay yourself a transfer to your personal account. Do not pay personal bills directly from the business account.

Mistake: Never reconciling the account

Fix: Review your business account monthly. Match transactions to your invoices. This takes 20-30 minutes per month and saves hours at tax time.

Mistake: Opening a high-fee account when $0 options exist

Fix: Mercury, Relay, and Novo are all FDIC-insured with no monthly fees and no minimum balance. A $25/month fee adds up to $300/year with no benefit over free alternatives.

Frequently Asked Questions

Do sole proprietors need a business bank account?
Sole proprietors are not legally required to have a separate business bank account, but it is strongly recommended. A separate account makes tax preparation significantly easier, provides a clear paper trail for business expenses, and looks more professional to clients who pay by check or ACH. When you eventually decide to form an LLC, having established separate business banking already makes the transition cleaner.
What documents do I need to open a business bank account for an LLC?
To open a business bank account for an LLC, you typically need: your EIN (Employer Identification Number), your Articles of Organization (the stamped copy from your state), your operating agreement, a government-issued photo ID, and your business address. Some banks may also require your business license if applicable. Requirements vary by bank - online banks like Mercury and Relay often require fewer documents than traditional banks.
What is the best bank account for a small LLC?
For most small LLCs, the best options are Mercury (no monthly fee, excellent integrations, FDIC insured), Relay (no monthly fee, excellent expense tracking, no minimum balance), or Novo (no monthly fee, good integrations). Traditional banks like Chase Business Complete Banking offer physical branches at $15/month (waivable with minimum balance). Avoid accounts with high monthly fees and minimum balance requirements if you are a small or new business.
Can I get an EIN as a sole proprietor without employees?
Yes. Sole proprietors without employees can get an EIN. It is not required - you can use your SSN - but an EIN is strongly recommended. Benefits: you do not have to give clients your Social Security number on W-9 forms, banks sometimes require an EIN even for sole proprietor accounts, and it makes the eventual LLC transition easier. Apply free at IRS.gov - takes 5 minutes and is instant online.
What happens if I mix personal and business money as an LLC?
Co-mingling personal and business funds as an LLC member is the single most common reason courts pierce the corporate veil and hold the owner personally liable. When you deposit business income into a personal account or pay personal expenses from the business account, you are treating the LLC as your personal piggy bank. Courts use this as evidence that the LLC is not a genuinely separate entity - and remove the liability protection accordingly.
Related Guides
How to Convert to LLCLiability ProtectionSole Proprietor vs LLC Overview