A business savings account keeps your money separate from personal funds and protects you legally
Yes. A business should have its own savings account, separate from your personal bank account. This separation does two things: it makes your taxes simpler to file, and it protects you if your business is sued. When a court looks at your finances, they want to see a clear line between what belongs to the business and what belongs to you. If your business and personal money are mixed together, a judge may decide that line doesn't exist — and that means your personal assets (your house, your car, your savings) could be at risk in a lawsuit against the business.
The second reason is practical: you need to know how much money the business actually has. If you're running a sole proprietorship or partnership and you keep business income in your personal checking account, you'll spend hours every tax season sorting out which transactions were business and which were personal. A separate account makes that sorting automatic.
Key Takeaways
- A separate business savings account protects your personal assets if the business is sued or faces financial trouble.
- Mixing business and personal money makes tax filing harder and can give a court reason to ignore the legal separation between you and your business.
- You need a business savings account even if you're a sole proprietor — it's not just for corporations and LLCs.
- Most banks require an Employer Identification Number (EIN) or a Social Security Number plus business registration documents to open a business account.
- A business savings account typically earns less interest than a money market account but offers easier access to your cash when you need it.
What happens if you don't separate your accounts
If you operate without a separate business account, you lose what lawyers call piercing the corporate veil — the legal protection that says your business debts are not your personal debts. This matters most when something goes wrong. If a customer sues your business for $50,000 and wins, and your business only has $10,000 in the bank, a judge can look at your personal accounts and take money from there to satisfy the judgment.
The IRS also takes a dim view of mixed accounts. If you're audited and the auditor can't easily trace which income belongs to the business, they may disallow deductions or assess penalties. You'll also have a harder time proving what you actually earned, which can cost you money in taxes you shouldn't have owed.
For tax purposes, the IRS expects you to report business income and expenses separately from personal income. A mixed account makes that nearly impossible to document cleanly, and documentation is what the IRS asks for if they question your return.
Types of business accounts and what they cost
Most banks offer three types of business accounts: checking, savings, and money market. A business checking account is where you deposit income and pay bills — it's your main operating account. A business savings account is where you hold cash reserves and earn a small amount of interest. A money market account is a hybrid that earns higher interest than savings but requires a larger minimum balance and limits how often you can withdraw.
Monthly fees vary widely. Some banks charge $10 to $25 per month for a basic business checking account; others waive the fee if you maintain a minimum balance (often $1,000 to $5,000). Savings accounts typically have lower or no monthly fees. Many banks also charge per-transaction fees if you exceed a certain number of deposits or withdrawals per month.
Interest rates on business savings accounts are usually between 0.01% and 0.50% annually, depending on the bank and the current interest rate environment. A money market account might pay 0.25% to 1.50%, but you'll need to keep a larger balance — often $2,500 to $10,000 — to avoid fees that eat into the interest you earn.
What you need to open a business account
The documents required depend on your business structure. If you're a sole proprietor, most banks will let you open an account with your Social Security Number and a business license or DBA (Doing Business As) certificate from your state or county. Some banks also ask for a business plan or proof that you've been operating for at least a few months.
If you're an LLC, partnership, or corporation, you'll need an Employer Identification Number (EIN) from the IRS — this is a nine-digit number that works like a Social Security Number for your business. You can get an EIN for free from the IRS website (irs.gov) in about 15 minutes. You'll also need your business formation documents (the articles of incorporation or organization) and a photo ID for the person opening the account.
Some banks ask for a business license, proof of address, and a list of owners or officers. A few banks require an initial deposit before they'll open the account — this is usually $25 to $100 for a savings account. Call ahead or check the bank's website to see what they need; requirements vary by bank and by state.
How to choose between banks for your business account
Start by comparing monthly fees, minimum balance requirements, and interest rates across three to five banks in your area. Online banks (like Axos, Mercury, or Brex) often have lower fees and higher interest rates than brick-and-mortar banks, but they don't have physical branches. If you need to deposit cash or checks frequently, a local bank or credit union may be more convenient.
Ask about transaction limits. Some banks cap the number of deposits or withdrawals you can make per month; if you're a retail business with daily deposits, this matters. Also ask whether the bank offers free wire transfers, ACH transfers, or check printing — these are common expenses that add up if you're charged per transaction.
If you plan to take out a business loan later, banking with a lender that knows your account history can help. They'll already have a record of your deposits and spending patterns, which makes the loan process faster.
Keeping business and personal money separate in practice
The rule is simple: all business income goes into the business account, and all business expenses come out of it. If you need money for personal use, you withdraw it as a draw (if you're a sole proprietor) or as a dividend or distribution (if you're an LLC or corporation). Don't use the business account to pay personal bills, and don't use your personal account to pay business bills.
This is especially important if you're tempted to use the business account as a short-term loan to yourself. If you take $5,000 out of the business account to cover a personal expense and then put it back a month later, document it clearly as a loan to yourself with a repayment date. The IRS and a court will both want to see that you treated the business money as belonging to the business, not to you personally.
Use the business account for everything business-related: payroll, rent, supplies, equipment, contractor payments, and business insurance. Keep receipts and bank statements organized so you can match them up at tax time. This takes a few minutes per week and saves you hours when you're preparing your tax return.
What to do if you've been mixing accounts
If you've been running your business without a separate account, open one now. You don't need to wait for a specific date or tax year. Start depositing new business income into the business account immediately, and pay new business expenses from it going forward.
For past transactions, work backward through your bank statements and categorize which deposits and withdrawals were business-related. This is tedious but necessary. You can use a spreadsheet or accounting software (like QuickBooks or Wave) to organize the data. If you're working with a tax preparer or accountant, they can help you sort this out, though they'll charge you for the time.
Going forward, the separation will make your life easier. You'll know exactly how much cash the business has, you'll have a clear record for taxes, and you'll have legal protection if something goes wrong.
Frequently Asked Questions
Do I need a business account if I'm a sole proprietor?
Yes. Even as a sole proprietor, a separate business account protects you legally and makes taxes simpler. The IRS expects to see business income and expenses tracked separately, and a court will look for that separation if your business is sued.
Can I use a personal savings account as my business savings account?
Technically you can, but it defeats the purpose. A personal account doesn't provide legal protection, and it makes taxes harder. Open a business savings account instead — most banks charge little or nothing to do so.
What if my bank won't open a business account without an EIN?
Some banks accept a Social Security Number for sole proprietors; others require an EIN. If your bank requires an EIN, you can get one free from irs.gov in about 15 minutes. If you want to avoid that step, call other banks in your area and ask which ones will open an account with just a Social Security Number and a business license.
How much should I keep in my business savings account?
Most accountants recommend keeping three to six months of operating expenses in savings — enough to cover payroll, rent, and supplies if business income drops. The exact amount depends on how stable your income is and how much your monthly expenses are.
Will opening a business account hurt my personal credit?
No. A business account is tied to your business's credit history, not your personal credit score. Opening one won't affect your personal credit at all.