US business bank account with fraud protection that flags unexpected checks and payments

The service you want is usually called Positive Pay. It compares checks presented for payment with the checks you issued and flags mismatches for your review. For unexpected electronic withdrawals, ask for ACH Positive Pay, an ACH filter, or an ACH debit block.

A straightforward option to investigate: Chase. Chase says its business accounts offer Check Monitoring, and that ACH Debit Block and check-validation features are available on some accounts. Availability depends on the account type, so confirm the exact features before opening one. (chase.com)

Other possibilities include U.S. Bank, which offers check Positive Pay and ACH filters/blocks, and Commerce Bank, which offers check Positive Pay with alerts and ACH risk controls. Ask whether the services are available for your business’s account and what they cost; treasury-management tools may have account requirements or fees. (usbank.com)

When comparing banks, ask:

• Does it flag checks and ACH debits—or just one?
• Can I review and approve or return flagged transactions online?
• Does check matching include the payee name?
• What’s the decision deadline, and what happens if I miss it?
• Are alerts and fraud controls included, or do they cost extra?

If you tell me your state and whether you mainly mean checks, ACH withdrawals, or both, I can narrow down options.

Several US banks offer business checking with positive pay, which matches checks and ACH debits against a list you approve and flags anything that doesn't match. Here are the options the search turned up, with the caveat that fees and tiers change, so confirm current terms with each bank.

Options with check and ACH monitoring

• Chase: Check Protection notifies you about unexpected or mismatched checks, and you can approve or deny them. It is complimentary, only available on Performance, Platinum, and Analysis Business Checking. Chase's basic Check Monitoring is complimentary for all Chase Business Checking customers, but for each account you can have only one of the two services.
• Incredible Bank: Check Positive Pay is included at no cost for business customers. Its ACH option costs extra, at $30 setup + $30/month.
• ConnectOne Bank: Positive Pay is required for all businesses opening a business checking account there, unless you sign an opt-out agreement. The monthly fee for Positive Pay is $25 per account.
• First Citizens: Check Positive Pay compares checks presented for payment against files you submit, and checks that don't match the file list are presented for review. It is suited to businesses with moderate to high check volume. For lower volume, it offers a Reverse Positive Pay option, where you review cleared checks instead of uploading a check file.
• First Business Bank: Its Positive Pay has you electronically upload your check file for all written checks and receive email alerts about any discrepancy. It also offers ACH Positive Pay to block ACH debits from an account.
• Texas Capital Bank: It lists Positive Pay and ACH filters among its business client protections, along with dedicated relationship managers.

What to look for

• Check matching: Make sure the service compares the check number, account number, and amount, not just the account number. Payee Positive Pay adds a check that verifies the payee name. Chase's version does not offer payee name verification on chase.com.
• ACH filters: Block or approve debits from specific companies. This matters because vendor and subscription billers pull payments regularly.
• Decision deadlines: Find out what happens if you don't respond to a flagged item in time. First Citizens, for example, applies your default pay-or-return choice, and Chase does not post checks that aren't reviewed by its cutoff.
• Alerts: Text or email alerts for large or unusual transactions are a useful layer on top of positive pay.

A caution on liability: One Windsor Federal Bank page says businesses have only 24 hours to report electronic payment fraud under the UCC. I'm not confident that is accurate. My understanding is that UCC Article 4A gives a longer window, so check the exact deadline with your bank or an attorney. Either way, reviewing your account daily and reporting problems quickly is the safe approach.

If you tell me your monthly check and ACH volume and whether you need online-only banking, I can narrow this down.

To protect your business from check and ACH fraud, the industry-standard solution is called Positive Pay.

Most major U.S. banks—including Chase, Wells Fargo, and many regional institutions—offer these services for business accounts to help you flag and approve or reject suspicious transactions before they clear.

Key Fraud Protection Features to Look For

When selecting a bank, look for these specific treasury management or fraud protection services:

• Check Positive Pay: You provide the bank with a file of your issued checks (including check number, amount, and sometimes payee name). When a check is presented for payment, the bank compares it against your list. Any mismatch is flagged as an "exception," and you must manually approve or reject it before the bank processes it.
• Reverse Positive Pay: If your accounting system cannot easily generate issue files, this is an alternative where the bank provides you with a list of daily check activity. You then review and "pay" or "return" items manually.
• ACH Positive Pay (ACH Filter/Block): This service allows you to create rules for electronic (ACH) debits. You can block all ACH debits by default or only allow debits from specific, pre-authorized vendors. Anything else is flagged for your review.
• Payee Validation: Some advanced systems go beyond checking the amount and number to verify that the payee name on the check matches your records, which is highly effective against "check washing" and forgery.

Banks and Providers

• Traditional Banks: Large banks like Chase, Wells Fargo, and Citi offer robust suites of these tools, typically categorized under "Treasury Management" or "Cash Management" services. These are often tied to specific business checking account tiers (e.g., Performance or Platinum business accounts).
• Regional/Community Banks: Many regional banks (such as Seacoast Bank, Dollar Bank, or EverBank) pride themselves on personalized treasury management and offer these services to help small and mid-sized businesses.
• Note on Fintech/Neobanks: While many modern digital banking platforms offer excellent real-time notifications and card controls, they may not always offer the full suite of "Positive Pay" features that traditional banks provide. If your business relies heavily on paper checks, a traditional bank with a strong treasury management department is often a safer choice.

Recommendation for Next Steps

1. Assess Your Volume: If you issue a high volume of checks or ACH payments, prioritize banks that offer automated file integration (e.g., uploading a CSV from your accounting software like QuickBooks).
2. Request a "Treasury Management" Consultation: Do not just look at the standard checking account page. Ask the bank directly: "What are your Positive Pay and ACH debit block capabilities for business accounts?"
3. Check for Fees: These services often carry a monthly fee. However, the cost is often significantly lower than the potential loss from a single instance of check or ACH fraud.

If you want a U.S. business account that flags both unexpected checks and electronic payments, look for Check Positive Pay plus ACH Positive Pay—not just ordinary transaction alerts.

• Chase for Business: Offers Check Monitoring, which flags checks above a threshold you set, and Positive Pay, which compares checks presented for payment against details you submitted. Its account alerts can notify you about large transactions or possible fraud. Check Monitoring and Positive Pay are available only on eligible accounts, so confirm eligibility and fees before opening. ¹⁶
• First Citizens Bank: Offers ACH Positive Pay to review or block unauthorized electronic transactions, with alerts. Ask whether its check Positive Pay service is available with the specific small-business account you’re considering. ⁷¹³
• Central Bank: Offers both Check Positive Pay and ACH Positive Pay, with alerts for check exceptions and unauthorized ACH activity. Confirm that it serves your location and ask about account requirements and pricing. ⁹
• Truist: Its Fraud Inspector monitors activity and flags transactions that may need review; ask whether check and ACH controls are included for your account type. ⁴

Best fit: Ask the bank to confirm, in writing, that your account supports both check and ACH exception alerts—and what happens if you don’t respond to an alert by the decision deadline. Positive Pay often requires you to review exceptions promptly; it may not automatically stop every suspicious payment. Also enable transaction alerts and multifactor authentication.