Key Takeaways

  • 6,515 total complaints on file with the CFPB.
  • Most complaints are about Checking or savings account (3,134).
  • Timely response rate: 99.9%.
  • Consumer disputed rate: 23.8% of resolved complaints.
6,515 Total complaints
99.9% Timely response rate
23.8% Consumer disputed rate
Checking or savings account Most common product

Complaints by Product

The following table shows how complaints against BMO Bank, N.A. break down by financial product category.

Product Complaints % of Total
Checking or savings account 3,134 48.1%
Mortgage 840 12.9%
Credit card 504 7.7%
Bank account or service 366 5.6%
Vehicle loan or lease 344 5.3%
Credit reporting or other personal consumer reports 300 4.6%
Credit reporting, credit repair services, or other personal consumer reports 230 3.5%
Money transfer, virtual currency, or money service 221 3.4%
Credit card or prepaid card 191 2.9%
Debt collection 154 2.4%
Payday loan, title loan, personal loan, or advance loan 89 1.4%
Consumer Loan 85 1.3%
Payday loan, title loan, or personal loan 38 0.6%
Money transfers 5 0.1%
Prepaid card 5 0.1%
Credit reporting 3 0.0%
Student loan 3 0.0%
Other financial service 2 0.0%
Debt or credit management 1 0.0%

Most Common Issues

These are the specific issues consumers most frequently report about BMO Bank, N.A..

Managing an account 1,781
Closing an account 520
Opening an account 506
Incorrect information on your report 275
Trouble during payment process 268
Managing the loan or lease 245
Improper use of your report 204
Problem with a lender or other company charging your account 192
Account opening, closing, or management 188
Loan servicing, payments, escrow account 163

Company Response Breakdown

When consumers file complaints, BMO Bank, N.A. responds in one of several ways. The breakdown below shows how BMO Bank, N.A. has resolved complaints.

Response Count Percentage
Closed with explanation 4,887 75%
Closed with monetary relief 938 14.4%
Closed with non-monetary relief 640 9.8%
Closed without relief 27 0.4%
Closed with relief 18 0.3%
Closed 2 0%
Untimely response 2 0%
In progress 1 0%

Complaints by State

Top states where consumers have filed complaints against BMO Bank, N.A..

State Complaints
Illinois 1,395
California 1,213
Wisconsin 627
Arizona 418
Florida 358
Texas 244
Indiana 199
Minnesota 189
Colorado 154
New York 140
Missouri 123
Georgia 92
Nevada 87
Washington 83
Pennsylvania 82
North Carolina 80
Ohio 77
Virginia 75
New Jersey 70
Iowa 68

Your Rights

What to do if you have a complaint against BMO Bank, N.A.

  1. Contact BMO Bank, N.A. directly. Many issues can be resolved by calling their customer service line or submitting a written complaint.
  2. File a complaint with the CFPB. Visit consumerfinance.gov/complaint. The company must respond within 15 days.
  3. File with your state attorney general. Your state AG's consumer protection division investigates patterns of complaint.
  4. Consult a consumer protection attorney. If you've suffered financial harm, an attorney can advise you on your legal options including potential lawsuits.

Frequently Asked Questions

  • How many complaints does BMO Bank, N.A. have?

    BMO Bank, N.A. has 6,515 consumer complaints on file with the CFPB as of our last data refresh.

  • What is the most common complaint about BMO Bank, N.A.?

    The most common issue reported is Managing an account with 1,781 complaints.

  • How do I file a complaint against BMO Bank, N.A.?

    You can file a complaint with the CFPB at consumerfinance.gov/complaint. The company is required to respond within 15 days. You can also contact your state attorney general or consult a consumer protection attorney.

  • Does BMO Bank, N.A. respond to complaints on time?

    BMO Bank, N.A. has a 99.9% timely response rate, meaning that percentage of complaints received a response within the CFPB's required timeframe.

Source: Consumer Financial Protection Bureau — Consumer Complaint Database. Accessed April 2026.