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Cathay bank


Online Banking

At Cathay Bank, we strive to provide our customers with the highest quality of customer service. If you had a less than positive experience with us, we want to hear from you.

Please complete the information below to advise us of your issue/concern. When you are finished, click on the “Submit” button at the bottom of the page to send your complaint to us.


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By providing your telephone number and/or email address, you give us permission to contact you by telephone or email to obtain any additional information we need to respond to your complaint. We will not share this information or use it for marketing or other purposes.:


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Please provide specific information so we may research and respond to your complaint. If we need more information, we will contact you at the email address or telephone number you provided above.:

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Consumer Customer Service
6:00 a.m. - 7:30 p.m. Pacific Time, Monday through Friday.

Business Customer Service

6:00 a.m. - 6:00 p.m. Pacific Time, Monday through Friday.

Automated information is available 24 hours a day, 7 days a week.

U.S. customers in Hong Kong can dial toll-free 3710-1400 to contact U.S. Customer Service directly.

Thanks for visiting the Cathay Bank Web Site!

You are about to leave the web site of Cathay Bank and enter into a site that is not controlled by us.

Cathay Bank does not endorse, sponsor or guarantee the information, content, presentation, accuracy or recommendations provided by the site. In addition, Cathay Bank is not responsible for the privacy practices or security of the site. You are encouraged to review the privacy policy of the Web Site before providing any personal information.

If you have any complaints regarding the site, or the service(s) offered, please contact us at:

Cathay Bank

Compliance Department

9650 Flair Drive EL-5-C

El Monte, CA 91731.

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Please do not include sensitive information such as account numbers or non-public personal information such as Social Security or Tax Identification numbers in any e-mail sent to us via this link.