Give us your opinion

High-quality relationships grow from honesty. Your feedback helps us to continuously improve ourselves and repeatedly achieve high scores in customer satisfaction surveys (NPS). What do you think of our services, their quality and their range?

The road to improvement leads through your opinion.

Do you have any ideas for improving our services? Get in touch!

Thank you for sharing your experience. We appreciate information and opinions that help us improve our services. A qualified member of our staff will contact you to discuss your concerns.

Please send your suggestions to the e-mail address of the


First instance

You can file a complaint electronically, by phone or in person at the bank’s place of business. If you submit your complaint in person, minutes of the meeting can be taken, in which case we will, of course, provide you with a copy.

How to contact us:

  • At the branch, where your account is kept (in writing, by phone, in person),
  • By calling the bank’s free infoline 
  • 800 521 521,
  • At our e-mail address,
  • using our contact form.

Second instance

Quality and Customer Experience Unit

If you are not satisfied with the handling of your complaint in the first instance, you can request a second-instance review by the Quality and Customer Experience Unit.

Komerční banka, a. s.
Kvalita a zákaznícka skúsenosť
Nám. Junkových 2772/1
155 00 Praha 5 – Stodůlky


Third instance

KB Group Ombudsman

If you disagree with the decision of the Quality and Customer Experience Unit regarding your complaint, you can write to the independent ombudsman in accordance with the Charter of the KB Ombudsman. Further information about the KB ombudsman can be found on this page.

Kvalita a zákaznícka skúsenosť
Nám. Junkových 2772/1
155 00 Praha 5 – Stodůlky


for more information, please contact us

The first name, surname and e-mail address that you provide will be used only to answer your question / handle your request. We will not archive the information in our systems and it will be deleted as soon as your inquiry has been resolved.