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Submission of comments, suggestions or complaints

​​​Your comments, suggestions, recommendations or complaints help us to improve our services. 

Our goal is to be your preferred banking partner and offer you top quality services.

If there is any issue regarding the services we provide or if you want to submit a comment or suggestion, please contact:

any member of staff at your local Branch for immediate assistance.

With their experience and knowledge our staff will help you resolve any issues that may arise during the course of our banking relationship.

  • If, however, you are not satisfied, you can:
    Contact the NBG’s Customer Relations Governance Sector:
     by calling 800 11 88988, for calls from a landline within Greece (free of charge) or
    +30 210 48 06 100, for calls from a mobile phone or abroad (charge at the rates applied by the phone provider)
    Monday to Friday, 8:00 to 16:00

    by filling out the electronic Form for submission of comments, suggestions or complaints

    by sending an e-mail to customer.service@nbg.gr
    by sending a letter or a printed form, available at the Branches of our Bank,
    by regular mail to:
    National Bank of Greece
    Customer Relations Governance Sector

    Omirou 30, 106 72 Athens


    by fax to: +30 210 33 47 740​
    Our Customer Relations Governance Sector​ will look into any such issues and get back to you as soon as possible in line with the regulatory framework applicable.
    If, however, further investigation is required, you will be notified accordingly.
    • If you still feel that your issue has not been resolved satisfactorily, you can:

      Contact in writing, within 30 days of receiving the Bank’s response, the "Hellenic Ombudsman for Banking-Investment Services", at:

      Hellenic Ombudsman for Banking-Investment Services
      Massalias 1, 106 80 Athens, Greece 

      The "Hellenic Ombudsman for Banking and Investment Services" is a non-profit entity under private law. It was formed as a result of the merger of the Banking Ombudsman and the Investment Ombudsman and has been in operation since 1 July 2005, its goal being to consider and examine fairly, impartially and transparently disputes arising from the provision of banking and investment services with a view to proposing amicable settlement. 
      For more information please visit the Ombudsman for Banking-Investment Services website at www.hobis.gr