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 partner and offer you top quality services.

Below you can access National Securities Special Complaint Form which is also available at the Company's offices and branches.

Written complaints shall be submitted:

a) By delivery at the Company's offices (Customer Service Department)
b) Through the network of the Company's Branches
c) By sending an e-mail to:

Complaints Management

National Securities has established and applies procedures for the submission of complaints and reports by its clients, as well as for their appropriate and direct investigation in order to resolve any disputes that may arise from the provision of investment and ancillary services. Complaints may be submitted by all existing or potential clients for free. 

The outcome of the examination and the relative position of National Securities shall be communicated to the clients/investors clearly in plain and understandable language within a reasonable time frame from the receipt of the complaint/report, taking into account its complexity.

In case you are not satisfied with the Company’s reply, you have the option to refer to bodies of alternative dispute resolution, such as:

  • The Greek Financial Ombudsman, Massalias 1, 106 80 Athens, tel. +30 210 3376700, website:
  • ·Hellenic Consumer’s Ombudsman, Leoforos Alexandras 144, 114 71 Athens, Tel.: +30 210 6460862, website:

Please also note that you are able to opt for legal resolution of your dispute (civil action).