Legal Information and Claims

Information on supervisors
  • Information on supervisors
  • Corporate Governance and Remuneration Policy
  • Claims and Customer Services

Zinia is a registered trademark of Open Bank S.A.U., a financial institution registered in the Banks and Bankers Register of the Bank of Spain and at the Trade Registry of Madrid on page 202, volume 5308, sheet M-87030.

  • Registered office: Plaza de Santa Bárbara 2, 28004, Madrid, Spain
  • Telephone number: +49 (0) 69 945 189 175
  • Fax number: +34 913 421 050
  • Email address: hilfe@openbank.de
  • Trade name: Openbank
  • Tax ID number: A-28021079
  • Legal business name: OPEN BANK S.A.U.
  • Bank code: 0073

Openbank, in its normal course of business, is supervised by the following institutions, among others:

  • European Central Bank and Bank of Spain.
  • National Securities Market Commission (CNMV).
  • PriceWaterhouseCoopers, S.L. (external audit).
  • Banco Santander, S.A. (internal audit).
  • National Tax Administration Agency.
  • National Social Security Institute (INSS).

The internal audit is carried out by Banco Santander, S.A.

  • Open Bank S.A.U, is a member bank of Spain's Deposit Guarantee Fund for Credit Institutions.

Shareholder structure

Name of shareholderNumber of sharesPercentage
Banco Santander, S.A.172,782,828100%

Claims and Customer Service Department

You may submit a complaint at any time, free of charge to our Claims and Customer Service Department by sending an email to santander_reclamaciones@gruposantander.es or by writing to the following address:

Grupo Santander Claims and Customer Care Service
Apartado de Correos 35.250
28080 – Madrid

The Bank shall respond to complaints in an appropriate manner. In the case of payment service agreements, such response shall be made in writing (e.g., by letter, facsimile or email).

Claims Service of the Bank of Spain

Once the claim or complaint has been filed with the Claims and Customer Service Department, you may contact the Claims Service of the Bank of Spain at the following address:

Calle Alcalá 48, 28014 Madrid.

You can also click here to visit the virtual office of the Bank of Spain.

Before submitting your claim or complaint to the Claim Service of the Bank of Spain Complaints Service, we remind you that current regulations require customers to prove that they have previously contacted Openbank’s Claims and Customer Service Department or the Office of the Customer Ombudsman of the Santander Group, which acts independently in relation to the principles and guidelines it applies in performing its duties.

Complaint forms

Complaint forms are available online and at our offices:

Paseo de la Castellana, 134, 28046 – Madrid

Plaza de Santa Bárbara, 2, 28004 – Madrid