Ethical and Responsible Management


How we manage ethical issues

The conduct of our business and action in the market and society are governed by ethical values and principles that underpin our ambition and the growth objectives we want to achieve.

Ethical and responsible business principles

  • Professionalism
  • Integrity
  • Transparency
  • Independence
Code of Ethics
The NOS Code of Ethics reflects the set of principles and rules that govern the internal and external relations of NOS Group's companies with their stakeholders. The Code applies to all members of the governing bodies and all of the Group’s employees, as well as to all who act on behalf of NOS and any person or entity providing services to the Group, whether on a long-term or temporary basis.

NOS and its Employees

The Code of Ethics sets out how NOS relates with its people, how they are expected to relate with each other and the attitude we all must adopt regarding the business.

NOS and its Stakeholders

NOS and its employees are committed at institutional and individual level to observe strict ethical principles in the relations with our stakeholders, in accordance with the latter’s needs and particularities as well as the strictest principles of rigour and transparency in all forms of reporting.

NOS’ business conduct

NOS and its employees undertake to create value in the long-term, as well as to develop and put in place mechanisms permitting an honest and transparent business management.

For further information, please refer to the NOS Code of Ethics full version and the short version for Partners and Suppliers.

Other Policies

The Code of Ethics operates in conjunction with the other Policies and Codes assumed by NOS that develop and deepen some of the established ethical principles, as well as with the legislations/regulations that are, at each moment, applicable.


Gender Equality Plan 2024
Code of conduct to prevent and fight against harassment at work

Security & Privacy

Security Policy
Business Continuity Policy
Privacy Policy
Declaration of Commitment Privacy and Personal Data Protection of the NOS Group

Responsible Partners

Sustainability Requirements for Suppliers and Partners


Sustainability Policy
Code of Conduct Prevention of Corruption and Related Offences
CEO Guide to Human Rights

Ethics Committee

The NOS Ethics Committee was appointed by the Corporate Governance and Sustainability Committee. It is comprised by:

i. a non-executive director, Chairman of the Committee;
ii. the executive board member in charge of Human Resources;
iii. the Chairman of the Statutory Audit Board, with the Head of the Audit Department as secretary.

The Ethics Committee is responsible for supervising and maintaining NOS’ Code of Conduct and for monitoring its application and ensuring its observance by all members of the governing bodies as well as all employees.

The Ethics Committee may receive requests for clarification of doubts or the voicing of concerns about the Code of Ethics or compliance thereof from employees, partners, suppliers, customers or third parties, either in person or in writing, in this case via e-mail address:

Requests for clarification:
Irregularities report:

For further information, please refer to the Ethics Committee Regulation.