Frequently asked questions

Clarify the most common questions from our suppliers

Need help?

If you’re a supplier, find the answers to your questions here.

Do I need to accept the General Conditions to become a NOS supplier?

Are there other requirements to become a NOS supplier?

What are the criteria for supplier selection during the contract award process?

What is the invoice payment term for NOS Group companies?

How can I check the validation and approval status of an invoice?

Who should I contact for billing-related questions?

Who can I contact regarding Sustainability, Security and Privacy?

Who should I contact regarding registration and use of the Vortal platform?

Are there any costs associated with registering on the platform and participating in tenders?

How can I present my company?

Are suppliers evaluated on their service performance?