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Business Identification Number (UID) Register: Who Qualifies and What You Get

Learn how to obtain your unique 13-digit identifier required for VAT, social security, and all official government business in Switzerland.

The Business Identification Number (UID) Register is a central system that provides a single, unique 13-digit code to identify your business in all official government processes.

Who it's for

This register is for any entity that is liable for VAT (Value Added Tax) or social security obligations.

What you get

You receive a unique 13-digit identifier, often referred to as a UID-Nummer. This number serves as your primary identification for all interactions with government authorities.

What it costs you

There is no cost to use this system; it is free. However, you are required to use this number for all official correspondence.

The catch to know

You must update your information immediately if your business undergoes a change in its legal form or if your registered address changes.

How to apply

  1. Visit the official registration portal.
  2. Complete the required identification details for your entity.
  3. Submit your application for processing.
  4. Use your assigned number for all future government interactions.

https://www.uid.admin.ch