Imprint

Provider

Avantario is a brand of the sole proprietorship David Wardenga, registered in the Commercial Register of the Canton of Zug on 11 February 2026 under UID CHE-190.088.535, with the registered purpose of providing services in the field of online marketing.

David Wardenga
Schwändeli 1
6318 Walchwil
Switzerland

Email: david@avantario.ch
Phone: +41 78 610 88 45

Owner with sole signatory authority: David Wardenga.

VAT

VAT number: CHE-190.088.535 MWST

Editorial responsibility

David Wardenga, address as above.

Legal basis for this notice

This website is operated from Switzerland. The duty to identify the provider follows from Art. 3 para. 1 lit. s no. 1 of the Swiss Federal Act against Unfair Competition (UWG). Where we offer goods or services to customers in the European Union, the relevant EU provisions apply in addition.

Dispute resolution

We are not obliged, and are not willing, to take part in dispute resolution proceedings before a consumer arbitration board.

Data protection

How we handle personal data is set out in our Privacy Policy.