Owner and Address 

SUMSUM the brand
Owner: Franziska Sumberaz 
Mühlfeldgasse 1/181020 Vienna Austria
Phone: +43 676 9436474

Sorry, we do not offer phone support. For any inquiries or further information please leave us a message via email.

Business purpose: Production and distribution of fashion jewelry. 

UID No.: ATU77662708
We automatically charge the Austrian sales tax (20%) to every order. If you’re a business customer please contact us via email. 

The European Commission provides a platform for an online dispute resolution (OS). We are neither obliged nor willing to participate in a dispute resolution procedure. 


Studio Mato Johannik 

Liability note

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