Legal notice
Provider information required under § 5 of the German Digital Services Act (DDG), for the apps Nanna and Ninna and for this website.
Operator: upstairs
Address: 380 Beonyeong-ro, Gunpo-si, Gyeonggi-do, 15849, South Korea
Represented by: Hyojae Shin
Email: [email protected]
Responsible for the content: Hyojae Shin
VAT identification number
None — upstairs is established in the Republic of Korea and holds no EU VAT identification number.
Online dispute resolution
We are neither obliged nor willing to take part in dispute resolution proceedings before a consumer arbitration board. Write to us directly and we will do our best to sort it out.
Korean business registration
Trade name: upstairs
Representative: Hyojae Shin
Business registration number: 183-65-00814
Mail-order sales registration number: 2026-Gyeonggi Gunpo-0208