Ctrl
+
K
English
Ctrl
+
K
Andreas Klettenberg
Active roles
3
Companies
1
Business start
2026
Active roles
UpperCore OÜ
Registered
Board member
since 06.01.2026
Founder
since 06.01.2026
Shareholder
since 06.01.2026
· 50%
Shared network
AK
Andreas Klettenberg
UpperCore OÜ
Jan Marten Tr…