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Jan Marten Trei
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
JM
Jan Marten Trei
UpperCore OÜ
Andreas Klett…
