CHE230343813c/o Dr. iur. Andri Mengiardi, Conrad Mengiardi Hartbertstrasse 1, 7001 Chur
Rudolf Calonder & Angela Weyersberg Stiftung is a Swiss Stiftung based in Chur, registered in the commercial register.▍
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Company facts reflect public commercial-register data. Officer and relationship data is derived from published register text. Register data as of 4 July 2026.
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