CHE109350381null Im Weidli 6, 8405 Winterthur
S. Leutenegger, Dipl. Ing. ETH/SIA is a Swiss Einzelfirma based in Winterthur, 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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