Sonja Christen, Switzerland, Basel, female

Sonja Christen

Beta — errors possible

Active

Nationality: Switzerland

Residence: Basel

Place of origin: Belp

Current Positions

Wohnstadt Bau- und VerwaltungsgenossenschaftActive

Position: member of the board

Authority: joint signing authority (any two to sign)

Luca Selva Architekt ETH BSA SIA AGActive

Authority: individual signing authority

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SOGC Notifications

No.	Journal No.	Journal date	SOGC date	Page / ID
1	1305	2026-02-17	2026-02-20	1006575646
2	5320	2019-09-13	2019-09-18	1004718693
3	4715	2017-08-24	2017-08-29	3720239