ZertES, CO
KPMG / SAS
CHF
Yes, electronic signatures are generally legally valid in Switzerland under ZertES, CO and sufficient for most contract types without a form requirement. canusign uses the simple electronic signature (SES); for documents with a statutory written-form or notarial requirement it is not sufficient.
In Switzerland, you can digitally sign most contracts, including: Rental agreements, Purchase contracts, Employment contracts, NDAs. Exceptions are: Real estate, Gifts over CHF 100k.
The responsible authority in Switzerland is KPMG / SAS. They oversee compliance with legal requirements for electronic signatures.