Privacy & your data

Who handles your enquiries

For questions about this website or your enquiry, contact Mathias Sudres using the contact form, c/o Calliopée Business Center, Rue de Chantepoulet 10, 1201 Geneva, Switzerland.

Calculators and contact

Calculator inputs are sent to this site’s server and, when needed, to Priminfo or the Federal Tax Administration to obtain results. The application does not save calculator profiles. Technical hosting logs may record requests. Contact enquiries are saved in the Clearwise adviser inbox to answer your request. Your name, contact details, location, appointment preferences, service and message are used to handle your enquiry and any agreed follow-up; you may request deletion. Available times are checked against the adviser’s professional Google Calendar through mathias-sudres.ch, without disclosing event details. Availability is checked again when you submit; a request does not reserve the time. A notification containing your request is delivered to the adviser’s professional Gmail inbox through the shared notification service on mathias-sudres.ch.

External services

Clearwise is hosted through ChatGPT Sites; it shares the adviser’s email notification service with mathias-sudres.ch. WhatsApp, email providers and official source websites process data under their own policies. This site does not add advertising trackers or analytics cookies. Hosting and access services may use essential session mechanisms.

Your rights

You may ask about access, correction or deletion of personal data used for your advisory enquiry by contacting the address above. Do not send medical records or identity documents through this site.