Company

Privacy

This site has no form, no account, no analytics and no cookies. The only personal data we receive is what you send us by e-mail.

Last updated 9 November 2026

Who is responsible

The data controller is Mahé Chadeffaud, sole proprietor trading as Causal64, 7 rue Marie-Thérèse Hermann, 74000 Annecy, France, reachable at contact@causal64.com. No data protection officer is appointed; our processing does not require one (GDPR art. 37).

What we process and why

E-mails you send us
Your address, your name and any details you include, to answer you and prepare a proposal. Legal basis: steps taken at your request before a contract (GDPR art. 6(1)(b)).
Client correspondence
Messages and documents exchanged during a contract, to perform it. Legal basis: the contract (art. 6(1)(b)).
Invoices
Billing details, to meet accounting obligations. Legal basis: legal obligation (art. 6(1)(c)).
Technical data
IP address and browser data processed by our host to deliver pages and protect the site. We do not use them to identify visitors. Legal basis: legitimate interest in running a secure site (art. 6(1)(f)).

How long

Enquiries that lead to no contract are deleted three years after your last message. Contract correspondence is kept for the duration of the contract plus the limitation period. Accounting records are kept for ten years, as French law requires.

Who receives it

Mahé Chadeffaud, and Hugo Marotin when he works on your project. Our e-mail provider and our host process data on our behalf. Cloudflare may transfer technical data to the United States under the EU-U.S. Data Privacy Framework. We do not sell personal data.

Cookies

The site sets no cookies and stores nothing on your device. Fonts and scripts are served from our own domain. Links to other sites lead to pages with their own rules.

Your rights

You can ask to access, correct or delete your data, to restrict or object to its use, and to receive it in a portable format, by writing to contact@causal64.com. You can also complain to the CNIL, the French data protection authority (cnil.fr).