Privacy policy
Last updated: 21/10/2026
1. Data controller
The data controller is C4J (SAS), ZAC Les Ancizes, 03300 Creuzier-le-Neuf. Contact: contact@c4j.fr.
2. Data collected
The c4j.fr website is a showcase site. We only collect data when you contact us:
- Contact data you voluntarily provide (name, email, message) when you write to us.
- Technical data strictly necessary for the operation and security of the site (server logs). No audience measurement and no advertising cookies.
3. Purposes and legal bases
- Respond to your contact requests (legitimate interest or pre-contractual measures).
- Ensure the operation and security of the site (legitimate interest).
- Comply with our legal obligations where applicable (legal obligation).
4. Recipients
Your data is processed by C4J and, where applicable, by its host W3plus (France, European Union). It is neither sold nor transferred to third parties for commercial purposes.
5. Retention period
Contact messages are kept for the time needed to handle your request, then archived or deleted. Technical logs are kept for a limited period for security purposes.
6. Your rights
In accordance with the GDPR, you have the right to access, rectify, erase, restrict and object to the processing of your data, as well as the right to lodge a complaint with the CNIL.
To exercise these rights: contact@c4j.fr.
7. Cookies
This site uses only cookies strictly necessary for it to work (display preferences, language); no audience measurement and no third-party tracking cookies. A banner informs you of this on your first visit and remains available via ‘Manage cookies’ at the bottom of the page.