Data controller
HESION S.A.S., 1, Allée de la Rhubarbe, 78260 Achères, France · contact@hesion.fr
Data collected
Through our forms (contact, documentation requests, assessments, support, job applications): surname, first name, company, job title, email, telephone number, message and, where applicable, CV.
Through website analytics, only with your consent: browsing data (page views, visit duration, device type, anonymised IP address).
Purposes and legal bases
Responding to your enquiries and sending you quotations or documentation (pre-contractual measures, legitimate interest).
Managing job applications (pre-contractual measures).
Measuring and improving website traffic (consent).
Recipients
Your data is intended solely for the relevant Hesion teams and our technical service providers (hosting, website analytics). It is never sold.
Retention periods
Sales enquiries: 3 years from the last contact.
Job applications: 2 years, unless you object.
Analytics cookies: a maximum of 13 months; your consent preference is stored for 6 months.
Cookies and Google Analytics
The website uses Google Analytics (Google Ireland Ltd) to generate traffic statistics. These cookies are only set after you give your consent via the banner displayed on your first visit. You can change your preference at any time via the « Cookie Settings » link at the bottom of the page.
Google may transfer certain data outside the European Union under the EU–US Data Privacy Framework.
Your rights
You have the right to access, rectify, erase, restrict processing of, object to processing of and obtain portability of your data, as well as the right to withdraw your consent. To exercise these rights: contact@hesion.fr or write to our registered office address.
You can also lodge a complaint with the CNIL (www.cnil.fr).
Safety
Hesion implements appropriate technical and organisational measures to protect your data against unauthorised access, loss or alteration.
Last updated: October 2026.