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Compagnie Droz-Bartholet is committed to ensuring that the collection and processing of your data, carried out from the website, complies with the General Data Protection Regulation (RGPD) and the French Data Protection Act. Link to the official text

Each form limits the collection of personal data to what is strictly necessary (data minimization) and :

the purposes for which the data is collected are clearly indicated on the form(s)
compulsory or optional data are clearly indicated for the management of your request
only Compagnie Droz-Bartholet takes cognizance of it
no data will be transmitted to third parties
You may request to exercise your rights to data protection.

Personal data collected as part of the forms offered on are processed according to secure protocols and enable Compagnie Droz-Bartholet to manage the requests received with regard to the RGPD.

For any information or to exercise your data protection rights concerning the processing of personal data managed by Compagnie Droz-Bartholet, you can contact the company Compagnie Droz-Bartholet by signed letter accompanied by a copy of an identity document to the following address:

Compagnie Droz-Bartholet
Les Terres-Rouges
25130 Villers-Le-Lac


Data is kept for a maximum of 3 months. You can request the deletion of this data (see section YOUR RIGHTS).

Form urls Purpose Duration
/contact Request for information 3 months after dispatch

We use various cookies on the site to improve the operation of the site and our services.

What is a “cookie”?

Cookies are small text files stored by the web browser on the hard disk of the visitor to a website, which are used (among other things) to record information about the visitor or his or her visit to the site. (source Wikipedia)

Limit your web browsing traces on CHROME, FIREFOX and INTERNET EXPLORER browsers

1- Block third-party cookies

Third-party cookies are generally not essential to the operation of the site. You can refuse them by modifying your browser settings.

In Google Chrome :

Menu > Settings > Show advanced settings (located at the bottom of the page).

Next, click on the Content settings button, then tick the Block cookies and data from third-party sites box, and finally click OK to confirm your choice.

In Firefox :

Menu > Options > “Privacy” tab

Set the “Retention rules” menu to “Use personalized settings for history”.

Finally, uncheck the “Accept third-party cookies” box.

In Internet Explorer :

Menu > Internet Options > “Privacy” tab and click on the Advanced button to bring up the Advanced Privacy Settings window.

Then check the “Override automatic cookie handling” box, and select “Decline” in the “Third-party cookies” column.

2- Eviter l’installation des cookies traceurs (tracking) avec des extensions ?

Il existe de nombreuses extensions/modules qui peuvent être installé dans les navigateurs afin de bloquer les cookies traceurs.

Ex. pour Chrome et Firefox : Disconnect ou Ghostery

3- Avoid social network sharing buttons

Every time you share or like content via social networking buttons on websites, you’re being tracked.

To avoid this, you can install a software blocker like PRIVACY BADGER

Types of cookies

3 types of cookies are stored on the website

1- Operating cookies (necessary for the site)

They enable the site to function optimally. You can block them with your browser, but the site may not function optimally.

Cookies Purpose Duration
Tarteaucitron Saving your cookie consent choices 12 months
has_js Javascript detection Session duration

2- Audience measurement cookies

The site uses the Google Analytics audience measurement solution.

Since May 25, 2018, Google Analytics allows you to manage the retention period of user data. It is set by default at 26 months for

Furthermore, in accordance with the RGPD, you can request the deletion of your data in Analytics. To do this, you need to provide us with your Analytics cookie number (_ga) by post with proof of identity.

Learn more about data protection in Google Analytics

Cookie Purpose Duration
_ga User identification cookie 24 months
_gid User identification cookie 24 hours
_gat Used to reduce demand rate 1 minute

On your first visit to, a banner informs you of the presence of these cookies and invites you to indicate your choice. They are only stored if you accept them or if you continue browsing the site by visiting a second page of You can inform yourself at any time and configure your cookies to accept or reject them by going to the [Cookie management] page at the bottom of each page of the site. You can indicate your preference either globally for the site, or service by service.


Server logs are kept for 12 months (French telecommunications code).

They are not used for cross-checking or statistical purposes.

They are generally used for incident research, particularly in the event of attacks or attempted attacks.