Quartet Conseil respects people’s privacy and attaches the utmost importance to the security of the personal data entrusted to it. Accordingly, this privacy policy explains how and why we collect, store and use this information.
Who processes the data?
Quartet Conseil is directly responsible for processing the data collected.
The company is registered with the RCS (Trade and Companies Register) under number 449 318 666, and its registered office is located at 4 rue de l’Aveneau, 44240 La Chapelle-sur-Erdre.
The contact details of the person responsible for data protection at Quartet Conseil are given at the end of this document.
What information do we collect, for how long and why?
The information collected is based on users’ explicit consent, in particular when they submit a contact form.
Purposes of processing
The data allows us to get back in touch with users, answer their questions, present our services and discuss their projects. It is recorded in our CRM to ensure effective follow-up and a better quality of customer relationship.
Newsletter
When you subscribe to our newsletter, certain data is collected and kept for 3 years from the last interaction with the prospect.
Customers
If a prospect becomes a customer, the data is kept for the entire duration of the contractual relationship, and beyond if the law imposes certain obligations (proof of a service, accounting obligations, etc.).
Customer service
Information needed for customer follow-up is kept for the duration of the contract. For prospects, it is kept for 3 years after the last contact.
Only duly authorised persons within Quartet Conseil have access to it.
Communication
Quartet Conseil may use the data to share information about its services, news or commercial offers.
Legal bases for processing
The processing of your data is based on several legal grounds:
1. Performance of a contract
Some data is essential to provide a service or respond to a request. Without it, the relationship with the customer cannot work.
2. Consent
Anyone may withdraw their consent at any time and request access to, modification of or deletion of their data.
3. Cookies and tracking technologies
These technologies are used to analyse the use of our site, improve the user experience and tailor our communications.
4. Legitimate interest
We use certain data to:
- deliver personalised advertising (without ever passing your data on to third parties without your consent)
- analyse and segment our audiences
- improve our services
- send marketing communications
- provide customer support
5. Legal obligations
Some data is processed because of legal, tax or social security obligations.
International data transfers
The data collected is stored exclusively in France.
No data is transferred outside the European Union.
Your rights
Right of access
You can request a report on the data Quartet Conseil holds about you.
Right to erasure
You can request the deletion or anonymisation of your data, within the limits of legal retention obligations.
Right to object
You can object to the processing of your data, in particular for direct marketing.
Right to rectification
You can request the correction or updating of your personal data.
All these requests can be sent using the contact details given at the end of this document.
Tracking technologies
Quartet Conseil may use cookies and similar technologies to analyse trends, administer the site, track browsing and collect statistical data.
Users can manage or refuse cookies from their browser. Some services or features of the site may be limited if cookies are refused.
Data security
Quartet Conseil implements technical, administrative and organisational measures to protect personal data. We restrict access to authorised staff and ensure they are trained in confidentiality and security.
Other comments or complaints
For any question relating to data protection, you can contact the person in charge internally at the following address:
Data protection contact:
Christèle Philippe – contact@restogroupes.com
In the event of a dispute, you can also contact the competent supervisory authority. In France, this is the CNIL.
Last updated on 19 October 2026