Personal Data Protection Policy – CGN

Website: http://www.cgnfrance-pro.com/en

1. Who are we?

CGN is responsible for processing your personal data collected via the website cgnfrance-pro.com.

For any questions regarding your personal data, you can contact us at: contact@cgnfrance.com or by mail at:
167 Boulevard Salvador Allende, 44800 Saint-Herblain, France.

2. What data do we collect?

As part of our business activities and your browsing on our website, we may collect the following data:

  • Identification data: surname, first name, company name, SIRET number.

  • Contact data: email address, telephone number, postal address.

  • Connection data: IP address, browsing logs, technical cookies.

  • Contractual data: quotations, orders, service history.

3. Why do we use your data?

Your personal data is processed for the following purposes:

  • Customer relationship management: processing your requests, preparing quotations, monitoring services and invoicing.

  • Communication: responding to your messages and information requests.

  • Service improvement: anonymized analysis of website usage to improve content and user experience.

  • Legal obligations: retention of accounting and tax records in accordance with applicable regulations.

4. What legal basis do we rely on?

Depending on the processing concerned, we rely on the following legal bases:

  • Performance of a contract: for managing your orders and services.

  • CGN’s legitimate interest: for improving our services and securing our website.

  • Compliance with a legal obligation: for retaining accounting and tax documents.

  • Your consent: for sending marketing communications or using non-essential cookies.

5. How long do we keep your data?

Your data is retained only for the time strictly necessary for the purposes for which it was collected:

  • Active customer data: throughout the commercial relationship, then for 3 years from the last interaction.

  • Accounting and tax data: 10 years in accordance with legal obligations.

  • Marketing/prospecting data: 3 years from collection or last contact.

  • Connection data and cookies: maximum 13 months.

6. Is your data shared?

CGN France does not sell or rent your personal data to third parties. However, your data may be shared with:

  • Our technical subcontractors (hosting providers, IT tools) strictly within the framework of their missions and according to our instructions.

  • Competent authorities, only where required by law.

Any service provider we use is contractually committed to respecting the confidentiality and security of your data in accordance with the General Data Protection Regulation (GDPR).

7. Is your data transferred outside the European Union?

CGN undertakes to keep your data within the European Union. In the exceptional event that a transfer outside the EU is necessary, it will only be carried out to countries providing an adequate level of protection or under appropriate contractual safeguards (standard contractual clauses of the European Commission).

8. What are your rights?

In accordance with the GDPR and the French Data Protection Act, you have the following rights regarding your personal data:

  • Right of access: obtain a copy of your data.

  • Right to rectification: correct inaccurate or incomplete data.

  • Right to erasure: request deletion of your data in cases provided for by law.

  • Right to restriction of processing: temporarily freeze the use of your data.

  • Right to data portability: receive your data in a structured, machine-readable format.

  • Right to object: object to certain processing activities, particularly for marketing purposes.

  • Right to withdraw your consent at any time, without affecting the lawfulness of processing carried out before withdrawal.

To exercise these rights, contact us at: contact@cgnfrance.com, attaching a copy of your identity document if necessary.

If you are not satisfied with our response, you have the right to lodge a complaint with the French Data Protection Authority:
CNIL — 3 Place de Fontenoy, 75007 Paris, France.

9. Data security

CGN implements all appropriate technical and organizational measures to protect your data against unauthorized access, loss, alteration, or disclosure: encrypted communications (HTTPS), access controls, regular backups.

10. Cookies

Our website uses cookies to ensure proper operation and improve your browsing experience. During your first visit, a banner allows you to manage your preferences. You may modify these settings at any time via our cookie manager accessible at the bottom of the page.

For more information, click the "CONFIGURE COOKIES" button located at the bottom of this page.

11. Updates to this policy

CGN reserves the right to update this policy to reflect legal or operational changes. The date of the latest update is indicated at the bottom of the page.

Last updated: May 2026