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Privacy Policy

Last updated: 5 May 2026

1. Data Controller

Marc M — Marc Muller
13 Rue des Peupliers, 57950 Montigny-lès-Metz
Email: [email protected]
Phone: +33688766648

2. Data Collected

When you use the contact form, we collect: your name, email address, phone number (optional), and your message. This data is used solely to respond to your enquiry.

3. Legal Basis

Data is processed on the basis of your consent (Article 6(1)(a) GDPR), given when you submit the contact form.

4. Data Retention

Your data is retained for a maximum of 2 years from the date of last contact.

5. Analytics

This site uses Umami Analytics, a privacy-friendly analytics tool that does not use cookies and does not collect personal data. No consent banner is required.

6. Your Rights

Under GDPR, you have the right to access, rectify, erase, and port your personal data, as well as the right to object to processing. To exercise these rights, contact: [email protected]

7. Complaints

You have the right to lodge a complaint with the CNIL (France's data protection authority): www.cnil.fr

8. Data Processed on Behalf of Clients

This section applies only to clients of Marc M who have subscribed to a management or technical assistance service. It does not apply to visitors of marcm.fr.

Access to clients' Google Business Profile accounts

As part of local marketing services, Marc M offers automated publication of posts on clients' Google Business Profile listings, generated from content already published on the client's own website (blog articles, events, offers).

This functionality relies on the Google Business Profile API and operates under the following principles:

  • Explicit client authorization: each client grants access by manually adding Marc M as a Manager on their Google Business Profile, via the Google Business interface. No access is obtained without this explicit authorization.
  • Manual validation of every post: no post is published automatically. Each post generated by our system requires client validation in their administration panel /admin before publication.
  • Limited OAuth scope: we request only the https://www.googleapis.com/auth/business.manage scope, strictly necessary to read listings and publish posts. No other Google data of the client is accessed (Gmail, Drive, Calendar, Photos, etc.).
  • Secure token storage: OAuth tokens (access token, refresh token) are stored exclusively in Marc M's local macOS Keychain, encrypted at the operating system level. No token is stored in plaintext, on a remote server, or transmitted to any third party.
  • No resale, no sharing: data obtained from the Google Business Profile API (listing information, published posts, view statistics) is never resold, aggregated with other clients' data, or shared with third parties. It serves only the service for which it was collected.
  • No end-user data: we do not collect or store data of individuals consulting our clients' Google Business Profile listings (reviews left, search queries, user journeys, etc.). Such data remains within Google's perimeter.
  • Revocable control at any time: the client can revoke Manager access at any time via the Google Business interface (Settings → Users and permissions). This revocation immediately invalidates our ability to publish on the client's listing.

Compliance with Google API Services User Data Policy

Marc M's use and transfer of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.

Other Google APIs used

Marc M also uses the following Google APIs on behalf of clients, under the same principles (explicit authorization, limited scope, local secure storage, revocable):

  • Google Search Console API: retrieves SEO statistics for the client's site (clicks, impressions, average position, top queries) for monthly tracking reports.
  • Google Indexing API: notifies Google of new pages published on client sites to accelerate indexing.
  • Google PageSpeed Insights API: measures the technical performance of client sites.

For any question regarding the processing of your data within the scope of a service, contact Marc M directly: [email protected]