Last updated: 26 April 2026

1. What are cookies

Cookies are small text files that websites store on your device (computer, tablet or mobile) when you visit them. They are used to remember your preferences, improve your browsing experience, gather statistical data and, in some cases, display personalised advertising.

2. Types of cookies by purpose

  • Technical cookies: Necessary for the basic functioning of the website. They do not require consent.
  • Preference cookies: Allow the website to remember the user's preferences.
  • Analytics cookies: Collect aggregated information about how the website is used in order to improve its performance.
  • Marketing cookies: Used to measure the effectiveness of advertising and to show relevant ads on other sites.

3. Cookies used on this website

Technical (necessary — no consent required)

  • _gc_session — Rails session cookie; expires when the browser is closed.
  • gc_cookie_consent — Records the acceptance or rejection of cookies; stored in localStorage for up to 12 months.
  • gc_maintenance_bypass — Access control during pre-launch phases (signed, 30 days).

Analytics (consent required)

  • _ga, _ga_* — Google Analytics 4. Identifies users anonymously to measure site usage. Up to 24 months. Provider: Google LLC.
  • _gid — Google Analytics. 24 hours.

Marketing (consent required)

  • _gcl_au — Google Ads. Advertising conversion attribution. 90 days.
  • _fbp — Meta Pixel (Facebook/Instagram). Identifies users for campaigns and measurement. 90 days. Provider: Meta Platforms Ireland Ltd.
  • fr — Meta. Personalised advertising. 90 days.
  • Google Tag Manager container cookies — Technical management of tag deployment. Variable duration.

If the user rejects analytics and marketing cookies, GC Grup uses Google's advanced consent mode (Consent Mode v2) and Meta's Conversions API to send only aggregated, non-identifying data for the purpose of measuring advertising effectiveness in a GDPR-compliant manner.

4. Types of cookies by duration

  • Session cookies: Deleted automatically when the browser is closed.
  • Persistent cookies: Remain on the device for a set period or until the user deletes them.

5. How to manage cookies

You can accept, reject or configure cookies at any time via our consent banner, which appears on your first visit and can be accessed again by clearing the gc_cookie_consent cookie in your browser.

You can also configure your browser to block or delete cookies:

  • Google Chrome: Settings → Privacy and security → Cookies and other site data.
  • Mozilla Firefox: Options → Privacy & Security → Cookies and Site Data.
  • Safari: Preferences → Privacy → Cookies and website data.
  • Microsoft Edge: Settings → Privacy, search, and services → Cookies.

Please note that disabling technical cookies may affect the correct functioning of the website.

6. International transfers

Some cookie providers (Google, Meta) may transfer data outside the European Union. These transfers are covered by standard contractual clauses approved by the European Commission or equivalent adequacy decisions.

7. Updates to this policy

GC Grup reserves the right to modify this cookie policy at any time. Any changes will be published on this page with the corresponding update date.

If you have any questions about our cookie policy, please contact us at info@gc-grup.com.