Cookie Policy
Last updated: May 8, 2026
1. Data Controller
The controller of data collected through cookies is SIMATAI SL (Tax ID B64510001), registered at Ganduxer 39-41, 2-2, 08021 Barcelona (Spain), contact email hello@btmdata.com.
This policy is governed by the GDPR (EU 2016/679), Spanish LOPDGDD (LO 3/2018) and Article 22.2 of the Spanish LSSI-CE.
2. What are cookies?
Cookies are small text files a website stores in your browser to remember information about your visit: language, session, usage statistics, etc.
3. Cookies we use
| Category | Purpose | Provider | Duration | Legal basis |
|---|---|---|---|---|
| Strictly necessary | Authentication, security, load balancing, consent storage. | BtMData, Supabase | Session / up to 12 months | Legitimate interest (LSSI Art. 22.2: exempt) |
| Analytics | Measure traffic, pages visited and aggregate behavior. IP anonymized. | Google Analytics 4 (Google Ireland Ltd.) | Up to 14 months | Consent (GDPR Art. 6.1.a) |
| Marketing | Not currently used. Reserved for future campaigns subject to prior notice and consent. | — | — | Consent (GDPR Art. 6.1.a) |
4. International transfers
Google Analytics may involve data transfers to the United States. Google is certified under the EU–US Data Privacy Framework, providing adequate safeguards under the GDPR. IP anonymization is enabled by default.
5. Managing your consent
On your first visit we display a banner where you can accept, reject or configure which categories to enable. You can change your decision at any time:
You can also block or delete cookies from your browser settings (Chrome, Firefox, Safari, Edge). Disabling strictly necessary cookies may impair basic site functionality.
6. Consent retention
Your decision is stored locally in your browser (key btmdata.cookie-consent) for up to 12 months. After that, we will ask for consent again.
7. Your rights
You can exercise your rights of access, rectification, deletion, objection, restriction and portability by writing to hello@btmdata.com, and lodge a complaint with the Spanish Data Protection Agency (www.aepd.es). Further details in our Privacy Policy.
8. Changes
This policy may be updated to reflect legal or technical changes. The current version is always the one published on this page, with the last-updated date shown above.