Legal
Cookie policy
Last updated: 23/09/2026
This Cookie policy explains what cookies are, which types of cookie tusereno.es may use, what they are for and how you can accept them, reject them or set your preferences.
1. What cookies are
Cookies are small files, or similar technologies, that are stored on or read from your device when you visit a website. They may serve to make the site work properly, to remember preferences, to measure how the site is used, or to personalise content and campaigns.
When this policy refers to cookies, it also refers to similar technologies such as pixels, tags, local identifiers, local storage and equivalent tools.
2. Who uses the cookies
The controller responsible for first-party cookies on this website is:
| Item | Details |
|---|---|
| Controller | Sereno Tech S.L. |
| CIF/NIF | B44916658 |
| Registered address | Calle Tulipán, 1 — 11160 Barbate, Cádiz, España |
| gestion@tusereno.es | |
| Website | tusereno.es |
Third-party cookies may also be used where the user accepts them, for example analytics tools, maps, video, advertising, security, payment gateways or external integrations.
3. Types of cookie we may use
3.1. Strictly necessary or technical cookies
These are necessary for the website to work properly. They allow you, for example, to browse the site, and they maintain security, remember your cookie settings, process forms and enable basic functionality.
These cookies do not require consent, but you can block them in your browser. If you do, some parts of the website may stop working correctly.
3.2. Preference or personalisation cookies
These remember choices made by the user, such as language, area, visual settings or browsing preferences.
Where they are not strictly necessary, they will only be used once you have given your consent.
3.3. Analytics or measurement cookies
These help us understand how the website is used: the most visited pages, where traffic comes from, time spent browsing, errors and interactions. This information allows us to improve the user experience and the performance of the site.
Where these cookies are not technical, or are managed by third parties, they will only be activated if you give your consent.
3.4. Advertising or marketing cookies
These make it possible to measure campaigns, build audiences, cap how often an advertisement is shown, or display advertising related to your interests on other platforms.
They will only be used if you give your express consent.
3.5. Third-party cookies
Some features may depend on third parties, such as maps, videos, payment gateways, analytics, advertising, social networks, security systems or support tools.
Those third parties may process data in accordance with their own policies. We recommend that you review their policies before accepting these cookies.
4. Cookies used on this website
| Cookie / technology | Type | Owner | Purpose | Duration | Consent required |
|---|---|---|---|---|---|
| cookie_consent | Technical | Sereno | Store the user's cookie preference | 12 months | No |
| serena_llave | Technical | Sereno | Protect the conversation with Serena, the booking assistant, so that only the person who started it can continue it | Session | No |
| Serena local storage (serena:*) | Technical | Sereno | Keep the conversation visible across pages, remember the chat size and avoid repeating the invitation to use it | Session (conversation) / up to 7 days (invitation and size) | No |
| Technical session cookies | Technical | Sereno / web provider | Maintain the session, security, navigation and forms | Session | No |
| Stripe cookies | Technical / security / payment | Stripe | Process payments, prevent fraud and secure the transaction | As set by Stripe | No (necessary for payment) |
5. How to accept, reject or configure cookies
When you access the website, a cookie panel is displayed that allows you to:
- Accept all cookies.
- Reject all non-necessary cookies.
- Configure cookies by purpose.
You can change your choice at any time from the Cookie settings link in the footer of the website.
6. Consent
Non-necessary cookies will not be installed until you have given your consent.
The options to accept and to reject are presented clearly and on an equal footing. The settings panel contains no pre-ticked boxes accepting non-necessary cookies.
If you save your settings without selecting any non-necessary cookies, you will be taken to have rejected them.
7. How to disable cookies in your browser
You can also block, delete or limit cookies through your browser settings. The steps may vary depending on the browser and version:
- Google Chrome: Settings → Privacy and security → Third-party cookies / Site data.
- Safari: Settings / Preferences → Privacy → Cookies and website data.
- Mozilla Firefox: Settings → Privacy & Security → Cookies and Site Data.
- Microsoft Edge: Settings → Cookies and site permissions.
If you block technical or strictly necessary cookies, some features of the website may not work properly.
8. International transfers
Some third-party cookies may involve international transfers of data. In those cases, the third parties must apply appropriate safeguards under data protection law, such as adequacy decisions, standard contractual clauses or other valid mechanisms.
You can find more information in the Privacy policy.
9. Updates to this policy
Sereno may update this Cookie policy when the cookies used change, when new tools are added, when the applicable legal position changes, or when technical changes are made to the website.
The version in force is the one published on this page.
10. Contact
For any query about this Cookie policy you may write to: