Privacy Policy

1. Who We Are

Sento is a trading name of Aphiliate LTD (Company No. 14732721), registered in England and Wales. We are the data controller for the personal data described in this policy.

2. What Data We Collect

Account data — email address and display name when you create an account.
Usage data — pages visited, timestamps, referrer URL and user-agent string (collected via our page-view tracker).
Contact data — name, email and message content when you use our contact form.
Email subscription data — email address when you subscribe to our newsletter.
Affiliate click data — anonymised click identifiers, page path and IP hash when you click an affiliate link.
Price alert data — email, airport, dates and parking preferences when you set a price alert.
Device & technical data — browser type, operating system, screen resolution and IP address (anonymised where possible).

3. How We Use Your Data

To provide and improve the Sento comparison service.
To personalise your experience and show relevant comparisons.
To send you price alerts and newsletter emails you have opted into.
To track affiliate referrals so we can earn commission from partner sites (this is how we keep Sento free).
To analyse site performance and fix bugs.
To respond to your enquiries via our contact form.
To comply with legal obligations.

4. Legal Basis for Processing (GDPR)

Consent — newsletter sign-ups, price alerts and cookie preferences.
Legitimate interests — analytics, affiliate tracking, fraud prevention and improving our service.
Contract — providing account functionality when you register.
Legal obligation — retaining records as required by UK law.

5. Cookies & Third-Party Scripts

We use essential cookies to keep you logged in and remember preferences. We also use:

TravelPayouts / Emerald — affiliate tracking and link monetisation.
Supabase — authentication and database services.

You can manage cookie preferences in your browser settings. Disabling cookies may affect site functionality.

6. Data Sharing

We do not sell your personal data. We may share data with:

Affiliate partners — anonymised click and conversion data to track commissions.
Service providers — hosting, email delivery and analytics tools that process data on our behalf under strict agreements.
Law enforcement — if required by law or to protect our legal rights.

7. Data Retention

We retain personal data only as long as necessary:

Account data — until you delete your account.
Analytics / page-view data — 26 months.
Affiliate click data — 24 months.
Contact messages — 12 months after resolution.
Email subscriptions — until you unsubscribe.

8. Your Rights (UK GDPR)

You have the right to:

Access — request a copy of the personal data we hold about you.
Rectification — ask us to correct inaccurate data.
Erasure — ask us to delete your data ("right to be forgotten").
Restriction — ask us to limit how we process your data.
Portability — receive your data in a structured, machine-readable format.
Object — object to processing based on legitimate interests.
Withdraw consent — at any time for consent-based processing.

To exercise any right, email hello@sentobot.com. We will respond within 30 days.

9. International Transfers

Your data may be processed outside the UK where our service providers are based. We ensure appropriate safeguards (e.g. Standard Contractual Clauses) are in place.

10. Children's Privacy

Sento is not directed at anyone under 16. We do not knowingly collect data from children. If you believe we have, please contact us immediately.

11. Changes to This Policy

We may update this policy from time to time. The "last updated" date at the top will change. Continued use of Sento after changes constitutes acceptance.

12. Complaints

If you're unhappy with how we handle your data, you can complain to the Information Commissioner's Office (ICO):

Website: ico.org.uk
Phone: 0303 123 1113