Cookie Policy
Last updated: May 2026
What are cookies?
Cookies are small text files placed on your device by a website. They help the site remember information about your visit, such as whether you are signed in. Cookies do not contain executable code and cannot access files on your device.
Cookies we use
Session cookie (auth)
Purpose: Keeps you signed in to your Sullio account across page loads.
Type: Essential — required for the platform to function.
Duration: Expires when you close your browser or sign out.
Stripe.js cookies
Purpose: Set by Stripe's payment library to detect fraud and ensure secure payment processing.
Type: Essential — required for payment functionality to work.
Duration: Varies; set and managed by Stripe.
Cookies we do not use
We do not use advertising cookies, tracking pixels, social media cookies, or any third-party analytics tools that profile your browsing behaviour across other websites.
Managing cookies in your browser
You can control and delete cookies through your browser settings. Be aware that disabling the session cookie will prevent you from signing in to Sullio, and disabling Stripe's cookies may prevent payments from completing.
Instructions for common browsers:
- Chrome: Settings → Privacy and security → Cookies and other site data
- Firefox:Settings → Privacy & Security → Cookies and Site Data
- Safari: Preferences → Privacy → Manage Website Data
- Edge: Settings → Cookies and site permissions
Further information
For general information about cookies, visit the ICO's guidance at ico.org.uk. For questions about how we use cookies, contact privacy@sullio.co.uk.