Last updated: 25 March 2026
This policy explains how CrewSynk uses cookies and similar technologies.
This Cookie Policy applies to CrewSynk, operated by CrewSynk Ltd, a company registered in England and Wales (company number 17194182), at crewsynk.co.uk.
Registered office: Flat 1, 2 Hoffmans Road
London
E17 6ZF
United Kingdom
Contact: support@crewsynk.co.uk
Cookies are small text files placed on your device when you visit a website. They help the site work properly, remember your preferences, and provide information about how the site is used.
CrewSynk is a web application, not a marketing website. We use only the cookies necessary to operate the Platform. We do not use advertising cookies, tracking pixels, or analytics cookies that follow you across third-party websites.
These cookies are used solely to provide and secure the functionality of the Platform.
Strictly Necessary Cookies
These cookies are essential for the Platform to function. You cannot opt out of these without breaking the Platform.
| Cookie | Purpose | Provider | Duration |
|---|---|---|---|
| sb-[ref]-auth-token | Stores your authentication session so you remain logged in | Supabase | Session / up to 1 week |
| sb-[ref]-auth-token-code-verifier | Used during secure login (PKCE flow) | Supabase | Session |
Functional Storage
We use browser storage (such as localStorage, which is not a cookie) for some preference storage such as UI state. This is stored locally in your browser and is not transmitted to our servers.
Third-Party Cookies — Stripe
Stripe may set cookies when you interact with the subscription or payment flow. These are required for Stripe's fraud prevention and checkout functionality.
| Cookie | Purpose | Provider | Duration |
|---|---|---|---|
| __stripe_mid, __stripe_sid | Fraud prevention and session tracking during checkout | Stripe | 1 year / session |
See Stripe's privacy policy: stripe.com/gb/privacy
We do not use Google Analytics, Facebook Pixel, or any advertising or cross-site tracking cookies.
Strictly necessary cookies cannot be disabled — the Platform will not function without them.
Because we only use strictly necessary cookies, we do not require a cookie consent banner.
You can manage or block other cookies through your browser settings. Note that blocking certain cookies may affect how the Platform works.
Browser guides:
We may update this Cookie Policy if we add new features or third-party services. The "Last updated" date reflects the current version.
Questions about cookies: support@crewsynk.co.uk