Privacy Policy

The data controller for BlueLineHub is BlueLineHub. If you have any questions about how your data is handled, please contact us at hello@bluelinehub.co.uk.

We collect minimal data to provide our services:

• Email address — if you sign up for our newsletter.
• Account details — if you create an account (authentication handled via Supabase).
• Quiz and tracker progress — stored in your browser's localStorage only. This data is never sent to our servers.

Your data is used solely for newsletter delivery and account management. We do not sell, rent, or share your personal data with any third parties for marketing or any other purpose.

We use essential authentication cookies (for sign-in) and Google Analytics 4 cookies for aggregate, anonymised usage statistics. We use localStorage for user preferences, quiz results, and tracker progress (this data stays on your device). We do not use advertising cookies. Full details are on the Cookie Policy page.

• Supabase — authentication and database (EU hosted).
• Coolify / Hetzner — hosting and deployment (EU).
• Resend — transactional emails.
• Google Analytics 4 — aggregate, anonymised usage statistics. Legal basis: legitimate interests. Data shared with Google under their Privacy Policy. Opt-out instructions are on the Cookie Policy page.

Under the UK General Data Protection Regulation, you have the right to:

• Access your personal data
• Rectify inaccurate data
• Erase your data
• Data portability
• Restrict processing
• Object to processing

To exercise any of these rights, contact us at hello@bluelinehub.co.uk.

Account data is kept until you delete your account. Newsletter subscription data is kept until you unsubscribe.

This privacy policy may be updated from time to time. We encourage you to review this page periodically.

Last updated: March 2026.