Sub-processors
Last updated 7 November 2026
These companies process personal data on our behalf to run Survey Tracker. We tell account owners at least 30 days before adding or replacing one.
| Company | What for | Data | Where |
|---|---|---|---|
| Supabase | Database, file storage and sign-in | All account and survey data, photos, sign-in details | UK (London, eu-west-2) |
| Vercel | Hosting the website and app | Data passing through requests, request logs (IP address, browser) | Global edge network, US company (UK-US data bridge) |
| Resend | Sending sign-in codes, notifications and setup tips for new companies | Email address, name, email content | US (UK-US data bridge and UK addendum) |
| Apple | Sign in with Apple, only for people who choose it | Apple account identifier, email (or Apple relay email), name | US and Ireland |
Payments will be taken by a payment provider, added here before card payments go live.