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Subprocessors

Last updated 25 August 2026

The providers in the first table process Customer-controlled personal data on our behalf and are authorised as subprocessors under our Data Processing Agreement.

Provider Purpose Primary processing location
Supabase Authentication, PostgreSQL database and private file storage London, United Kingdom (eu-west-2)
Railway Application hosting and infrastructure Amsterdam, Netherlands (EU West Metal)
Postmark (AC PM LLC) Account and transactional email delivery; message content is retained by Postmark for up to 45 days United States and other locations used by Postmark and its infrastructure providers

Other providers used for our own controller processing

Provider Purpose Role and location
Stripe Subscription billing, payment processing, regulatory compliance and fraud prevention Stripe may act as our processor or as an independent controller depending on the activity. Processing may occur in the United Kingdom, EEA and other locations described by Stripe. Payment-card details are collected directly by Stripe and are not stored by One Big Team.

We will update this page if a provider, purpose, role or relevant location changes. We will give Customers notice before appointing or replacing a subprocessor in accordance with our Data Processing Agreement. A provider will not be described as active until the relevant production integration and contractual safeguards are in place.

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