Substanto
Subprocessors
Substanto Ltd engages the third-party subprocessors below to help deliver the Service. Each processes the data shown, in the country shown, under a data processing agreement with obligations no less protective than our own Data Processing Agreement. Under each provider's commercial terms, customer inputs and outputs are not used to train their models.
| Subprocessor (entity, country) | Purpose | Data shared |
|---|---|---|
| Anthropic, PBC — United States | Drafting answers from your context (Claude API) | Question text and relevant document / answer excerpts |
| Voyage AI, Inc. — United States | Semantic matching (embeddings) | Question and answer / document text |
| Stripe [confirm entity] — [Ireland / United States] | Payments and billing | Billing details, handled by Stripe |
| Render, Inc. — United States | Application hosting | Service data in transit and at rest |
| Supabase, Inc. — United States | Database hosting | Account data and Your Content |
| Vercel, Inc. — United States | Frontend and app hosting | Static app assets; no document content |
| Plausible Insights OÜ — Estonia (EU) | Privacy-friendly, cookieless website analytics | Aggregate page views and referrers; no cookies, no personal data |
We give at least 30 days' notice before adding or replacing a subprocessor, and a reasonable opportunity to object, as set out in our Data Processing Agreement.
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Substanto Ltd. Registered in England and Wales, company number 17447004. Registered office: Unit 82a James Carter Road, Mildenhall, Bury St Edmunds, IP28 7DE.
Version 1.0, 8 September 2026.