Legal · GDPR Article 28

Sub-processors

We use a small set of trusted third parties to deliver Proprietas. Each one is bound by a written data-processing agreement and is assessed annually. We give account admins 30 days' notice before adding or replacing any sub-processor.

Last reviewed 14 May 2026.

Purpose
AI document extraction — reads uploaded PDFs (leases, compliance certificates) to return structured fields.
Data categories
Document contents (which may include tenant names, contractor numbers, building addresses).
Jurisdiction
United States
Transfer mechanism
EU Standard Contractual Clauses + UK International Data Transfer Addendum (IDTA).

Stripe Payments UK, Ltd.

Their privacy policy ↗
Purpose
Subscription billing, invoicing, payment-method storage.
Data categories
Billing email, billing address, card last-4, payment history.
Jurisdiction
United Kingdom (data centre EU + US replica)
Transfer mechanism
EU Standard Contractual Clauses + UK IDTA for any US replica access.
Purpose
Transactional email delivery (magic links, notifications, receipts).
Data categories
Recipient email address, email subject & body.
Jurisdiction
European Union (Ireland)
Transfer mechanism
EU adequacy — no transfer outside the UK/EU.

Cloudflare, Inc. (R2 storage)

Their privacy policy ↗
Purpose
Object storage for uploaded PDFs, photos, and audit-pack exports.
Data categories
Customer-uploaded files which may include PII (tenant names, contractor details, signatures).
Jurisdiction
European Union jurisdiction (data stored in EU only).
Transfer mechanism
EU adequacy + EU SCCs for control-plane operations from Cloudflare US.

Railway Corporation

Their privacy policy ↗
Purpose
Application + database hosting.
Data categories
Entire application database including encrypted PII columns and audit log.
Jurisdiction
United Kingdom (London region) / EU.
Transfer mechanism
No transfer outside the UK/EU.
Purpose
Frontend hosting, edge cache, build & deploy.
Data categories
HTTP request metadata (IP, user-agent, path) and any data the user submits via the web app.
Jurisdiction
Global edge network with US control plane.
Transfer mechanism
EU SCCs + UK IDTA.

Change notifications

To subscribe to changes, account admins receive a transactional email from Proprietas at least 30 days before a sub-processor is added or replaced. If you object to a new sub-processor you can terminate your subscription before the change takes effect and receive a pro-rata refund of the unused balance.

Questions: privacy@proprietas.app · See also our Privacy Policy.