Data processing
Zencal's subprocessors.
Clear terms of cooperation.
See which organisations support Zencal in processing data and which documents describe our work together.
Last updated: October 2026
List of subprocessors
Who processes data for Zencal?
Below are the organisations to which Zencal entrusts personal data processing on behalf of clients, and the purpose and location of processing.
| Organisation | Purpose of processing | Processing location |
|---|---|---|
| DigitalOcean, LLC | Cloud infrastructure and hosting, including data replicas | EU (Frankfurt, Germany) and USA |
| Google LLC | Calendar synchronisation (Google Calendar API) | EU/USA (standard contractual clauses) |
| Microsoft Corporation | Calendar synchronisation (Microsoft 365, Outlook) and video conferencing (Microsoft Teams) | EU/USA (standard contractual clauses) |
| Apple Inc. | Calendar synchronisation (iCloud Calendar) | EU/USA (standard contractual clauses) |
| Zoom Video Communications, Inc. | Video conferencing integration | EU/USA (standard contractual clauses) |
| Stripe, Inc. | Payment processing | EU (Ireland) |
| Autopay S.A. | Payment processing | EU (Poland) |
| PayU S.A. | Payment processing | EU (Poland) |
| Przelewy24 (PayPro S.A.) | Payment processing | EU (Poland) |
| PayPal (Europe) S.à r.l. et Cie, S.C.A. | Payment processing | EU (Luxembourg) |
| Tpay (Krajowy Integrator Płatności S.A.) | Payment processing | EU (Poland) |
| inFakt Sp. z o.o. | Accounting integration | EU (Poland) |
| Fakturownia Sp. z o.o. | Accounting integration | EU (Poland) |
| Web INnovative Software Sp. z o.o. (wFirma.pl) | Accounting integration | EU (Poland) |
| IFIRMA S.A. | Accounting integration | EU (Poland) |
| HubSpot, Inc. / HubSpot Ireland Limited | CRM integration | EU/USA (standard contractual clauses) |
| Twilio Inc. (SendGrid) | Email delivery | EU/USA (standard contractual clauses) |
| SMSAPI (Link Mobility Poland sp. z o.o.) | SMS notifications | EU (Poland) |
| Cloudflare, Inc. | Content delivery network and DDoS protection | EU (standard contractual clauses) |
Terms of cooperation
Data protection and changes.
Safeguards
The listed subprocessors use technical and organisational measures to protect personal data.
For organisations outside the European Economic Area, we provide appropriate safeguards, including standard contractual clauses approved by the European Commission.
Notice of changes
Clients who have entered a data processing agreement are notified at least 14 days before a subprocessor is added or replaced.
Documents
Related documents.
Contact
Have a question about data processing?
Contact us to learn more about subprocessors or the data processing agreement.
hello@zencal.io