Legal

Sub-processors & Vendor Register

Effective: 17 September 2026Updated periodically
DRAFT – PENDING LEGAL REVIEW. This register is subject to change. MSK will notify operators of material changes to sub-processors in accordance with the Data Processing Agreement.

MSK Guestbook Ltd ("MSK") uses the following third-party service providers ("Sub-processors") to deliver the MSK Guestbook platform. Each Sub-processor has been assessed for its security practices, and MSK has entered into appropriate data processing agreements with each. This list is reviewed and updated periodically.

Under our Data Processing Agreement, Operators are notified at least 14 days before any new Sub-processor is added or any existing Sub-processor is replaced. Operators may object to such changes on reasonable grounds.

Vercel

USA

Hosting & Edge Delivery

Hosts the MSK Guestbook web application and delivers it via a global edge network.

vercel.com

Supabase

EU (AWS eu-west-1)

Database & Authentication

Provides the primary relational database, real-time subscriptions, and user authentication.

supabase.com

Render

USA

Backend Services

Hosts backend API services and background processing workers.

render.com

SendGrid (Twilio)

USA

Transactional Email

Sends transactional emails including account confirmations, notifications and guest communications.

sendgrid.com

Stripe

USA

Payment Processing

Processes subscription payments and billing. MSK does not store full card data; Stripe is the payment processor of record.

stripe.com

Mews

Netherlands

PMS Integration

Property Management System integration enabling reservation data synchronisation.

www.mews.com

Stay informed of changes

This register is updated periodically as we add, change or remove Sub-processors. Operators subscribed to our Platform Terms will receive advance notice of material changes. If you have questions, contact privacy@mskguestbook.com.

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