VistaConnect Sub-processor List
Version: 2.0 Effective date: 2026-04-22 Owner: Data HQ Limited Review cycle: On any change, and at least annually
This page lists the sub-processors currently engaged by Data HQ Limited to deliver the VistaConnect platform. It is referenced by, and forms part of, the VistaConnect Privacy Notice and Non-Disclosure Agreement.
Change notification
Data HQ will give at least 30 days' notice of any proposed addition or replacement of a sub-processor. Notice will be given by email to the account administrator and by a banner on the VistaConnect platform. Where you have reasonable grounds to object, Data HQ will either withdraw the change or give you the right to terminate use of the affected feature.
Current sub-processors
| Sub-processor | Purpose | Location | Transfer mechanism (if outside UK) |
|---|---|---|---|
| Microsoft Azure | Cloud hosting, PostgreSQL database, Azure Blob storage, Azure Communication Services (transactional email), Azure Log Analytics | UK South (primary); limited operational in EU / US | UK IDTA + Microsoft Data Processing Addendum |
| Stripe Payments Europe, Ltd. | Payment processing, subscription billing, invoice generation | USA / Ireland | UK IDTA + UK Addendum to EU Standard Contractual Clauses |
| Azure OpenAI Service | AI-assisted features (Blog Bot article and LinkedIn generation; Data Audit field-mapping assistance; Company Intelligence narrative features) | West Europe / UK | UK IDTA |
Azure OpenAI training. Data processed through the Azure OpenAI Service is subject to Microsoft's commitment that customer inputs and outputs are not used to train, retrain or improve the foundation models made available through the service, nor are they shared with other Microsoft customers or OpenAI. See Microsoft's published Azure OpenAI data handling terms for the current position.
What we do not do
- We do not sell your personal data.
- We do not share your uploaded audit data with any third party other than the sub-processors above.
- We do not use the Azure OpenAI Service to process files you upload through the Data Audit or Find Look-alikes features beyond the field-mapping assistance described above.
Version history
| Version | Date | Notes |
|---|---|---|
| 2.0 | 2026-04-22 | Published as a standalone document with 30-day change-notice commitment |