Sub-processor List

Last updated 26 October 2026

Mindprint FZ-LLC, trading as Particle Signals, uses the sub-processors below to provide the Service. Each is bound by a written agreement with data protection obligations. Customer Data is hosted in the United Kingdom. To be told about changes, email privacy@particleex.com.

Core sub-processors (always used)

Sub-processorPurposeLocationData and transfer safeguard
Amazon Web ServicesCloud hosting, database, file storage (S3), secrets storage, system emails (SES)United Kingdom (London, eu-west-2)All Customer Data at rest. No restricted transfer for hosting.
OpenAI, L.L.C.AI models for drafting outreach, classifying replies and ranking opportunitiesUnited StatesContent needed for each request, processed in transit. OpenAI does not use data sent through its API to train its models. As standard, OpenAI may keep API data for up to 30 days to monitor for abuse, then deletes it. Safeguard: OpenAI Data Processing Addendum with Standard Contractual Clauses and UK Addendum.
StripeSubscription billing and card paymentsStripe group (United States and EU)Billing contact and payment details. Card data is handled by Stripe, not by us.
Google and MicrosoftSign-in (basic identity only: name, email, profile)United States / EUSign-in identity. Safeguard: provider data processing terms.

Optional (only if the Customer turns them on)

Sub-processorPurposeLocationData and transfer safeguard
Google (Gmail) / Microsoft (Outlook)Sending approved emails from the user's own mailbox and matching repliesUnited States / EUSent emails and matched replies. Only if a user connects their mailbox.
Microsoft (Teams, Azure bot service)Morning summaries and alerts in TeamsUnited States / EUMessages to and from the Service in Teams.
Slack TechnologiesMorning summaries and alerts in SlackUnited StatesMessages to and from the Service in Slack.
Meta Platforms (WhatsApp)Approvals by WhatsAppUnited States / EUUser phone number and approval messages.

Not sub-processors

Your own CRM (for example Spott or Vincere) is operated by you. Where the Service reads data from it using your key, that CRM is not our sub-processor.