Sub-processors and Service Providers

Alluvial | Effective date: 10 October 2026

This page lists providers that host or process personal data for Alluvial. Locations and services can change; provider links point to their current privacy, data-processing, or sub-processor information. Our Data Processing Agreement describes the sub-processors authorised to process Customer Personal Data in manuscripts and screening results. Product analytics is a separate controller-purpose activity described in our Privacy Policy.

ProviderService and dataProcessing location and terms
Amazon Web Services (AWS)Core application hosting, database and object storage, email delivery, and screening infrastructure. Manuscript and screening data is hosted in AWS eu-west-2 (London).AWS Data Processing Addendum and AWS sub-processors.
StripePayment processing and subscription administration. Receives payment and billing information; it does not receive manuscript content or screening results.Stripe may process data in the locations described by its UK Data Processing Agreement and current sub-processor information.
CloudflareDelivery and security for the marketing website and portal. May process network and device information needed to deliver and protect those services; it does not receive manuscript content through the analytics integration.Cloudflare's network is global. See its Privacy Policy and sub-processor list.
PostHogConsent-based browser product analytics and limited server-side operational analytics. It receives pseudonymous Account/Organisation identifiers, event names and limited commercial context, not manuscript or screening content.EU Cloud hosted in Frankfurt, Germany. See PostHog privacy documentation, Data Processing Agreement and current sub-processors.

We update this list when a provider or processing purpose changes. Where the DPA applies, we give customers the notice and objection rights set out in that agreement.