Companies / Well / Subprocessors
Well is a contact in messaging apps like WhatsApp, Claude, and ChatGPT that handles invoices, receipts, reminders, and renewals. It serves founders and is open to everyone in France.
Summarized from its homepage on 13 Nov 2026.
Subprocessors of Well
Well declares 20 subprocessors, including AI providers Anthropic, OpenAI.
From the company's own list.Read the source
| Subprocessor | Purpose |
|---|---|
| Model provider for the in-product assistant and agent, the month-close assistant, extraction of documents other than invoices, the browser agent that collects documents from third-party portals, and failover for background classification and matching. | |
| Application logging and error telemetry for the Well web application's own server-side route handlers and unhandled server errors. | |
| Web search and content retrieval, used to identify and enrich the companies and people in your workspace. | |
| Firebase Authentication (Google) | Identity provider. Handles sign-in with Google or Microsoft and issues the session tokens Well validates on every authenticated request. |
| Firebase Remote Config (Google) | Holds the platform's feature-flag configuration. |
| Contact enrichment. | |
| Gemini API (Google) | Default model provider for document, transaction and reconciliation processing: document classification, invoice and receipt extraction, optical character recognition, transaction categorisation, matching, and company identity resolution. |
| Hosts the Well platform: the API, the web application, the GraphQL query layer, the managed database, object storage for documents and media, job queues, and server logs. | |
| Web search used by Well's assistant and enrichment paths when a lookup needs current information from the open web. | |
| LlamaCloud and LlamaParse (LlamaIndex) | Cloud document parsing. |
10 more subprocessors
See the full list with purpose, location and first seen date.
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Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.
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