Companies / Arch / Subprocessors
Arch turns investment documents such as statements, capital calls, and K-1s into reporting-ready data for private markets. It serves family offices, wealth managers, institutional allocators, banks, and accounting and tax firms.
Summarized from its homepage on 7 Nov 2026.
Subprocessors of Arch
Arch declares 15 subprocessors, including AI providers Anthropic, OpenAI.
From the company's own list.Read the source
| Subprocessor | Purpose |
|---|---|
| Cloud Hosting and Infrastructure. AWS provides cloud infrastructure and computing resources for hosting Arch’s applications, storage, and data processing | |
| LLM processing & Generative-AI. Athropic provides LLM models used by Arch for data extraction and processing. | |
| User authentication services (via Auth0). Okta processes Arch’s authentication and identity data for secure user access management and single sign-on (SSO) services | |
| Cloudflare’s Zero Trust product provides security services for controlling access to applications, protecting networks, and ensuring secure connectivity for users and devices. It processes data related to user authentication, device identity, and network traffic for security and access control. | |
| Cloud-based observability and monitoring platform used for infrastructure monitoring, application performance tracking, and log management | |
| Electronic Document Signatures. DocuSign processes Arch's customer email addresses and signed legal agreements. | |
| Document Search. Elasticsearch processes Arch’s document data to enable efficient searching and indexing of content across the system. | |
| LLM processing & Generative-AI.Google provides Gemini models used by Arch for data extraction and processing. | |
| Cloud-based Productivity and Collaboration. Google Workspace processes Arch's collaboration and communication data (email and documents) for productivity and team collaboration tools. | |
| Customer support. Intercom processes Arch’s customer support and messaging data. |
5 more subprocessors
See the full list with purpose, location and first seen date.
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