SubProcessorsPlain Subprocessors
Marketing
Plain provides a platform for managing customer communications and engagement.
| Name | Category | Purpose | Country | Data Processed |
|---|---|---|---|---|
| Amazon Web Services ↗ | Cloud Infrastructure | Hosting |  UK |
- |
| Auth0 ↗ | Security | User authentication |  EU |
- |
| Logo.dev ↗ | Marketing | To source company names and logos | US | - |
| Google Cloud ↗ | Cloud Infrastructure | Data warehousing and hosting | EU |
- |
| Nango.dev ↗ | Integration | Product integrations | US | - |
| OpenAI ↗ | AI | Text summarisation and user experience enhancements | US | - |
| Pinecone ↗ | Database | Database + hosting | US | - |
| Planko Ltd (Keel) ↗ | Cloud Infrastructure | Data hosting and back-end services | EU |
- |
| Postmark ↗ | Email processing | US | - | |
| Render ↗ | Cloud Infrastructure | Hosting | EU |
- |
| Tinybird ↗ | Data Platform | Data analytics and reporting | EU |
- |
| Vercel ↗ | Cloud Infrastructure | Hosting | Distributed | - |
| Cloudflare ↗ | Cloud Infrastructure | Hosting | Distributed | - |
| Segment ↗ | Analytics | Site and app usage analytics | US | - |
| WorkOS ↗ | Authentication | Auth and identity management | US | - |
| Apollo ↗ | Sales | Sales intelligence and engagement | US | - |
| Attio ↗ | CRM | Customer relationship management | UK |
- |
| Axiom ↗ | Logging | Logging | UK |
- |
| Default ↗ | Analytics | Site analytics, prospecting | US | - |
| Linear ↗ | Project Management | Issue tracking | US | - |
| Loops ↗ | Customer Support | Customer communications | US | - |
| Koala ↗ | Analytics | Site and app usage analytics | US | - |
| Omni ↗ | Analytics | Site and app usage analytics | US | - |
| Metabase ↗ | Analytics | Site and app usage analytics | US | - |
| Slack ↗ | Communications | Customer and internal communications | EU |
- |
February 14, 2026
+25 added
- + Amazon Web Services (Cloud Infrastructure)
- + Auth0 (Security)
- + Logo.dev (Marketing)
- + Google Cloud (Cloud Infrastructure)
- + Nango.dev (Integration)
- + OpenAI (AI)
- + Pinecone (Database)
- + Planko Ltd (Keel) (Cloud Infrastructure)
- + Postmark (Email)
- + Render (Cloud Infrastructure)
- + Tinybird (Data Platform)
- + Vercel (Cloud Infrastructure)
- + Cloudflare (Cloud Infrastructure)
- + Segment (Analytics)
- + WorkOS (Authentication)
- + Apollo (Sales)
- + Attio (CRM)
- + Axiom (Logging)
- + Default (Analytics)
- + Linear (Project Management)
- + Loops (Customer Support)
- + Koala (Analytics)
- + Omni (Analytics)
- + Metabase (Analytics)
- + Slack (Communications)
Summary
25
Total Subprocessors
4
Countries
16
Categories
56%
in United States
Subprocessors by Country
Subprocessors by Category
Biggest overlap with
Other companies using the most of the same subprocessors
Common in your industry
Top subprocessors used by other Marketing companies