Ahrefs
Ahrefs uses 37 subprocessors and infrastructure vendors, including AWS, Google Cloud and OpenAI, based on its public subprocessor list. Last checked Nov 11, 2026.
AI Stack · 1
Infrastructure · 36
AI Stack
Foundation Models
Infrastructure
Cloud & Networking
Compliance & Security
Observability
Billing & Payments
Analytics & BI
CRM & Support
104 companies
Transaction management
117 companies
Revenue and conversation intelligence
2 companies
Marketing automation
410 companies
Customer relationship management
7 companies
Email outreach
8 companies
Sales intelligence and engagement
374 companies
Customer engagement and business messaging
View their stack →
27 companies
Document automation
25 companies
Survey management
46 companies
Sales intelligence and engagement
Communications
Developer Platform
Model labs reached through vendors 6
Ahrefs does not list these model providers. Vendors on its list name them on their own subprocessor lists.
Changes
Checked Nov 11, 2026Source
This is the first saved copy of Ahrefs’s subprocessor list. Added and removed vendors will show here after the next check.
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