Ahrefs
Ahrefs declares 37 subprocessors, plus 1 of its own affiliates, in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and OpenAI. No published changes since we first read it on Sep 21, 2026. 6 tracked vendors name Ahrefs as a subprocessor, including Userlist, Termly and WebFX.
Subprocessors CSV of Ahrefs's subprocessors · Atom feed of Ahrefs's subprocessors DORA draft CSV of Ahrefs's subprocessors as declared by Ahrefs what's this? ·
37 third parties, 1 affiliate.
| Name | Purpose | Location | Listed since |
|---|---|---|---|
| Accelevents | Event management | USA | |
| Amazon Web Services | Cloud storage | USA, Singapore | |
| Apollo | Sales intelligence and engagement | USA | |
| Basecamp | Project management | USA | |
| BugSnag | Performance monitoring | USA | |
| Canny | Customer Feedback Management | USA | |
| ChargeBee | Payment processing | USA | |
| Checkout | Payment processing | United Kingdom | |
| Clay | Sales intelligence and engagement | USA | |
| Cloudflare | Traffic optimization and distribution | Processed globally at data centre closest to end user | |
| CookieYes | Cookie consent management | United Kingdom | |
| Cursor | AI Coding Platform | USA | |
| Digital Ocean | Cloud infrastructure | USA | |
| Docusign | Transaction management | USA | |
| Dropbox | Cloud storage | USA | |
| FastSpring | Payment processing | USA | |
| Fin (formerly Intercom) | Customer engagement and business messaging | USA | |
| Gong | Revenue and conversation intelligence | USA | |
| Google Cloud Platform | Cloud computing | USA, EU | |
| Google Workspace | Productivity and collaboration management | USA | |
| HeyReach | Marketing automation | North Macedonia | |
| HubSpot | Customer relationship management | USA | |
| Hunter | Email outreach | Belgium | |
| Instantly | Sales intelligence and engagement | USA | |
| MailChimp | Marketing automation | USA | |
| Microsoft 365 | Productivity and collaboration management | USA | |
| Microsoft Azure | Cloud computing | USA, EU | |
| Open AI AI | AI-enabled functionality | USA | |
| OVHcloud | Cloud infrastructure | EU, Canada | |
| PandaDoc | Document automation | USA | |
| Resend | Email management | USA | |
| SendGrid | Customer communication | USA | |
| Sentry | Software performance monitoring | USA | |
| Stripe | Payment processing | USA, Ireland | |
| Supermetrics | Marketing intelligence | Ireland, Luxembourg | |
| SurveyMonkey | Survey management | USA | |
| Zapier | AI automation | USA |
Web TechnologiesCSV of Ahrefs's web technologies · Atom feed of Ahrefs's web technologies
Ahrefs's homepage made 173 requests to 17 domains, and 8 services controlled by another company.
8 third parties by category: Advertising 3Analytics 3Cookie compliance 1Other 1
2 tracked companies loaded by the homepage are not in Ahrefs's subprocessor list. A website can use a service without it processing customer data.
Subprocessor of (6)CSV of the companies listing Ahrefs · Atom feed of the companies listing Ahrefs
Incidents reported by Ahrefs's subprocessorsCSV of incidents reported by vendors Ahrefs lists · Atom feed of incidents reported by vendors Ahrefs lists
280 reported incidents in the last 30 days, by 14 of the vendors Ahrefs lists as subprocessors.
A subprocessor list names a company, not the service an incident touched. This does not show that Ahrefs was involved.
And 255 more. All of them: CSV · Who is around them.
ChangesCSV of Ahrefs's changes · Atom feed of Ahrefs's changes
See the list as we read it on any date: Time machine
None since tracking began.
Rating badge for Ahrefs's site
It updates with the rating.
<a href="https://thirdpartyindex.com/vendors/ahrefs"><img src="https://thirdpartyindex.com/badge/ahrefs.svg" alt="Ahrefs transparency rating on Third Party Index" height="20"></a>[](https://thirdpartyindex.com/vendors/ahrefs)