Last updated: 6 March 2026
What is a Sub-processor?
To deliver our Services, Marker.io engages the Sub-processors listed in the tables below. A Sub-processor is a third party engaged by Marker.io, to process Customer Personal Data.
List of Third-Party Sub-processors
Below is the list of Sub-processors and how we use their services.
Subprocessor | Purpose of Processing | Location |
AbstractAPI | Email validation | USA |
Amazon Web Services | Hosting and storage systems provider | EU |
Amplitude | Analytics | USA |
Attio | CRM | USA |
BetterStack | Logging | CZ |
Calendly | Meeting scheduling | USA |
Canny | Customer Feature Requests | USA |
Chartmogul | Analytics | EU |
Clearbit | Lead enrichment | USA |
Cloudflare | Web performance and security | Global |
Customer.io | Transactional & marketing messaging | USA |
FullStory | Analytics | USA |
Google Analytics | Analytics | USA |
Google Workspace | Back office operations | EU |
Grain | Call recording | USA |
Hotjar | Analytics | EU |
HubSpot | CRM | USA |
Intercom | Customer support | EU & US |
IPStack | IP Geolocation | Austria |
Linear | Project Management | USA |
Ads | USA | |
Meta | Ads | USA |
MongoDB, Inc | Data Storage | EU |
Notion | Internal documents | USA |
Plausible | Analytics | EU |
ProfitWell | Analytics | USA |
Pusher | Infrastructure | UK |
Quaderno | Invoicing | EU |
Segment | Data Pipeline | USA |
Sentry | Error Handling | USA |
Slack | Communication | USA |
Stripe | Payment | EU & US |
Tally | Forms | USA |
VatStack | Tax calculation | EU |
Webflow | Forms | USA |
Zapier | Internal automation | USA |
Does Marker.io have a Data Processing Agreement?
Yes, you can find it here https://marker.io/dpa