Head-to-head · CRM
HubSpot vs Sellsy
Which one to pick in 2026 — comparing 🇺🇸 HubSpot with the European alternative 🇪🇺 Sellsy on the things that actually decide who can read your data.
🇺🇸 HubSpotvs🇪🇺 Sellsy
Verdict
Who has stronger privacy guarantees by law?
Sellsy — GDPR-native and outside the US CLOUD Act / FISA 702 reach.
Which one encrypts your data end-to-end by default?
Neither ships full E2E by default — check the table for nuance.
Which one tracks you for ads?
HubSpot relies on ad tracking. Sellsy doesn't.
Which one is open source?
Sellsy is not fully open source — check details.
Side-by-side
HubSpot vs Sellsy — full comparison
Criteria
🇪🇺 Sellsy
🇺🇸 HubSpot
Headquarters
La Rochelle, France
Cambridge, MA, USA
Jurisdiction
France (GDPR)
USA (CLOUD Act, FISA 702)
Data location
France
Global, US-controlled
GDPR-native
Yes
No
CLOUD Act / FISA exposed
No
Yes
Ad tracking
No
Yes
End-to-end encryption
No
No
Open source
No
No
Ownership
Sellsy SAS
HubSpot Inc. (NYSE:HUBS)
Founded
2009
2006
Make the switch
Try Sellsy instead of HubSpot
French CRM and billing suite
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