Cloud & hosting

IONOSvsSTACKIT

On our sovereignty score, STACKIT leads (89 vs 80). Both are European Cloud & hosting providers – which fits better depends on your priorities below.

Score comparison

	IONOS	STACKIT
Sovereignty	80	89
Privacy	75	84
Open Source	10	10
Business fit	80	78
Migration ease	62	55
Pricing transparency	80	58
Enterprise readiness	78	84

Features & facts

	IONOS	STACKIT
Country	Germany	Germany
Open Source	No	No
Self-Hosting	No	No
Cloud/SaaS	Yes	Yes
EU data residency	Yes	Yes
DPA / AV-Vertrag	Yes	Yes
ISO 27001	Yes	Yes
Data location	Germany/EU (including Frankfurt, Berlin)	Germany and Austria (exclusively)
From	1 € / Monat	on request
Founded	1988	2018

IONOS

Germany

Large German hosting and cloud provider with a broad offering from web hosting to enterprise cloud.

Strengths

Very broad product portfolio, low-cost entry
European data centers, ISO 27001-certified
Sovereign offerings for the public sector

Weaknesses

Product variety can feel confusing
Parts of the infrastructure run in Equinix data centers
Cloud platform is less developer-centric than Scaleway/Hetzner

STACKIT

Germany

Sovereign German business cloud from the Schwarz Group with data centers exclusively in Germany and Austria.

Strengths

Data exclusively in DE/AT, 100% GDPR-compliant
BSI C5 Type 2, ISO 27001/20000, ISAE 3000 (SOC 2)/3402
Strong corporate group backing, free data transfer

Weaknesses

Younger provider with a still-growing ecosystem
Prices are less transparently visible publicly

Choose IONOS if…

SMEs that want hosting and cloud from a single source
Organizations that need sovereign offerings

Choose STACKIT if…

Companies and public authorities with sovereignty requirements
Enterprise workloads with EU data storage

More Cloud & hosting providers All comparisons

Scores are editorial orientation, not legal advice. Details are based on public provider information and are not independently verified.