Aivenvs
STACKIT
On our sovereignty score, STACKIT leads (89 vs 66). Both are European Cloud & hosting providers – which fits better depends on your priorities below.
Score comparison
| Aiven | STACKIT | |
|---|---|---|
| Sovereignty | 66 | 89 |
| Privacy | 74 | 84 |
| Open Source | 45 | 10 |
| Business fit | 86 | 78 |
| Migration ease | 62 | 55 |
| Pricing transparency | 78 | 58 |
| Enterprise readiness | 86 | 84 |
Features & facts
| Aiven | STACKIT | |
|---|---|---|
| Country | Finland | 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 | EU regions selectable; runs on AWS/Azure/Google Cloud | Germany and Austria (exclusively) |
| From | on request | on request |
| Founded | 2016 | 2018 |
Aiven
Finland
Finnish managed platform for open-source databases (PostgreSQL, Kafka, ClickHouse) – EU regions selectable, but runs on hyperscalers.
Strengths
- European company (Finland) focused on open-source data tech
- Managed PostgreSQL, Kafka, ClickHouse, OpenSearch and more
- Portable open-source technologies without vendor lock-in
- EU regions selectable, ISO 27001 and SOC 2 per the provider
Weaknesses
- Runs on US hyperscalers (AWS/Azure/GCP) – not sovereign infrastructure
- Platform itself is not open source, no self-hosting of Aiven
- Additional US locations
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 Aiven if…
- Developer teams wanting managed open-source databases
- Teams needing an EU region without running their own DB
- Organisations avoiding database vendor lock-in
Choose STACKIT if…
- Companies and public authorities with sovereignty requirements
- Enterprise workloads with EU data storage
Scores are editorial orientation, not legal advice. Details are based on public provider information and are not independently verified.