
Shawn_from_Sg / CC BY-NC-SA 2.0 (Openverse)
Top 10 European Cloud Computing Companies
European enterprises increasingly must satisfy GDPR compliance and data localization mandates, prompting a shift toward sovereign cloud alternatives. In 2026, France, Germany, and the UK host major providers—including OVHcloud (~1M+ active customers), Deutsche Telekom's T-Systems MMS, and UK-based providers—spanning IaaS, PaaS, and managed services. The European cloud market is projected to reach €500B by 2030 (Gaia-X initiative accelerating adoption). Key trade-offs vs. US hyperscalers: stronger data residency guarantees and GDPR-first compliance, but typically smaller global footprint (fewer regions), narrower third-party SaaS integrations, and 15–40% higher per-VM costs. Best suited for regulated industries (healthcare, finance, government) requiring EU data storage; cost-conscious enterprises may find hyperscaler alternatives (AWS Europe, Azure Germany) offer equivalent GDPR compliance at lower cost. These ten providers prioritize sovereignty over ecosystem scale—choose based on regulatory needs, not feature parity.
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Current Rankings
- 0#1
OVHcloud

Europe's largest independent cloud company, OVHcloud delivers sovereign infrastructure across 43 data centres on four continents, serving over 1.6 million customers globally. Its €905 million FY2024 revenue reflects strong demand for GDPR-compliant services, with bare metal, private cloud, and managed Kubernetes all ensuring data residency within the EU. For enterprises seeking certified security, the platform offers ISO 27001 and HDS certifications, supporting workloads from AI to high-performance computing.
- 0#2
Hetzner Online

Hetzner Online is renowned for its exceptional price-performance ratio, hosting over 12 million websites across data centres in Nuremberg, Falkenstein, Helsinki, and Ashburn. The provider’s KVM-based virtualisation and redundant 10 Gbps networking ensure consistent throughput, attracting cost-conscious businesses without sacrificing reliability.
- 0#3
T-Systems (Deutsche Telekom Cloud)

T-Systems, the IT division of Deutsche Telekom, provides sovereign cloud infrastructure trusted by the German federal government, DAX corporations, and EU institutions. With hybrid cloud management spanning 99.9% uptime SLAs, T-Systems supports mission-critical migration for 5,000+ large clients. Revenue from cloud services grew 15% in 2024, reflecting its dominance in regulated sectors where data protection is paramount.
- 0#4
SAP Cloud

SAP Cloud, anchored by the Business Technology Platform, serves over 400,000 customers in 180 countries, generating more than €13 billion in 2024 cloud revenue—25% growth year-over-year. The platform handles 2.5 trillion transactions annually, ensuring seamless data residency compliance with GDPR for EU-based operations.
- 0#5
Scaleway

Scaleway delivers the fastest GPU cloud instances in Europe for AI workloads, with Nvidia H100 clusters achieving 3.2 petaflops of performance. As a GDPR-native French cloud provider under Iliad Group, Scaleway operates data centres in Paris, Amsterdam, and Warsaw, ensuring full regulatory compliance. Its developer-friendly APIs and Kubernetes-as-a-Service have driven rapid revenue growth, outpacing the average European cloud competitor by 40% in 2024.
- 0#6
IONOS

IONOS serves 8.5 million customers across Europe and the US, making it the most widely adopted European cloud provider by user base. With 11 data centres in Germany, Spain, the UK, and the US, all ISO 27001 certified, IONOS provides sovereign EU infrastructure backed by United Internet.
- 0#7
Dassault Systemes 3DEXPERIENCE

Dassault Systemes' 3DEXPERIENCE platform dominates virtual twin simulations, used by Airbus, BMW, and NASA to model entire product lifecycles. The platform accelerates manufacturing digitisation, achieving a 40% reduction in design-to-production time across its client base. As a French PLM giant, it leads in collaborative engineering innovation.
- 0#8
Eviden (Atos)

Eviden, spun from Atos in 2024, provides the most secure sovereign cloud for EU defence and government agencies, operating BullSequana supercomputers that deliver 100 petaflops for research institutions. Revenue reached €5.2 billion in 2024, growing 8% year-over-year, outpacing the average European IT services firm by 12%. Eviden's digital transformation tools are used by over 200 government clients, ensuring compliance with EU data sovereignty laws.
- 0#9
Claranet

Claranet is the leading managed cloud services provider for European enterprises, serving 6,500+ clients across 11 countries. Its multi-cloud management reduces operational costs by an average of 30% compared to in-house teams, while network security services achieve 99.99% uptime.
- 0#10
Gaia-X

Gaia-X sets the gold standard for sovereign cloud certification in Europe, co-founded by France and Germany in 2019 and now supported by 300+ member organisations. It enforces GDPR-compliant interoperability, enabling data-sharing frameworks that are 50% faster to deploy than the average proprietary cloud agreement. By defining federated standards, Gaia-X is cheaper than the typical rival governance body, reducing compliance costs for SMEs by up to €200,000 annually.
Image credits
- OVHcloud: Velvet / CC BY-SA 4.0 (entity-adopted)
- T-Systems (Deutsche Telekom Cloud): T-Systems / Wikipedia
- SAP Cloud: IBM Cloud / Wikipedia
- IONOS: Miguel Discart & Kiri Karma / Wikimedia Commons (CC BY-SA 2.0)
- Eviden (Atos): Atos / Wikipedia
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