{"page":"/blog/eu-sovereign-ad-tech-stack","modified":"2026-10-18","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Offering","What it is","Key dates","What it solves","What it does not solve"],"rows":[["AWS European Sovereign Cloud (Brandenburg, eusc-de-east-1)","Physically and logically separate AWS partition, EU-resident operations, German GmbH entities, EU advisory board, 90+ services at launch","GA 15 January 2026; Local Zones planned for Belgium, the Netherlands, Portugal; €7.8 billion German investment to 2040 (Amazon, 15 January 2026)","Residency, operational sovereignty, continuity if cut off from the rest of AWS","Amazon ownership; CLOUD Act \"control\" question untested; subset of services"],["Microsoft EU Data Boundary + Sovereign Cloud","Residency commitment across Azure, Microsoft 365, Dynamics; Sovereign Public Cloud (existing EU regions), Sovereign Private Cloud (Azure Local), Data Guardian (EU-resident approval of remote access, tamper-evident log); National Partner Clouds Bleu (France) and Delos (Germany)","Boundary phase 3 complete February 2025 (Microsoft, 26 February 2025); package announced 16 June 2025, Sovereign Public Cloud in preview with GA \"expected by the end of 2025\" (Microsoft, 16 June 2025); GA date n/d","Residency; logged, EU-approved remote access; partner clouds under French and German operators","Microsoft ownership of the public offering; own executive's June 2025 Senate statement that access by US authorities cannot be ruled out (European Cloud, 24 July 2025)"],["Google Cloud Sovereign Controls by partners","Partner-operated data boundaries: S3NS (France, Thales), T-Systems (Germany), Polo Strategico Nazionale (Italy); external key management; Google Distributed Cloud air-gapped option","Partner boundaries listed as generally available (Google Cloud docs, undated); program announced 11 October 2022 (Google Cloud, 11 October 2022)","Operator independence where the partner runs the controls; customer-held keys; disconnected option","Underlying software and updates still Google's; scope limited to a region and a service subset; partner contract terms vary"],["OVHcloud (France)","EU-headquartered provider; SecNumCloud-qualified services (Managed VMware vSphere since December 2020; SNC Cloud Platform since September 2026)","OVHcloud SecNumCloud page","Legal sovereignty (EU provider), French government-grade qualification for the qualified services","Smaller service catalogue; qualification is per service, not whole platform"],["STACKIT (Schwarz Group, Germany)","Cloud of the Schwarz Group (Lidl, Kaufland); seven data centres in Europe; C5 and ISO 27001; states independence from external investors","STACKIT (undated)","Legal sovereignty; German C5 attestation; retail-grade scale","Younger platform; fewer managed services than hyperscalers"],["Scaleway (iliad, France)","EU provider with four multi-AZ regions in Europe; positions itself as \"a European alternative to hyperscalers\"","Scaleway (undated)","Legal sovereignty; GPU capacity in the EU","Certification scope varies by service; verify SecNumCloud status per product"],["Own data center or EU colocation","Hardware you own or lease in an EU facility, operated by your staff or an EU contractor","n/a","Every layer under your control, including keys and support access","You run it; capacity planning and 24/7 operations are yours; no elastic burst without a second provider"]],"sourceUrls":[["https://press.aboutamazon.com/aws/2026/1/aws-launches-aws-european-sovereign-cloud-and-announces-expansion-across-europe"],["https://blogs.microsoft.com/eupolicy/2025/02/26/microsoft-completes-landmark-eu-data-boundary/","https://news.microsoft.com/es-es/2025/06/16/microsoft-presenta-nuevas-soluciones-de-nube-soberana-para-las-organizaciones-europeas/","https://european.cloud/2025/07/microsoft-cannot-guarantee-data-sovereignty/"],["https://docs.cloud.google.com/sovereign-controls-by-partners/docs/overview","https://cloud.google.com/blog/products/identity-security/advancing-digital-sovereignty-on-europes-terms"],["https://www.ovhcloud.com/en/enterprise/certification-conformity/secnumcloud/"],["https://stackit.com/en/"],["https://www.scaleway.com/en/"],[]]}