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European sovereign AI, cloud not yet ready for major banks, Temenos CEO says

By Thomson Reuters Oct 28, 2026 | 3:54 AM

Oct 28 (Reuters) – Swiss banking software firm Temenos’ CEO Takis Spiliopoulos said sovereign AI and cloud initiatives ​in Europe were not yet ‌mature enough for major banks to adopt, as the region seeks greater technological autonomy from US providers.

The European Union is seeking to ‌strengthen ​its technological sovereignty ⁠through proposals, including the Cloud ⁠and AI Development Act, aimed at reducing dependence on US hyperscalers amid concerns over data access under ​US legislation and the dominance of Amazon, Microsoft and Google in cloud ⁠computing.

• Spiliopoulos told Reuters ⁠that while many countries ​had pushed US cloud providers to establish ​local data centres, concerns remained over ‌where data could ultimately be accessed.

• “Sovereign data or sovereign AI … it’s not yet at a maturity level ⁠that they would really entertain this,” Spiliopoulos said, referring to banks.

• Prospective European sovereign cloud ⁠and ‌AI offerings will take ⁠time to develop into solutions ​that ‌large banks could use at ​scale, the ⁠CEO said.

• Cross-border operations and regulatory requirements remain obstacles, particularly for large banks operating across multiple jurisdictions, he added.

(Reporting by Emanuele Berro; editing by ​Bartosz Dabrowski)