SAP and NTT Plan to Cooperate on Sovereign Cloud and Business AI

SAP and NTT have said they intend to work together on sovereign cloud and business AI for governments, defence organisations and other regulated customers. The announcement, made in Tokyo on 28 October and published by SAP and NTT, is a statement of intent rather than a signed deal.

Both companies describe it as an “intention to cooperate” and a “planned collaboration”. Neither release gives financial terms, a timetable, named markets or first customers. What they set out is a first area of work: combining SAP’s on-site sovereign cloud offering with infrastructure and operations managed by NTT.

What the two companies plan

SAP Sovereign Cloud On-Site is the German software company’s offering for customers with strict sovereignty, regulatory and compliance needs. According to the releases, it lets SAP-managed cloud software run in a data centre that the customer owns or chooses, giving local physical control, data residency and what SAP calls operational assurance.

Under the plan, NTT would supply and run the infrastructure around that software. The companies say NTT brings “global reach and expertise in advising, designing, delivering, and operating secure infrastructure”, and that together they intend to support customers “in geographies where strong local control is required”. They describe the result as “a broad set of sovereign capabilities” for “customers in key markets”, without saying which.

The AI part is looser. Building on the cloud work, SAP and NTT “intend to explore broader opportunities” to help governments, critical infrastructure operators and highly regulated industries adopt AI “in a secure, responsible and sovereign manner”. No product or service is named for that stage.

What the executives said

Both quotes come from chief financial officers. Dominik Asam, SAP’s CFO and a member of its executive board, said the cooperation aims “to give customers a practical path to cloud and AI innovation while maintaining the control, governance, and trust they require”. He added: “For public sector organizations and regulated industries, sovereignty is not just a compliance requirement, it is the foundation for resilience, competitiveness, and the responsible adoption of AI.”

Yutaka Sasaki, NTT’s CFO and a representative member of its board, said customers “are looking for practical ways to use AI to solve real business challenges and create new value”. He said combining SAP’s applications and AI with NTT’s understanding of “industry needs and mission-critical operations” would help organisations “make better decisions, and accelerate business outcomes through AI”.

NTT describes itself in the release as a group with more than $90bn in revenue, 340,000 staff and operations in more than 70 countries and regions. Both versions of the release state that they were written with the help of artificial intelligence and reviewed by an editorial team.

Sovereignty is turning into an operations business

The interesting part is who does what. SAP’s on-site model moves its cloud software into a customer’s own or chosen data centre, but somebody still has to build, secure and run that facility to cloud standards. That is the gap NTT is offered: SAP keeps the applications, and NTT takes the infrastructure and the day-to-day operations that most government and defence buyers cannot staff themselves.

It also fits what SAP has been saying. Last week, a day after SAP posted its first €10bn quarter, Asam told Reuters that customers increasingly ask where the AI models in their software come from, and that a defence department thinks about that differently from a small business. A sovereign deployment run by a local operator is a direct answer to that kind of buyer.

Other vendors are reaching the same customers from different directions. Cloudflare, for example, is testing a post-quantum key manager that keeps keys inside a chosen region. For NTT, the tie-up adds SAP’s enterprise software to a group whose NTT Data unit, according to a Nikkei report this month, is in final talks to build Anthropic’s first data centre in Japan; neither company has confirmed that report.

The weakness is that nothing is yet binding or dated. Until the companies name a market, a customer or a contract, this is a direction of travel, not a service anyone can buy.

What to watch

The next marker is a formal agreement or a first named customer, and which country it is in. Neither company has said when that might come.

Sources

1. SAP News Center, “SAP and NTT to Cooperate on Delivering Trusted Sovereign Cloud and SAP Business AI Capabilities”, 28 October 2026
2. NTT, “SAP and NTT to Cooperate on Delivering Trusted Sovereign Cloud and SAP Business AI Capabilities”, 28 October 2026
3. NTT, Japanese edition of the release, 28 October 2026

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• NTT Data in Final Talks to Build Anthropic’s First Data Centre in Japan, Nikkei Reports