Siemens and Microsoft join forces to simplify building IoT integration

Siemens Smart Infrastructure has partnered with Microsoft to enhance access to building IoT data through greater interoperability between Siemens’ digital building platform, Building X, and Microsoft’s Azure IoT Operations, powered by Azure Arc.

This collaboration aims to simplify how organisations connect, manage, and analyse data from various building systems such as HVAC, valves, and actuators, enabling faster onboarding and improved operational insights.

By combining Building X with Microsoft’s adaptive cloud framework, large enterprises across sectors like commercial real estate, data centres, and education can now tap into real-time data such as temperature, pressure, and indoor air quality directly in the cloud.

This paves the way for in-house applications like energy monitoring and space utilisation, supporting more efficient and sustainable building management.

Advancing digitalisation

The integration is built on open standards like the World Wide Web Consortium’s Web of Things (WoT) and the OPC Unified Architecture (OPC UA), ensuring interoperability and flexibility beyond proprietary ecosystems. Customers benefit from a simplified, vendor-neutral IoT architecture, reinforcing a shared commitment to openness, accessibility, and data security.

Expected to launch in the second half of 2025, the solution is one of the first to offer cross-provider IoT data integration based purely on open standards. It is part of Siemens Xcelerator, Siemens’ open digital platform designed to accelerate digital transformation in the built environment.

“This collaboration with Microsoft reflects our shared vision of enabling customers to harness the full potential of IoT through open standards and interoperability,” said Susanne Seitz, CEO, Siemens Smart Infrastructure Buildings. “The improved data access will provide portfolio managers with granular visibility into critical metrics such as energy efficiency and consumption. With IoT data often being siloed, this level of transparency is a game-changer for an industry seeking to optimise building operations and meet sustainability targets.”

“Siemens shares Microsoft’s focus on interoperability and open IoT standards. This collaboration is a significant step forward in making IoT data more actionable,” said Erich Barnstedt, senior director & architect, Corporate Standards Group, Microsoft. “Microsoft’s strategy underscores our commitment to partnering with industry leaders to empower customers with greater choice and control over their IoT solutions.”

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