Siemens AG is a German multinational technology company headquartered in Munich that focuses on industry, infrastructure, mobility, and healthcare. The company operates globally across Europe, the CIS, Africa, the Middle East, the Americas, Asia, and Australia, serving customers in energy, healthcare, infrastructure, and process and manufacturing industries. Its business activities center on automation, digitalization, and electrification, including industrial automation systems, digital twin and lifecycle management software, and smart infrastructure solutions for buildings and energy grids. In the energy value chain, Siemens provides products, systems, software, and services that support power generation and distribution, distributed energy systems, and grid connectivity, as well as sustainable transportation systems for rail and road. Siemens Healthineers, a separately managed but integral part of the group, supplies diagnostic and therapeutic medical technologies and digital health services.
Operationally, Siemens is organized into the Digital Industries, Smart Infrastructure, Mobility, Siemens Healthineers, and Siemens Financial Services segments. Digital Industries offers automation systems, drives, numerical control systems, sensors, and production and product lifecycle management software, including businesses transitioning to Software-as-a-Service models. Smart Infrastructure connects energy systems, buildings, and industries with products, systems, software, and services that support the global shift from fossil to renewable energy and the development of smarter, more sustainable buildings and communities. Mobility provides rail vehicles, rail automation and electrification, maintenance, and digital services for passenger and freight transport. Siemens Financial Services underpins customer and internal projects with leasing, lending, structured and project finance, and advisory services. Siemens reported revenue of about €75.9 billion in 2024 and employs roughly 320,000–327,000 people worldwide, maintaining high R&D intensity and positioning itself as a "ONE Tech" company focused on automation, digitalization, electrification, sustainability, and industrial AI.