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Siemens makes industrial machines, trains, factory software, and medical scanners that keep the physical world running.
Siemens is a German industrial giant that sells the unglamorous machinery, software, and equipment that makes modern life work. It isn't one business — it's several, bundled under one roof. The biggest piece is factory automation and digital industry, which is roughly a third of revenue: sensors, controllers, software that helps carmakers and food plants run without humans standing at every station. Then there's Smart Infrastructure, another big chunk, which wires buildings, grids, and data centers so electricity gets where it needs to go. Mobility builds and services trains and rail signaling — think metro systems and high-speed lines. Healthineers, a separately listed arm, makes MRI and CT scanners and hospital software. And Siemens still holds a stake in Siemens Energy, which makes gas turbines and grid gear. The company sells mostly to other businesses and governments, not to you.
How does it make money? Mostly by selling hardware, then charging for decades of service and spare parts afterward — the boring, high-margin part that customers can't easily swap out. Think of it as the plumbing and wiring of the industrial world: nobody notices it, but nothing runs without it. Recent years have pushed Siemens harder into software, where it competes with Rockwell and Schneider, and into electrification, which is booming as data centers and factories need more power. Revenue runs around €75 billion a year, and growth has been steady rather than explosive. In 2023 the company folded its large-drive business into a joint venture with Mitsubishi, and it's been trimming and reshaping its portfolio ever since — spinning off Energy in 2020 and listing Healthineers back in 2018.
What does it do with the cash? Siemens generates a lot of free cash flow and is famously disciplined about it. It pays a steady dividend, buys back shares — recently in the billions of euros annually — and uses the rest to bolt on smaller software and automation companies. The company started in 1847 making telegraph equipment, but today it's less about the past and more about whether Europe's industrial base can keep pace with cheaper and faster competitors. That's the real question hanging over it.
Saved answer · last researched 11 Oct 2026