What the company or idea is
Siemens is a German multinational engineering company founded in 1847 as Telegraphen-Bauanstalt von Siemens & Halske in Berlin. It evolved through mergers into Siemens AG in 1966.
How it actually makes money
Siemens makes money from industrial automation, building automation, rail transport, and health technology. It does not make money from consumer electronics or software-as-a-service for non-industrial users.
What works
Its early model worked: rapid internationalisation via family agents (England, Russia), vertical integration from invention to installation (telegraph lines, elevators, trams), and patent-backed standard-setting (dynamo, x-ray tubes).
What does not
Siemens does not sustain leadership in all its historical domains: it no longer builds x-ray tubes, electric trams, or passenger trains as standalone products. Its current health technology division is a successor, not a continuation, of the original tube business.
What to take from it
The gap between Siemens’s founding logic — applied electromagnetism deployed via owned workshops and international agents — and its present structure — a diversified, publicly listed conglomerate with AI and software at its core — reveals how industrial capability gets recoded as platform strategy over time.
Is it worth your time
Yes — if you are studying how engineering firms scale infrastructure innovation into global revenue without pivoting to venture capital narratives.