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Alstom builds trains, rail systems, and the signaling equipment that keeps railways running.
Alstom is one of the world's biggest makers of trains and railway equipment. When a city wants a new metro line, when a country upgrades its high-speed rail, or when an old subway system needs new signaling to run more trains on the same tracks, Alstom is one of the few companies that can bid on the whole job. It sells trains you actually ride β high-speed trains like France's TGV, metro cars, trams, and commuter trains β plus the signals, trackside equipment, and maintenance contracts that keep them running for decades.

The business splits into a few big pieces. The biggest is making rolling stock, the industry term for the actual trains and carriages. The second is signaling, which sounds boring but is critical: it's the computers and sensors that tell trains where they are and keep them from colliding, so it quietly controls how many trains a line can carry. There's also a services arm that maintains trains and systems over their long lives, which brings in steady recurring revenue long after the initial sale. Companies and governments pay Alstom for the equipment upfront and then keep paying for maintenance and upgrades for years. Customers choose Alstom because few firms can deliver an entire rail system β train, signal, and service β as one package, and because rail projects demand proven track records that only a handful of players have. Bombardier Transportation is the story that defines modern Alstom. When Siemens tried to merge its rail business with Alstom in 2019, European regulators blocked it, worried the combined company would dominate the market. So Alstom turned around and bought Bombardier's rail unit instead, completing the deal in 2021. That made Alstom the world's second-biggest rail equipment maker after CRRC, the Chinese giant, and roughly doubled its size. The catch: Alstom took on a business with thin profits and troubled contracts, and it spent the following years cutting costs, fixing money-losing projects, and paying down the debt it took on to fund the purchase. Rail is a slow, political, and capital-hungry business. Orders are huge and lumpy β a single metro contract can be worth billions β and they depend on government budgets and infrastructure spending, so the pipeline swells and shrinks with politics. Alstom faces tough competition from CRRC, Siemens, and a smaller Spanish rival, CAF, and buyers are often state-owned railways that squeeze on price. Recent years brought real pressure: the company issued profit warnings in 2024 and 2025, its shares fell sharply, and it has worked to simplify the business and restore margins. The upside is that rail is a genuine long-term growth market β governments want greener transport, and electrified trains fit that agenda β and once Alstom installs a system, the maintenance revenue tends to stick around for decades.
Alstom's free cash flow has mostly gone toward fixing its balance sheet rather than rewarding shareholders. It has cut costs, reviewed underperforming contracts, and considered selling parts of the business to reduce debt, rather than paying big dividends or buying back stock. It's a company in repair mode: a giant with real engineering strengths and a captive long-term service business, now trying to prove that scale and discipline can turn into consistent profits.
Saved answer Β· last researched 8 Nov 2026