Alstom
A French multinational supplier of railway vehicles, systems, signalling, infrastructure and lifecycle services.
Last updated November 4, 2026
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Overview
Alstom is a French multinational rail-transport company supplying passenger trains, locomotives, trams, signalling, rail infrastructure, digital control systems and maintenance services. Its customers include national railway companies, urban-transit operators, infrastructure managers, public authorities and governments. The company operates across both mainline and urban rail, with activities spanning high-speed, intercity, regional, suburban and automated metro transport. The business originated in 1928 as Alsthom, a combination of the electrical-engineering division of Société Alsacienne de Constructions Mécaniques and Compagnie Française Thomson-Houston. Its early activities were concentrated on electrical equipment, heavy engineering and power-generation technology. It entered railway manufacturing in 1932 through the acquisition of Constructions Électriques de France, which produced electric locomotives and related equipment. During the following decades, Alsthom expanded into marine engineering, power generation, electrical systems and transport equipment. Its railway activities became particularly prominent through the development and production of trains for France’s TGV network. The corporate name changed from Alsthom to Alstom in 1998, after the business had operated as GEC Alsthom following a 1989 combination with the power-systems activities of the British General Electric Company. Alstom subsequently went through major portfolio changes. A severe financial crisis in the early 2000s led to restructuring, asset sales and European Union-approved state support. The company divested or separated several energy, marine and industrial activities while retaining and later rebuilding important power capabilities. In 2015, most of the energy business was sold to General Electric, leaving Alstom primarily focused on rail transportation. Rail has since become the company’s central identity and operating platform. Its portfolio includes the Avelia high-speed family, Citadis trams, Metropolis metros, regional and suburban trains, locomotives, signalling and train-control systems, traffic-management software, electrification and long-term maintenance. The 2021 acquisition of Bombardier Transportation substantially enlarged Alstom’s rolling-stock range, installed base, service contracts, signalling activities and geographical reach. The combined company became one of the world’s largest dedicated rail-equipment suppliers. Alstom’s business is project-based and typically involves multiyear tenders, engineering, manufacturing, testing, commissioning and service obligations. Revenue and profitability are therefore affected by public-transit budgets, procurement schedules, inflation, supply-chain availability, industrial execution, safety requirements, foreign-exchange movements and the timing of customer acceptance. In addition to selling vehicles, Alstom seeks recurring revenue through fleet maintenance, refurbishment, spare parts, digital services and infrastructure support. Its positioning is that of an integrated rail partner capable of combining vehicles, signalling, infrastructure and lifecycle services rather than a narrowly focused train manufacturer.
History
Alstom began in 1928 as Alsthom, formed through the combination of Compagnie Française Thomson-Houston and the electrical-engineering activities of Société Alsacienne de Constructions Mécaniques. It initially operated as a heavy electrical and engineering enterprise. In 1932, the acquisition of Constructions Électriques de France brought electric-locomotive manufacturing into the business and established an enduring transport component. The company expanded during the postwar industrial period. In 1969, Compagnie Générale d’Électricité became its majority shareholder. A 1976 merger with shipbuilder Chantiers de l’Atlantique created Alsthom Atlantique and broadened the company into marine engineering. In railway manufacturing, Alsthom delivered its first TGV to SNCF in 1978. TGV technology later produced several high-speed records and became one of the most visible foundations of the company’s rail reputation. Between 1989 and 1998, the company operated as GEC Alsthom after combining with the power-systems division of the British General Electric Company. This period brought acquisitions in rail vehicles, signalling and industrial power, including Metro-Cammell, Linke-Hofmann-Busch and SASIB’s rail-signalling business. The company became publicly listed in Paris in 1998 and adopted the Alstom name. During the late 1990s and early 2000s, Alstom still had extensive energy, marine and industrial operations. It acquired and reorganised power businesses, but entered a serious financial crisis by 2003 after weak markets, heavy liabilities and costs associated with a turbine design problem. A European Union-approved rescue involved French state participation and required major disposals, including grid activities, a diesel-locomotive business, marine assets and other subsidiaries. The French state’s stake was later sold to Bouygues. Alstom continued to restructure its portfolio during the following decade. It developed wind and hydropower activities, expanded rail manufacturing internationally and acquired additional transport capabilities, including a controlling interest in Fiat Ferroviaria. In 2014, after a contested bid process involving General Electric and Siemens, Alstom agreed to sell its power and grid businesses to General Electric. The transaction was completed in 2015, leaving Alstom principally devoted to rail transport. The company then pursued growth through rail platforms, signalling, services and international projects. Its most consequential transaction was the acquisition of Bombardier Transportation, completed in 2021. This brought together complementary train families, production sites, installed fleets, service agreements and signalling operations. Alstom now presents itself as a full-spectrum rail supplier, combining rolling stock with control systems, infrastructure, digital tools and long-term maintenance. Its modern history is consequently defined by the transition from a diversified electrical-industrial group to a specialist global rail company.
- 2021
Bombardier Transportation acquisition completed
[2]Alstom completes the acquisition of Bombardier Transportation and significantly expands its global rail platform.
- 2015
Energy activities transferred to General Electric
[1]The sale of most of Alstom’s energy business leaves rail as the company’s primary focus.
- 2007
TGV speed record
[1]An Alstom-developed TGV test train reaches 574.8 kilometres per hour.
- 2004
EU-approved rescue
[1]French state participation and an EU-approved support package accompany extensive asset disposals.
- 2003
Financial crisis and restructuring
[1]Heavy liabilities and operational problems lead to a major restructuring and discussions over state support.
- 1998
Alstom name adopted and shares listed
[1]The company adopts the Alstom name and becomes publicly listed in Paris.
- 1989
GEC Alsthom is created
[1]Alsthom combines with the power-systems division of the British General Electric Company.
- 1978
First TGV delivered to SNCF
[1]Alsthom delivers its first TGV train to France’s national railway operator.
- 1976
Merger with Chantiers de l’Atlantique
[1]The combination expands the company’s activities into shipbuilding and marine engineering.
- 1932
Entry into railway manufacturing
[1]Alsthom acquires Constructions Électriques de France, adding electric locomotives and related electrical and hydraulic equipment.
Products and positioning
An integrated rail-transport technology and services provider for railway operators, cities, infrastructure managers and government customers.
High-speed trains
Avelia
Avelia is Alstom’s family of high-speed trains. The platform is designed for different national networks and operating requirements, with variants addressing speed, capacity, interoperability, passenger comfort and energy efficiency. It represents the company’s principal branded high-speed offering and builds on Alstom’s long experience with TGV-derived technology.
Trams and light rail
Citadis
Citadis is Alstom’s modular tram family for urban and metropolitan networks. Configurations can be adapted to street-running or reserved alignments, local accessibility requirements, passenger volumes and city-integration objectives. The platform is used as part of broader urban-mobility projects that may include infrastructure, signalling and maintenance.
Metro trains
Metropolis
Metropolis is Alstom’s metro-train platform for urban rail operators. It can be configured for different train lengths, capacities, power systems, automation levels and passenger-flow requirements. The platform is commonly delivered alongside signalling, depot, control and maintenance solutions.
Signalling and digital rail
Railway signalling and train control
Alstom supplies signalling, interlocking, train-control, traffic-management and automation systems for mainline and urban railways. These products coordinate train movements, improve network capacity and support safety and automated operation. They may be integrated with vehicles, communications networks, electrification and infrastructure projects.
Maintenance and lifecycle services
Rail services
Alstom’s services business covers preventive and corrective maintenance, fleet refurbishment, spare parts, technical support, digital monitoring and long-term availability agreements. These services support trains and railway systems after initial delivery and are intended to extend asset life and improve operational reliability.
Controversies
2021
United Nations database concerning settlement-linked activities
The United Nations included Alstom in a database of business enterprises associated with specified activities connected to Israeli settlements in the occupied West Bank. The listing prompted divestment by Norway’s KLP pension fund; inclusion in the database is not itself a criminal conviction.
2019
Alstom Network UK fined over Tunisia tram-contract bribery
The UK arm of Alstom was fined £15 million for bribery connected to a tram contract in Tunisia. The article says Alstom Network UK had been convicted the previous year of conspiracy to corrupt.
2014
Foreign-bribery enforcement by the United States
Alstom admitted violations of the U.S. Foreign Corrupt Practices Act and agreed to pay a $772 million criminal penalty. The case concerned alleged improper payments used to secure contracts in countries including Indonesia, Saudi Arabia, Egypt, the Bahamas and Taiwan.
2014
UK corruption proceedings involving Alstom Network UK
The UK Serious Fraud Office brought proceedings concerning alleged corruption connected with transport and energy contracts in several countries. In 2018, three executives were convicted of conspiracy to corrupt in relation to the Lithuania investigation.
Brand decisions
2021
Acquire Bombardier TransportationM&ABackground
Alstom sought greater scale in rolling stock, signalling, services and international rail markets after becoming a rail-focused company.
Action taken
Alstom completed the acquisition of Bombardier Transportation and integrated its assets, products, employees and customer contracts.
Aftermath
The deal expanded Alstom’s train portfolio, installed base, geographic footprint and systems capabilities, while also requiring integration and competition-related remedies.
2014
Sell most energy activities to General ElectricM&ABackground
Alstom was restructuring after years of financial pressure while the French government and other stakeholders considered the strategic importance of its energy operations and the future of its rail business.
Action taken
Alstom accepted General Electric’s offer for its power and grid activities after a competing Siemens proposal and extensive French government involvement.
Aftermath
The transaction was completed in 2015 and transformed Alstom into a predominantly rail-focused company.
- Siemens — Siemens submitted an alternative proposal involving an asset exchange and cash consideration, but the General Electric transaction proceeded.
Recent events
- Unconfirmed
Reported
Virgin unveils train designs for planned cross-Channel service linking London and Europe from 2030[8]
Virgin has unveiled a first look at its planned cross-Channel high-speed trains, with striking black and red designs, and intends to run 20 daily return services linking London with Paris, Brussels and Amsterdam from 2030, adding almost 7.5 million seats a year to the route in competition with Eurostar. The trains will be supplied under a signed deal with Alstom for 12 new high-speed trains.
- Unconfirmed
Reported
Alstom to build UK's first battery-electric long-distance train fleet for TransPennine Express[9]
The Department for Transport announced that Alstom will build the UK's first battery-electric trains for long-distance main line services, with work set to begin in 2028. The 29 new Adessia Stream trains will be built at Alstom's Litchurch Lane factory in Derby as part of an investment of almost £1bn, and are expected to enter service in 2034. The trains will be bought by rolling stock company Rock Rail and leased to TransPennine Express.
Reported
Alstom appoints Mohamed Khalil to lead its Saudi Arabia business[10]
Alstom announced Mohamed Khalil's appointment as Managing Director of Alstom in Saudi Arabia. He previously served as Managing Director of Alstom in Egypt.
Reported
Alstom appoints Michael Keroullé president of the Americas Region[11]
Alstom appointed Michael Keroullé as president of its Americas Region, effective July 1. He is responsible for the region’s commercial and operational performance and reports to Alstom chairman and CEO Henri Poupart Lafarge.
Reported
Alstom signs agreement to acquire Shunter[12]
Alstom signed an agreement to acquire Shunter, a Rotterdam-based rolling stock maintenance company. The transaction was announced on March 8 and was expected to be completed by Q2 2021.
Reported
Alstom completes acquisition of Bombardier's rail business[13]
Alstom completed its acquisition of Bombardier's rail business on January 29. Alstom said the transaction value was 5.5 billion euros.
Reported
iLint hydrogen project wins European Railway Award[14]
The iLint initiative to put hydrogen fuel cell trains into commercial operation on regional lines in Niedersachsen was named winner of the 14th European Railway Award. The project involved Alstom, Linde and transport authority LNVG.
Reported
Alstom and APSSDC begin engineer training programme[15]
Alstom began training the first batch of young diploma engineers in collaboration with Andhra Pradesh State Skill Development Corporation under the state’s SKILL AP initiative.
Reported
Alstom agrees to acquire Bombardier's rail business[16]
Alstom and Bombardier reached a provisional agreement for Alstom to acquire Bombardier's rail business for more than $7 billion, according to media reports.
Reported
Alstom announces proposed acquisition of Bombardier Transportation[17]
Bombardier announced that it had signed a memorandum of understanding with Alstom and the Caisse de dépôt et placement du Québec for the sale of Bombardier Transportation to Alstom. The proposed transaction was valued at an enterprise value of $8.2 billion, with closing expected in the first half of 2021, subject to regulatory approvals.
Sources22 sources
- 1Alstomen.wikipedia.org
- 2Alstom completes acquisition of Bombardier Transportationalstom.com
- 3Alstom pays $772 million to resolve foreign bribery chargesjustice.gov
- 4Alstom corporate websitealstom.com
- 5UK corruption proceedings involving Alstom Network UKsfo.gov.uk
- 6United Nations database concerning settlement-linked activitiesohchr.org
- 7Alstom Network UK fined over Tunisia tram-contract briberybusinesstimes.com.sg
- 8维珍公布计划2030年起运营的伦敦—欧洲跨海峡列车设计euronews.com
- 9阿尔斯通将为TransPennine Express建造英国首批长途干线电池电力列车车队bbc.co.uk
- 10阿尔斯通任命Mohamed Khalil领导其沙特业务menafn.com
- 11阿尔斯通任命 Michael Keroullé 为美洲区总裁eveningtribune.com
- 12阿尔斯通签署收购Shunter的协议railwaygazette.com
- 13阿尔斯通完成收购庞巴迪铁路业务finance.sina.com.cn
- 14iLint氢能项目获得欧洲铁路奖railwaygazette.com
- 15阿尔斯通与APSSDC启动工程师培训计划thehindubusinessline.com
- 16阿尔斯通同意收购庞巴迪轨道交通业务tech.sina.com.cn
- 17Alstom宣布拟收购庞巴迪运输业务finanznachrichten.de
- 18庞巴迪将铁路业务出售给阿尔斯通ctvnews.ca
- 19Bombardier sells rail division to focus on business aviationflightglobal.com
- 20Bombardier sells train-making division to French multinational Alstom | CBC Newscbc.ca
- 21Bombardier sells train-making division to French multinational Alstom | CBC Newscbc.ca
- 22NetNewsLedger - Bombardier Sells off Rail Division to Alstrom for $8.2 Billionnetnewsledger.com
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