Siemens

Siemens is a German multinational technology and engineering group whose modern activities are concentrated in industrial automation and software, intelligent infrastructure, rail transport, and healthcare technology. The company’s origins lie in Telegraphen-Bauanstalt von Siemens & Halske, established in Berlin on 1 October 1847 by Werner von Siemens and Johann Georg Halske. Its early business was based on telegraph equipment and long-distance communications, but it quickly expanded into electrical generation, lighting, transport, communications, manufacturing, and medical technology. During the nineteenth century, Siemens built telegraph networks in Germany, Russia, and elsewhere, including the long-distance line between Berlin and Frankfurt and the Indo-European Telegraph Line linking London with Calcutta. Werner von Siemens’s work on the dynamo helped establish the company as an electrical engineering enterprise. Siemens later supplied generators, electric lighting systems, electric trains, tramways, and other equipment. International operations developed early: the London agency became a branch in 1858, a St Petersburg branch opened in 1855, and the company established an office in Japan in 1887. Its contract for the Hobart electric tramway, which opened in 1893, gave it an early role in electric urban transport outside Europe. The business expanded through corporate combinations. Siemens & Halske became a corporation in 1897 and combined activities with Schuckert & Co. in 1903 to form Siemens-Schuckert. Siemens-Reiniger-Werke, created in 1932 through the combination of medical-equipment companies, became the third major predecessor of today’s group. In 1966, Siemens & Halske, Siemens-Schuckertwerke, and Siemens-Reiniger-Werke merged to create Siemens AG. The postwar group diversified into computers, semiconductors, household appliances, telecommunications, automation, power engineering, and medical equipment. Siemens became a broad conglomerate during the late twentieth century through acquisitions, joint ventures, and divestments. It participated in nuclear power through Kraftwerk Union, expanded its industrial automation and communications businesses, acquired Nixdorf Computer, bought Westinghouse Power Generation, and built positions in automotive electronics, rail systems, energy technology, and healthcare. Several significant activities were later separated from the group, including Infineon Technologies, the mobile-phone business, Osram-related lighting activities, Siemens Healthineers, and Siemens Energy. These transactions formed part of a long-term effort to focus Siemens on businesses where industrial technology, digital systems, infrastructure, and recurring service capabilities could be combined. The company’s history also includes serious historical and legal controversies. During the Nazi period and the Second World War, Siemens used forced labor, including laborers deported to concentration camps, and operated facilities connected with the camp system. The company’s wartime history has been documented by historians and acknowledged as part of Siemens’s corporate past. From 2005, Siemens became the subject of a major multinational bribery investigation involving alleged off-book payments and improper business practices in several countries. The scandal led to criminal and regulatory proceedings, large settlements, management changes, and a comprehensive compliance overhaul. Today, Siemens organizes its principal industrial activities around Digital Industries, Smart Infrastructure, Mobility, and related financial services. Siemens Mobility develops rail vehicles, signaling, electrification, automation, and transport-management systems. Digital Industries supplies factory automation, industrial control, drives, digital twins, and industrial software. Smart Infrastructure covers building automation, electrification, power distribution, and energy-management systems. Healthcare activities are conducted p…

Siemens began in Berlin in 1847 as a telegraph workshop founded by Werner von Siemens and Johann Georg Halske. Its first major achievement was the construction of a 500-kilometre telegraph line between Berlin and Frankfurt in 1848. International expansion followed through branches and projects in London, Russia, Japan, and across the growing global telegraph network. The company’s work on dynamos, generators, electric lighting, and railway equipment moved it beyond communications into the broader electrical industry. In 1867, Werner von Siemens described a dynamo based on the self-excited generation of electricity. Siemens subsequently supplied electrical equipment for lighting and transport projects, including a water-powered alternator used for street lighting in Godalming, England, and the Hobart electric tramway in Tasmania. By the early twentieth century, the company had become a substantial German industrial enterprise. Siemens & Halske incorporated in 1897, while its combination with Schuckert & Co. in 1903 created Siemens-Schuckert. Its medical activities were consolidated through Siemens-Reiniger-Werke in 1932. The Nazi and wartime period is a major and troubling part of Siemens history. Siemens companies used forced laborers, including people deported from concentration camps, and operated production facilities associated with the camp system. Wartime factories were dispersed across alternative locations as Allied bombing destroyed plants in Berlin and other cities. After 1945, Siemens rebuilt from Bavaria and expanded into computers, semiconductors, telecommunications, consumer appliances, automation, medical technology, and power engineering. The present corporate structure emerged in 1966, when Siemens & Halske, Siemens-Schuckertwerke, and Siemens-Reiniger-Werke merged into Siemens AG. The group pursued extensive acquisitions and alliances during the following decades. It participated in nuclear power through Kraftwerk Union, entered computing through Nixdorf, expanded power generation through Westinghouse Power Generation, and developed industrial automation through acquisitions and internal growth. At the same time, several businesses were divested or spun off, including Infineon Technologies, the mobile-phone business, lighting activities, Siemens Healthineers, and Siemens Energy. Beginning in 2005, Siemens faced a broad bribery scandal involving alleged illicit payments, inadequate internal controls, and investigations across several jurisdictions. The consequences included legal settlements, management disruption, and one of the most extensive corporate compliance reforms in modern German business history. Siemens subsequently repositioned itself around industrial digitalization, smart infrastructure, mobility, and healthcare technology. Its current strategy links automation hardware, industrial software, electrification, buildings, rail systems, and services, while major former divisions operate as independent public companies or separate businesses.

1. 2020Siemens Energy spin-off

   Siemens completed the separation of its energy business into Siemens Energy AG.

   Source
2. 2017Siemens Healthineers listed

   The healthcare technology business was separated into Siemens Healthineers AG.

   Source
3. 2005Mobile business transferred to BenQ

   Siemens sold its mobile-phone manufacturing business to BenQ.

   Source
4. 2005Bribery scandal emerges

   Siemens became the subject of multinational investigations into alleged bribery and improper payments.

   Source
5. 1999Infineon separation

   Siemens spun off its semiconductor operations into Infineon Technologies.

   Source
6. 1991Nixdorf acquired

   Siemens acquired Nixdorf Computer and created Siemens Nixdorf Informationssysteme.

   Source
7. 1966Siemens AG created

   Siemens & Halske, Siemens-Schuckertwerke, and Siemens-Reiniger-Werke merged into Siemens AG.

   Source
8. 1932Medical predecessor established

   Several medical-equipment businesses combined to form Siemens-Reiniger-Werke.

   Source
9. 1903Siemens-Schuckert formed

   Siemens combined activities with Schuckert & Co. to create Siemens-Schuckert.

   Source
10. 1893Hobart electric tramway opens

    A Siemens-built system opened in Hobart, Tasmania, and became an early complete electric tram network in the Southern Hemisphere.

    Source
11. 1867Dynamo principle described

    Werner von Siemens described a self-excited dynamo, supporting the company’s expansion into electrical generation.

    Source
12. 1848Berlin–Frankfurt telegraph line

    Siemens built one of Europe’s earliest long-distance telegraph lines, connecting Berlin and Frankfurt.

    Source
13. 1847Telegraph company founded

    Werner von Siemens and Johann Georg Halske established Telegraphen-Bauanstalt von Siemens & Halske in Berlin.

    Source

Global industrial technology company focused on digitalization, automation, electrification, mobility, healthcare, and more efficient infrastructure.

• Digital IndustriesIndustrial automation and software

  Digital Industries supplies factory automation hardware, programmable control systems, motion-control equipment, industrial communications, manufacturing software, and digital-twin capabilities. Its portfolio connects production machinery with engineering, operational, and lifecycle data.

• Smart InfrastructureBuilding and electrical infrastructure

  Smart Infrastructure provides building-management systems, fire and security technologies, electrical distribution, medium-voltage equipment, energy-management platforms, and infrastructure controls for commercial, industrial, and public facilities.

• Siemens MobilityRail transport

  Siemens Mobility develops locomotives, passenger trains, metros, tramways, rail electrification, signaling, control systems, and digital transport-management solutions. The business serves both urban transit and mainline rail operators.

• Siemens HealthineersHealthcare technology

  Siemens Healthineers develops medical imaging, laboratory diagnostics, cancer-care, point-of-care, and digital-health technologies. It operates as a separately listed company with Siemens AG as its principal strategic shareholder.

• Power and energy technologyEnergy engineering

  Siemens historically supplied generators, turbines, power-plant equipment, grid technology, and energy services. Much of the former energy portfolio was separated into Siemens Energy, although Siemens continues to serve infrastructure and electrification markets.

• 2020Energy business spun offM&A

  Energy generation and related markets had distinct capital requirements and cyclical exposure compared with Siemens’s industrial technology activities.

  What changed. Siemens completed the spin-off of Siemens Energy.

  Aftermath. Siemens became more focused on Digital Industries, Smart Infrastructure, Mobility, and related services, while Siemens Energy operated independently.

  Source
• 2017Healthcare business separated into Siemens HealthineersM&A

  Healthcare technology had developed into a large specialist business with its own investment needs and market identity.

  What changed. Siemens listed Siemens Healthineers as a separate public company while retaining a major ownership stake.

  Aftermath. The separation gave the healthcare business an independent capital-market profile while preserving its strategic relationship with Siemens.

  Source
• 2005Mobile-phone business transferred to BenQM&A

  Siemens’s handset business faced intense competition and changing economics in the global mobile-phone market.

  What changed. Siemens transferred the mobile-phone manufacturing business to BenQ, forming the BenQ-Siemens arrangement.

  Aftermath. Siemens exited direct handset manufacturing and concentrated more heavily on industrial, infrastructure, and professional technology businesses.

  Source
• 1999Semiconductor business spun offM&A

  Semiconductors had become a specialized and capital-intensive business with different competitive dynamics from Siemens’s industrial divisions.

  What changed. Siemens separated its semiconductor operations into Infineon Technologies.

  Aftermath. The transaction reduced Siemens’s direct exposure to semiconductor manufacturing while creating an independent technology company.

  Source
• 1966Creation of Siemens AGStrategy

  The group’s principal predecessor companies had developed separate identities across communications, power engineering, and medical technology.

  What changed. Siemens & Halske, Siemens-Schuckertwerke, and Siemens-Reiniger-Werke were merged into a single corporation.

  Aftermath. The merger created the modern Siemens group and provided a unified structure for international expansion and diversification.

  Source

• 2005Multinational bribery scandalControversy

  Siemens faced investigations in Germany and other countries concerning alleged bribery, improper payments, hidden accounts, and weaknesses in corporate controls. The proceedings covered multiple business areas and jurisdictions, including allegations connected with Greece and other international operations. The matter resulted in legal settlements, management changes, and a major redesign of Siemens’s compliance organization.

  Source

• 2020Siemens Energy separated from Siemens

  Siemens completed the spin-off of its energy business into Siemens Energy, narrowing the parent group’s focus on industrial technology and infrastructure.

  M&A
  Source
• 2018Siemens Healthineers becomes separately listed

  Siemens Healthineers was separated as a publicly traded healthcare technology company while remaining strategically linked to Siemens AG.

  M&A
  Source
• 2005Siemens mobile-phone business sold to BenQ

  Siemens transferred its mobile-phone manufacturing and handset business to BenQ, creating the BenQ-Siemens brand arrangement.

  M&A
  Source

1. Siemens
2. Siemens Healthineers
3. Siemens Energy