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Siemens AG
DAX component
PredecessorsA. Reyrolle & Company
Founded1 October 1847; 175 years ago (1847-10-01)
Berlin, Kingdom of Prussia
FounderWerner von Siemens
HeadquartersMunich and Berlin, Germany[1]
Area served
Key people
Jim Hagemann Snabe
Roland Busch
ProductsElectric generators, Transformers, Industrial and buildings automation, Medical equipment, Rolling stock, Water treatment systems, Fire alarms, PLM software, Marine engines, Diesel and gas engines, Electric motors, Pumps, Compressors, Gas turbines, Steam turbines, Industrial machines, Home appliances, Telecommunications equipment
ServicesBusiness services, financing, project engineering and construction
RevenueIncrease €71.977 billion (2022)[2]
Decrease €7.154 billion (2022)[2]
Decrease €4.392 billion (2022)[2]
Total assetsIncrease €151.502 billion (2022)[2]
Total equityIncrease €54.805 billion (2022)[2]
OwnerSiemens family (6.9%)
Number of employees
311,000 (2022)[2]

Siemens (German pronunciation: [ˈziːməns] (listen)[3][4][5] or [-mɛns][5]) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe.[6] It is headquartered in Munich and has several foreign branch offices.

The principal divisions of the corporation are Digital Industries, Smart Infrastructure, Mobility, Healthcare (branded Siemens Healthineers) and Financial Services.[7][8][9] The corporation is a prominent maker of medical diagnostics equipment; its medical health-care division, which generates about 12 percent of the corporation's total sales, is its second-most profitable unit after the industrial automation division. In this area, it is regarded as a pioneer and the company with the highest revenue in the world.[10][11] The corporation is a component of the Euro Stoxx 50 stock market index.[12] Siemens and its subsidiaries employ approximately 303,000 people worldwide and reported global revenue of around €62 billion in 2021 according to its earnings release.[2]


1847 to 1901

Werner von Siemens, co-founder of Siemens & Halske

Siemens & Halske was founded by Werner von Siemens and Johann Georg Halske on 1 October 1847. Based on the telegraph, their invention used a needle to point to the sequence of letters, instead of using Morse code. The company, then called Telegraphen-Bauanstalt von Siemens & Halske, opened its first workshop on 12 October.[13]

In 1848, the company built the first long-distance telegraph line in Europe: 500 km from Berlin to Frankfurt am Main. In 1850, the founder's younger brother, Carl Wilhelm Siemens, later Sir William Siemens, started to represent the company in London. The London agency became a branch office in 1858. In the 1850s, the company was involved in building long-distance telegraph networks in Russia. In 1855, a company branch headed by another brother, Carl Heinrich von Siemens, opened in St Petersburg, Russia. In 1867, Siemens completed the monumental Indo-European telegraph line stretching over 11,000 km from London to Calcutta.[14]

First electric locomotive, built in 1879 by company founder Werner von Siemens
First electric locomotive, built in 1879 by company founder Werner von Siemens

In 1867, Werner von Siemens described a dynamo without permanent magnets.[15] A similar system was also independently invented by Ányos Jedlik and Charles Wheatstone, but Siemens became the first company to build such devices. In 1881, a Siemens AC Alternator driven by a watermill was used to power the world's first electric street lighting in the town of Godalming, United Kingdom. The company continued to grow and diversified into electric trains and light bulbs. In 1885, Siemens sold one of its generators to George Westinghouse, thereby enabling Westinghouse to begin experimenting with AC networks in Pittsburgh, Pennsylvania.

In 1887, Siemens opened its first office in Japan.[16] In 1890, the founder retired and left the running of the company to his brother Carl and sons Arnold and Wilhelm. In 1892, Siemens was contracted to construct the Hobart electric tramway in Tasmania, Australia, as it increased its markets. The system opened in 1893 and became the first complete electric tram network in the Southern Hemisphere.[17]

1901 to 1933

The company built airplanes during World War I, for example, this Siemens airplane in 1926.
The company built airplanes during World War I, for example, this Siemens airplane in 1926.

Siemens & Halske (S & H) was incorporated in 1897 and then merged parts of its activities with Schuckert & Co., Nuremberg, in 1903 to become Siemens-Schuckert. In 1907, Siemens (Siemens & Halske and Siemens-Schuckert) had 34,324 employees and was the seventh-largest company in the German empire by number of employees.[18] (see List of German companies by employees in 1907)

In 1919, S & H and two other companies jointly formed the Osram lightbulb company.[19]

British Siemens advertisement from the 1920s
British Siemens advertisement from the 1920s

During the 1920s and 1930s, S & H started to manufacture radios, television sets, and electron microscopes.[20]

In 1932, Reiniger, Gebbert & Schall (Erlangen), Phönix AG (Rudolstadt) and Siemens-Reiniger-Veifa mbH (Berlin) merged to form the Siemens-Reiniger-Werke AG (SRW), the third of the so-called parent companies that merged in 1966 to form the present-day Siemens AG.[21]

In the 1920s, Siemens constructed the Ardnacrusha Hydro Power station on the River Shannon in the then Irish Free State, and it was a world first for its design. The company is remembered for its desire to raise the wages of its underpaid workers, only to be overruled by the Cumann na nGaedheal government.[22]

1933 to 1945

Prisoners around 1944 working at a Siemens factory in KZ Bobrek, a subcamp of Auschwitz concentration camp[23]
Prisoners around 1944 working at a Siemens factory in KZ Bobrek, a subcamp of Auschwitz concentration camp[23]
A Siemens truck being used as a Nazi public address vehicle in 1932
A Siemens truck being used as a Nazi public address vehicle in 1932

Siemens (at the time: Siemens-Schuckert) exploited the forced labour of deported people in extermination camps. The company owned a plant in Auschwitz concentration camp.[23][24]

Siemens Factory and Ravensbrück concentration camp
Siemens Factory and Ravensbrück concentration camp

Siemens exploited the forced labour of women in the concentration camp of Ravensbrück. The factory was located in front of the camp.[25]

During the final years of World War II, numerous plants and factories in Berlin and other major cities were destroyed by Allied air raids. To prevent further losses, manufacturing was therefore moved to alternative places and regions not affected by the air war. The goal was to secure continued production of important war-related and everyday goods. According to records, Siemens was operating almost 400 alternative or relocated manufacturing plants at the end of 1944 and in early 1945.

In 1972, Siemens sued German satirist F.C. Delius for his satirical history of the company, Unsere Siemens-Welt, and it was determined much of the book contained false claims although the trial itself publicized Siemens' history in Nazi Germany.[26] The company supplied electrical parts to Nazi concentration camps and death camps. The factories had poor working conditions, where malnutrition and death were common. Also, the scholarship has shown that the camp factories were created, run, and supplied by the SS, in conjunction with company officials, sometimes high-level officials.[27][28][29][30]

1945 to 2001

In the 1950s, and from their new base in Bavaria, S&H started to manufacture computers, semiconductor devices, washing machines, and pacemakers.[citation needed] In 1966, Siemens & Halske (S&H, founded in 1847), Siemens-Schuckertwerke (SSW, founded in 1903) and Siemens-Reiniger-Werke (SRW, founded in 1932) merged to form Siemens AG.[31] In 1969, Siemens formed Kraftwerk Union with AEG by pooling their nuclear power businesses.[32]

A 1973 Siemens electron microscope on display at the Musée des Arts et Métiers in Paris
A 1973 Siemens electron microscope on display at the Musée des Arts et Métiers in Paris

The company's first digital telephone exchange was produced in 1980, and in 1988, Siemens and GEC acquired the UK defence and technology company Plessey. Plessey's holdings were split, and Siemens took over the avionics, radar and traffic control businesses—as Siemens Plessey.[33]

Logo from 1973 to 1990
Logo from 1973 to 1990

In 1977, Advanced Micro Devices (AMD) entered into a joint venture with Siemens, which wanted to enhance its technology expertise and enter the American market.[34] Siemens purchased 20% of AMD's stock, giving the company an infusion of cash to increase its product lines.[34][35][36] The two companies also jointly established Advanced Micro Computers (AMC), located in Silicon Valley and in Germany, allowing AMD to enter the microcomputer development and manufacturing field,[34][37][38][39] in particular based on AMD's second-source Zilog Z8000 microprocessors.[40][41] When the two companies' vision for Advanced Micro Computers diverged, AMD bought out Siemens' stake in the American division in 1979.[42][43] AMD closed Advanced Micro Computers in late 1981 after switching focus to manufacturing second-source Intel x86 microprocessors.[40][44][45]

In 1985, Siemens bought Allis-Chalmers' interest in the partnership company Siemens-Allis (formed 1978) which supplied electrical control equipment. It was incorporated into Siemens' Energy and Automation division.[46]

In 1987, Siemens reintegrated Kraftwerk Union, the unit overseeing nuclear power business.[32]

In 1989, Siemens bought the solar photovoltaic business, including 3 solar module manufacturing plants, from industry pioneer ARCO Solar, owned by oil firm ARCO.[47]

In 1991, Siemens acquired Nixdorf Computer AG and renamed it Siemens Nixdorf Informationssysteme AG, in order to produce personal computers.[48]

In October 1991, Siemens acquired the Industrial Systems Division of Texas Instruments, Inc, based in Johnson City, Tennessee. This division was organized as Siemens Industrial Automation, Inc.,[49] and was later absorbed by Siemens Energy and Automation, Inc.

In 1992, Siemens bought out IBM's half of ROLM (Siemens had bought into ROLM five years earlier), thus creating SiemensROLM Communications; eventually dropping ROLM from the name later in the 1990s.[50]

In 1993–1994, Siemens C651 electric trains for Singapore's Mass Rapid Transit (MRT) system were built in Austria.[citation needed]

In 1997, Siemens agreed to sell the defence arm of Siemens Plessey to British Aerospace (BAe) and a German aerospace company, DaimlerChrysler Aerospace. BAe and DASA acquired the British and German divisions of the operation respectively.[51]

In October 1997, Siemens Financial Services (SFS) was founded to act as a competence center for financing issues and as a manager of financial risks within Siemens.

In 1998, Siemens acquired Westinghouse Power Generation for more than $1.5 billion from the CBS Corporation and moving Siemens from third to second in the world power generation market.[52]

In 1999, Siemens' semiconductor operations were spun off into a new company called Infineon Technologies. Its Electromechanical Components operations were converted into a legally independent company: Siemens Electromechanical Components GmbH & Co. KG, (which, later that year, was sold to Tyco International Ltd for approximately $1.1 billion.[53]

In the same year, Siemens Nixdorf Informationssysteme AG became part of Fujitsu Siemens Computers AG, with its retail banking technology group becoming Wincor Nixdorf.[48]

In 2000, Shared Medical Systems Corporation[54] was acquired by the Siemens' Medical Engineering Group,[55] eventually becoming part of Siemens Medical Solutions.

Also in 2000, Atecs-Mannesman was acquired by Siemens,[56] The sale was finalised in April 2001 with 50% of the shares acquired, acquisition, Mannesmann VDO AG merged into Siemens Automotive forming Siemens VDO Automotive AG, Atecs Mannesmann Dematic Systems merged into Siemens Production and Logistics forming Siemens Dematic AG, Mannesmann Demag Delaval merged into the Power Generation division of Siemens AG.[57] Other parts of the company were acquired by Robert Bosch GmbH at the same time.[58] Also, Moore Products Co. of Spring House, PA USA was acquired by Siemens Energy & Automation, Inc.[59]

2001 to 2005

A Siemens Velaro high speed train in service on the Köln–Frankfurt high-speed rail line
A Siemens Velaro high speed train in service on the Köln–Frankfurt high-speed rail line

In 2001, Chemtech Group of Brazil was incorporated into the Siemens Group;[60] it provides industrial process optimisation, consultancy and other engineering services.[61]

Also in 2001, Siemens formed joint venture Framatome with Areva SA of France by merging much of the companies' nuclear businesses.[32]

In 2002, Siemens sold some of its business activities to Kohlberg Kravis Roberts & Co. L.P. (KKR), with its metering business included in the sale package.[62]

In 2002, Siemens abandoned the solar photovoltaic industry by selling its participation in a joint-venture company, established in 2001 with Shell and E.ON, to Shell.[63]

In 2003, Siemens acquired the flow division of Danfoss and incorporated it into the Automation and Drives division.[64] Also in 2003 Siemens acquired IndX software (realtime data organisation and presentation).[65][66] The same year in an unrelated development Siemens reopened its office in Kabul.[67] Also in 2003 agreed to buy Alstom Industrial Turbines; a manufacturer of small, medium and industrial gas turbines for €1.1 billion.[68][69] On 11 February 2003, Siemens planned to shorten phones' shelf life by bringing out annual Xelibri lines, with new devices launched as spring -summer and autumn-winter collections.[70] On 6 March 2003, the company opened an office in San Jose.[71] On 7 March 2003, the company announced that it planned to gain 10 per cent of the mainland China market for handsets.[72] On 18 March 2003, the company unveiled the latest in its series of Xelibri fashion phones.[73]

In 2004, the wind energy company Bonus Energy in Brande, Denmark was acquired,[74][75] forming Siemens Wind Power division.[76] Also in 2004, Siemens invested in Dasan Networks (South Korea, broadband network equipment) acquiring ~40% of the shares,[77] Nokia Siemens disinvested itself of the shares in 2008.[78] The same year Siemens acquired Photo-Scan (UK, CCTV systems),[79] US Filter Corporation (water and Waste Water Treatment Technologies/ Solutions, acquired from Veolia),[80] Hunstville Electronics Corporation (automobile electronics, acquired from Chrysler),[81] and Chantry Networks (WLAN equipment).[82]

In 2005, Siemens sold the Siemens mobile manufacturing business to BenQ, forming the BenQ-Siemens division. Also in 2005 Siemens acquired Flender Holding GmbH (Bocholt, Germany, gears/industrial drives),[83] Bewator AB (building security systems),[84] Wheelabrator Air Pollution Control, Inc. (Industrial and power station dust control systems),[85] AN Windenergie GmbH. (Wind energy),[86] Power Technologies Inc. (Schenectady, USA, energy industry software and training),[87] CTI Molecular Imaging (Positron emission tomography and molecular imaging systems),[88][89] Myrio (IPTV systems),[citation needed] Shaw Power Technologies International Ltd (UK/USA, electrical engineering consulting, acquired from Shaw Group),[90][91] and Transmitton (Ashby de la Zouch UK, rail and other industry control and asset management).[92]

2005 and continuing: worldwide bribery scandal

Beginning in 2005, Siemens became embroiled in a multi-national bribery scandal.[93] One component of this scandal was the Siemens Greek bribery scandal over deals between Siemens and Greek government officials during the 2004 Summer Olympic Games.[94] Siemens' activities came under legal scrutiny when complaints from prosecutors in Italy, Liechtenstein and Switzerland led to German authorities opening investigations, followed by a US investigation in 2006 concerning their activities while listed on US stock exchanges.[95] The investigators found that bribing officials to win contracts was standard operating procedure.[95][96] Over that time period the company paid around $1.3 billion in bribes in many countries and kept separate books to hide them.[96] Settlement negotiations took place through most of 2008 with settlement terms announced in December 2008. The company paid a total of about $1.6 billion, around $800 million to the US and Germany each. This was the largest bribery fine in history, at the time. The company was also obligated to spend $1 billion on setting up and funding new internal compliance regimens.[95] Siemens pleaded guilty to violating accounting provisions of the Foreign Corrupt Practices Act; the parent company did not plead guilty to paying bribes (although its Bangladesh and Venezuela subsidiaries did[96]).

Fines were anticipated to be as high as $5 billion as the investigation unfolded.[97] Settlement negotiations took place through most of 2008 and when they were announced in December they were far less, driven in part by Siemens' cooperation, in part by the imminent change in US administrations (the Obama administration was about to take over from the Bush administration), and in part by the dependence of the US military on Siemens as a contractor.[95][97][96]

The company paid a total of about $1.6 billion, around $800 million in each of the US and Germany. This was the largest bribery fine in history, at the time. The money paid to Germany included a $270 million fine paid the year before (related to bribes in Nigeria[98]). The US payment included $450 million in fines and penalties and a forfeiture of $350 million in profits.[96] The company was also obligated to spend $1 billion on setting up and funding new internal compliance regimens.[95] Siemens pleaded guilty to violating accounting provisions of the Foreign Corrupt Practices Act; the parent company did not plead guilty to paying bribes (although its Bangladesh and Venezuela subsidiaries did[96]); such a guilty plea would have barred Siemens from contracting for the US government.[95] As the scandal had started breaking, Siemens had fired its chairman and CEO Heinrich von Pierer, and had hired its first non-German CEO, Peter Löscher; it also had appointed a US lawyer, Peter Solmssen as an independent director to its board, in charge of compliance, and had accepted oversight of Theo Waigel, a former German finance minister, as a "compliance monitor".[97] The compliance overhaul eventually entailed hiring around 500 full-time compliance personnel worldwide. Siemens also enacted a series of new anti-corruption compliance policies, including a new anti-corruption handbook, web-based tools for due diligence and compliance, a confidential communications channel for employees to report irregular business practices, and a corporate disciplinary committee to impose appropriate disciplinary measures for substantiated misconduct.[99]

The culture of bribery was old in Siemens, and led to the 1914 scandal in Japan over bribes paid by both Siemens and Vickers to Japanese naval authorities to win shipbuilding contracts.[100]

The culture of bribery developed further within Siemens after World War II as it attempted to rebuild its business by competing in the developing world, where bribery is common. Until 1999 in Germany, bribes were a tax-deductible business expense, and there were no penalties for bribing foreign officials. In 1999 the OECD Anti-Bribery Convention came into effect, to which Germany was a party, and Siemens started to use off-shore accounts and other means of hiding its bribery.

As the investigation opened a midlevel executive in the telecommunications unit, Reinhard Siekaczek, was identified as a key player; Siekaczek quit Siemens in 2005 after the company required him to sign a document saying he had followed law and company policy, and turned state's evidence and led investigators to documents he had saved and to other documents. He had controlled an annual global bribery budget of $40 to $50 million. The usual method of bribery was to pay a local insider as a "contractor" who would in turn pass money to government officials; as part of the settlement Siemens disclosed that it had 2,700 such contractors worldwide. Bribes were generally around 5% of a contract's value but in very corrupt countries they could be as high as 40%. It paid the highest bribes in Argentina, Israel, Venezuela, China, Nigeria, and Russia.[95]

Examples of bribery the investigation found included:[95]

The investigation led directly to several prosecutions while it was unfolding, and led to settlements with other governments and prosecution of Siemens employees and bribe recipients in various countries.

In May 2007 a German court convicted two former executives of paying about €6 million in bribes from 1999 to 2002 to help Siemens win natural gas turbine supply contracts with Enel, an Italian energy company. The contracts were valued at about €450 million. Siemens was fined €38 million.[101]

In July 2009, Siemens settled allegations of fraud by a Russian affiliate in a World Bank-funded mass transit project in Moscow by agreeing to not bid on World Bank projects for two years, not allowing the Russian affiliate to do any World Bank funded work for four years, and setting up a $100 million fund at the World Bank to fund anti-corruption activities over 15 years, over which the World Bank had veto and audit rights; this fund became the "Siemens Integrity Initiative".[102][103] The first payments were made out of the funds in 2010 in a tranche of $40 million.[104] A second set of projects was funded in 2014 totaling $30 million.[105]

Siemens paid N7 billion to the Nigerian government in 2010.[106]

In 2012, the Greek government settled the Greek bribery scandal for 330 million euros.[107] The trial of the persons accused of involvement in the scandal began on 24 February 2017. A total of 64 individuals are accused, both Greek and German nationals.[108] The central figure of the scandal however, ex-Siemens chief executive in Greece Michael Christoforakos, against whom European arrest warrants are pending[109][110] will likely be absent, as Germany refuses his extradition to this day. Initially arrested in Germany in 2009, the accusations against him by German courts have been dropped, and he since lives free in this country.[111][112] Greece has been demanding his extradition since 2009, and considers him a fugitive from justice.

In 2014 a former Siemens executive Andres Truppel pleaded guilty to funneling nearly $100 million in bribes to Argentine government officials to win the ID card project for Siemens.[113]

In 2014 Israeli prosecutors decreed that Siemens should pay US$42.7 million penalty and appoint an external inspector to supervise its business in Israel in exchange for state prosecutors dropping charges of securities fraud. According to the indictment, "Siemens systematically paid bribes to Israel Electric Corporation executives so they would utilize their positions in order to favor and advance the interests of Siemens".[113]

2006 to 2011

In 2006, Siemens purchased Bayer Diagnostics which was incorporated into the Medical Solutions Diagnostics division on 1 January 2007,[114] also in 2006 Siemens acquired Controlotron (New York) (ultrasonic flow meters),[115][116] and also in 2006 Siemens acquired Diagnostic Products Corp., Kadon Electro Mechanical Services Ltd. (now TurboCare Canada Ltd.), Kühnle, Kopp, & Kausch AG, Opto Control, and VistaScape Security Systems.[117]

In January 2007, Siemens was fined €396 million by the European Commission for price fixing in EU electricity markets through a cartel involving 11 companies, including ABB, Alstom, Fuji Electric, Hitachi Japan, AE Power Systems, Mitsubishi Electric Corp, Schneider, Areva, Toshiba and VA Tech.[118] According to the commission, "between 1988 and 2004, the companies rigged bids for procurement contracts, fixed prices, allocated projects to each other, shared markets and exchanged commercially important and confidential information."[118] Siemens was given the highest fine of €396 million, more than half of the total, for its alleged leadership role in the activity.

Siemens power generating wind turbine towers
Siemens power generating wind turbine towers

In March 2007, a Siemens board member was temporarily arrested and accused of illegally financing a business-friendly labour association which competes against the union IG Metall. He has been released on bail. Offices of the labour union and of Siemens have been searched. Siemens denies any wrongdoing.[119] In April the Fixed Networks, Mobile Networks and Carrier Services divisions of Siemens merged with Nokia's Network Business Group in a 50/50 joint venture, creating a fixed and mobile network company called Nokia Siemens Networks. Nokia delayed the merger[120] due to bribery investigations against Siemens.[121] In October 2007, a court in Munich found that the company had bribed public officials in Libya, Russia, and Nigeria in return for the awarding of contracts; four former Nigerian Ministers of Communications were among those named as recipients of the payments. The company admitted to having paid the bribes and agreed to pay a fine of 201 million euros. In December 2007, the Nigerian government cancelled a contract with Siemens due to the bribery findings.[122][123]

Also in 2007, Siemens acquired Vai Ingdesi Automation (Argentina, Industrial Automation), UGS Corp., Dade Behring, Sidelco (Quebec, Canada), S/D Engineers Inc., and Gesellschaft für Systemforschung und Dienstleistungen im Gesundheitswesen mbH (GSD) (Germany).[124]

In July 2008, Siemens AG formed a joint venture of the Enterprise Communications business with the Gores Group, renamed Unify in 2013. The Gores Group holding a majority interest of 51% stake, with Siemens AG holding a minority interest of 49%.[125]

In August 2008, Siemens Project Ventures invested $15 million in the Arava Power Company. In a press release published that month, Peter Löscher, President and CEO of Siemens AG said: "This investment is another consequential step in further strengthening our green and sustainable technologies". Siemens now holds a 40% stake in the company.[126]

In January 2009, Siemens sold its 34% stake in Framatome, complaining limited managerial influence. In March, it formed an alliance with Rosatom of Russia to engage in nuclear-power activities.[32]

In April 2009, Fujitsu Siemens Computers became Fujitsu Technology Solutions as a result of Fujitsu buying out Siemens' share of the company.

In June 2009 news broke that Nokia Siemens had supplied telecommunications equipment to the Iranian telecom company that included the ability to intercept and monitor telecommunications, a facility known as "lawful intercept". The equipment was believed to have been used in the suppression of the 2009 Iranian election protests, leading to criticism of the company, including by the European Parliament. Nokia Siemens later divested its call monitoring business, and reduced its activities in Iran.[127][128][129][130][131][132]

In October 2009, Siemens signed a $418 million contract to buy Solel Solar Systems, an Israeli company in the solar thermal power business.[133]

In December 2010, Siemens agreed to sell its IT Solutions and Services subsidiary for €850 million to Atos. As part of the deal, Siemens agreed to take a 15% stake in the enlarged Atos, to be held for a minimum of five years. In addition, Siemens concluded a seven-year outsourcing contract worth around €5.5 billion, under which Atos will provide managed services and systems integration to Siemens.[134] At the same time, Germany’s Wegmann Group acquired Siemens' 49-percent stake in armored vehicle manufacturer Krauss-Maffei Wegmann GmbH, establishing Wegmann as the sole shareholder of KMW, pending approval by government authorities.[135][134]

2011 to present

In March 2011, it was decided to list Osram on the stock market in the autumn, but CEO Peter Löscher said Siemens intended to retain a long-term interest in the company, which was already independent from the technological and managerial viewpoints.

In September 2011, Siemens, which had been responsible for constructing all 17 of Germany's existing nuclear power plants, announced that it would exit the nuclear sector following the Fukushima disaster and the subsequent changes to German energy policy. Chief executive Peter Löscher has supported the German government's planned Energiewende, its transition to renewable energy technologies, calling it a "project of the century" and saying Berlin's target of reaching 35% renewable energy sources by 2020 was feasible.[136]

In November 2012, Siemens acquired the Rail division of Invensys for £1.7 billion. In the same month, Siemens acquired a privately held company, LMS International NV.[137]

In August 2013, Nokia acquired 100% of the company Nokia Siemens Networks, with a buy-out of Siemens AG, ending Siemens role in telecommunication.[138]

In August 2013, Siemens won a $966.8 million order for power plant components from oil firm Saudi Aramco, the largest bid it has ever received from the Saudi company.[139]

In 2014, Siemens announced plans to build a $264 million facility for making offshore wind turbines in Paull, England, as Britain's wind power rapidly expands. Siemens chose the Hull area on the east coast of England because it is close to other large offshore projects planned in coming years. The new plant is expected to begin producing turbine rotor blades in 2016. The plant and the associated service center, in Green Port Hull nearby, will employ about 1,000 workers. The facilities will serve the UK market, where the electricity that major power producers generate from wind grew by about 38 percent in 2013, representing about 6 percent of total electricity, according to government figures. There are also plans to increase Britain's wind-generating capacity at least threefold by 2020, to 14 gigawatts.[140]

In May 2014, Rolls-Royce agreed to sell its gas turbine and compressor energy business to Siemens for £1 billion.[141]

In June 2014, Siemens and Mitsubishi Heavy Industries announced their formation of joint ventures to bid for Alstom's troubled energy and transportation businesses (in locomotives, steam turbines, and aircraft engines). A rival bid by General Electric (GE) has been criticized by French government sources, who consider Alstom's operations as a "vital national interest" at a moment when the French unemployment level stands above 10% and some voters are turning towards the far-right.[142]

In 2015, Siemens acquired U.S. oilfield equipment maker Dresser-Rand Group Inc for $7.6 billion.[143][144]

In November 2016, Siemens acquired EDA company Mentor Graphics for $4.5 billion.[145]

In November 2017, the U.S. Department of Justice charged three Chinese employees of Guangzhou Bo Yu Information Technology Company Limited with hacking into corporate entities, including Siemens AG.[146]

In December 2017, Siemens acquired the medical technology company Fast Track Diagnostics for an undisclosed amount.[147]

In August 2018, Siemens acquired rapid application development company Mendix for €0.6 billion in cash.[148]

In May 2018, Siemens acquired J2 Innovations for an undisclosed amount.[149][150]

In May 2018, Siemens acquired Enlighted, Inc. for an undisclosed amount.[151]

In September 2019, Siemens and Orascom Construction signed an agreement with the Iraqi government to rebuild two power plants, which is believed to setup the company for future deals in the country.[152]

In 2019–2020, Siemens was identified as a key engineering company supporting the controversial[153] Adani Carmichael coal mine in Queensland (Australia).[154]

In January 2020, Siemens signed an agreement to acquire 99% equity share capital of Indian switchgear manufacturer C&S Electric at €267 million (₹2,100 crore).[155] The takeover was approved by the Competition Commission of India in August 2020.[156]

In April 2020, Siemens acquired a 77% majority stake in Indian building solution provider iMetrex Technologies for an undisclosed sum.[157]

In April 2020, Siemens Energy was created as an independent company out of the energy division of Siemens.[158] The trading of shares of the new Siemens Energy AG on the stock exchange is expected to be possible from 28 September onwards.[159]

In August 2020, Siemens Healthineers AG announced that it plans to acquire U.S. cancer device and software company Varian Medical Systems in an all-stock deal valued at $16.4 billion.[160]

In October 2021, Siemens acquired the building IoT software and hardware company Wattsense for an undisclosed sum.[161]

In May 2022, Siemens decided to drop Russian operations and everything regarding the conglomerate on the Russian state amid the ongoing war of aggression against Ukraine since February 24. In July 2022, Siemens acquired ZONA Technology, specialist in aerospace simulation firm.[162]

In October 2022, Siemens announced a strategic partnership with Swedish electric commercial vehicle manufacturer Volta Trucks to deliver and scale eMobility charging infrastructure to simplify the transition to fleet electrification. [163]

Products, services and contribution

Siemens C651 trains for the Singapore MRT at Ulu Pandan Depot

Siemens offers a wide range of electrical engineering and electronics-related products and services.[164] Its products can be broadly divided into the following categories: buildings-related products; drives, automation and industrial plant-related products; energy-related products; lighting; medical products; and transportation and logistics-related products.[164]

Siemens buildings-related products include building-automation equipment and systems; building-operations equipment and systems; building fire-safety equipment and systems; building-security equipment and systems; and low-voltage switchgear including circuit protection and distribution products.[164]

Siemens drives, automation and industrial plant-related products include motors and drives for conveyor belts; pumps and compressors; heavy duty motors and drives for rolling steel mills; compressors for oil and gas pipelines; mechanical components including gears for wind turbines and cement mills; automation equipment and systems and controls for production machinery and machine tools; and industrial plant for water processing and raw material processing.[164]

Siemens energy-related products include gas and steam turbines; generators; compressors; on- and offshore wind turbines; high-voltage transmission products; power transformers; high-voltage switching products and systems; alternating and direct current transmission systems; medium-voltage components and systems; and power automation products.[164]

In the renewable energy industry, the company provides a portfolio of products and services to help build and operate microgrids of any size. It provides generation and distribution of electrical energy as well as monitoring and controlling of microgrids.[165] By using primarily renewable energy, microgrids reduce carbon-dioxide emissions, which is often required by government regulations. It supplied a sustainable storage product and microgrids to Enel Produzione SPA for the island of Ventotene in Italy.[165]

Amtrak Siemens SC-44 Charger diesel-electric passenger locomotive parked in Santa Fe Depot, San Diego
Amtrak Siemens SC-44 Charger diesel-electric passenger locomotive parked in Santa Fe Depot, San Diego

Siemens medical products include clinical information technology systems; hearing instruments; in-vitro diagnostics equipment; imaging equipment including angiography, computed tomography, fluoroscopy, magnetic resonance, mammography, molecular imaging ultrasound, and x-ray equipment; and radiation oncology and particle therapy equipment.[164] As of 2015, Siemens finalized the sale of its hearing-aid (hearing instruments) business to Sivantos.[166][167]

Siemens transportation and logistics-related products include equipment and systems for rail transportation including rail vehicles for mass transit, regional and long-distance transportation, locomotives, equipment and systems for rail electrification, central control systems, interlockings, and automated train controls; equipment and systems for road traffic including traffic detection, information and guidance; equipment and systems for airport logistics including cargo tracking and baggage handling; and equipment and systems for postal automation including letter parcel sorting.[164]


This section needs to be updated. Please help update this article to reflect recent events or newly available information. (February 2020)

Siemens is incorporated in Germany and has its corporate headquarters in Munich.[168] As of 2011, has operations in around 190 countries and approximately 285 production and manufacturing facilities.[168] Siemens had around 360,000 employees as of 30 September 2011.[168]

Research and development

This section needs to be updated. Please help update this article to reflect recent events or newly available information. (February 2020)

In 2011, Siemens invested a total of €3.925 billion in research and development, equivalent to 5.3% of revenues.[168] As of 30 September 2011, Siemens had approximately 11,800 Germany-based employees engaged in research and development and approximately 16,000 in the rest of the world, of whom the majority were based in either Austria, China, Croatia, Denmark, France, India, Japan, Mexico, The Netherlands, Russia, Slovakia, Sweden, Switzerland, the United Kingdom or the United States.[168] As of 30 September 2011, Siemens held approximately 53,300 patents worldwide.[168]

Joint ventures

Siemens' current joint ventures include:

Former joint ventures include:


For the fiscal year 2017, Siemens reported earnings of EUR 6.046 billion, with an annual revenue of €83.049 billion, an increase of 4.3% over the previous fiscal cycle.[174] Siemens' shares traded at over US$58 per share, and its market capitalization was valued at US$95.3 billion in November 2018.[175] In November 2019, the company had higher fourth quarter earnings than expected, with adjusted earnings before interest, taxes, and amortization totaling €2.64 billion ($2.92 billion), but warned of a slowdown, especially in the car sector, next year.[6]

Year Revenue
in bn. EUR
Net income
in bn. EUR
Total Assets
in bn. EUR
2013 75.882 4.284 101.936 362,000
2014 71.920 5.373 104.879 357,000
2015 75.636 7.282 120.348 348,000
2016 79.644 5.450 125.717 351,000
2017 83.049 6.046 133.804 372,000
2018 83.044 5.807 138.915 379,000
2019 86.849 5.174 150.248 385,000
2020* 57.139 4.030 123.897 293,000
2021 62.265 6.161 139.608 295,000

* In 2020 Siemens Energy became an independent company


The company has issued 881,000,000 shares of common stock. The largest single shareholder continues to be the founding shareholder, the Siemens family, with a stake of 6.9%. 62% are held by institutional asset managers, the largest being two divisions of the world's largest asset manager BlackRock. 83.97% of the shares are considered public float, however including such strategic investors as the State of Qatar (DIC Company Ltd.) with 3.04%, the Government Pension Fund of Norway with 2.5% and Siemens AG itself with 3.04%. 19% are held by private investors, 13% by investors that are considered unidentifiable. 26% are owned by German investors, 21% by US investors, followed by the UK (11%), France (8%), Switzerland (8%) and a number of others (26%).[176]

Senior management

Chairmen of the Siemens-Schuckertwerke Managing Board (1903 to 1966)[177]

Chairmen of the Siemens & Halske / Siemens-Schuckertwerke Supervisory Board (1918 to 1966)[177]

Chairmen of the Siemens AG Managing Board (1966 to present)[177]

Chairmen of the Siemens AG Supervisory Board (1966 to present)[177]

Managing Board (present day)[178][179]

See also


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Further reading

  • Shaping the Future. The Siemens Entrepreneurs 1847–2018. Ed. Siemens Historical Institute, Hamburg 2018, ISBN 9-783867-746243.
  • Weiher, Siegfried von /Herbert Goetzeler (1984). The Siemens Company, Its Historical Role in the Progress of Electrical Engineering 1847–1980, 2nd ed. Berlin and Munich.
  • Feldenkirchen, Wilfried (2000). Siemens, From Workshop to Global Player, Munich.
  • Feldenkirchen, Wilfried / Eberhard Posner (2005): The Siemens Entrepreneurs, Continuity and Change, 1847–2005, Ten Portraits, Munich.
  • Greider, William (1997). One World, Ready or Not. Penguin Press. ISBN 0-7139-9211-5.
  • Margarete Buber: 303f As prisoners of Stalin and Hitler, Frankf / Main, Berlin 1993
  • See Carola Sachse: Jewish forced labor and non-Jewish women and men at Siemens from 1940 to 1945, in: International Scientific Correspondence, No. 1/1991, pp. 12–24; Karl-Heinz Roth: forced labor in the Siemens Group (1938 -1945). Facts, controversies, problems, in: Hermann Kaienburg (ed.): concentration camps and the German Economy 1939–1945 (Social studies, H. 34), Opladen 1996, pp. 149–168; Wilfried Feldenkirchen: 1918–1945 Siemens, Munich 1995, Ulrike fire, Claus Füllberg-Stolberg, Sylvia Kempe: work at Ravensbrück concentration camp, in: Women in concentration camps. Bergen-Belsen. Ravensbrück, Bremen, 1994, pp. 55–69; Ursula Krause-Schmitt: The path to the Siemens stock led past the crematorium, in: Information. German Resistance Study Group, Frankfurt / Main, 18 Jg, No. 37/38, Nov. 1993, pp. 38–46; Sigrid Jacobeit: working at Siemens in Ravensbrück, in: Dietrich Eichholz (eds) War and economy. Studies on German economic history 1939–1945, Berlin 1999.
  • Bundesarchiv Berlin, NS 19, No. 968, Communication on the creation of the barracks for the Siemens & Halske, the planned production and the planned expansion for 2,500 prisoners "after direct discussions with this company": Economic and Administrative Main Office of the SS ( WVHA), Oswald Pohl, secretly, to Reichsführer SS (RFSS), Heinrich Himmler, dated 20 October 1942.
  • Karl-Heinz Roth: forced labor in the Siemens Group, with a summary table, page 157 See also Ursula Krause-Schmitt: "The road to Siemens stock led to the crematorium past over," pp. 36f, where, according to the catalogs of the International Tracing Service Arolsen and Martin Weinmann (eds.).. The Nazi camp system, Frankfurt / Main 1990 and Feldkirchen: Siemens 1918–1945, pp. 198–214, and in particular the associated annotations 91–187.
  • MSS in the estate include Wanda Kiedrzy'nska, in: National Library of Poland, Warsaw, Manuscript Division, Sygn. akc 12013/1 and archive the memorial I/6-7-139 RA: see also: Woman Ravensbruck concentration camp. An overall presentation, State Justice Administration in Ludwigsburg, IV ART 409-Z 39/59, April 1972, pp. 129ff.