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Siemens subsidiaries · 2026

What companies does Siemens own?

Siemens owns 3,680 companies in 98 countries. Most of them are in the United States (1,172), India (533) and Germany (488), together 60% of the group. Below you find every company in the group, where it is registered and how it connects to the parent.

Data counted on

Siemens headquarters and key facts

Parent
Siemens AG
Headquarters
Werner-von-siemens-str. 1, 80333 München
Company no.
80333B6684
Companies owned
3,680
Countries
98
New in 2026
19

We place every company on one of three levels: the Global HQ, a National HQ per country, and Local HQs below it. Every number on this page is counted from that structure in our live data.

List of all 3,680 Siemens subsidiaries

The Siemens subsidiaries list: every company Siemens owns, where it is registered and how it connects to Siemens AG.

LIVE DATA STREAM • 2026 Audit

Siemens

Company Hierarchy

Total Subsidiaries3,680
Countries98
Total Revenue (est)—
Founded1847
CompanyLocationFoundedEmployeesRevenue (USD)Legal TypeCEOWebsiteCategory CodeCategory Description# in GroupLocal HQ NameLocal HQ CityLocal HQ CountryNational HQ NameNational HQ CityGlobal HQ NameGlobal HQ CityGlobal HQ Country
Enterprise

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What companies does Siemens own? Its businesses by activity

339 of the companies Siemens owns (9%) are in switchgear and switchboard apparatus, followed by computer programming services (255).

  • Switchgear and switchboard apparatus (9%)339
  • Computer programming services (7%)255
  • Medical, dental, and hospital equipment and supplies (6%)217
  • Electrical apparatus and equipment wiring supplies, and construction materials (4%)154
  • Engineering services (4%)137
  • Surgical and medical instruments and apparatus (3%)120
  • Industrial machinery and equipment (3%)96
  • Relays and industrial controls (2%)91
  • Automatic controls for regulating residential and commercial environments and appliances (2%)91
  • Business services (2%)86

Siemens subsidiaries by country

The United States has the most Siemens companies: 1,174, 32% of the group, ahead of India (536).

Top cities

  • Bengaluru70
  • München57
  • Utlandet50
  • Erlangen43
  • Chennai42

New Siemens subsidiaries in 2026

This year Siemens registered 19 new companies.

New companies per year
  1. 492022
  2. 572023
  3. 382024
  4. 282025
  5. 192026 so far
  • Siemens Industry Software SAS× 4FranceComputer programming services
  • Siemens Belgium NV× 2NorwayComputer facilities management services
  • Biomatters IncorporatedBoston, United StatesComputer and computer software stores
  • Gsl Biotech, LLCBoston, United StatesComputer programming services
  • Advanced Accelerator Applications Molecular Imaging FranceToulouse, FranceDrugs, drug proprietaries, and druggists' sundries
  • Siemens S.A.SVilleurbanne, FranceCommunications equipment
  • Siemens Mobility A/SNæstved, DenmarkIndustrial machinery and equipment
  • Kyros Ast2510 GMBHMünchen, GermanyHolding companies

Largest Siemens subsidiaries

Ranked by employees. Revenue is often booked on the group, so headcount shows better where the work is done.

  1. 1Arabia Electric Equipments CO LTD45,301 employees
  2. 2Siemens LLC18,568 employees
  3. 3Siemens Mobility GMBH13,855 employees
  4. 4Siemens Healthcare GMBH10,882 employees
  5. 5Siemens, S.R.O.7,474 employees

Oldest Siemens subsidiaries

The companies in the group with the earliest founding year.

  1. 1847Siemens AGMünchen, Germany
  2. 1847Siemens, S.A.Amadora, Portugal
  3. 1847Siemens Healthcare Diagnostics LTDBagshot, United Kingdom

Who owns Siemens?

Siemens AG sits at the top of its group: no other company in our data owns it.

Siemens AG is publicly traded with a diverse shareholder base and no single controlling shareholder.

Siemens competitors

Groups that own companies in the same activities. Open a profile to compare how they are built.

Siemens is one of the groups that own the most electronics and manufacturers in our data.

Siemens subsidiaries: frequently asked questions

Every answer is counted from the group data on this page.

Ask a data expert
What companies does Siemens own?

Siemens owns 3,680 companies. 339 of them (9%) are in switchgear and switchboard apparatus, followed by computer programming services (255).

How many subsidiaries does Siemens have?

Siemens has 3,680 companies in 98 countries, all owned by Siemens AG.

Where is Siemens headquartered?

Siemens AG is registered at Werner-von-siemens-str. 1, 80333 München, company number 80333B6684.

Which countries have the most Siemens companies?

The United States (1,174), India (536) and Germany (487), together 60% of the group.

How many new companies did Siemens start this year?

This year Siemens registered 19 new companies.

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