Who Is Siemens Owned By? Company Structure Explained

Siemens AG is one of the most recognized names in industrial automation, power, and infrastructure. If you're sourcing PLCs, drives, or HMIs and want to understand who you're actually dealing with or if you're just curious after seeing the name on half the equipment in your plant here's a straight answer on ownership, leadership, and company scale.

Who Actually Owns Siemens?

Siemens AG is a publicly traded corporation. That means ownership is distributed among thousands of shareholders — pension funds, mutual funds, institutional investors, and individual retail investors worldwide.

The largest identifiable anchor shareholders have historically included:

• Siemens Stiftung — a charitable foundation established by the Siemens family. It holds a meaningful minority stake, not a controlling interest.
• Siemens Pension Trust — holds shares on behalf of employees.
• Large institutional investors — asset managers like BlackRock, Vanguard, and European pension funds typically appear among the top shareholders by percentage of free float.

There is no majority owner. No single shareholder controls Siemens. The company is governed by a two-tier board structure standard in German corporate law: a Managing Board (Vorstand) that runs operations, and a Supervisory Board (Aufsichtsrat) that oversees management and represents shareholder interests.

Is Siemens Still a Family Company?

Technically, no — not in the sense that the founding family runs day-to-day operations or controls a majority stake. Werner von Siemens founded the company in 1847 in Berlin. The company went public over a century ago.

The Siemens family does maintain a connection through the Siemens Stiftung (Siemens Foundation), which is a significant philanthropic and shareholder entity. But "family company" in the traditional sense — where a family makes board decisions and controls the enterprise — does not apply to modern Siemens AG.

How rich is the Siemens family? The founding family's wealth is largely held through the foundation and various private interests. Exact figures are not publicly disclosed in detail. The Siemens Stiftung's stake in Siemens AG represents substantial value, but the foundation's assets are dedicated primarily to social and cultural programs, not personal family enrichment. For the most current shareholding figures, consult the latest Siemens AG Annual Report available at siemens.com.

Who Is the CEO of Siemens and Siemens USA?

At the global level, Siemens AG is led by a President and CEO who chairs the Managing Board. Executive leadership does change over time — confirm the current CEO by checking the executive team section at siemens.com before citing any individual's name.

Siemens' US operations are managed separately. Siemens Corporation is the US holding entity, and it has its own President and CEO. US leadership changes more frequently than the global CEO position — verify the current name and title directly at siemens.com before publishing or citing.

What Is the Siemens CEO's Salary?

Executive compensation at Siemens AG is disclosed annually in the company's Annual Report and Compensation Report, which are public documents required under German corporate governance rules. The total compensation package for the CEO typically includes a base salary, short-term variable components, and long-term share-based incentives.

Exact figures vary year to year. Total CEO compensation (base plus variable plus long-term incentives) at a company of Siemens' scale is typically in the multi-million euro range annually — this is consistent with peer European industrial conglomerates. For the specific current figure, consult the most recent Siemens AG Compensation Report, available at siemens.com.

Is Siemens the Biggest Company in the World?

No. Siemens is not the largest company in the world by revenue, market capitalization, or employee count.

It is, however, one of the largest industrial technology and infrastructure companies in Europe, and a global leader in several specific categories:

• Industrial automation (factory automation and process automation)
• Smart infrastructure (building technology, grid technology)
• Digital industries (PLCs, drives, software)
• Transportation (rail systems, through subsidiary Siemens Mobility)

In the industrial automation market specifically, Siemens competes directly with Rockwell Automation, Schneider Electric, ABB, Mitsubishi Electric, and Omron — none of which is dominant in every vertical or geography. Siemens' SIMATIC platform is one of the most widely deployed PLC families globally, which is why its hardware shows up in so many plants.

How Siemens Is Structured Today

Siemens has gone through significant restructuring in recent years. Several major divisions have been spun off or listed separately:

• Siemens Healthineers — medical technology, publicly listed separately (Siemens AG retains a significant ownership stake — confirm the current percentage in the latest Annual Report)
• Siemens Energy — energy technology including gas turbines and wind power, also separately listed
• Siemens AG (core) — retains Digital Industries, Smart Infrastructure, and Siemens Mobility

For maintenance technicians and controls engineers, the relevant piece is Siemens Digital Industries — that's the division behind SIMATIC PLCs, SINAMICS drives, SIRIUS motor controls, and TIA Portal software. When you're buying a Siemens S7-1200, S7-300, or ET 200 module, that product line lives under Digital Industries.

What This Means When You're Sourcing Siemens Parts

From a practical standpoint, Siemens' public ownership structure and scale have a few real implications for you as a buyer:

• Long product lifecycles — large public companies with global installed bases tend to support hardware for years. The S7-300, for example, had an extremely long production run before Siemens announced end-of-sale.
• Surplus market depth — because Siemens hardware is so widely deployed, the surplus and refurbished market is deep. You can often find tested, working units faster and cheaper than waiting on new stock.
• Spin-offs create confusion — Siemens Energy and Siemens Healthineers are now separate companies. Make sure the part you need falls under Siemens Digital Industries before contacting support channels.

Common Questions We Get at the Counter

"Is Siemens a German company?"

Yes. Siemens AG is headquartered in Munich, Germany, and is incorporated under German law. Its primary stock exchange listing is Frankfurt (XETRA).

"Is Siemens owned by the government?"

No. Siemens AG has no government ownership. It is a private-sector public company. This is distinct from some other large industrial firms globally where state investment funds hold significant stakes.

"Can I still buy Siemens SIMATIC parts for end-of-life PLCs?"

Yes — the surplus market is exactly where you go when new stock is unavailable or lead times are unacceptable. Siemens' large installed base means surplus inventory exists for many older SIMATIC modules.

Disclaimer: This guide is provided for general information only. Procedures vary by model, series, and firmware version. Industrial equipment can cause serious injury, equipment damage, or downtime if serviced incorrectly. Always consult the manufacturer's official documentation and a qualified professional before performing work, and follow your facility's lockout/tagout and safety procedures. PLC Department is an independent surplus supplier and is not affiliated with or endorsed by the manufacturers referenced. Use this information at your own discretion.