When one company controls another, the controlling company is generally called the parent and the controlled company is called a subsidiary. The relationship can be direct or run through several companies, and control does not always depend on owning more than half the shares. The exact test depends on the legal, reporting, or contractual context.
What is a subsidiary?
A subsidiary is an entity controlled by another entity, its parent. The parent may own the subsidiary’s shares or other interests, but ownership is only one part of determining control. Depending on the definition that applies, voting rights, board appointment rights, agreements, or provisions in governing documents may also matter.
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For U.S. SEC reporting, the SEC Financial Reporting Manual defines a subsidiary of a specified person as an affiliate controlled by that person, directly or indirectly through one or more intermediaries. See the SEC Financial Reporting Manual, Topic 2. That is a reporting-context definition, not a universal rule for every country, contract, or legal question.
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A parent company is the entity that controls a subsidiary. It may be an operating business in its own right, or it may mainly hold ownership interests in other entities; the latter is commonly called a holding company. A company can be both an operating company and a parent.
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“Parent” describes the company’s relationship to an entity it controls. It does not, by itself, explain how much of that entity the parent owns, whether the parent owns it directly, or which legal definition of control applies.
Can a company own another company indirectly?
Yes. A corporate group can have several tiers. For example, Company A may own Company B, and Company B may own Company C. Company B is A’s direct subsidiary; C is B’s direct subsidiary and may be indirectly controlled by A through B. SEC-filed materials illustrate indirect ownership and wholly owned group structures, including an agreement filed in 2008: SEC-filed agreement.
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This structure matters when identifying who ultimately controls a business. Looking only at the top company’s direct shareholding can miss control exercised through intermediate subsidiaries.
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How can control exist without majority ownership?
Majority voting ownership is one possible route to control, but other rights may be relevant. A definition reproduced in a 2003 SEC-filed document includes majority voting rights, the ability to appoint or remove a majority of the board, control of voting rights under an agreement, and a right to exercise dominant influence through constitutional documents or a control contract. These are examples from that document, not a universal test: 2003 SEC-filed document.
When assessing a particular relationship, examine the relevant documents and rights rather than assuming a single ownership percentage settles the question.
What does wholly owned subsidiary mean?
A wholly owned subsidiary is a narrower category than a subsidiary: it is fully held within the parent group under the definition relevant to the question. In the SEC Financial Reporting Manual’s cited reporting context, a subsidiary is 100% owned when all outstanding voting shares are owned directly or indirectly by the parent. Other agreements may define wholly owned status differently, including by reference to who may be members. The applicable document or reporting rule controls.
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- Author: Bungay Stanier, Michael.
- Publisher: Page Two
- Pages: 244
- Publication Date: 2016-02-29
- Edition: 1
Subsidiary, affiliate, parent, and control: why context matters
These terms do not have one definition that governs every jurisdiction and document. An SEC-filed corporate document from 2019, for example, distinguishes control from significant influence and says significant influence is presumed at 20% or more of voting stock or shares within that document’s framework. That threshold is specific to that framework and should not be treated as a general rule: 2019 SEC-filed corporate document.
For an actual company, transaction, or filing, use the definition in the governing statute, accounting or reporting rules, contract, or organizational documents that apply. Where the consequences are legal or financial, a percentage alone may not answer the question.
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Checklist for evaluating a company relationship
- Ownership share: What percentage of voting shares or other ownership interests is held?
- Voting control: Who can exercise voting rights, including rights assigned by agreement?
- Board control: Who can appoint or remove most directors or equivalent decision-makers?
- Document-based control: Do constitutional documents or contracts give an entity dominant influence or other control rights?
- Ownership chain: Is control direct, or does it pass through one or more subsidiaries?
- Wholly owned status: Does the applicable definition require all relevant shares or interests to be held by the parent group?
This checklist helps organize the facts; it does not replace the definition that applies in the relevant jurisdiction or document.
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