What it means
The most common structure is straightforward: a parent buys or sets up a company and holds a majority of its shares, giving it the votes to appoint directors and set strategy. Ownership above 50% is the usual trigger, but accounting standards define control more broadly, covering power over the relevant activities plus exposure to variable returns.
That means a parent can occasionally control a subsidiary with less than half the shares, through contractual rights or a shareholder agreement. Groups use subsidiaries for practical reasons rather than accounting elegance.
Putting a risky new venture, a foreign operation or a regulated activity into its own company ring-fences liability, simplifies local licensing and makes the unit easier to sell later without disturbing the rest of the group. The accounting consequence is consolidation.
The parent adds 100% of the subsidiary's assets, liabilities, revenue and costs to its own, then removes any transactions between the two so that internal sales do not inflate group revenue. Where the parent owns less than all of the shares, the outside investors' slice is shown separately as non-controlling interest.
That non-controlling interest appears in two places: a share of profit in the income statement and a share of net assets in the equity section of the balance sheet. It tells a reader how much of the reported group profit actually belongs to the parent's own shareholders rather than to minority owners of the subsidiaries.
A subsidiary is different from an associate or a joint venture, where the parent has influence but not control and therefore uses the equity method instead of consolidating line by line. It is also worth remembering that a subsidiary's own creditors generally have a claim only against that entity, unless the parent has signed a guarantee.
In practice
Real-world examples.
Example
A software group creates a wholly owned German subsidiary to sell into the European Union, so that local data-protection registration, employment contracts and value added tax filings sit inside one entity. Group revenue includes the German sales in full, and intercompany licence fees paid to the parent are eliminated on consolidation.
Example
A family manufacturing business acquires 70% of a smaller competitor. Because it now controls that company, it consolidates the full results, and the 30% still held by the founding family appears in the group accounts as non-controlling interest.
Example
A hotel operator places each property into its own subsidiary with its own mortgage. When one hotel underperforms and the lender enforces its security, the loss is contained inside that single entity rather than spreading across the wider group.
Formula
Calculation
Non-controlling interest in profit = Subsidiary net profit x (100% - Parent ownership %)
Goodwill on acquisition = Price paid - (Parent ownership % x Fair value of subsidiary net assets)
Harbour Group buys 80% of a packaging company whose net assets are independently valued at $12,000,000, paying $12,000,000 for the stake. In its first full year under the new owner, the packaging company earns a net profit of $5,000,000.
Parent share of net assets acquired = 80% x $12,000,000 = $9,600,000
Goodwill = $12,000,000 - $9,600,000 = $2,400,000
Profit attributable to Harbour Group shareholders = 80% x $5,000,000 = $4,000,000
Profit attributable to non-controlling interest = 20% x $5,000,000 = $1,000,000
On the group balance sheet, the non-controlling interest in equity starts at 20% x $12,000,000 = $2,400,000, with the remaining $9,600,000 of the subsidiary's net assets sitting behind the parent's own shareholders. Note that all $5,000,000 of profit and all $12,000,000 of net assets are consolidated into the group totals; the split above simply shows who owns them.Case study
Seen in the real world.
Northbrook Industrial is an illustrative, entirely fictional group used to show how subsidiary reporting changes the picture. It owned 80% of a specialist valve manufacturer that contributed $5,000,000 of the group's $18,000,000 reported net profit, and the investor deck understandably led with the $18,000,000 figure.
An analyst reading the statements more carefully noticed that $1,000,000 of that profit belonged to the minority shareholders of the valve business. Profit attributable to Northbrook's own shareholders was therefore $17,000,000, and the earnings per share calculation had to be built from that smaller number.
The illustrative point is that consolidation deliberately shows the whole subsidiary, because the parent controls the whole subsidiary, but the line that matters for valuation is the profit attributable to the parent. Northbrook later bought out the remaining 20% for $22,000,000, removing the non-controlling interest line and adding the full $5,000,000 of subsidiary profit to its shareholders' share.
Watch out
Common mistakes.
- Consolidating only the parent's ownership percentage of a subsidiary's revenue and costs, when the rules require 100% of the lines with the outside share disclosed separately as non-controlling interest.
- Forgetting to eliminate intercompany sales, loans and management charges, which inflates group revenue and gross assets with transactions that never left the group.
- Assuming a parent is automatically liable for a subsidiary's debts, when in most cases separate legal personality protects the parent unless it has given a guarantee or comfort letter.
Questions
People also ask.
What is the difference between a subsidiary and a branch?
A subsidiary is a separate legal company with its own accounts and liability, whereas a branch is simply the same company operating in another location.
Can you have a subsidiary without owning 50% of the shares?
Yes, if contractual rights or a shareholder agreement give the parent control over the activities that drive returns, control rather than the share count is the deciding test.
Does a subsidiary still file its own accounts?
In most jurisdictions yes, since it remains a registered company with its own statutory filing obligations even though its numbers also appear inside the group statements.
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