Journal Entries for Business Combinations (IFRS 3)

Quick Answer

Under IFRS 3 Business Combinations, a business combination is accounted for using the acquisition method, which has four steps: (1) identify the acquirer, (2) determine the acquisition date, (3) recognize and measure the identifiable assets acquired, liabilities assumed, and any non-controlling interest, and (4) recognize and measure goodwill or a bargain purchase gain. The core journal entry debits the identifiable net assets at fair value, credits the consideration transferred, and records the difference as goodwill (debit) or a bargain purchase gain (credit to profit or loss). Acquisition-related costs such as legal and advisory fees are expensed as incurred — they are not capitalized into the cost of the acquisition.

What Is a Business Combination Under IFRS 3?

IFRS 3 defines a business combination as "a transaction or other event in which an acquirer obtains control of one or more businesses." A business is an integrated set of activities and assets capable of being conducted and managed to provide a return — it must include at least an input and a substantive process that together contribute to the ability to create outputs. If what you are buying does not meet the definition of a business, you account for it as an asset acquisition rather than a business combination — an important distinction because asset acquisitions do not generate goodwill.

All business combinations must be accounted for using the acquisition method. Pooling-of-interests accounting, which was permitted under older standards, is no longer allowed under IFRS. The acquisition method provides a consistent framework that values the acquired business at fair value on the acquisition date.

The Acquisition Method: Four Steps

IFRS 3 prescribes a four-step approach to accounting for business combinations:

1. Identify the acquirer — The entity that obtains control of the acquiree. In a share-for-share exchange, the acquirer is typically the entity that issues shares and ends up with the larger voting interest.
2. Determine the acquisition date — The date on which the acquirer obtains control, usually the closing date. All fair value measurements are made as of this date.
3. Recognize and measure identifiable assets, liabilities, and NCI — At fair value (with limited exceptions). This includes tangible assets, identifiable intangible assets (brands, customer relationships, technology), and all liabilities, including contingent liabilities if their fair value can be measured reliably.
4. Recognize and measure goodwill or bargain purchase gain — The residual: consideration transferred plus NCI minus net identifiable assets.

For a detailed walkthrough of the purchase price allocation process, see our companion article on Purchase Price Allocation under IFRS 3, and for the journal entries specific to identifiable intangible assets, see Purchase Price Allocation: Journal Entries.

Journal Entries for a Basic Business Combination

Consider a straightforward acquisition: Alpha Co. acquires 100% of Beta Co. for $10 million in cash. Beta's identifiable net assets have a fair value of $8 million at the acquisition date:

In practice, the "Identifiable Net Assets" line is broken out into individual asset and liability accounts — cash acquired, accounts receivable, inventory, property and equipment, intangible assets, accounts payable, debt assumed, and so on. The acquirer records each at fair value. For more on the goodwill component, see our detailed article on Journal Entries for Goodwill.

Journal Entries for a Bargain Purchase (Negative Goodwill)

When the fair value of net identifiable assets acquired exceeds the consideration transferred, the acquirer has made a "bargain purchase." Under IFRS 3, the acquirer must first reassess whether it has correctly identified and measured all assets, liabilities, and consideration — because genuine bargain purchases are rare. If the excess remains after reassessment, it is recognized immediately in profit or loss:

Note the contrast with goodwill: while goodwill sits on the balance sheet as an intangible asset (tested annually for impairment), a bargain purchase gain flows directly to the income statement and is never deferred or amortized.

Journal Entries for Contingent Consideration

Many acquisition agreements include contingent consideration (earnouts) — additional payments to the sellers if the acquired business achieves specified milestones, such as revenue targets or EBITDA thresholds. Under IFRS 3, contingent consideration is recognized at fair value on the acquisition date, even if payment is uncertain:

Subsequent changes in the fair value of contingent consideration classified as a liability are recognized in profit or loss. For a deeper dive into earnout structures, refer to our article on Earnouts in M&A.

Journal Entries for Acquisition-Related Costs

A common pitfall is capitalizing acquisition-related costs — legal fees, due diligence expenses, finder's fees, and advisory costs — into the cost of the acquisition. Under IFRS 3, these are expensed as incurred:

The only exception is costs to issue debt or equity as part of financing the acquisition — debt issuance costs are deducted from the carrying amount of the debt (see Journal Entries for Debt Issuance Costs), and equity issuance costs are deducted from equity. Ordinary transaction costs, however, always go to the P&L.

Journal Entries for Deferred Tax in Business Combinations

When assets and liabilities are recorded at fair value on acquisition but retain their existing tax bases, temporary differences arise that create deferred tax assets or liabilities. Under IAS 12, these must be recognized as part of the acquisition accounting:

The recognition of deferred tax in a business combination directly impacts the amount of goodwill. For a complete treatment of deferred tax accounting, see our article on Journal Entries for Deferred Tax Assets and Liabilities.

Journal Entries for Step Acquisitions

A step acquisition occurs when the acquirer previously held a non-controlling equity interest in the acquiree and then purchases additional shares to obtain control. Under IFRS 3, the acquirer must remeasure its previously held equity interest to fair value on the acquisition date and recognize any gain or loss in profit or loss:

Goodwill is then calculated as: (consideration transferred for the additional stake + fair value of previously held interest + NCI) − net identifiable assets. This ensures that 100% of the acquiree is measured at fair value as of the date control is obtained.

Summary Table: Business Combination Journal Entries

Transaction	Debit	Credit
Basic acquisition (goodwill)	Net Assets, Goodwill	Cash / Shares Issued
Bargain purchase	Net Assets	Cash, Bargain Purchase Gain (P&L)
Contingent consideration at acquisition	Goodwill	Contingent Consideration Liability
Acquisition-related costs	Acquisition Expenses (P&L)	Cash
Deferred tax on fair value step-up	Goodwill	Deferred Tax Liability
Step acquisition — remeasurement gain	Investment in Associate	Gain on Remeasurement (P&L)

Key Takeaways

• All business combinations use the acquisition method — pooling of interests is prohibited under IFRS.
• Goodwill = consideration transferred + NCI − fair value of net identifiable assets. It is not amortized but tested for impairment annually under IAS 36.
• A bargain purchase gain is recognized immediately in profit or loss — not deferred.
• Contingent consideration (earnouts) is recognized at fair value on the acquisition date, with subsequent changes generally flowing through P&L.
• Acquisition-related costs (legal, advisory, due diligence) are expensed as incurred — only debt/equity issuance costs are capitalized.
• Deferred tax on fair value adjustments is recognized as part of the acquisition accounting, directly impacting the goodwill calculation.
• In a step acquisition, the previously held equity interest is remeasured to fair value with the gain or loss in P&L.
• For further reading, see our articles on Goodwill and Intangible Assets, Asset Purchase vs. Stock Purchase, and Journal Entries for Inventory Purchases.