How business combinations are accounted for under IFRS 3 and ASC 805
- Graziano Stefanelli
- 21 hours ago
- 4 min read

Business combinations bring together two or more entities into a single reporting entity. Both IFRS 3 (Business Combinations) and ASC 805 (Business Combinations) require the acquisition method—recognizing identifiable assets acquired and liabilities assumed at fair value on the acquisition date, with the difference between consideration and net assets recognized as goodwill or gain from a bargain purchase.
The goal is to ensure that acquisitions reflect their true economic impact, portraying how control transfers and how future synergies, goodwill, and acquisition costs affect the acquirer’s financial position.
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How the acquisition method works.
Both standards follow four key steps:
1. Identify the acquirer.The entity that obtains control (under IFRS 10 or ASC 810). Indicators: majority voting rights, power to appoint board members, or governing control of financial and operating policies.
2. Determine the acquisition date.The date when control passes—typically the closing or settlement date.
3. Recognize and measure identifiable assets, liabilities, and non-controlling interests (NCI).All identifiable items (tangible and intangible) measured at fair value. NCI measured differently under IFRS and GAAP (see below).
4. Recognize goodwill or gain from a bargain purchase.Goodwill = Consideration transferred + NCI + Fair value of previous interest − Net identifiable assets.
Example (IFRS/GAAP):Consideration = 10,000,000Fair value of NCI = 2,500,000Net identifiable assets = 11,500,000
→ Goodwill = 10,000,000 + 2,500,000 − 11,500,000 = 1,000,000
Entry:
Debit: Identifiable Net Assets 11,500,000
Debit: Goodwill 1,000,000
Credit: Consideration (Cash/Shares) 10,000,000
Credit: NCI 2,500,000
If the sum is less than fair value of net assets, recognize a bargain purchase gain in profit or loss.
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Measurement of non-controlling interest (NCI).
IFRS 3:Allows choice per transaction:
Fair value (full goodwill method), or
Proportionate share of net identifiable assets (partial goodwill method).
ASC 805:Requires fair value measurement of NCI only—no option.
Example:Net identifiable assets = 5,000,000; NCI = 25%.
Fair value of NCI = 1,400,000.
Proportionate share = 1,250,000.
Choosing fair value results in higher goodwill and higher equity.
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Recognizing identifiable intangible assets.
Both frameworks require separate recognition of identifiable intangibles at fair value when:
Arise from contractual or legal rights, or
Are separable (capable of being sold or transferred).
Examples: trademarks, patents, customer relationships, technology, and brand names.
Example — intangible allocation:Purchase price = 8,000,000; net assets (excluding intangibles) = 6,000,000; identifiable intangibles fair value = 1,000,000.→ Goodwill = 1,000,000.
Entry:
Debit: Tangible Net Assets 6,000,000
Debit: Intangible Assets 1,000,000
Debit: Goodwill 1,000,000
Credit: Cash 8,000,000
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Contingent consideration and measurement period adjustments.
Contingent consideration:Additional payments depending on post-acquisition performance (earnouts).
Initially recognized at fair value at acquisition date.
Subsequent changes:
IFRS 3: through P&L if liability; equity if classified as such.
ASC 805: same treatment.
Measurement period:Up to one year after acquisition for final fair value adjustments.Adjustments within period → retrospectively adjust goodwill.After period → recognized in P&L.
Example:Earnout liability at acquisition = 500,000; revised to 600,000 after period.Entry (beyond measurement period):
Debit: Loss on Revaluation 100,000
Credit: Contingent Consideration Liability 100,000
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Step acquisitions and loss of control.
Step acquisitions:When control is achieved in stages.Revalue previously held interest to fair value at acquisition date.Recognize gain or loss in P&L.
Example:Prior 30% interest (FV 2,400,000; carrying 2,000,000); purchase additional 40% for 3,600,000.Net assets FV = 5,000,000.Goodwill = 2,400,000 + 3,600,000 − (0.7 × 5,000,000) = 1,100,000.Gain = 400,000 (revaluation of prior interest).
Loss of control:When a parent loses control, derecognize assets, liabilities, and NCI.Recognize gain/loss and remeasure retained investment at fair value.
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Comparative table: IFRS 3 vs ASC 805.
Aspect | IFRS 3 | US GAAP (ASC 805) |
Method | Acquisition method only | Acquisition method only |
NCI measurement | Choice: fair value or proportionate share | Fair value only |
Goodwill treatment | Not amortized; tested for impairment (IAS 36) | Not amortized; tested for impairment (ASC 350) |
Bargain purchase gain | Recognized in P&L | Same |
Contingent consideration | FV at acquisition; subsequent changes in P&L (if liability) | Same |
Transaction costs | Expensed as incurred | Expensed as incurred |
Step acquisition | Revalue prior interest to FV | Same |
Common control combinations | Outside IFRS 3 scope | Excluded, separate guidance (ASC 805-50) |
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Journal entries summary.
1) Acquisition:
Debit: Identifiable Net Assets (FV) xx
Debit: Goodwill xx
Credit: Consideration Paid xx
Credit: NCI xx
2) Bargain purchase gain:
Debit: Identifiable Net Assets xx
Credit: Consideration xx
Credit: Gain on Bargain Purchase xx
3) Contingent consideration adjustment:
Debit: Loss on Fair Value Change xx
Credit: Contingent Liability xx
4) Revaluation of prior interest:
Debit: Investment xx
Credit: Gain on Revaluation xx
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Disclosures required.
IFRS 3 / ASC 805 require detailed disclosures on:
The name and description of the acquiree.
Acquisition date and percentage ownership.
Consideration transferred (cash, shares, contingent).
Recognized amounts of each class of assets and liabilities.
Goodwill amount and factors contributing to it.
Revenue and profit of the acquired business since acquisition.
Pro forma results as if the combination had occurred at the start of the period.
Example disclosure:
Item | Amount (USD) |
Cash Paid | 10,000,000 |
Contingent Consideration | 500,000 |
Fair Value of NCI | 2,500,000 |
Identifiable Net Assets | 11,500,000 |
Goodwill Recognized | 1,500,000 |
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Impact on financial performance and ratios.
Business combinations often increase total assets, goodwill, and leverage ratios.Effects include:
EBITDA growth from combined revenue.
Lower ROA and ROE due to goodwill and fair value uplifts.
Volatile post-acquisition profits due to integration costs and fair value adjustments.
Cash flow impact from acquisition payments and restructuring costs.
Analysts assess adjusted earnings before goodwill impairment to measure underlying performance.
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Operational considerations.
To ensure compliance:
Maintain a detailed purchase price allocation (PPA) model.
Identify all intangible assets and value them using market, income, or cost approaches.
Document control assessment and NCI measurement method.
Coordinate between finance, tax, and valuation experts to align assumptions.
Prepare post-acquisition monitoring for impairment testing and earnout revaluation.
Transparent application of IFRS 3 and ASC 805 ensures that business combinations reflect economic reality, strategic intent, and future profitability potential.
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