What is the difference between the full and partial goodwill methods?
A core Group Accounting interview question — asked in analyst and associate interviews across IB, PE, and the Big 4.
THE SHORT ANSWER
The choice (made per business combination under IFRS 3) is how you measure NCI at acquisition, which changes goodwill. Under the full-goodwill method, NCI is measured at its acquisition-date fair value, so the goodwill recognized includes the NCI's share of goodwill — goodwill (and total equity/NCI) is higher, reflecting goodwill on 100% of the business. Under the partial-goodwill method, NCI is measured at its proportionate share of the acquiree's identifiable net assets, so goodwill reflects only the parent's share — no goodwill is attributed to NCI, giving a lower goodwill and lower NCI. US GAAP requires full goodwill; IFRS permits either, deal by deal. The consequences: full goodwill puts more on the balance sheet and means more goodwill potentially exposed to impairment (and impairments must be grossed up to a notional-full basis under partial goodwill before comparing to recoverable amount). Partial goodwill is simpler and commonly used in practice in Europe. Always state which method, as it changes goodwill, NCI, and impairment mechanics.
WHAT INTERVIEWERS LISTEN FOR
- ✓Choice = how NCI is measured at acquisition (per deal under IFRS)
- ✓Full: NCI at fair value → goodwill includes NCI share (higher goodwill/NCI)
- ✓Partial: NCI at proportionate net assets → goodwill only parent's share (lower)
- ✓US GAAP requires full; affects balance sheet size and impairment mechanics
COMMON MISTAKES
- ✗Not linking the methods to NCI measurement
- ✗Thinking IFRS mandates one method
- ✗Ignoring the impairment gross-up under partial goodwill
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RELATED QUESTIONS
- Explain capital consolidation under IFRS 3.
- How do you account for a step acquisition where control is achieved?
- How do you handle a mid-year change in consolidation scope (acquisition or disposal)?
- How do you account for non-controlling interests (NCI)?
- When is proportionate consolidation used?
- Walk me through the mechanics of a step acquisition, including increases after control is obtained.