Key Takeaways
- NCI appears as a separate line within equity on the consolidated balance sheet, not as a liability.
- At acquisition, the parent chooses to measure NCI at either fair value or the proportionate share of the subsidiary's identifiable net assets (IFRS 3.19 election, made deal by deal).
- Losses allocated to NCI can drive the NCI balance negative if the subsidiary's cumulative losses exceed the NCI's share of equity.
- Transactions with NCI holders that do not result in a loss of control are recorded entirely within equity, with no gain or loss in profit or loss.
What is Non-controlling Interest (NCI)?
IFRS 10.22 requires the parent to present NCI in consolidated equity, separately from the equity of the parent's owners. This is not a residual plug figure. The NCI balance starts with the amount recognised at the acquisition date under IFRS 3.19 and then moves each period for the NCI's share of profit or loss, other comprehensive income, dividends paid by the subsidiary, and any changes in ownership interest that do not result in loss of control.
The initial measurement choice matters. IFRS 3.19 offers two options on a transaction-by-transaction basis: measure NCI at fair value (the "full goodwill" method, which attributes a portion of goodwill to NCI) or at the NCI's proportionate share of the acquiree's identifiable net assets (the "partial goodwill" method, which attributes no goodwill to NCI). Once chosen for a given business combination, the election cannot be changed retrospectively.
IFRS 10.B94 addresses subsequent changes in ownership. If the parent buys additional shares from NCI holders without losing control, the difference between the consideration paid and the carrying amount of the NCI acquired is recognised directly in equity. No goodwill adjustment arises, and no gain or loss reaches the income statement. The same logic applies in reverse: partial disposals that do not cause a loss of control are equity transactions. ISA 600.A38 requires the group engagement team to understand the group structure, which includes verifying how NCI balances are calculated and whether ownership changes during the period were correctly classified as equity transactions or as disposals triggering deconsolidation.
Worked example: Rossi Alimentari S.p.A.
Client: Italian food production company, FY2025, revenue €67M, IFRS reporter. Rossi acquired 70% of Adriatica Conserve S.r.l. (a canning subsidiary with identifiable net assets of €10M at fair value) on 1 April 2025 for €9.8M. The remaining 30% is held by the founding family. Rossi elects to measure NCI at fair value.
Step 1 — Measure NCI at acquisition date
An independent valuation places the fair value of the 30% NCI at €4.5M. Under IFRS 3.19 (fair value option), NCI is recorded at €4.5M.
Step 2 — Calculate goodwill
Total consideration transferred is €9.8M (for 70%). NCI at fair value is €4.5M. The fair value of identifiable net assets acquired is €10M. Goodwill = (€9.8M + €4.5M) - €10M = €4.3M. Under the full goodwill method, this €4.3M includes goodwill attributable to NCI.
Step 3 — Roll forward NCI to year end
Adriatica earns net profit of €1.2M for the nine months from April to December 2025. NCI's 30% share is €0.36M. Adriatica pays no dividends in the period. NCI at 31 December 2025 = €4.5M + €0.36M = €4.86M.
Step 4 — Test an intra-year ownership change
In November 2025, Rossi acquires an additional 5% from the founding family for €0.9M. Rossi now holds 75%, and NCI is 25%. The carrying amount of the 5% NCI acquired at the transaction date is approximately €0.81M (5/30 x €4.86M, simplified). The difference of €0.09M (€0.9M paid minus €0.81M carrying amount) is debited directly to equity per IFRS 10.B96. No goodwill adjustment arises.
Conclusion: NCI at 31 December 2025 stands at approximately €4.05M (€4.86M less the €0.81M derecognised on the 5% acquisition), defensible because the initial fair value election is documented, the roll-forward reconciles to the subsidiary's results, and the intra-year purchase is classified as an equity transaction with no income statement effect.
Why it matters in practice
- Teams frequently record the difference between consideration paid and NCI carrying amount in profit or loss when the parent acquires additional shares without losing control. IFRS 10.B96 is explicit: the adjustment goes to equity. ISA 600.A38 requires the group engagement team to verify the accounting treatment of ownership changes, and misclassifying an equity transaction as a gain or loss overstates (or understates) consolidated profit.
- The NCI roll-forward is often incomplete. Practitioners remember to allocate the subsidiary's share of profit but omit the NCI's share of other comprehensive income (foreign currency translation differences, revaluation surpluses, remeasurement of defined benefit plans). IFRS 10.B94 requires allocation of total comprehensive income, not just profit or loss, and an incomplete roll-forward creates a reconciling difference between the equity section and the statement of changes in equity that inspection teams flag.
NCI vs. minority interest
| Dimension | Non-controlling interest (IFRS 10 / IFRS 3) | Minority interest (pre-2010 IAS 27) |
|---|---|---|
| Classification | Equity. Presented within equity, separately from the parent's equity (IAS 1.54(q)). | Varied. Some frameworks presented minority interest between liabilities and equity. |
| Loss allocation | Losses allocated to NCI even if this drives the NCI balance negative (IFRS 10.B94). | Under pre-2010 IAS 27, losses exceeding NCI were absorbed by the parent unless the minority had a binding obligation to fund them. |
| Goodwill measurement | Fair value option includes goodwill attributable to NCI (IFRS 3.19). Proportionate share option excludes it. | Goodwill was calculated only on the parent's share. No option to include minority-attributable goodwill. |
| Ownership changes without loss of control | Equity transaction. No gain or loss in profit or loss (IFRS 10.B96). | Treated as an acquisition or disposal, with goodwill adjustments or gains and losses recognised. |
The terminology shift from "minority interest" to "non-controlling interest" came with the 2008 revision of IAS 27 (effective 2010), which also changed the substance of the accounting. Practitioners still using the term "minority interest" in working papers should verify they are applying the IFRS 10 rules rather than the superseded IAS 27 approach that some local GAAPs still follow.
Related terms
Frequently asked questions
Can NCI go negative?
Yes. IFRS 10.B94 requires the parent to attribute total comprehensive income to NCI even if this causes the NCI balance to become negative (a deficit). Before the 2010 revision of IAS 27, losses exceeding the NCI balance were absorbed by the parent. The current rule means that if a subsidiary is loss-making for long enough, the NCI line in equity will turn negative, and the parent's equity will carry only its proportionate share of those losses.
How do I choose between fair value and proportionate share for measuring NCI?
IFRS 3.19 allows the election on a transaction-by-transaction basis. Fair value measurement results in higher goodwill (full goodwill, including the NCI portion) and a higher NCI balance at acquisition. Proportionate share measurement produces lower goodwill and a lower NCI balance. The choice affects subsequent goodwill impairment testing because the CGU carrying amount differs depending on which method was used. Most non-Big 4 firms default to the proportionate share method because obtaining a reliable fair value for NCI in private acquisitions requires an independent valuation that adds cost.
Does NCI affect earnings per share?
Not directly. IAS 33.12 defines basic EPS as profit attributable to ordinary equity holders of the parent divided by the weighted average number of ordinary shares. The NCI's share of profit is excluded from the numerator before the EPS calculation begins. However, if the parent misallocates profit between parent equity and NCI, the EPS numerator will be wrong, which is why auditors verify the NCI profit allocation as part of the consolidation adjustments review.