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📊 '''Accounting consolidation method''' refers to the technique an [[Definition:Insurance group | insurance group]] or [[Definition:Insurance holding company | holding company]] uses to combine the financial statements of its subsidiaries, associates, and other participations into a single set of group-level accounts. In the insurance industry, the choice of consolidation method carries particular weight because it determines how [[Definition:Technical provisions | technical provisions]], [[Definition:Investment portfolio | investment assets]], [[Definition:Own funds | own funds]], and intercompany [[Definition:Reinsurance | reinsurance]] arrangements are presented — and, critically, how [[Definition:Supervisory authority | regulators]] assess group-wide solvency. The three principal methods encountered in practice are full consolidation, proportional consolidation, and the equity method, each reflecting a different degree of control or influence the parent exercises over the entity being consolidated.

⚙️ Under full consolidation — the default approach for subsidiaries where the parent holds a controlling interest — all assets, liabilities, revenues, and expenses of the subsidiary are brought into the group accounts line by line, with [[Definition:Minority interest | minority interests]] shown separately. Proportional consolidation, sometimes permitted for joint ventures, includes only the parent's proportionate share of each line item. The equity method, typically applied to associates where the parent has significant influence but not control, records only the parent's share of the investee's net assets and profit. Frameworks diverge on when each method applies: [[Definition:International Financial Reporting Standards (IFRS) | IFRS]] generally prohibits proportional consolidation for joint ventures (requiring the equity method under IFRS 11), while [[Definition:Solvency II | Solvency II]] group supervision rules and [[Definition:US GAAP | US GAAP]] may permit or require different treatments. Under Solvency II specifically, the default for group solvency calculation is accounting consolidation (Method 1), which aggregates the consolidated group balance sheet, as opposed to the deduction-and-aggregation method (Method 2) used when full consolidation is impractical — for instance, when a group includes entities regulated under different sectoral regimes.

💡 Getting the consolidation method right is far more than a bookkeeping exercise for insurers. The method chosen directly affects the reported [[Definition:Solvency ratio | solvency ratio]] of the group, the visibility of intra-group transactions such as internal [[Definition:Retrocession | retrocession]] or [[Definition:Capital injection | capital transfers]], and the ability of supervisors to identify risks that might be obscured at the solo-entity level. Groups operating across multiple jurisdictions — for example, a European parent with subsidiaries reporting under [[Definition:China Risk Oriented Solvency System (C-ROSS) | C-ROSS]] in China or [[Definition:Risk-based capital (RBC) | RBC]] standards in the United States — must reconcile fundamentally different accounting bases before consolidation can proceed. Errors or inconsistencies in this process have historically contributed to supervisory concerns, reinforcing why international standard-setters and bodies like the [[Definition:International Association of Insurance Supervisors (IAIS) | IAIS]] continue to push for greater convergence in group-level reporting.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Solvency II]]
* [[Definition:Group solvency]]
* [[Definition:International Financial Reporting Standards (IFRS)]]
* [[Definition:Own funds]]
* [[Definition:Deduction and aggregation method]]
* [[Definition:Intra-group transaction]]
{{Div col end}}

Definition:Accounting consolidation method - Revision history

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