Acquisition Accounting and Purchase Methods

Accounting for business combinations, including acquisition-date measurement, goodwill, bargain purchases, and predecessor merger methods.

Acquisition accounting determines how a buyer reports a business after obtaining control. The central guide is the Acquisition Method, which covers the accounting acquirer, acquisition date, identifiable net assets, non-controlling interests, goodwill, bargain purchases, and transaction costs.

Older documents may call this approach the purchase method, but the terms should not be treated as perfectly interchangeable. Current IFRS 3 and U.S. Topic 805 requirements developed beyond earlier purchase accounting, particularly for recognition, fair-value measurement, non-controlling interests, contingent consideration, and acquisition costs.

The historical Pooling of Interests method combined predecessor book values without the same acquisition-date remeasurement. It is useful for understanding older statements, but it is not the normal current model for a business combination.

Readers applying these concepts should distinguish a business combination from an asset acquisition and verify which reporting framework governs the transaction. The classification can change recognized goodwill, transaction costs, deferred taxes, and future depreciation or amortization.

In this section

Choose a subsection first. Deeper term pages live inside each subsection, which keeps large topic hubs readable.

Acquisition Method

Business-combination accounting method that identifies the acquirer, measures acquired net assets, and recognizes goodwill or a bargain-purchase gain.

Browse Accounting