Amortization in a business refers to the systematic process of spreading the cost of an intangible asset over its useful life. Instead of recording the full expense at once, companies allocate the cost gradually across accounting periods to reflect how the asset contributes to revenue over time. This approach aligns with the matching principle, ensuring expenses are recognised in the same period as the benefits they generate.

Common assets that are amortized include patents, trademarks, copyrights, licenses, and software. For example, if a company purchases a patent for a set amount and expects it to generate value for ten years, it will divide that cost evenly or based on a specific method over that period. The most widely used approach is straight-line amortization, where the same expense is recorded each year.

Amortization also applies to certain financial obligations, such as loans. In this context, it refers to the gradual repayment of a loan through scheduled payments that cover both principal and interest over time.

On financial statements, amortization appears as an expense on the income statement, reducing reported profit, while accumulated amortization is recorded on the balance sheet to show the declining value of the asset. Although it is a non-cash expense, it plays a crucial role in financial reporting, tax planning, and business valuation. Overall, amortization helps businesses present a more accurate picture of their financial performance and asset utilization.