Benchmark your firm against data from 15,000+ accounting firms in the Accounting Industry Index. Get your copy

Explore the trends shaping the future of accounting and why its best years are ahead. Download the 2025 TaxDome Annual Report

350+ companies surveyed: How business clients choose accountants and what they’re willing to pay. Download the report

Download the security guide to learn how to protect client data and build lasting trust. Get the quide

Discover how a team of 10 with 1,000+ clients achieved 5-star loyalty. Read the story

What is an accounting period?

An accounting period is a designated interval during which a company’s financial transactions and activities are recorded and reported.

An accounting period is a term used extensively in many processes, including:

  • Financial reporting: where an accounting period is a standardized time frame for preparing and presenting financial statements 
  • Tax compliance: where accounting periods are used to determine the appropriate timing for filing tax returns and paying taxes
  • Performance evaluation: where by dividing a company’s operations into defined accounting periods, it becomes easier to assess its financial performance and identify trends

Common accounting periods are:

  • Month: suitable for frequent updates and timely monitoring
  • Quarter: typically aligns with quarterly reporting requirements for publicly traded companies
  • Year (also called a fiscal year): used for reports that cover a 12-month period that may or may not align with the calendar year

Frequently asked questions

Is it important to have consistent accounting periods?

Yes, it is important to have consistent accounting periods for several reasons:

  • They allow for accurate comparisons of financial performance across different periods
  • They ensure compliance with legal and regulatory requirements for financial reporting and tax filing
  • They enable businesses to analyze trends and make informed decisions based on comparable financial data

Can a company change its accounting period?

Yes, a company can change its accounting period. However, it typically requires proper justification and approval from relevant authorities, such as tax agencies. 

Reasons for changing an accounting period may include aligning with industry practices, improving operational efficiency, or accommodating specific business needs.

What happens if a company’s transactions span multiple accounting periods?

When transactions or activities span multiple accounting periods, the revenue or expenses associated with those transactions must be allocated in the appropriate periods using accrual accounting principles. 

This process may involve adjusting entries to ensure that financial statements accurately reflect the correct accounting period.