Engagement
Planning
Assessment
Evidence
Interactive Guide to the Five Stages of an Audit Engagement
This initial stage is critical for risk management. Accepting the wrong client or failing to properly assess risks can lead to audit failure, reputational damage, and legal liability. The engagement letter provides legal protection and sets clear expectations.
Proper planning ensures audit efficiency and effectiveness. Understanding the business context allows auditors to identify where misstatements are most likely to occur and design appropriate procedures. Poor planning leads to inefficient audits and potential audit failures.
Inherent Risk (IR): Unavoidable risks based on nature of account/transaction
Control Risk (CR): Risk that controls fail to prevent/detect misstatement
Result: Higher RMM = More evidence needed
Risk assessment drives the entire audit approach. By identifying where risks are highest, auditors can focus their efforts on areas most likely to contain material misstatements. This makes audits more effective and efficient. Failure to properly assess risks is a leading cause of audit deficiencies.
Sufficient (Quantity): Enough evidence to support conclusions - determined by risk assessment and materiality
Appropriate (Quality): Evidence must be both relevant and reliable
1. Direct personal knowledge (Most Reliable)
2. External evidence from third parties
3. Internal evidence from client (Least Reliable)
This is where auditors actually "do the audit" - gathering evidence to support their opinion. The quality and quantity of evidence directly determine the strength of audit conclusions. More evidence and more reliable evidence = Lower detection risk = More confidence in the audit opinion.
F/S are presented fairly, in all material respects, in accordance with GAAP. This is the desired outcome.
F/S are fairly presented except for specific issues. Used when issues are material but not pervasive.
F/S are NOT fairly presented in accordance with GAAP. Material misstatements are pervasive.
Cannot express an opinion due to insufficient evidence or scope limitations.
The audit report is the culmination of the entire audit process and communicates the auditor's professional judgment to financial statement users. The opinion provides assurance (or lack thereof) that stakeholders rely on when making critical business and investment decisions. The audit report carries significant legal and professional responsibility.