Internal audit consists of a structured, four-to-six phase process designed to evaluate and improve an organization's risk management, control, and governance systems. The core steps include planning, conducting fieldwork, reporting findings, and following up on corrective actions to ensure operational effectiveness.
What Are the Steps in the Internal Audit Process?
Internal audit conducts assurance audits through a five-phase process which includes selection, planning, conducting fieldwork, reporting results, and following up on corrective action plans.
A typical audit is comprised of four stages: planning, fieldwork, reporting, and follow-up.
8 Effective Steps to Perform an Internal Audit Successfully
The 7 steps in the audit process generally cover Planning, Risk Assessment, Internal Control Testing, Fieldwork/Evidence Collection, Reporting, and Follow-Up, focusing on a systematic review from initial engagement to ensuring corrective actions are taken for operational improvement. This framework ensures comprehensive evaluation, from understanding the client's business to delivering actionable insights and ensuring accountability for identified issues.
The “5 P's of Internal Audit” includes 5 video-clips presenting testimonials from audit managers on the topics of Plan, Perform, People, Profile and Product.
The 5 Cs of audit (Criteria, Condition, Cause, Consequence, Corrective Action) are a framework for structuring clear, actionable audit findings, explaining what should be (Criteria), what is found (Condition), why it happened (Cause), what the impact is (Consequence/Effect), and how to fix it (Corrective Action/Recommendation) to drive organizational improvement and compliance.
The 7 E's in operational auditing are Effectiveness, Efficiency, Economy, Excellence, Ethics, Equity, and Ecology, forming a comprehensive framework for internal auditors to assess an organization's success beyond mere compliance, focusing on goal achievement, resource optimization, quality, moral conduct, fair treatment, and environmental impact to add significant value.
The checklist for Internal Audit
The principles of independence, objectivity, competence, confidentiality, professionalism, due professional care, and continuous improvement are essential for the internal audit function to fulfill its role as a trusted advisor to the organization.
The Three Lines of Defense Model addresses these weaknesses by clearly defining roles: the first line owns and manages risk in day-to-day operations, the second line provides oversight and guidance to ensure risks remain within appetite, and the third line offers independent assurance through internal audit.
An audit checklist may be a document or tool that to facilitate an audit programme which contains documented information such as the scope of the audit, evidence collection, audit tests and methods, analysis of the results as well as the conclusion and follow up actions such as corrective and preventive actions.
Audit workflow refers to the series of steps and processes involved in conducting an audit. This includes planning, data collection, testing, reporting, and follow-up. A well-organized workflow helps ensure audits are thorough, timely, and aligned with regulatory requirements.
Big Five
The 6 key phases of an internal audit process are: Planning, Preliminary Investigation, Implementation, Quality Assurance, Reporting, and Follow-Up. Each phase includes steps like defining audit procedures, analyzing the audit object, verifying facts, and reviewing outcomes to ensure compliance and improvement.
Objectivity is the cornerstone of the internal audit golden rule. Auditors must approach their work without bias, ensuring their evaluations are fair, impartial, and based solely on evidence.
Audit Process Although every audit process is unique, the audit process is similar for most engagements and normally consists of four stages: Planning (sometimes called Survey or Preliminary Review), Fieldwork, Audit Report and Follow-up Review. Client involvement is critical at each stage of the audit process.
4 levels of audit opinions
The basic principles of auditing are confidentiality, integrity, objectivity, independence, skills and competence, work performed by others, documentation, planning, audit evidence, accounting system and internal control, and audit reporting.
The Global Internal Audit Standards are organized into five domains: Purpose of Internal Auditing, Ethics and Professionalism, Governing the Internal Audit Function, Managing the Internal Audit Function, and Performing Internal Audit Services.
Internal Audit Checklist: Planning an Audit From Scratch
Types of Internal audits include compliance audits, operational audits, financial audits, and an information technology audits.
A CPA audit is a comprehensive examination of a company's financial records and processes. Conducted by Certified Public Accountants (CPAs), it ensures the accuracy and integrity of financial statements. Businesses undergo these audits to verify their financial health and compliance with accounting standards.