Expert verified Understanding the difference between Statutory Audit vs Internal Audit in India is essential for corporate governance, legal compliance, and internal risk management.
While both audits are important, they serve distinct purposes, follow different regulations, and report to separate authorities. Learn all about these differences here.
Difference Between Internal Vs Statutory Audit in India
Before we go into the details of the difference between internal audit and statutory audit in India, let’s take an overview in this comparison table
1. Objective
Internal Audit: Help improve the organization’s internal processes, manage risks, enhance operational efficiency, and ensure effective internal controls.
It acts as an advisory and assurance function that supports management in achieving strategic goals.
Statutory Audit: Provide an independent opinion on whether the financial statements reflect a true and fair view of the company’s financial position.
It ensures compliance with legal and accounting standards. This offers assurance to shareholders, regulators, and other external stakeholders.
2. Focus Area
Internal Audit: Covers a wide range of areas including risk management, internal control systems, compliance with internal policies, fraud detection, IT security, asset protection, and overall operational effectiveness.
The scope can be customized as per the goals and needs of the business.
Statutory Audit: The focus is narrow – mainly the examination of financial statements and related records to ensure they comply with applicable accounting standards, the Companies Act, and other financial regulations.
3. Governing Law / Authority
Internal Audit: Not legally mandated for all companies.
However, it is required for certain categories like listed companies, large unlisted companies, or regulated sectors (e.g., Banking, NBFCs) under SEBI and RBI guidelines.
Statutory Audit: Mandated under the Companies Act, 2013.
It must comply with auditing standards issued by the Institute of Chartered Accountants of India (ICAI).
4. Audit Standards and Guidelines Followed
Internal Audit: Generally follows the International Standards for the Professional Practice of Internal Auditing issued by the Institute of Internal Auditors (IIA).
In many companies, internal audit may also follow internal guidelines or policies customized to business needs.
Statutory Audit: Must comply with Standards on Auditing (SAs) issued by the Institute of Chartered Accountants of India (ICAI).
These standards are legally binding and aligned with international practices. The audit is also subject to regulations under the Companies Act and oversight by bodies such as NFRA.
5. Applicability
Internal Audit: Not applicable to all companies. Mandatory for certain companies based on thresholds.
However, many companies adopt internal audits voluntarily as a best practice to strengthen governance and controls.
Statutory Audit: Compulsory for all companies registered under the Companies Act, 2013, regardless of their size, turnover, or industry.
Every company must get its financial statements audited annually.
6. Conducted By
Internal Audit: Can be carried out by an internal audit department within the organization or outsourced to external professionals like PKC Management Consulting.
Auditors may hold various qualifications, such as Chartered Accountant (CA), Certified Internal Auditor (CIA), MBA, or other relevant credentials.
Statutory Audit: Must be conducted by an independent Practicing CA or a firm of Chartered Accountants holding a valid Certificate of Practice issued by ICAI.
The statutory auditor must be completely independent of the company’s management.
7. Appointed By
Internal Audit: Company’s Board of Directors, often based on the recommendation of the Audit Committee.
Senior management (such as the CEO or CFO) may also be involved in the selection process, depending on the company’s internal structure.
Statutory Audit: Shareholders during the Annual General Meeting (AGM), based on recommendations from the Board and the Audit Committee.
This process ensures that the auditor is accountable to the shareholders and remains independent from management influence.
8. Independence
Internal Audit: Internal auditors strive for independence by reporting functionally to the Audit Committee and administratively to senior management.
Statutory Audit: Statutory auditors are legally required to be completely independent of the company’s management.
They must not have any financial or business relationships with the company that could compromise their objectivity.
The Companies Act and auditing standards strictly enforce this independence, including mandatory rotation in some cases.
9. Scope Decided By
Internal Audit: Flexible and determined internally by management or the Audit Committee, based on risk assessments (Risk Based Internal Auditing) and business priorities.
It can vary from year to year and be adjusted to address emerging risks or organizational changes.
Statutory Audit: Defined by statutory requirements such as the Companies Act, 2013 and Standards on Auditing.
The auditor cannot limit or reduce the audit scope and must examine all aspects of the financial statements as required by law and professional standards.
10. Risk Coverage
Internal Audit: Covers a wide range of risks including financial, operational, compliance, fraud, IT, strategic, and reputational risks.
Its focus is on evaluating the effectiveness of controls in place to manage these risks across various business functions.
Statutory Audit: Primarily addresses the risk of material misstatements in the financial statements, whether due to fraud or error.
While it considers some operational and compliance risks, the focus remains on their impact on financial reporting.
11. Frequency
Internal Audit: Usually based on a risk assessment.
It could be conducted quarterly, semi-annually, or annually, and may also include continuous monitoring for high-risk areas.
Statutory Audit: Conducted annually after the close of the financial year.
It follows a fixed schedule dictated by law and must meet specific filing deadlines for regulatory compliance.
12. Timing and Flexibility
Internal Audit: Can be scheduled according to business needs, operational cycles, and emerging risks.
Management can adjust the timing to address urgent or specific concerns.
Statutory Audit: Fixed timelines, governed by the legal deadlines for filing the annual financial statements.
These deadlines are rigid, with limited flexibility for extensions.
13. Nature of Audit Evidence
Internal Audit: Use a wide range of evidence, including both financial and non-financial data.
This can involve operational data, management reports, employee interviews, and real-time performance metrics, helping assess a company’s overall governance and controls.
Statutory Audit: Primarily rely on financial records such as accounting documents, bank statements, invoices, and third-party confirmations.
These are used to validate the accuracy of financial statements and ensure compliance with regulations.
14. Documentation Required
Internal Audit: Tailored to the organization’s needs and the complexity of the audit.
The working papers and internal reports help in tracking audit findings, procedures performed, and any action points or recommendations.
Statutory Audit: Requires comprehensive documentation as per auditing standards (e.g., SA 230).
This ensures that the audit process is transparent and the auditor can demonstrate compliance with auditing regulations, along with the basis for their conclusions.
15. Use of Technology & Tools
Internal Audit: Increasing use of advanced technology like data analytics, artificial intelligence (AI), automation, and governance risk management (GRC) platforms.
Done to streamline risk assessment and auditing processes.
Statutory Audit: Use audit software and data analytics tools, often focusing on financial data analysis.
The use of technology is critical to handle large volumes of financial data and complex transactions, though the adoption rate may vary by firm and client needs.
16. Public Disclosure Requirements
Internal Audit: The findings and reports of internal audits are generally confidential and shared only with management, the Audit Committee, or the Board.
They are not publicly disclosed.
Statutory Audit: Report is a public document that forms part of the company’s annual financial statements.
It is filed with the Registrar of Companies (RoC) and is accessible to stakeholders such as shareholders, creditors, and regulators.
17. Cost and Resource Allocation
Internal Audit: Considered an operational expense, and the resources (staff, technology, etc.) are allocated based on the company’s budget and the approved audit plan.
Internal audit teams may be scaled up or down based on the company’s needs.
Statutory Audit: Typically higher, as it is a mandatory compliance requirement.
The fees are negotiated with the auditor and approved by shareholders at the AGM. The resources required are defined by the statutory auditor to meet legal and regulatory requirements.
18. Audit Reporting
Internal Audit: Reports customized to suit different levels of management.
These reports include detailed findings, recommendations for improvement, and action plans. They are focused on improving processes and managing risks.
Statutory Audit: Produces a standardized report that expresses their opinion on whether the financial statements present a “true and fair view” of the company’s financial position.
The report is directed towards shareholders and regulatory bodies, following the required format.
19. Impact on Business Decisions
Internal Audit: Direct impact on business decisions. They provide actionable insights on operational inefficiencies, control weaknesses, and risks.
This helps management make informed decisions, improve processes, and enhance governance.
Statutory Audit: Indirect impact on business decisions.
By providing assurance on the credibility and accuracy of financial information, they help management, investors, and regulators rely on the company’s financial health for strategic decisions, capital raising, and investments.
20. Penalties for Non-compliance
Internal Audit: Not typically subject to legal penalties.
However, failing to establish an effective internal audit function where mandated (e.g., for listed companies) can lead to regulatory action, reputational damage, and increased operational risks.
Non-compliance may also raise red flags for investors.
Statutory Audit: Failure to conduct a statutory audit as per the Companies Act, 2013 has serious legal consequences.
Companies can face heavy fines, prosecution of directors, and disqualification.
Auditors themselves face disciplinary action, including fines, debarment, or even criminal charges for collusion or fraud.
Frequently Asked Questions
1. What is the main difference between statutory audit and internal audit?
A statutory audit is a legal requirement under the Companies Act, while an internal audit is mandatory in few scenarios and also can be conducted voluntarily by management to improve internal processes.
2. Can the same professional perform both internal and statutory audits?
No, the same person cannot perform both audits for the same company due to independence and conflict of interest rules. ICAI and Companies Act ensure strict separation of these roles.
3. What is the reporting authority for statutory vs internal audit?
Statutory auditors report to shareholders and regulatory bodies. Internal auditors report only to the company’s management or internal audit committee.
4. Is independence required for both types of audits?
Yes, but statutory auditors must be completely independent from the company. Internal auditors can be employees or consultants, so full independence isn’t always required.
5. Is there a difference in audit frequency?
Yes, statutory audits are done annually as per law. Internal audits can be conducted monthly, quarterly, or based on management’s needs.
