Auditing internal controls over financial reporting (ICFR)
ComplianceFebruary 05, 2025

Auditing internal controls over financial reporting (ICFR)

Internal control over financial reporting (ICFR) forms the backbone of an organization’s ability to produce accurate and reliable financial statements. For auditing professionals, understanding and evaluating ICFR is not just a regulatory requirement but a critical aspect of organizational safeguarding.

This article will explore key facets of ICFR, including its connection to SOX compliance, and how internal audit functions are pivotal to robust financial reporting processes. We will also explore common questions around ICFR while incorporating actionable insights for audit leaders.

In this article, we will explore the following subjects:

What is internal control over financial reporting (ICFR)?

ICFR refers to the processes and procedures designed to provide reasonable assurance regarding the reliability of financial reporting, the preparation of financial statements following a financial reporting framework, and the systems and technology used to support financial reporting decisions and booking of transactions.

ICFR controls are designed to reduce the risk of material misstatement and attain the following:

  • Transactions are recorded accurately and in a timely manner.
  • Unauthorized transactions or misstatements are prevented or detected.
  • Financial disclosures comply with regulatory requirements.

The Committee of Sponsoring Organizations of the Treadway Commission (COSO) Framework is the foundation for most ICFR implementations. Auditing professionals should use this framework as a guide in assessing the design and implementation of their organization’s control framework. 

COSO’s framework emphasizes five key components:

  1. Control environment: The organization’s ethical tone and governance structure.
  2. Risk assessment: Identifying and assessing risks to financial reporting.
  3. Control activities: Policies and procedures to address risks.
  4. Information and communication: Systems that ensure timely and accurate information sharing.
  5. Monitoring activities: Regular evaluations to maintain control effectiveness.

What is the difference between ICFR and SOX?

The Sarbanes-Oxley Act (SOX) of 2002 is a landmark regulation to improve corporate accountability. SOX compliance focuses on evaluating the effectiveness of ICFR in publicly traded companies, while ICFR refers to the system of controls over financial reporting,

Key differences include:

  • Scope: ICFR is a broader concept applicable to both public and private entities, whereas SOX compliance is mandatory only for publicly traded companies in the U.S.
  • Documentation requirements: SOX requires extensive documentation of ICFR processes to support management’s assessment of control effectiveness.
  • Reporting requirements: Under Section 404 of SOX, management must report on the effectiveness of ICFR, and external auditors must attest to this report.
  • Penalties: Non-compliance with SOX can result in severe penalties, including fines and criminal charges for executives.

SOX provides the regulatory framework to assess and certify ICFR’s effectiveness. While only public companies require SOX compliance, all organizations can benefit from internal control over financial reporting.

Is ICFR part of internal audit?

ICFR is intrinsically linked to the internal audit function. While management and those charged with governance are ultimately responsible for designing and maintaining ICFR, internal audit professionals provide independent assurance that these controls are effective. Here’s how internal audit intersects with ICFR:

  1. Risk assessment: Internal auditors evaluate financial reporting risks and identify related controls to test effectiveness. Typically, this will start with a materiality assessment to identify significant accounts and classes of transactions that could result in material misstatement.
  2. Control testing: Internal audit assesses whether key controls are designed and operating effectively. The controls will include entity-level controls impacting the entire organization, process controls, and IT controls over financial reporting.
  3. Documentation: Internal auditors maintain supporting documentation of their ICFR review of internal controls, its effectiveness, compliance with regulatory compliance and industry best practices.
  4. Continuous monitoring: Internal audit assists organizations in maintaining ICFR effectiveness through ongoing assessments and recommendations.
  5. Collaboration with external auditors: Building strong relationships with management and external auditors is crucial for auditing professionals to complete an ICFR audit successfully.  Many times, external auditors rely on the work done by the internal audit team during their ICFR evaluations. Collaboration among internal and external auditors is essential to the integrity of the financial reporting safeguards.  

Steps to conduct an ICFR audit

Auditing ICFR involves a structured approach to evaluate controls' design and operational effectiveness. Below are the key steps:

  1. Planning the ICFR audit - Conducting an ICFR audit involves a systematic and detailed approach to evaluating controls' design and operational effectiveness. The process begins with planning the audit, which requires gaining a thorough understanding of the organization’s business processes and financial reporting environment. Audit leaders should use a risk-based methodology to identify areas with the highest potential for material misstatements, ensuring that the audit scope focuses on significant accounts and key controls. During this phase, it is essential to communicate with stakeholders to align expectations and define objectives.
  2. ICFR audit documentation review - The next step is reviewing documentation. This involves evaluating existing records of processes, risks, and controls, ensuring these are comprehensive and current. Flowcharts, risk-control matrices, and process narratives are invaluable for mapping key controls and identifying potential gaps. The documentation must also align with the COSO Framework and SOX requirements to meet compliance standards.
  3. ICFR control testing - Auditors move to control testing once the documentation is reviewed. This phase of the ICFR audit includes assessing both the design and operational effectiveness of controls. Design effectiveness testing determines whether controls are appropriately structured to mitigate risks, while operational effectiveness testing verifies controls function as intended through sample testing. Walkthroughs are critical to this stage, as they validate the alignment between control activities and documented processes, providing additional assurance and identifying gaps in processes.
  4. Issue identification and remediation - The focus of the ICFR audit shifts to identifying and remediating issues following control testing. Any control deficiencies discovered during testing should be categorized based on their impact, with significant deficiencies and material weaknesses requiring immediate attention. Collaborating with management to develop remediation plans ensures that corrective actions address the root cause of deficiencies. After remediation, controls must be retested to confirm their effectiveness.
  5. Reporting - The audit concludes with a reporting phase, where the findings are summarized to assess the effectiveness of ICFR. The report on internal control over financial reporting should identify areas for improvement and offer actionable recommendations to enhance the control environment. This step meets regulatory requirements and provides valuable insights to management and stakeholders for strengthening financial reporting controls.

View a demo

How technology can facilitate an ICFR audit

Technology has revolutionized how organizations approach ICFR audits, providing tools that streamline processes and improve accuracy. Audit management software, for example, enables teams to centralize documentation, track control testing progress, and generate reports efficiently. Data analytics tools can identify anomalies and trends in financial transactions, helping auditors pinpoint areas of concern more quickly. Furthermore, robotic process automation (RPA) can automate repetitive tasks like sampling and evidence collection, freeing auditors to focus on higher-value activities. By leveraging these technological advancements, auditing professionals can enhance the effectiveness and efficiency of ICFR audits while ensuring compliance with regulatory requirements.

Addressing the most common ICFR challenges

The most common issues in a report on internal control over financial reporting tend to fall into one of the following categories:

  1. Lack of documentation - Inadequate documentation of controls and processes is a frequent issue. Without proper documentation, it becomes difficult to assess control design or operational effectiveness. Audit leaders should work closely with management to ensure that documentation is consistently updated, comprehensive, and aligned with regulatory expectations. Tools like flowcharts and control matrices can help visualize processes and pinpoint gaps.
  2. Evolving risks - Business environments constantly change, introducing new risks such as evolving accounting standards, technological innovations, and cybersecurity threats. Regular risk assessments are essential to identify these shifts and adjust ICFR processes accordingly. Staying proactive rather than reactive ensures that controls remain relevant and robust.
  3. Coordination between teams - Collaboration between internal audit, management, and external auditors can often lead to misunderstandings or redundant efforts. Establishing clear communication channels, defining roles, and maintaining consistent workflows across teams can significantly improve the ICFR audit process. Additionally, using collaborative platforms can streamline information sharing.
  4. Overreliance on manual controls - Manual controls are prone to human error and inefficiency, especially in high-volume transactions. Organizations should prioritize automation where feasible, integrating tools like automated reconciliation systems and workflow software. Automation reduces error rates and allows auditors to allocate more time to strategic evaluations.
  5. Managing control deficiencies - Identifying, classifying, and remediating control deficiencies requires careful judgment. Audit teams must distinguish between significant deficiencies and material weaknesses, ensuring consistency with COSO’s guidance. Collaboration with management to develop targeted remediation plans, including the review of implementation efforts, follow-up on implementation, followed by thorough retesting, ensures that deficiencies are effectively addressed.

Best practices for ICFR audits

To conduct an effective ICFR audit, audit professionals should adopt best practices to ensure the audit team has the resources they need to conduct the work effectively and efficiently. First, auditing professionals should leverage technology such as audit management software and analytics tools to streamline documentation, testing, and reporting. Keeping audit teams updated with continuous training ensures they stay informed on changes in accounting standards, regulatory requirements, and emerging risks. Adopting a risk-based approach allows resources to focus on high-risk areas, maximizing efficiency and effectiveness. Early engagement with external auditors fosters alignment and reduces the risk of duplicated efforts. Encouraging a culture of accountability motivates management to view ICFR as a critical, value-adding activity rather than a mere compliance requirement. Continuous communication and collaboration across departments also strengthens the overall control environment and ensures sustained ICFR effectiveness.

The future of ICFR auditing

As technology continues to evolve, ICFR auditing is becoming increasingly sophisticated. Artificial intelligence (AI) and machine learning are transforming risk assessment by enhancing anomaly detection and identifying previously undetectable patterns through traditional methods. Real-time monitoring enables organizations to track control activities continuously, replacing periodic reviews with a dynamic approach to oversight. Integrating ICFR into enterprise risk management (ERM) frameworks creates a more cohesive view of organizational risks, aligning ICFR efforts with broader strategic objectives. With the growing importance of cybersecurity, ICFR audits are expanding to incorporate IT general controls (ITGCs), addressing risks related to data breaches, system access, and information security. Additionally, blockchain technology is emerging as a potential game-changer, offering enhanced transparency and traceability in financial transactions. As these innovations reshape the auditing landscape, auditing professionals must stay informed and adapt their methodologies to maintain relevance and effectiveness.

Conclusion

ICFR is more than just a regulatory obligation—it’s a critical element of sound governance and financial integrity. By leveraging frameworks like COSO, aligning with SOX requirements, and adopting best practices, internal audit functions can add significant value to their organizations.

Whatever role you play in your organization’s ICFR program, understanding the nuances of ICFR audits empowers you to drive effective risk management and instill confidence in financial reporting. As the economic landscape evolves, staying proactive and innovative in your approach to ICFR will ensure your organization remains resilient and compliant.

Subscribe below to receive monthly Expert Insights in your inbox

For auditors who are challenged to improve audit productivity while delivering strategic insights, TeamMate provides expert solutions, delivered with premium professional services, to auditors around the globe and in every industry.
Back To Top