Audit Watchdog Flags 'Significant' Problems in Big Four's Work in Review that Actually Names Names

Why It Matters

The findings expose ongoing audit quality gaps at firms that audit most Canadian public companies, raising concerns for investors and regulators about the reliability of financial statements.

Key Takeaways

• All Big Four firms received at least one significant finding.
• KPMG had 5 issues, 20% of its sample.
• Revenue and business combinations were most common problem areas.
• CPAB now names firms to increase audit transparency.
• Firms have 180 days to address regulator’s recommendations.

Pulse Analysis

The Canadian Public Accountability Board’s decision to publish firm‑specific results marks a watershed moment for audit oversight in Canada. By moving beyond aggregate statistics, CPAB is pushing the industry toward greater accountability, forcing the Big Four to confront weaknesses that could undermine stakeholder confidence. This heightened transparency aligns with global trends where regulators demand clearer evidence of audit quality, especially for complex, high‑risk engagements.

The 2025 inspection revealed that 16% of the sampled files contained significant findings, a rise from the previous year’s 12% and a level consistent with 2023. Revenue recognition and business‑combination audits were the most frequent trouble spots, reflecting the inherent difficulty of assessing judgment‑laden estimates. For investors, these deficiencies translate into heightened risk of misstated earnings or asset values, potentially affecting market valuations and credit assessments. The pattern also signals that even the most established firms struggle to keep pace with evolving accounting standards and sophisticated client operations.

In response, Deloitte, EY, KPMG and PwC have each outlined remediation plans, emphasizing training upgrades, policy revisions and, notably, the integration of AI tools to streamline audit procedures. The 180‑day remediation window gives regulators a clear timeline to evaluate corrective actions, while public disclosure of these steps reinforces market discipline. As the Big Four invest in technology and quality‑management systems, the sector may see a gradual reduction in significant findings, but sustained regulatory scrutiny will remain a critical driver of audit excellence in Canada.