The top three most common Audit Shield claim categories compiled by the Accountancy Insurance claims team for the period 1 January 2025 to 31 December 2025 were:
- Processing Reviews of T1’s
- Area Specific Audits of T2’s
- GST/HST/PST/QST Reviews of Businesses (Pre and Post Assessment Reviews)
The below pie chart shows the distribution of Audit Shield claims activity in Canada*.

*Were correct as of 1 January 2026.