Findings report – Top 100 income tax and GST assurance programs

See what our findings report for the Top 100 assurance program for income tax and GST assurance reviews covers.

A summary of observations around assurance ratings for income tax and GST for 2026 and what the Top 100 report covers.

How we engage with the top 100 population through the ATO justified trust program.

Check our Top 100 income tax assurance program ratings and observations.

Observations from our tailored engagement approach for top 100 taxpayers who attain overall high assurance.

Learn the Top 100 GST assurance program ratings and observations.

Data tables supporting the overall assurance ratings for the Top 100 income tax and GST assurance programs.