The Office of the Auditor General of Ontario is an independent office of the Legislative Assembly that conducts value-for-money and financial audits of the provincial government, its ministries and agencies. We also audit organizations in the broader public sector that receive provincial funding, such as hospitals and long-term-care homes, universities and colleges, and school boards. In 2019, our mandate was expanded to include reporting on the operation of the Environmental Bill of Rights, 1993, including reviews of any environmental matters our Office considers appropriate. Our work helps ensure that taxpayers receive value for their tax dollars.

Bonnie Lysyk (MBA, FCPA, FCA, LPA) is the Auditor General.


Welcome to our new colleagues from the former Office of the Environmental Commissioner (ECO).

As of April 1, 2019, the ECO became part of our Office. This change occurred under Schedule 15 of the Restoring Trust, Transparency and Accountability Act, 2018.

See answers to frequently asked questions regarding this change. Visit the ECO’s archived website to access reports and other publications issued by it up to March 31, 2019.

For more about our environmental work, visit What We Do.

What’s New

Office of the Auditor General Ready for Expanded Environmental Responsibilities—April 1, 2019

Auditor General Prepares for Expanded Environmental Responsibilities—March 15, 2019

FAQs – Integrating the Work of the Environmental Commissioner into the Auditor General’s Office—March 12, 2019


2018 Annual Report Volume 1 Auditor General releases the 2018 Annual Report—December 5, 2018 2018 Annual Report Volume 2

2018 Annual Report
2018 Annual Report News Releases and Summaries






Special Audit of the Niagara Peninsul;a Conservation Authority Special Audit of the Niagara Peninsula Conservation Authority—September 27, 2018

Report (5.1Mb)
News Release


Statement from the Auditor General of Ontario—September 21, 2018


Review of the 2018 Pre-Election Report on Ontario's Finances Review of the 2018 Pre-Election Report on Ontario’s Finances—April 25, 2018

Report (3.2Mb)
News Release




Collaborative Climate Change Report Released—March 27, 2018

News Release


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