Office of the City Auditor

Call 905-546-2424 ext. 2257
[email protected]
Fax: 905-546-2573
Located at:
50 Main Street East, 3rd Floor
Hamilton, Ontario
L8N 1E9

Reporting Fraud & Waste
The Fraud and Waste Hotline provides City of Hamilton employees, contractors, vendors, and members of the public a convenient, confidential, and anonymous way to report suspicion or proof of wrongdoing.
The Office of the City Auditor (OCA) provides independent, objective assurance and consulting services designed to add value and improve the City of Hamilton’s operations.
The OCA brings a systematic, disciplined approach to evaluating and improving the effectiveness of risk management, control and governance processes.
City Auditor Appointed by By-Law as an Auditor General
The City Auditor has been appointed by By-law 19-180 as an Auditor General under Section 223.19 of the Ontario Municipal Act, 2001, with the responsibilities, including the powers, duties and protections, under Sections 223.19 to 223.23 of the Ontario Municipal Act, 2001. These responsibilities apply to the extent authorized by Sections 223.19 to 223.23 of the Ontario Municipal Act, 2001.
The added powers and protections provided to the City Auditor (by appointment as an Auditor General) strengthens the position of independence and institutional security of the City Auditor while providing information to Council for its oversight role.
In the capacity of Auditor General, the City Auditor assists City Council in holding itself and its administrators accountable for the quality of stewardship over public funds and for the achievement of value-for-money in City operations.
Learn about the Charter of the Office of the City Auditor - approved by Council September 11, 2019
Our staff
Charles Brown, CPA, CA
City Auditor/Auditor General
Brigitte Minard, CPA, CA, CIA, CGAP, HBA
Deputy City Auditor
Lyn Guo, MBA, CMA (US), CIA
Senior Auditor
Jacqui De Jesus, CPA
Senior Auditor
Nancy Hu, CFE, CIA
Senior Auditor
Cindy Purnomo Stuive
Audit Coordinator