Michael O'Leary CPA

Professional Corporation

Did You Know?

The term "accountant" is unregulated in the Province of Ontario. Anyone can call him or herself an accountant, even with no formal training. To ensure that your accountant is fully trained and qualified to service your needs, engage only a  designated Chartered Professional Accountant.

About Our Firm

Michael O'Leary is a Chartered Professional Accountant, with a degree in accounting from the University of Calgary and a background as Corporate Controller for a multinational corporation. Michael went on to start his public accounting practice in the year 2000 providing a strong business perspective in addition to accounting and tax solutions to a wide range of clients.

Our staff members are selected for their education and experience, as well as their commitment to provide the highest level of proactive client service.

Our Team

Michael O'Leary, CPA, CGA, BAccS
Chartered Professional Accountant

Sara Rank, CPB
Staff Accountant

Katelynn Bolger, CPA, BComm (Hon)
Chartered Professional Accountant

Kassandra Poirier






Our Vision

Our vision is to provide businesses and individuals with the information and support necessary to achieve their goals. Your success is our success.

Our Mission

We invest our time to fully understand your business and your needs. We work with you to customize a service package that will provide you with cost-effective solutions helping you to navigate your company through today's complex business environment. We will ensure that you, as a client, have the information and support necessary to make informed business decisions.

Michael O'Leary CPA Professional Corporation provides experienced accounting services to the Newmarket, Aurora, Keswick, Bradford, Richmond Hill and surrounding Greater Toronto Area (GTA). You can rely on our professional team, which includes a Chartered Professional Accountant and certified bookkeepers, to be available for your calls or emails. Our commitment is unsurpassed in providing the highest level of proactive client service.


Book your free consultation today and give us the opportunity to understand your financial needs and provide effective advice.

Call us at (905) 898-3320 or complete our online form. We'd love to chat and see how we can help with your success.