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Deeth & Co. LLP is a mid-sized public accounting firm serving clients all over Canada with physical offices located in Mississauga and Burlington. We have been serving individuals and businesses since 1961, offering them a full range of accounting, auditing, tax, consulting and financial services.

We love our jobs. We hope you do too.

Reviews (5)

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Shea Bohi

The best


Sean Felker

Want an accountant that makes life easier? Reach out to Bill and eliminate the stress of year end tax filings.


Andrea Grebenc

Been working with Bill for a few years after someone recommended him to me. He translates the financial jargon and put my tax anxiety to rest. He is amazing!


Jetty Ly

If you would like an accountant that does it RIGHT the first time - go to Bill! I recommend all our contractors and I myself go to Bill. Thanks for always looking after your clients and keeping us calm when the government comes knocking on our door. In the last 4 years that I've used Bill - I've never had any issues and he really does ease the pain of TAXES. I HIGHLY RECOMMEND BILL! More...


Paul Jordan

Bill is a great accountant. I have worked with a few in the past but he actually tries to do what's best for you and your business. He learned my business to help us make better decisions. Five star easily! More...

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