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Mario Testa



Mr. Testa founded Tax Management Services Inc. in 1996. With  30 years’ experience in the sales tax field Mr. Testa was an auditor with the Ontario Ministry of Finance, Retail Sales Tax Branch. At the RST Branch he managed major audits of large financial institutions, government agencies and crown corporations, as well as major private sector corporations. Under his leadership the TMS team has recovered millions of dollars for TMS clients and negotiated large sales tax compliance issues on behalf of our clients. Additionally, Mr. Testa has initiated many successful litigations at both federal and provincial levels.


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