MAC LLP was founded in 1990 with one goal in mind:  to build strong relationships with clients while servicing their accounting and financial needs.

With over 30 years of disciplined leadership in the industry, MAC LLP continues to provide exceptional accounting expertise and financial guidance through our team of highly capable and skilled professionals.  With offices in Waterloo and Elmira, we can effectively serve clients across Central and South-Western Ontario.


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Partnering with Individuals and Families

Our taxation services specialists are prepared to assist through every step in the process of successfully filing all tax-related documents, sparing you the stress of managing your taxes and ensuring you receive the best return possible.

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Partnering with Owner-Managed Businesses

From corporate taxation services to accounting and auditing, MAC LLP is prepared to help your business succeed financially. We also provide comprehensive business advisory services, assisting your company in successfully executing an effective business plan.

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Partnering with Non-Profit and Charitable Organizations

Since our inception in 1990, MAC LLP has remained committed to serving the non-profit sector. Our team has extensive experience with charitable organizations, both in financial support and personal involvement. Our focused expertise in the non-profit field allows us to help your organization succeed.