Erin Lalonde, CPA, CA

Erin Lalonde

Erin Lalonde , CPA, CA

Partner and Business Advisor

Erin is a Business Advisor with MNP in Cornwall and the firm’s Regional Real Estate and Construction Lead for Eastern Ontario. With close to two decades of experience, Erin works with owner-managed businesses in a variety of industries. Understanding that every situation is unique, she gets to know her clients in order to develop detailed plans customized to their business needs. She ensures that clients understand their financial information and how that information impacts their business, and develops plans to help them maximize their profits, minimize taxes, and achieve their financial goals. As the firm’s Regional Real Estate and Construction Lead for Eastern Ontario, Erin guides her team while providing specialized solutions for clients based on current industry trends.

Erin helps owner-managers in many industries, including investments, real estate, construction, dealerships (both automobile and recreational vehicles), and professionals. She also works with municipalities, public sector organizations, and not-for-profit organizations.

Erin’s services include personal and estate tax planning, conducting review engagements and compilations, preparing financial statements, and undertaking corporate tax planning, including planning for reorganizations and succession. Her clients appreciate her in-depth knowledge of both corporate and personal tax, which allows her to help them with complex tax situations such as compensation, investments, foreign income, and residency issues.

In 2007, Erin earned an Honours Bachelor of Commerce (BComm) in accounting and finance from Queen’s University. She is a Chartered Professional Accountant (CPA), qualifying as a Chartered Accountant (CA) in 2010. Committed to continuous improvement, Erin has completed CPA Canada’s In-depth Tax Program as well as Advanced Tax Issues for the Owner-Managed Business course.

Erin is active in the Cornwall community, serving as director of the board and finance committee chair for Saint Joseph Continuing Care Centre for nearly a decade. She has also served as treasurer for Women Entrepreneurs of Cornwall and Area.


Contact Erin Today

This field is required.

This field is required.

Phone or Email field is required.

Please enter a valid email.

Phone or Email field is required.

Please enter a valid phone number.

This field is required.

This field is required.

 

reCaptcha Validation Failed. Please try again!

Please complete the highlighted fields.

Insights

  • Agility

    October 07, 2025

    The human edge Skills that will never be automated

    Technology is getting faster and smarter. And it begs the question: where do humans have the edge?

  • Confidence

    October 07, 2025

    Canadian debt market: Key trends and insights

    What key trends are emerging in Canadian debt and capital markets? Gain insights into the current state, emerging trends, and strategic outlook in MNP’s Q3 2025 report.

  • October 01, 2025

    Is your organization ready for post-quantum encryption? A strategic guide to future-proofing your data security

    Quantum computing threatens today’s encryption. Discover what post-quantum encryption is, why it matters now, and how organizations can prepare.