Doane Grant Thornton is a leading Canadian accounting and business advisory firm, providing assurance, tax and advisory services to privately held businesses, publicly listed companies and public-sector organisations. Together with Raymond Chabot Grant Thornton, we are the Canadian member firms of Grant Thornton International Ltd. We help dynamic organizations unlock their potential for growth by providing meaningful, actionable advice through a broad range of services and tailored support. We're committed to being proactive and responsive in serving our clients and go beyond what’s expected to deliver value.
Kevin Ladner

We're passionate about the success of our clients and our firm. We offer a different kind of client experience—a personalized approach that goes beyond the expected—and truly care about our clients’ success and growth.

Kevin Ladner, Executive Partner and Chief Executive Officer
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People
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Offices
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Partners
What We Do
At Doane Grant Thornton, we do more than just business. We build lasting relationships and contribute to thriving communities. As part of a global network, our purpose is anchored in a deep commitment to the people we support.

Awards

Doane Grant Thornton is an award-winning globally recognised professional services network.
Recognised as one of Canada's best workplaces
Universum Most Attractive Employers 2020
Universum Most Attractive Employers 2020
Universum Top 50 Employer for Diversity & Inclusion 2019
Universum Top 50 Employer for Diversity & Inclusion 2019
Grant Cuylle
Get in touch

Grant Cuylle

Partner and IBC Director

Contact Grant

    Purpose-driven

    Doane Grant Thornton is proud to support your business through every stage of its journey. Whether navigating complex challenges or seizing new opportunities, we bring local insight, national strength, and global reach to help our clients grow, transition, and thrive with confidence.

    Why Doane Grant Thornton

    We’re committed to helping our clients, colleagues, and communities thrive. We deliver an exceptional client experience—built on deep relationships, responsive service, and a genuine understanding of what matters most. Our approach is personal, proactive, and always grounded in integrity, ensuring that every interaction adds value and builds trust.  

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    Helping you create your legacy

    Clients

    As a purpose-driven Firm, we celebrate our legacy through our impact and contributions to our clients, colleagues, and communities. We’re not only committed to your success—we’re also dedicated to helping you create your legacy.

    27 Feb 2025