Discover Your Impact
You know those big cities that still feel like small towns? Where everyone’s friendly and helps each other out? That’s like Doane Grant Thornton. Except here we’re all professionals and there isn’t a mayor or a general store. What we’re trying to say is that we’re a large and growing professional services firm that still feels like a community. We employ over 3000 people across Canada, and we truly care about our colleagues, our clients and the communities where we work and live. That’s what’s most important to us. We’re building a thriving organization that’s purpose driven and still want to remember what your favourite milkshake flavour is.
Discover what success feels like here
If you’re a bit like us, you’re driven to connect with how others are feeling and thinking. Here we walk in others shoes before taking action. Just imagine being part of a team that puts “we before me”, where flexAbility is a mindset, and where you trust your colleagues to have your back. At Doane Grant Thornton, you’ll work with inspiring leaders who support your development, both personally and professionally. This is a place where your insatiable curiosity enables you to think, see and hear from a variety of perspectives, a place where every day is different and having the courage to grow is part of who you are. And when all this comes together, well that’s when the magic happens!
Discover your voice within an award-winning culture
Doane Grant Thornton has been recognized by the Great Place To Work Institute for 19 years in a row as one of Canada’s best workplaces We were also recognized as a Great Place to Work in 2025 for Young Talent. This is your opportunity to experience what our culture is like for yourself!
We believe flexibility in our way of working is essential to creating a culture and environment that enables our firm to achieve our Purpose to help our clients, colleagues and communities thrive.
Discover Your Best Self
Imagine working for an organization that believes in the power of authenticity in everything that we do. Whether you’re working on a client file, lobster fishing in Nova Scotia or rock-climbing in the Rockies we want you to bring your whole self to work.
You’ll be a part of a team where leadership is shared, and your colleagues at all levels are fiercely committed to your development. As part of a global organization, with offices in more than 130 countries and across Canada, you’ll have opportunities to connect and learn globally.
A Co-op position in US Corporate Tax with Doane Grant Thornton will provide you an opportunity to:
- Work with a team of professionals who assist individuals and businesses with a wide range of tax services
- Be part of a unique work culture that challenges you to further your professional development and enhance your chosen career path
- Be part of a fast growing environment with well respected professionals who are locally renowned in their respective field
- Develop solutions with clients and co-workers through collaborative debate and discussion
As a Co-op, US Corporate Tax [Fall 2026] your responsibilities will include:
- Preparing US tax returns for individuals and partnerships
- File and workpaper preparation
- Researching tax queries for clients, Partners, Senior Managers, and Managers.
- Ensuring compliance with Internal Revenue Service standards
- Analyzing financial statements for tax implications
- Continue building our reputation as the preferred business advisors in our market place
Think you’ve got what it takes to be a Co-op, US Corporate Tax [Fall 2026]? Like the colour purple? Great. Here's a few more boxes we’re also hoping you can tick:
- You are currently pursuing your post-secondary degree and have demonstrated academic excellence
Join our team!
To become a member of one of the most dynamic firms in Canada, please submit:
- Your resume
- Cover letter
- A copy of your most recent transcripts
At Doane Grant Thornton we’re focused on making a difference in the lives of our clients, our colleagues and our communities. That’s our purpose. Or, as we like to say, living our purple.
At Doane Grant Thornton, we believe compensation should reflect more than just market data—it should reflect you. We’re serious about compensation. We benchmark regularly across a wide spectrum of roles, industries, sectors, and levels to ensure our ranges are both competitive and current. But we don’t stop there. We also consider the unique strengths, experiences, and impact each individual brings to the table. Our salary ranges are reviewed annually, and where you land within the range depends on a mix of factors—your background, your skills, and how your contributions align with internal equity. To help start the conversation, the current salary range for this role is $55,000–$59,000 in Mississauga. If the role is available in other locations, the range may differ to reflect local market factors.
Our special culture shines through when we have the opportunity to connect in person. That’s why we’re working in a model where teams are required to be together in the office 4 days per week.
Are you ready to Discover Your Purple?
If you are selected to move forward in the recruiting process the first step will be for you to complete a digital interview through HireVue. Digital interviewing is a modern way to interview which sets a level playing field for all candidates. Simply record your answers to pre-set interview questions from Doane Grant Thornton LLP using your computer and webcam, or your mobile device.
We are committed to electronically confirming with all applicants when an application has been received and to electronically notify all applicants when positions they have applied to have been filled.
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