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Life at Tonneson + Co

At Tonneson + Co, we look for the best, brightest, most passionate people to power our vision and help move our clients forward. Come bring your authentic self to an environment rooted in collaboration, connection, development, and growth. We’re looking for people who value relationships and are excited about helping our clients thrive. If that’s you, apply for one of our open positions today!

Our client’s confidence in us comes from our team of smart, dedicated professionals. We serve our clients with expert advice, of course, but our commitment doesn’t stop there. We also focus on building relationships with our clients, and with each other, that contribute to a climate of trust, accountability, and community for all.

See Our Open Positions

tonnesonandco

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CPA and business advisory eirmlndependently owned. Employee driven. Client focused

We’re thrilled to welcome Megan Roberts, CPA to the Tonneson team! As a Tax Manager with six years of experience specializing in private equity, credit, partnerships, and corporate taxation, Megan brings exceptional expertise to our firm. We’re excited to see the impact she will make as she supports our clients with her specialized knowledge and commitment to excellence. Welcome to the team, Megan!

#ThisIsTonneson

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We’re thrilled to welcome Megan Roberts, CPA to the Tonneson team! As a Tax Manager with six years of experience specializing in private equity, credit, partnerships, and corporate taxation, Megan brings exceptional expertise to our firm. We’re excited to see the impact she will make as she supports our clients with her specialized knowledge and commitment to excellence. Welcome to the team, Megan! #ThisIsTonneson

Happy Mother`s Day from all of us at Tonneson + Co!

Today, we celebrate the extraordinary women who nurture, inspire, and love endlessly.

#MothersDay #ThisIsTonneson

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Happy Mother's Day from all of us at Tonneson + Co! Today, we celebrate the extraordinary women who nurture, inspire, and love endlessly. #MothersDay #ThisIsTonneson

We had an incredible time at the @masscpas Connect Event, celebrating 125 years of the society! It was an honor to attend and sponsor this fantastic celebration. We were especially thrilled to recognize our 2025 scholarship recipient, Litzi Loja, and toast to her bright future.

#MassCPAsConnect2025Event #ThisIsTonneson

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We had an incredible time at the @masscpas Connect Event, celebrating 125 years of the society! It was an honor to attend and sponsor this fantastic celebration. We were especially thrilled to recognize our 2025 scholarship recipient, Litzi Loja, and toast to her bright future. #MassCPAsConnect2025Event #ThisIsTonneson

This week, members of the Tonneson + Co team joined the @masscpas at @topgolf for an evening of networking, friendly competition, and well-earned fun after a busy tax season!

#MassCPAs #ThisIsTonneson

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This week, members of the Tonneson + Co team joined the @masscpas at @topgolf for an evening of networking, friendly competition, and well-earned fun after a busy tax season! #MassCPAs #ThisIsTonneson

Well-being looks different across cultures. This May, in honor of both AAPI Heritage Month and Mental Health Awareness Month, we’re spotlighting traditional mental health and wellness practices from AAPI cultures.

#AAPI Heritage Month #MentalHealthAwarenessMonth #ThisIsTonneson

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Well-being looks different across cultures. This May, in honor of both AAPI Heritage Month and Mental Health Awareness Month, we’re spotlighting traditional mental health and wellness practices from AAPI cultures. #AAPI Heritage Month #MentalHealthAwarenessMonth #ThisIsTonneson

To celebrate Administrative Professionals` Day, we took our wonderful admin team out for lunch! 🍽

Thank you all for your hard work, we are grateful for all that you do! 💗

#ThisisTonneson #AdminProfessionalsDay #OfficeHeroes

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To celebrate Administrative Professionals' Day, we took our wonderful admin team out for lunch! 🍽 Thank you all for your hard work, we are grateful for all that you do! 💗 #ThisisTonneson #AdminProfessionalsDay #OfficeHeroes

Happy Earth Day from the team at Tonneson + Co! Let`s all do our part to protect the environment and all the beautiful places in it. 🌿🌍

#EarthDay #ThisIsTonneson

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Happy Earth Day from the team at Tonneson + Co! Let's all do our part to protect the environment and all the beautiful places in it. 🌿🌍 #EarthDay #ThisIsTonneson

Happy Easter & Orthodox Easter from all of us at Tonneson + Co! Wishing you a joyful holiday with your loved ones! 🌷🐰✨

#HappyEaster #OrthodoxEaster #ThisIsTonneson

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Happy Easter & Orthodox Easter from all of us at Tonneson + Co! Wishing you a joyful holiday with your loved ones! 🌷🐰✨ #HappyEaster #OrthodoxEaster #ThisIsTonneson

⭐️ INTERN TAKEOVER ⭐️

See what a “Week in the Life” of an Intern at Tonneson + Co is like with Audit Intern, Matthew Westhaver!

Curious about what it’s like to intern at a firm where your work actually matters? At Tonneson, our interns dive into real client projects, build valuable skills, and make an impact from day one. Ready to take the first step? Visit our website and apply now.

#InternTakeover #ThisIsTonneson

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⭐️ INTERN TAKEOVER ⭐️ See what a “Week in the Life” of an Intern at Tonneson + Co is like with Audit Intern, Matthew Westhaver! Curious about what it’s like to intern at a firm where your work actually matters? At Tonneson, our interns dive into real client projects, build valuable skills, and make an impact from day one. Ready to take the first step? Visit our website and apply now. #InternTakeover #ThisIsTonneson

Lifelong relationships

For us it’s not just about the work we do; it’s about the people we work with. The genuine care and support we have for each other extend beyond the workplace, creating lifelong relationships and unforgettable memories with genuinely kind people. The relationships I’ve formed here are invaluable.

— Ann Jarrett-Johnson | Firm Accountant

Flexibility

The flexibility provided by Tonneson has been a game-changer for me. Whether it’s flexible hours, remote work options, or accommodating personal commitments, the company’s willingness to adapt and support my needs has made it easier to manage both my professional and personal responsibilities.

— Kyle Martin | Audit Manager

Building strong relationships

Working at Tonneson has taught me the incredible power of teamwork and the value of building strong relationships. The constant encouragement and support I receive from my colleagues fuel my motivation and make work a truly enjoyable experience.

— Jacklynn Larson | Tax Associate

Supportive and inclusive culture

At Tonneson, I have experienced a supportive and inclusive culture that values the contributions and well-being of its employees. This creates a sense of belonging and motivates me to give and be my best every day. 

— Jadie Phan | Tax Senior Associate

Join Our Team

Join Our team! Browse our current positions.

See Our Open Positions