Find your future with Tonneson+Co

We are passionate about building the future model of business.
Join our team by applying to an open position

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

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
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
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

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.