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.

tonnesonandco
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CPA and business advisory eirmlndependently owned. Employee driven. Client focused
We`re excited to announce the combination of Tonneson and @PlanteMoran! This marks a major milestone in our growth—uniting two firms with shared values, complementary strengths, and a passion for helping clients succeed.

The Tonneson + Co team enjoyed a great day of golf and networking at Sandy Burr Country Club in Wayland for the 24th Annual MassCPAs Women’s Golf Outing. We were also proud to support the event as a tee sponsor this year!
#ThisIsTonneson #MassCPAs

Our team had a fantastic evening at the Boston Estate Planning Council 2025 Annual Gala! The event honored the recipients of the 2025 Excellence Award and the 2025 President’s Award, while also celebrating the transition of leadership within the BEPC. It was a wonderful opportunity to connect with peers, celebrate achievements, and engage with the estate planning community.
#BEPC2025Gala #ThisIsTonneson

We were proud to be a silver sponsor again at this year`s @bostonchamber_ 2025 Accelerating Growth Annual Meeting! We were especially honored to witness the induction of the 2025 honorees into the Academy of Distinguished Bostonians.
#GBCCAnnualMeeting #ThisIsTonneson

After completing their internships with us, Ava Epstein (Marketing) and Jane Hall (Audit/Tax/Admin), presented on what they learned during their time at Tonneson + Co! We’re excited to see all they achieve as they head off to college and pursue their careers.
#Internships #ThisIsTonneson

This Memorial Day, we pause to honor the heroes who gave everything for our freedom.
From all of us at Tonneson + Co, thank you to those who served and to the families who carry their legacy forward.
#MemorialDay #ThisIsTonneson

Tonneson + Co had a fantastic time at the Boston Estate Planning Council Bingo Night at City Tap House. Our team enjoyed an evening of great food, drinks, networking, and musical bingo, and we even walked away with a couple of prizes!
#ThisIsTonneson

The Tonneson + Co marketing team had an amazing time at the @aam_hq Summit 2025 in Phoenix, AZ! They dove into marketing and business development strategies tailored for the accounting industry, covering everything from AI in marketing to the latest digital trends. The team also connected with industry peers, exchanged ideas, and brought back valuable insights to elevate our marketing efforts.
A special shoutout to Tonneson + Co`s Marketing Manager, Logan Luongo, who served as this year’s AAM Summit Marketing Chair.
#AAMSummit2025 #ThisIsTonneson

Our team had a fantastic time at the 5th Annual @wakefieldareachamber Bowling Ball last week! 🎳 We’re proud to share that the Tonneson crew bowled their way to a 2nd place finish. A wonderful evening of fun, friendly competition, and connection.
#ThisIsTonneson

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