Value proposition

Independently owned. Employee driven. Client focused. ®

Tonneson + Co: Independently owned. Employee driven. Client focused.®

Tonneson + Co is a certified public accounting and consulting firm headquartered in Wakefield, Massachusetts. We provide accounting, tax, auditing and business advisory services that address the local, domestic, and international needs of our clients.

Tonneson + Co was named a 2024 Best Accounting Firm to Work For. In 2021, Tonneson + Co was named the Number One Best Firm for Women in the U.S. by Accounting Today. Our firm was ranked the Number Three Mid-Sized Accounting Firm to Work For in 2021 by Accounting Today. Tonneson + Co was also named to Best Accounting Firms to Work For lists in 2023, 2022, 2021 2020, 2019, 2018 and 2016.

Here are just a few reasons why exceptional individuals have chosen to pursue their accounting careers at Tonneson + Co:

• Employee-empowered firm
• Inclusive environment where everyone belongs
• Flex time and work from home opportunities
• Paid time off to study for the CPA exam
• Tuition reimbursement for advanced degrees
• Fun outings and team-building activities

Tonneson + Co is committed to work-life balance. We give our employees a great degree of flexibility and support them with cloud-based technology that makes it possible to work remotely. We also frequently host social events, including virtual games and gatherings, women’s events, scavenger hunts, and lunch and learn sessions.

Tonneson + Co has a strong commitment to diversity, equity and inclusion, which is a core value of our firm. Our Diversity, Equity and Inclusion Committee focuses on empowering staff to improve awareness of DEI within and outside the company.

When we say that we are “employee driven,” we mean it. We frequently ask for feedback from our employees, ensuring that every employee’s voice matters and is heard. The input that we get from employees through venues such as surveys, town hall meetings, and small group feedback sessions helps to shape the future of our firm.


Audit & Assurance Services, Manufacturing, Accounting Services, Distribution & Warehousing, Plus + Services, Not For Profit, Global Services, Mergers & Acquisitions, Advisory Services, Professional Services Firms, Tax Services, Privately Held, and Beverage Industry