tonneson + co Employee Directory

Q: What is tonneson + co known for?

tonneson + co was founded in 1975. tonneson + co operates in the Accounting industry.

Q: How many employees does tonneson + co have currently?

tonneson + co has approximately 51 employees.

AccountingMassachusetts, United States51-200 Employees

Tonneson + Co is now part of Plante Moran.

As of July 1, 2025, Tonneson + Co has officially joined Plante Moran, one of the nation’s largest accounting, tax, consulting, and wealth management firms. With shared values, a people-first culture, and a commitment to exceptional client service, this combination expands our capabilities and reach — while continuing to serve clients with the same trusted team.

Find tonneson + co employees' phone numbers or email addresses

tonneson + co Global Highlights

North America
85

United States Of America
85

Asia
1

Pakistan
1

tonneson + co's Leadership

R. E. M.
Chief Executive Officer
Mobile Phone
Email
D. T.
Managing Partner
Mobile Phone
Email
J. G.
Director
Mobile Phone
Email
C. B.
Director
Mobile Phone
Email
J. F.
Managing Director
Mobile Phone
Email
M. M.
Managing Director
Mobile Phone
Email
K. C. B.
Director
Mobile Phone
Email
K. F.
Tax Director
Mobile Phone
Email

Contact profiles from tonneson + co

Name

Title

Contact Info

Location

Last Update

R. E. M.
Chief Executive Officer
Mobile Phone
Email
United StatesMassachusetts
Jul 17, 2025
D. T.
Managing Partner
Mobile Phone
Email
Sep 08, 2025
J. G.
Director
Mobile Phone
Email
United StatesMassachusetts
Oct 18, 2025
C. B.
Director
Mobile Phone
Email
United StatesNew Hampshire
May 28, 2025
J. F.
Managing Director
Mobile Phone
Email
United StatesMaryland
Oct 21, 2025
M. M.
Managing Director
Mobile Phone
Email
United StatesMassachusetts
Oct 20, 2025
K. C. B.
Director
Mobile Phone
Email
United StatesMassachusetts
Oct 20, 2025
K. F.
Tax Director
Mobile Phone
Email
United StatesMaryland
Nov 15, 2025
L. S.
Managing Director
Mobile Phone
Email
United StatesMassachusetts
Jun 12, 2025
T. O.
Managing Director
Mobile Phone
Email
United StatesMassachusetts
Nov 19, 2025

Frequently Asked Questions

What is tonneson + co known for?

tonneson + co was founded in 1975 operates in the Accounting industry. The company's main headquarters is located in 401 Edgewater Place, Suite 300; you can contact the main corporate office by phone at

+1-781-245-****

. Explore tonneson + co's company overview page for more information.

What is tonneson + co's most common email format?

tonneson + co employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more tonneson + co email formats with LeadIQ.

How many employees does tonneson + co have currently?

tonneson + co has approximately 51 employees as of December 2025. These team members are located across 2 continents, including North AmericaAsia.

Who are tonneson + co's key employees and leadership?

As of December 2025, tonneson + co's key employees include:

Chief Executive Officer: R. E. M.
Managing Partner: D. T.
Director: J. G.
Director: C. B.
Managing Director: J. F.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking