GAGNONtax Employee Directory

Q: What is GAGNONtax known for?

GAGNONtax was founded in 2001. GAGNONtax operates in the Accounting industry.

Q: How many employees does GAGNONtax have currently?

GAGNONtax has approximately 13 employees.

Q: Who are GAGNONtax's key employees and leadership?

GAGNONtax's key employees include: Founder President: W. G..

AccountingMassachusetts, United States11-50 Employees

GAGNONtax is a tax-only consulting firm committed to serving the needs of our clients with our unique combination of technical expertise, integrity and flexibility. Our team is comprised of career tax professionals who are recognized specialists in their fields.

Many of our clients are large publicly-held companies that look to us to provide tax consulting, technology, and compliance.

Services for corporate clients include technical consulting in a broad array of federal and state tax disciplines, tax compliance for organizations of any complexity using all leading preparation software platforms, and technology solution development, design and integration.  

Since 2001, GAGNONtax has delivered large firm quality with a small firm’s dedication to client service.

Find GAGNONtax employees' phone numbers or email addresses

GAGNONtax Global Highlights

North America
14

United States Of America
14

GAGNONtax's Leadership

W. G.
Founder President
Mobile Phone
Email
M. H.
Partner
Mobile Phone
Email
J. G.
Owner
Mobile Phone
Email
J. G.
Owner
Mobile Phone
Email
S. L.
Vice-President
Mobile Phone
Email
C. J.
Controller
Mobile Phone
Email
Y. M.
Office Manager Associate
Mobile Phone
Email
M. C.
Information Technology Administrator
Mobile Phone
Email

GAGNONtax Employee Metrics

100%

50%

0%

2026

2025

Accounting
Business
Business Development
Community & Social Services
Information Technology
Other

Contact profiles from GAGNONtax

Name

Title

Contact Info

Location

Last Update

M. H.
Partner
Mobile Phone
Email
United StatesMassachusetts
Aug 12, 2025
J. G.
Owner
Mobile Phone
Email
United StatesPennsylvania
Nov 17, 2025
J. G.
Owner
Mobile Phone
Email
United StatesNew Jersey
Jul 19, 2025
W. G.
Founder President
Mobile Phone
Email
Sep 13, 2024
S. L.
Vice-President
Mobile Phone
Email
Oct 16, 2024
C. J.
Controller
Mobile Phone
Email
United StatesMinnesota
Jun 27, 2025
Y. M.
Office Manager Associate
Mobile Phone
Email
Oct 17, 2024
M. C.
Information Technology Administrator
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
M. C.
Executive Assistant/Office Manager/Tax Preparer
Mobile Phone
Email
UNITED STATES
Apr 07, 2023
M. H.
Mobile Phone
Email
UNITED STATES
Oct 16, 2024

Frequently Asked Questions

What is GAGNONtax known for?

GAGNONtax was founded in 2001 operates in the Accounting industry. The company's main headquarters is located in Boston, Massachusetts 02109 United States; you can contact the main corporate office by phone at

+1-617-451-****

. Explore GAGNONtax's company overview page for more information.

What is GAGNONtax's most common email format?

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

How many employees does GAGNONtax have currently?

GAGNONtax has approximately 13 employees as of March 2026. These team members are located across 1 continents, including North America.

Who are GAGNONtax's key employees and leadership?

As of March 2026, GAGNONtax's key employees include:

Founder President: W. G.
Partner: M. H.
Owner: J. G.
Owner: J. G.
Vice-President: S. L.

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