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Who We Are

Henderson, Grealis, & Associates PC, CPA is a group of professional CPAs and enrolled agents well-qualified to handle your situation.

James A. Henderson - CPA, Notary Public

Jim attended the University of Notre Dame and graduated with high distinction from Babson College. He also graduated from the prestigious Boston Latin School. In 1983, he founded what eventually became Henderson, Grealis, & Associates.

He presents numerous seminars on tax planning, real estate, home ownership, college planning, and other topics of interest for his clients and associates. 


Sean P. Grealis - CPA

Sean is a graduate of Westfield State University. After working in the private sector, Sean joined the firm in 1995. His main focus is working with small business clients. He also works with numerous professional athletes around the world.

Joanne Halnen - Staff Accountant, Enrolled Agent

Joanne is a Cum Laude graduate of Eastern Nazarene College and is an experienced staff accountant of  over 20 years.  She joined the TaxSense® team in 2001 and manages the corporate tax returns as well as clients bookkeeping and accounting needs.

Ellen Fleming - Enrolled Agent, Notary Public

Ellen is the Tax Manager our Norwood office.  Ellen graduated Magna Cum Laude from Taylor University with a Bachelor's degree in Chemistry.  After 6 years of biomedical research and 7 years in technical service, she changed careers and joined TaxSense® in 2004.  She has managed the Norwood Office Manager since 2008 and became an Enrolled Agent in 2009.  Ellen focuses on individual, trust, and estate returns.  

Jennifer Faer, AFSP 2020:

Jennifer joined TaxSense® in December 2018 and enjoyed her first tax season so much that she completed AFSP certification for the 2020 tax filing season.  Prior to coming to TaxSense®, Jennifer was a licened private investigator in California and she graduated cum laude from University of New Haven with degrees in Chemistry and Forensic Science.

We want to hear from you!

Please fill out this form and let us know how we can be of service. We will happily offer you a free consultation to determine how we can best serve you.