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 20 years.  She joined the TaxSense® team 15 years ago and manages the clients bookkeeping and accounting needs as well as corporate tax returns.

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.  

Tammy Anshewitz - Tax Specialist, Notary Public

Tammy is an experienced tax professional with over 19 years of service.  She joined TaxSense® 8 years ago and now manages the Braintree office, along with preparing individual tax returns from that location.

Tax Preparer & Recruiter:

Jennifer Faer joined TaxSense® in December 2018 and enjoyed her first tax season so much that she is working towards AFSP certification and recruiting other tax preparers to join our company.  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.

Welcome to TaxSense - Henderson, Grealis & Associates PC, CPA Accounting firm licensed in MA.

We offer a broad range of services for business owners, executives, and independent professionals. We are affordable, experienced, and friendly.
Please call us today at (888) 829-7367. Thanks for visiting!

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