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.

He was recently elected to the Board of Assessors in Milton, MA. Learn more at www.jim4assessor.com .


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.

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 the majority of individual tax returns from that location.

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.  Since then, she has become the manager of our Norwood office and also became an Enrolled Agent in 2009.  Ellen focuses on individual, trust, and estate returns.  

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..

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. We'll be happy to offer you a free initial consultation. Thanks for visiting!

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