Our Team
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Our Team

Susan DeFelice
Founder/Owner | Enrolled Agent
Susan has earned her Associates degree in business management from Aquinas College in Milton. With over 30 years in accounting experience. Sue has held various positions for large and small companies to include accounting manager, accounts payable accounts receivable, payroll, and financial reporting.
Sue has purchased the firm she worked for over 16 years in 2022. She is currently a QuickBooks Pro Advisor as well a licensed Enrolled Agent. She enjoys spending time with her husband and two boys. Her favorite pass time is watching her sons sporting events, shopping, and refinishing old furniture to bring it back to life.
Email: sue@onpoint-accounting.com

Maria O'Connell
Payroll Professional
Maria has earned her Associates degree in business management from Aquinas College in Milton. Maria was involved in the medical field for a number of years as well as a stay at home mom for her young children.
Maria has joined our firm in 2016 as a payroll specialist and has advanced her career to become a payroll professional. Maria has a great attention to detail and her organizational skills are impeccable. In her free time Maria likes to spend time with her husband and children having family parties, watching great movies, and decorating her home.
Email: maria@onpoint-accounting.com

Madison Butt
Staff Accountant and Tax Preparer
Madison has her bachelor’s degree in business with a concentration in management from Bridgewater State University. Madison was involved in the customer service field for a number of years and has worked for both small and corporate businesses. Madison joined our team this year as a staff accountant, tax preparer, and our social media connoisseur. She enjoys spending time with her family, friends and dogs. Her favorite ways to pass time are reading, spending time by the water, shopping and going to concerts.

Emma Harrington
Staff Accountant
Emma Harrington joined our firm in April of 2023 as a staff accountant. Emma accurately and efficiently processes transactions and reconciles bank statements for a wide range of clientele in presenting data in the form of financial statements in support of the On Point Accounting Services team. Emma is passionate about painting and drawing and enjoys taking care of her pets. In her free time Emma enjoys playing the guitar while spending time with her family and friends.
Email: emma@onpoint-accounting.com

Nancy Sylvia
Tax Preparer
Nancy is a graduate of the University of Massachusetts – Dartmouth with a Bachelor of Science degree in accounting. She has serviced a wide variety of clients and, in the process, have amassed a broad background in general accounting and taxation. In her free time Nancy enjoys reading and being outdoors for walking and puttering about my herb garden.
Email: nancy@onpoint-accounting.com

Denise Harrington
Administration
Denise is an administrative assistant, with over 20 years experience. She has worked in an attorney’s office, construction industry and in the medical field. Denise has great passion to be able to assist others. She enjoys spending time with her family and friends. In her free time Denise enjoys shopping, fishing, walking the beach and traveling.

Peter McMahon
Founder/Owner of Peter McMahon PC | Consultant for On Point Accounting Inc.
Peter has been in the Accounting industry for over 30 years.
Peter earned his Bachelor of Business degree from Northeastern University and a Master’s degree in Taxation from Bentley College. He worked as a tax accountant in private industry for companies such as Raytheon and Computervision and then in public accounting for Ernst and Young and Wolf & Company before striking out on his own.
Peter enjoys spending time with his wife Lynda, his grown children, grandchildren, extended family and good friends. Other pastimes include basketball, kayaking, camping, travel and hiking. A lifelong resident of Massachusetts, he is passionate about the Patriots, Celtics and Red Sox.
Email: pjm@petermcmahoncpa.com
About Us
Complete Accounting,
Tax and Payroll Package
for Small Businesses
