Leahy, Cody & O'Donnell, LLC Overview

Our Firm

LCO Overview Firm Bio

Leahy, Cody & O'Donnell, LLC is the continuation of Jennings, Cody & Leahy, a certified public accounting firm which originated in Taunton in the early 1950's. Michael J. Leahy joined the Firm in 1973 and was admitted as a partner in 1980. Maureen F. Cody had worked in the Firm since approximately 1980 and was admitted as a partner in 1997. Rob O'Donnell has practiced in the Attleboro area for approximately 25 years. The practices were merged at the beginning of 2014. Each of the partners is licensed to practice as a certified public accountant by the Commonwealth of Massachusetts, as is the firm of Leahy, Cody & O'Donnell, LLC. Additionally, the partners are members of both the American Institute of Certified Public Accountants and the Massachusetts Society of Certified Public Accountants. The Firm, which has grown to become one of the leading firms in the Taunton area, represents clients in a broad range of businesses as well as charitable and other not for profit organizations, individuals, estates, and trusts throughout Southeastern Massachusetts. The firm was founded on a principle of providing personal services of the highest quality and the partners and staff are committed to upholding those standards.

Leahy, Cody & O'Donnell, LLC and its predecessor firms have regularly participated in the American Institute of Certified Public Accountants Peer Review Program as conducted and monitored by the Massachusetts Society of Certified Public Accountants and have been issued unqualified reports regarding its accounting and auditing practice, including as recently as its last review for the year ended July 31, 2012.

Michael J. Leahy, CPA



Mike, a 1972 graduate of Boston College, joined the Firm in 1973 and became a partner in 1980. Over a 40 year career, Mike has focused on tax and accounting services primarily to individuals, trusts, estates and small to medium sized businesses in a variety of industries. Those services include tax preparation and planning as well as financial reporting and business consulting and planning.

Mike is a member of both the Massachusetts Society of Certified Public Accountants and the American Institute of Certified Public Accountants.

Mike resides in Raynham, Massachusetts with his wife of over 40 years, Suzanne, where he has been active in youth sports programs and the local public library association. Mike and Suzanne have four children and four grandchildren.

Maureen F. Cody, CPA



Maureen is a Certified Public Accountant and a partner at Leahy, Cody & O’Donnell, LLC.  She has been in public accounting since 1980 and licensed with the MA Society of CPA’s since 1995 and a member of the American Institute of Certified Public Accountants.  Her professional experience includes tax and accounting for individuals, business, estates and trusts. 

Maureen is very involved in community organizations.  She is currently an active board member and past president of The Boys & Girls Club of Taunton, Chair of Taunton Area Chamber of Commerce and Treasurer of the Rotary Club of Taunton.  Maureen resides in Lakeville and enjoys spending time with her family and friends.

Robert B. O’Donnell, Jr. CPA



Rob graduated from Assumption College in 1982 and joined a regional accounting firm based in Rhode Island. In 1992, Rob became a partner in a firm located in Attleboro. In 2005, Rob left the practice to become CFO of a commercial  construction company. The three years spent in this endeavor provided Rob with valuable insights and experiences on the trials and tribulations of operating a small business in an uncertain market. Ultimately, the economics of the times caused the company to close and Rob reentered the field of public accounting by starting a practice in Attleboro while also working with Mike and Maureen. In January, 2014 the three came together to form the current Firm. 

Rob has worked with many different types of small businesses in a wide range of industries offering accounting and tax support and planning. Additionally, Rob has provided support in the role of acting CFO for several clients, both remotely and on-site. He enjoys client relationships beyond the traditional tax and accounting services where he serves as an integral part of the management team looking towards future results and organizational development and the efforts to achieve those goals.

Rob is a member of the American Institute of Certified Public Accountants and the Massachusetts Society of Certified Public Accountants. He is a past president of the Attleboro Lions Club and has enjoyed time serving on several not-for-profit boards over the years. He resides in Attleboro with his wife Thea.

Therese J. Hickey, CPA

Senior Accountant


Terrie, a Certified Public Accountant, joined the Firm in 2005 and provides services to the Firm's clients in areas of bookkeeping, accounting and tax, payroll and other client support needs. Terrie is a 1994 graduate of University of Massachusetts with a degree in Accounting. She is a member of the American Institute of Certified Public Accountants and the Massachusetts Society of Certified Public Accountants. Terrie lives in East Taunton with her husband and daughter.

Joyce H. Cody, CPA, MST

Senior Tax Accountant


Joyce has been with the Firm for over 40 years providing primarily tax services to a multitude of clients operating in a wide variety of industries. Joyce is a Certified Public Accountant and earned her Masters in Taxation from Bryant University. Due to her tenure with the Firm, Joyce is our resident historian and enjoys many friendships with our clients and community leaders. Joyce and her husband, Dennis, a former partner of the Firm, live in Lakeville and have nine children and fourteen grandchildren.

Kathryn K. Wunder

Office Manager


Kathy joined Leahy, Cody & O'Donnell, LLC in 2012. She graduated from University of Nebraska-Lincoln with a degree in Biology. Kathy manages the office at the Firm and also assists client correspondence and appointments. She is responsible for all administrative functions of the Firm. Kathy lives in Raynham with her two children.

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