Who We Are
Timothy D. MacLellan
Tim MacLellan Sr. concentrates his practice on report services, business, tax and financial planning, and nonprofit organizations. He attained his Bachelor Of Science Degree in Accounting from Bentley College. His association with Morgan & Morgan, P.C. began in 1980. Mr. MacLellan is a member of the Massachusetts Society of Certified Public Accountants, the American Institute of Certified Public Accountants, and the Management of an Accounting Practice Committee of the MSCPA. In addition, Tim has served on the Board of Directors for the Massachusetts Society of C.P.A.s. Finally, Tim Sr. is a frequent speaker on estate planning and retirement topics.
Thomas J. McKinnon
Mr. McKinnon concentrates his practice on accounting report services, taxes, business planning, and personal financial planning. He received his Bachelor Of Science Degree in Accounting cum laude from Bentley College. His association with Morgan & Morgan, P.C. began in 1978. Mr. McKinnon is a member of the Massachusetts Society of Certified Public Accountants, the American Institute of Certified Public Accountants, and the Personal Financial Planning Division of the AICPA.
Timothy MacLellan Jr.
Tim MacLellan Jr. is an accounting manager at Morgan & Morgan, P.C.. He graduated from Endicott University, holding a Bachelor Of Science Degree in Accounting. His association with Morgan & Morgan, P.C. began while serving as an intern during college. In 2014, he returned to the CPA firm as a Senior Accountant. His experience includes accounting, tax and auditing services.
Sheryl Manning is Audit Manager at Morgan & Morgan, P.C. She graduated from Newbury College, holding a Bachelor of Science Degree in Business Administration with a concentration in Accounting. Her association with Morgan & Morgan, P.C. began in 2017. Ms. Manning is a member of the Massachusetts Society of Certified Public Accountants as well as a Certified Quick Books ProAdvisor. Sheryl has 22 years of experience specializing in accounting, auditing and tax services for nonprofit organizations and small closely held businesses.
Morgan & Morgan, P.C. is among the oldest public accounting firms serving clients throughout the Greater Boston area and beyond. Our team of dedicated accounting professionals has provided full-service accounting to individuals, corporations, small businesses, and nonprofit organizations for over 100 years!
The firm was founded in 1917 by Walter S. Morgan and R. Harrison Morgan, brothers who were prominent in business and education in the Boston community. Shortly after, they founded the Morgan School of Accounting and Finance on Tremont Street in Boston, which they operated for ten years. Walter S. Morgan later served as the State Comptroller for the Commonwealth of Massachusetts under Governor Leverett Saltonstall.
Walter H. Morgan, the son of R. Harrison Morgan, began his career at Morgan & Morgan in 1946. A graduate of M.I.T., Mr. Morgan served in the US Army for three years and worked in New York City and Connecticut before working for the firm. His brother-in-law, Bernard Allen, joined him in the late 1950s. Under their direction and leadership, the public accounting firm relocated to Quincy in 1975 and prospered into the 1980s.
Since the early 1980s, the firm has thrived under the guidance of Thomas J. McKinnon and Timothy D. MacLellan.
Our Guiding Principles
We believe our success depends on our long-term relationships with our clients. Following these principles requires us to be responsive to their needs and exceed their expectations.
Morgan & Morgan, P.C. has completed all of the peer reviews of its accounting and auditing practice under the guidance of the Massachusetts Society of Certified Public Accountants. The firm received unqualified opinions on all peer reviews, representing the highest quality assurance issued by the Society.