Meet the firm
Established experience. Direct accountability.
Founded in 2005, John W. Halloran CPA, P.C. serves privately held businesses across Long Island.
Managing Partner John W. Halloran, CPA leads the firm’s professional accounting and tax practice. Managing Director John W. Halloran, Jr., CFA leads the firm’s CFO Advisory practice, as well as its business development, marketing, technology, and growth initiatives.
Established in 2005
Licensed New York CPA firm
Based in Commack
Meet our leadership
Featured insight · Accounting Operations Assessment
Has your business outgrown its accounting process?
Recurring delays, inconsistent reporting, and repeated clean-up may signal that the accounting function no longer fits the business. Learn what to look for and where to start.
Recognize the Signs