Sedore’s founders, partners and the clients who have trusted us to handle their accounting needs have driven the history of our firm. For almost three decades, our excellent service in helping people has shaped us into the premier accounting firm that we are today.
1982
James L. Sedore, Jr., and Mark O'Sullivan founded Sedore, an accounting and consulting firm.
1987
Jim F. Letterio merges his practice with Sedore.
2000
Linda M. Hannigan becomes a partner at Sedore.
2001
Karen T. Hansen merges the Hansen & Arnold firm with Sedore.
2007
Jeffrey L. Brown becomes a partner at Sedore.
2008
Charles R. Rae merged his firm, Rae and Company, with Sedore.