History
Founded in 1955, Sheehan & Company is a medium sized Certified Public Accounting and Consulting firm. Through steady growth and commitment to client success, we have become a well-known firm in the New York Metropolitan area.

Today, Sheehan & Company is one of Long Island's largest and most respected accounting firms. The firm's three New York locations, with their solid technological infrastructure, have provided domestic and international clients timely, professional services for nearly five decades.

As we enter the new millennium, our profession is rapidly changing to accommodate an ever-changing business and economic marketplace. Sheehan & Company has evolved into a multidisciplinary practice and remains on the cutting edge of technology. Through the professional development of our partners and staff, along with strategic alliances formed with other highly qualified business professionals, Sheehan & Company offers a host of financial services, many of which have traditionally been found only at larger, national firms. Our mission, however, remains unchanged...to bring high quality, objective, personalized professional services to our clients.