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Sheehan helps clients solve difficult financial, tax and audit problems and increase profitability by working as their Accounting partner in all financial matters through a long-term relationship. Sheehan has the reputation in the NY metropolitan area for delivering superior tailored professional services with Manhattan-level expertise at reasonable, Long Island prices.

Our focus is solely on the measurable, continuous success of our clients.

We retain clients because of exceptional partner involvement, timely service, and operational excellence driven by old fashioned core values of integrity, quality, professionalism and proactive involvement in our clients’ lives and businesses.

Sheehan culture is described by our employees as family-oriented and focused as much on the development of the professional as we are on the developmental success of the client. Leadership is every employee’s responsibility and we expect our people to be leaders in the profession and the community. We care at the heart about the personal relationships we form with each client and how they interact with their advisors to receive expert industry specific guidance in solving problems and increasing profitability. We believe the “client experience” matters.

Tel: 123.456.7890

We Offer


Founded in 1955, Sheehan 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 is one of Long Island's largest and most respected accounting firms. The firm's two New York locations, with their solid technological infrastructure, have provided domestic and international clients timely, professional services for more than six decades.

Our profession is rapidly changing to accommodate an ever-changing global business and economic marketplace. Sheehan 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 offers a host of financial services, many of which have traditionally been found only at larger, national firms.

Our mission, however, remains bring high quality, objective, personalized professional services to
our clients.



We are an independent member of the BDO Alliance USA, a nationwide association of independently owned local and regional accounting, consulting and service firms with similar client service goals. 

The BDO Alliance USA presents an opportunity for firms to expand services to clients without jeopardizing our existing relationships or our autonomy by accessing the resources of BDO USA, LLP and other Alliance members. The BDO Alliance USA was developed to provide Member firms with an alternative strategy for gaining competitive advantage in the face of a changing business landscape. The Alliance represents an opportunity for BDO to enhance relationships with reputable firms that share a mutual business understanding. The BDO Alliance USA is a subsidiary of BDO USA, LLP, a Delaware limited liability partnership.

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