Sheehan & Company is a medium-size Certified Public Accounting firm, offering the same state-of-the-art services traditionally found in larger, so-called "national" accounting firms. While we have evolved to keep pace with the rapid transformation of business, it is our dedication to personalized client relationships that has ensured our success, year after year.

With over 50 employees, we are well-equipped to service most mid-sized entrepreneurial companies. From our three corporate locations in Manhattan and on Long Island, New York, we service a diverse roster of national and international clients. Sheehan & Company offers the same state-of-the-art services traditionally found in larger, so-called "national" accounting firms.

Our Mission Statement
We deliver highly personalized and professional services. We make every effort to enhance client profitability and their personal net worth. We continuously invest in our employees and technology to remain on the cutting edge of an ever-changing business world. We sincerely value the opportunity to share our wealth of knowledge with those who seek it. Put simply, "The difference is... we care."

Our services:

Tax & Financial Planning
Accounting & Auditing
Computer & Technical
Business Valuation
Litigation Support

Industry Practices:

Construction Industry
Insurance Industry
Law Firms
Litigation Support Services
Manufacturing Industry
Medical and Health Field
Local Governments and Governmental Entities
Not-For-Profit Organizations
Professional Services
Real Estate Industry
School Districts

Business Development

Professional Services

Accounting

Construction

Sheehan & Company

John C. DeFalco

Bill Weiss

William Huether Cpa, Cgma

Thomas Novak

Stephanie Handel

Pamela Hannwacker

Kevin Schmutz

John W. Hermus Cpa, Mba, Cgma

Cynthia Barry

Anthony P. Mariani

Alyson Terwilliger

William Tartaglia

Cpa/Pfs John C Defalco Mst

Jonathan Beekman Cpa

Mary Beth O'Mahoney

Laura Lacasse

Chuck Kissel

Accounting and Taxation Team

Partner Management Team

Administrative Team

Teams at Sheehan & Company

Accounting and Taxation Team

Partner Management Team

Administrative Team