Louis C. Grassi, CPA, CFE


LouGrassi1Louis C. Grassi, CPA, CFE is the Chief Executive Officer, Managing Partner, and driving force behind the firm’s growth. He began his career in 1977 and has extensive experience in tax, accounting and consulting. Lou takes a proactive role with clients, performing such value-added services as profit-enhancement studies, operational reviews, performance benchmarking, forensic accounting, cost analysis, incentive compensation programs, estate and succession planning, corporate restructuring, and corporate retreat facilitation. Lou’s counsel has proven instrumental to the success of many companies in a variety of industries.

Lou has received a number of industry accolades, including being named one of the “Managing Partner Elite” by Accounting Today Magazine. His CPA peers also voted him to be among the “Most Admired Peers,” as awarded by INSIDE Public Accounting (IPA). Lou was also recognized as an “Outstanding CEO” by a major NY publication and was recently recognized as one of the “Kings of Long Island” by Queens Courier. Lou’s leadership, drive for success, and dedication to providing clients with high quality services has grown Grassi & Co. from a zero base firm to being ranked among the Top 77th largest Firms in the country by Accounting Today, among the top 17 Largest Firms in the New York area by Crain’s New York Business and the 70th largest and one of the 100 Fastest Growing Firms by INSIDE Public Accounting. IPA has also recognized Grassi & Co. as a “Best of the Best Firms” for nine consecutive years.  The firm was also recognized by Crain’s New York Business as one the 50 Fastest Growing Businesses in New York City.  Grassi & Co. was ranked among the top 40 fastest growing companies in the New York Metropolitan Area.  Grassi & Co. has also been ranked as the Best Place to Work by several publications.

Lou currently serves as Chair of Moore Stephens North America, part of an international association of more than 300 independent accounting and consulting firms.  As a nationally recognized expert, Lou is also frequently called upon as a lecturer and business advisor for companies and industry trade organizations. He has authored numerous local and national articles, also serving as a contributing editor to the Corporate Controller’s Manual and was the Editor of the Journal of Construction Accounting & Taxation. Lou was also an adjunct professor at Columbia University teaching a graduate level course in finance and accounting.

Lou has served as an executive board officer for the New York State Society of Certified Public Accountants (NYSSCPA), and he is a member of the American Institute of Certified Public Accountants (AICPA). Lou also serves on numerous committees and task forces within the industries that the firm serves.  A member of the Young Presidents Organization, he appears in both the national and international Who’s Who Directory of Finance, and he was a member of the Editorial advisory board of CPA Managing Partner Report, The CPA Journal, and other industry publications.

Actively involved in his community, Lou holds board positions with several civic and philanthropic organizations. He was also a member of the Nassau County Audit Advisory Committee, as well as a former member of the Nassau County Comptroller’s transition team and past chairman of a large Not-for-Profit human services agency. Additionally, Lou serves on the Board of Flushing Financial Corp, a $5 billion U.S. bank and BRT Realty, a publicly traded REIT.

A graduate of Queens College, Lou holds a Business Administration degree in Accounting. He has completed postgraduate courses in taxation and earned the designation of Certified Fraud Examiner (CFE) from the National Association of Certified Fraud Examiners.


Louis  C.  Grassi, CPA, CFE   Managing Partner, Chief Executive Officer
Grassi & Co.
50 Jericho Quadrangle, Suite 200
JerichoNY11753 US  
(516) 336-2450
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