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This Is Us

Integrity • Vision • Success

Founded in New York in 1985 by two partners, Perlson LLP has grown to become a reputable firm relied on by its clients for its nurturing, client-oriented culture. Our mission is to exceed our clients’ expectations and provide outstanding customer service that embodies integrity and professionalism.
With clients from coast to coast, Perlson LLP’s dedicated team of professionals are committed to a standard of excellence and innovation generally found in larger firms. Our experts understand that helping clients protect and realize the full value of their assets can be accomplished only by addressing current needs and anticipating future challenges. 
We are proactive in finding solutions that make our clients’ businesses and personal finances stronger and better able to withstand the ups and downs of the economy. Our clients’ achievements are the most important measure of Perlson LLP’s success. It is what drives us to continue doing what we do best: helping our clients formulate and achieve their goals.


Client Testimonials

Perlson LLP was with our technology company as our CPAs and trusted advisors from the inception through the successful sale of the company to a private equity firm. They soundly guided us through the maze of accounting and tax issues that were specific to software companies. The former ownership team continues to work closely with the firm as our accountants for individual tax returns, vast business interests and with JP Wealth Management as our comprehensive financial advisors and wealth managers. 
—Anthony Bakker, former CEO, Blackbaud

It’s not an overstatement in saying that having Perlson, LLP manage our corporate accounting is one of the pillars to our success as an organization. From day one of our 15 year relationship they represented themselves as part of our “team”, never just a vendor providing a service. Their expertise and counsel have been invaluable to us throughout the many business challenges we have come up against. We couldn’t be prouder to recommend them professionally as they bring a level of professionalism and integrity that is without equal.
—Larry Callahan, CFO/COS Millennium Alliance Group, LLC

Perlson LLP have been the accountants for our law firm, Gallet Dreyer & Berkey, LLP for more than 10 years.  Their level of expertise and service is unparalleled.  We are fortunate to have them as part of our Gallet Dreyer & Berkey team.
—Roger L. Stavis, Partner, Gallet Dreyer & Berkey LLP

I have used Perlson LLP for the past 25 years as both my personal accountant as well as for my practice of gastroenterology. Mark is a passionate, genuine, and knowledgeable person who really cares about his clients. He has always maintained an awareness of the changes that have taken place in the tax code over the years. He seeks out opportunities to minimize my tax liabilities while not putting me at risk. He has been a trusted advisor in all things financial in my life. Mark and his staff have always provided excellent service and sound advice. I have made many referrals and all have of them have been grateful and thanked me profusely. He is the man! Don't think twice, you will not be disappointed!
—Alan Sloyer, MD., North Shore Gastroenterology Associates

We operate a group of award winning restaurants in the South and the services we receive from Perlson LLP build confidence in our financial management. Their knowledge, expertise and effective communication allow us to focus on operations and are an integral part of our continued success.
—David Howard, President, Neighborhood Dining Group


Perlson serves as a trusted advisor - capably guiding us through complex decisions in our private equity advisory business, family estate tax matters, and other matters -- always with a well thought-out plan and successful outcome.

—Howard J. Kahn, ISE Investments

Perlson’s top flight professional skills and absolute integrity enable the firm to admirably assist clients to achieve their business and professional goals. The firm is a marvelous asset to any healthcare practice and I recommend him without reservation.
—David Lester, Esq., Managing Partner, Cooperman Lester Miller LLP

I have used Perlson LLP and Mark Perlson for both my business and personal accounting needs since 1989. Over those three decades, I have never failed to be impressed with the skills and integrity of Mark and of every associate at Perlson LLP. Not only do I have complete trust in their work, but I have even advised many members of my family and circle of friends to turn to the firm as well.
—Michael Giunta,  former McDonald’s franchisee



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Company Info

Perlson LLP
977 North Broadway
North Massapequa, NY 11758

Phone: 516-541-0022
Fax: 516-541-7760