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From Our Managing Partners

Bosswick Kotler
Mark Bosswick Stuart Kotler

CPA, J.D., LL.M.
Managing Partner

Managing Partner


In a 2015 client satisfaction survey, Berdon's ratings were among the highest ever received by the independent research firm that conducts these surveys on behalf of public accounting firms nationwide.

Specifically, Berdon scores topped those of all other firms surveyed in key areas of client satisfaction, including People, Policies and Procedures, Range of Services, Quality of Service, and Value of Service. Those results are heartwarming, to say the least, and we are grateful to our clients who responded to the survey.

These responses teach us some important lessons:

  • The responses indicate that we are doing something right. In today's crowded marketplace, we know that it can be challenging to see what differentiates one accounting firm from another. Our pledge to our clients has never wavered: We listen to their issues, solve their problems, and execute the solution with the highest levels of technical excellence and personal service. In other words, we Listen. Solve. Do.
  • At the same time, we know we cannot and will not rest on our laurels. As we approach our centennial in 2017, we remain committed to strive for continuous improvement and to help you grow and protect your wealth for the current and future generations. To that end, we never stop learning and we never stop looking at ourselves and asking "what can we do better?".

Our goal is to bring the wisdom of the firm to bear on your behalf. We do that through personal meetings, a steady stream of communication related to tax and regulatory issues, internal "think tanks," our 2MO videos on hot topics, education, and our affiliation in TIAG, an international affiliation of accounting firms. There are no technical silos at Berdon and all clients are clients of the firm, not the client of a particular partner. This team approach to client service brings together some of the best minds in the country to work for you.

For example, the majority of our tax partners hold the J.D. and LL.M. degrees as well as the CPA certification. That combined legal and accounting training allows us to deliver a perspective on complex tax issues that few accountants can deliver. Other partners also hold advanced degrees, such as the MBA, and certifications specific to their areas of expertise.

Our audit partners have held key committee memberships on both the state and national level; we have been on the forefront of the development of accounting standards. Our own peer reviews come back with "no comments," i.e., a clean bill of health, and Berdon's name on financial statements brings comfort and confidence to our clients, as well as the financial and legal communities.

Berdon has proven itself to be the advisor of choice to high net worth individuals and family-owned businesses for generations. We are regarded nationwide as a premiere provider of services to the real estate and related industries, such as hospitality services, architecture, engineering and construction services, and the like. We are the advisor of choice to many large and small law firms, health care practices, advertising agencies, insurance brokers, and other service providers. And in recent years, we have emerged as the advisor of choice to entertainers, athletes, and family offices, for whom we often provide outsourced business management services.

The two of us have literally grown up in this firm together; we have never worked anywhere else. For many years, we even shared an office. Berdon is our home, our culture, our family, and we truly care about our Berdon family members and our clients.

Please do not hesitate to reach out to either of us with your suggestions as to how we can continually improve. It is a privilege to serve you and a privilege that we must constantly earn.  We are never more than a phone call or email away; contact us at 212.832.0400 or at: or

Thanks again for visiting our site; we look forward to hearing from you.