Your Full-Service Accounting + Business Growth Advisory Partner


Deep industry experience drives deeper business impact.

We constantly learn and cross-pollinate ideas from all industries

Real Estate

Wiss & Company, LLP is proud to be the trusted real estate consulting firm of choice for New York and New Jersey businesses. Visit our website to learn about our services.


Our Construction Services Division offers construction-specific accounting, audit, tax and consulting services delivered by industry-dedicated professionals.

Food & Beverage

Whether you are a manufacturer, distributor or a retail grocery chain operator, Wiss & Company is the accounting firm that can enhance your recipe for success.


Wiss & Company serves a broad base of well known and highly respected civil, industrial and mechanical engineers.

Technology & Life Sciences

Whether you are a startup or a well-established life science company, Wiss provides you with the specialized expertise and valuable relationships necessary to make an honest go at it.

New Media

With the emergence of new technology, it’s an exciting time to rock with the new media world. With Wiss by your side, you will have a partner to grow with.

Manufacturing & Logistics

When it comes to manufacturing and distribution, it's good to know that your accounting firm has experience with the logistics of your business.


Specializing in medical and dental group practices for more than two decades, WISS has been at the forefront of many significant changes in healthcare.

Not for Profit

Armed with an in-depth understanding of the regulatory environment in which not-for-profit organizations operate, Wiss & Company offers the full range of auditing, accounting, tax and consulting services.

Public Sector

Whether you manage a school system, a municipality, an authority, a state agency, or a not-for-profit, Wiss & Company is an accounting firm that is head of the class.


The Wiss Cannabis Practice has served multi-state, medical and recreational clients in this specialized sector. 

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