Long Island Accounting and Advisory

The Anchin Long Island office is minutes from the Long Island Expressway and parkway system, and is convenient to Nassau County mass transit.


The office serves a growing number of clients with assurance and financial reporting, tax, accounting, and specialty advisory services.

Our Expertise on Long Island

The Long Island accountants and other professionals at our Uniondale office provide guidance to investment funds, privately held companies and high-net-worth families and individuals. Our team will advise you in crucial areas, such as private equity, professional services, and commercial real estate. We serve these and other industries:

  • Law firms
  • Construction
  • Consumer products
  • Technology
  • Architecture and engineering
  • Food and beverage
  • Beauty
  • Health and wellness
  • Branded CPG
  • Life sciences
  • Manufacturing and distribution

We also work with private clients in areas such as family office strategies management and succession advisory, art collections, guidance on privately owned businesses, and matrimonial and litigation & valuation support needs.

3 Expert Teams to Guide You in Specialty Advisory Services

Our ability to deliver specialized expertise separates Anchin from other Long Island accounting and advisory firms. Each unit will guide you through the complex regulations and deals and help you navigate the often treacherous waters of leadership transitions. You will receive reliable guidance for streamlining, becoming more technologically efficient, and combating increasingly pervasive and potentially devastating security threats:

  • Business and Risk Advisory: Our business advisory services take you beyond the numbers to prepare you to make well-informed decisions, take calculated risks, and foster fruitful strategic partnerships.
  • Tax Advisory: Our Long Island CPA team and other tax professionals can help you identify potential tax issues early and implement a coherent strategy for retaining more of your earnings.
  • Technology and Data: Use our technology and data advisory services to keep your systems and networks up to date and secure. Our experts can uncover innovative ways to help your business expand while mitigating the cybersecurity risk.

While an Anchin CPA in Long Island can offer you excellent advisory tax, and financial reporting services, we offer so much more. As a forward-thinking accounting, tax, and advisory firm, we can help you look toward the future by identifying and preparing for additional opportunities. Our experience and expertise enable you to anticipate and overcome obstacles and pursue your objectives with confidence. No wonder our firm consistently appears on industry-admired “best of” lists for client service.

Our Presence on Long Island

Our specialists in Uniondale have a deep understanding of the needs of businesses on the island. Anchin Managing Partner, Russell B. Shinsky, is a life-long Long Island resident. In addition, several of our key firm leaders, industry and advisory services leaders live on Long Island, proudly and seamlessly serving their local clients along with those in the Greater New York City area, Florida and around the country. They are also deeply committed to helping their communities thrive.

The Long Island office is involved in several local organizations, including Hauppauge Industrial Association (HIA-LI), Long Island Association (LIA), Long Island Real Estate Group (LIREG), Long Island Real Estate Investors Assocation (LIREIA), Middle Market Alliance of Long Island and the Accountant/Attorney Networking Group.

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