hero audit representation nesconset ny

Serving Nesconset, NY Since 1999

Personalized Customer Attention

  • Office Numbers

    (631) 724-9620

  • Business Hours

    Mon – Thu: 9 AM – 6:30 PM
    Fri: 9 AM – 5 PM
    : 9 AM – 4 PM
    Sun: Closed

  • Headquarters

    5 Quist Lane
    Nesconset, NY, 11767-1935

  • Email


At John E Helldorfer, CPA., We Have the Answers You Need in Nesconset, NY

We’ll Be Your Guide

Helping the community moves us to become better every day and to keep updating our knowledge. At John E Helldorfer, CPA., we like to help everyone, especially small businesses, because we’ve been there and know how vital it is to have the best advice, quick service, and everything well-documented. Having all the information you need is essential for making smart and informed decisions that can help your company grow. We’ve been providing reliable accounting services since 1999, and we couldn’t be prouder. There are still numerous goals that we want to achieve along with you, so reach out to us and let us know how we can assist you.

Our Certified Public Accountants are trained in the latest accounting practices. We’ll work with you to make sure that your finances are in order–so you can focus on what matters most: running your business. There are still numerous goals that we want to achieve along with you, so reach out to us and let us know how we can assist you.

Our Full Range of Services

Financial Statements

Have a complete financial statements

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Payroll Services

Save time and focus on reaching your goals.

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Tax Preparation

Have everything you need in the right order.

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Advisory Services

Receive advice before making a decision.

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Audit Representation

Get represented by a professional.

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Employee Retention

Learn if you are eligible for Tax Credits

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We’ll Be Your Trustworthy Guides

Receiving proper guidance during crucial times will help you make decisions you won’t regret in the future. Our bookkeeping services will help you have the information you need within hand reach so you can refer to it whenever you need it. At John E Helldorfer, CPA., we want you to enjoy your work and have enough time to think about your company’s future without having to complete time-consuming tasks that can be done by someone else. Our payroll services make the process simple and help you focus more on your daily operations.

Understand Taxes With Our Assistance

The law changes unexpectedly every now and then. Some changes are confusing or difficult to understand; fortunately, at John E Helldorfer, CPA., we have over two decades of experience translating everything into simple words. Our accountants are ready to help you with anything you need, whether you were called for an internal audit or if you require tax preparation services. Additionally, through our tax services, you can learn if you are eligible for employee retention tax credits.

Our professionals will make sure that you always have the necessary documentation in one place to make the process more efficient. Make the most of your financial situation, so you can focus on running your business instead of worrying about taxes or keeping track of all those receipts.

Schedule an Appointment

Our professionals at John E Helldorfer, CPA. strives to help you solve your financial problems and make informed decisions in Nesconset, NY. We’ll align with your objectives to make sure we are on the same page and become your best ally.

Having someone who understands your industry is highly beneficial, and we are also ready to tailor our services according to your company’s needs. Contact us today. We know that running a business can be tough, and we want to help you.

Why Should I Call John E Helldorfer, CPA.?

We are up to date with the law and have the analytical skills you are looking for to interpret your financial data.

  • Serving since 1999
  • Immediate service
  • Personalized attention
  • Fully licensed

The Areas We Serve

Nesconset, NY

Deer Park, NY

Smithtown, NY

Hauppauge, NY

Ronkonkoma, NY

St. James, NY

Centereach, NY

Holbrook, NY

Bohemia, NY

Melville, NY

Bay Shore, NY

Huntington, NY

Get In Touch With Us Today

Our certified accountants are ready to review your case and prepare everything to help you become more confident when leading your business. Call (631) 724-9620.

We serve Long Island, including:

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