Business Tax Preparation

In Great Neck, Bayside, Flushing, Garden City, Port Washington, NY and Nationwide

Running a business is enough work—your taxes shouldn’t make it harder. At Premier Tax Planning, we help small business owners in Great Neck, across Long Island, and virtually throughout the U.S. prepare accurate, strategic tax filings while identifying opportunities to reduce liability and keep more of what you earn.


Whether you’re managing an LLC, S-Corp, sole proprietorship, or freelance income stream, our experienced tax professionals will guide you through every step.

Small Business Tax Help That Goes Beyond the Numbers

We don’t just fill out forms—we help you understand how each decision affects your bottom line. We take the time to learn your business structure, income sources, and expenses, so you can stay compliant and confident. And because we offer both tax and financial planning under one roof, we help you make smarter decisions all year long.

Who We Serve

We work with entrepreneurs, consultants, real estate agents, healthcare providers, and local service professionals throughout Nassau County and beyond. Many of our clients are:


  • LLCs, S-Corps, or sole proprietors
  • W-2 earners with a side business
  • Self-employed professionals or 1099 contractors
  • Small business owners with 1–20 employees

Business Tax Services You Can Rely On

Federal & State Business Tax Returns
We prepare and file your business returns based on your entity type and state requirements—including multi-state filings when needed.


Quarterly Estimated Tax Planning
We calculate and review your quarterly tax obligations to help avoid underpayment penalties and last-minute surprises.


Deduction Review & Optimization
From home office expenses to vehicle mileage and software subscriptions, we’ll help you capture every legitimate deduction.


Year-End Strategy
Before the year ends, we’ll evaluate tax-saving moves like asset purchases, retirement contributions, and business restructuring options.

Why Business Owners Choose Premier

We provide more than tax preparation—we deliver strategic guidance, flexible service options, and year-round support so business owners can make confident financial decisions.

Selling investments?

As both tax advisors and financial planners, we can help you plan not just for this year’s taxes, but for future growth and exit strategies.


Flexible Appointments

Meet in person at our Great Neck office or connect virtually from anywhere in the U.S. through our secure online portal.


Ongoing Support

We’re here year-round—not just during filing season. Whether you’re facing a large tax bill, reviewing your S-corp election, or preparing for a new hire, you’ll have a partner you can call for advice.

Frequently Asked Questions

  • Can you help with both personal and business taxes?

    Yes. Many of our clients rely on us for both. Coordinating your personal and business taxes allows us to make better strategic recommendations and spot issues early.

  • What if I don’t have a bookkeeper or accounting software?

    That’s okay. We can work with your existing records and help you clean up or organize them for tax filing purposes.

  • Do you work with new businesses or startups?

    Absolutely. We help new business owners understand what’s deductible, how to track expenses, and what steps to take to stay compliant from day one.

  • Can you help me plan for self-employment taxes?

    Yes. Self-employed individuals often face unique tax obligations like SE tax and quarterly estimates. We’ll walk you through exactly what you owe and when.

Let’s Get Your Business Taxes Done Right

Whether you’re managing a growing business or just launched your first side hustle, Premier can help you file with confidence and plan for what’s ahead.