Strategic Accounting & Tax Solutions for Business Owners and Professionals.

You have outgrown basic tax preparation. We provide expert tax planning, business accounting, and IRS resolution for business owners and professionals with complex portfolios.

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Deeply Rooted. Strategic Accounting for NYC & Long Island.

For over 20 years, Derose & Associates has been a trusted accounting firm serving the entire New York City and Long Island business community. We have grown alongside our neighbors, helping over 400 clients—from local family businesses to rising entrepreneurs—navigate their tax and financial complexities.

We combine this deep regional experience with modern cloud accounting. Whether you are a creative director in Brooklyn or a real estate developer in Nassau County, you get the personalized care of a local partner with the tax expertise of a top-tier city firm.

Who We Help

Business Owners

You are running a real business and need more than just a once-a-year filing. We act as your year-round partner—handling your accounting, payroll, and tax strategy—so you can focus on your work. Perfect for freelancers, creative agencies, and small business owners who want it done right.

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Working Professionals

Your life has outgrown a simple software return. Whether you have a side hustle, rental income, investments, or just a changing family situation, you need a professional set of eyes. We take the stress out of complex taxes, ensuring you get every deduction you deserve without the worry of making a mistake.

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WE ARE EXPERIENCED TAX PROFESSIONALS

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    20+ Years

    Serving Our Community

  • Silhouette illustration of four people with different hairstyles, shown in profile, facing right, in dark blue outlines.

    400+ Clients

    Trusted by Businesses & Families

  • 4.9 Stars

    Top-Rated on Google Reviews

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    Local Experts

    Based in Uniondale, NY

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Our Services

  • We act as your outsourced finance department. From day-to-day bookkeeping and bank reconciliations to monthly reporting, we ensure your financial records are organized, accurate, and audit-ready for year-end.

  • If you have back taxes or disputes with the IRS/NYS, do not face them alone. We specialize in negotiating settlements, Offers in Compromise, and relief programs to resolve your tax debt and remove liens or levies.

  • Don’t wait until April. We provide year-round tax planning and expert tax preparation to identify every deduction and credit available. We ensure full compliance for both business tax returns and complex individual filings.

  • Our audits offer clear, objective financial insight to ensure compliance and build confidence with stakeholders.

  • Strategic financial advice tailored to your goals. Whether you are launching a startup or growing an established company, we help with budgeting, cash flow forecasting, and streamlining your operations to improve profitability.

  • Reliable, full-service payroll solutions for small businesses. We handle paycheck processing, direct deposits, and all W-2/1099 filings, ensuring your team is paid on time and your business stays compliant with payroll tax laws.

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Ready to Upgrade Your Tax Strategy?

Tax season is here. Secure your appointment with NYC and Long Island’s trusted experts and get the financial clarity you deserve.

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