Form 990

Ensure Compliance and Transparency with Expert Form 990 Preparation and Filing

At Presti & Naegele, we specialize in the accurate, timely, and strategic preparation of Form 990—a critical document required for nonprofit organizations to maintain tax-exempt status and build donor confidence. Whether you’re managing a growing nonprofit, foundation, or charitable trust, our expert team ensures your Form 990 is not only compliant with the IRS but strategically aligned to communicate your mission and financial stewardship.

What Is Form 990 Used For?

Form 990 is used by tax-exempt organizations, nonexempt charitable trusts, and section 527 political organizations to provide the IRS with an overview of their financial and operational information. But beyond regulatory compliance, Form 990 plays a key role in public transparency, donor trust, and organizational credibility. It offers insight into your nonprofit's mission, governance, programs, and use of funds.


At Presti & Naegele, we ensure your Form 990 communicates the full story of your impact—clearly, accurately, and confidently.

Comprehensive Form 990 Services Include:

Full preparation and electronic filing of Form 990, 990-EZ, and 990-PF


  • Guidance on Form 990 instructions to ensure complete, accurate submissions
  • Assistance with complex Form 990 schedules like:
  • Schedule A: Public Charity Status and Public Support
  • Schedule B: Schedule of Contributors
  • Schedule C, D, G, and more as applicable
  • In-depth review to ensure compliance with Form 990 filing requirements


Year-round advisory support for nonprofit accounting, transparency, and governance

40+ years of celebrating the power of philanthropy by supporting our clients and their vital initiatives.

Who Must File a 990 with the IRS?

Most tax-exempt organizations are required to file some version of Form 990 with the IRS annually. This includes:


  • Charitable organizations
  • Private foundations
  • Religious organizations (in some cases)
  • Political organizations and action committees



Our team helps determine the correct filing type for your organization and ensures you're meeting every IRS expectation by your Form 990 due date.

More Than Compliance: Strategic, Long-Term Benefits

When you partner with Presti & Naegele for your nonprofit tax needs, you're getting more than a routine filing service. You're gaining:

  • Donor trust through public transparency
  • Grant eligibility with properly reported financial data
  • Board and stakeholder clarity with clean, detailed reporting
  • Avoidance of penalties by meeting IRS filing deadlines and requirements
  • Peace of mind knowing every figure and footnote is handled by expert nonprofit accountants

Who Completes the IRS Form 990?

While some organizations attempt to handle Form 990 in-house, the truth is this form is one of the most complex and sensitive tax documents a nonprofit will ever file. At Presti & Naegele, our team of experienced CPAs, tax professionals, and nonprofit specialists complete your IRS Form 990 with precision, ensuring both technical accuracy and mission-driven messaging. We work with:



  • Nonprofit Executive Directors
  • CFOs and Controllers
  • Board Members
  • Development Teams
  • Grantmakers and Advisors

Why Choose Presti & Naegele for Form 990 Filing?

Not all accounting firms are created equal. Presti & Naegele stands out for our:



  • 40+ years of experience in complex tax filings and nonprofit compliance
  • A team of 60+ skilled professionals, including CPAs, MBAs, and tax experts
  • Deep expertise across Form 990 instructions, schedules, and exceptions
  • Tailored, white-glove support with multi-office accessibility across New York, Stamford, and Long Island
  • A track record of serving mission-driven organizations with integrity and excellence


We don’t just file your 990—we help you use it as a tool for growth, visibility, and compliance.

What Happens If a Nonprofit Does Not File Form 990?

Failure to file Form 990 for three consecutive years can result in automatic revocation of your organization’s tax-exempt status. Even a single missed deadline can trigger penalties and loss of donor confidence.



We make sure that never happens. Presti & Naegele provides deadline tracking, proactive notifications, and ongoing support to keep your organization in good standing—year after year.

The Ongoing Benefits of Partnering with Presti & Naegele

Long after your Form 990 is filed, you’ll continue to reap the rewards of our services:



  • Year-round access to our team for tax strategy and nonprofit accounting
  • Improved internal controls and fiscal clarity
  • Enhanced donor relations with transparent financial reporting
  • Increased confidence for your board, team, and funders
  • Protection from IRS audits and penalties

Serving Clients Nationwide

Frequently Asked Questions (FAQs)

  • 1. What are the Form 990 filing requirements for nonprofits?

    Most tax-exempt organizations with gross receipts of $200,000 or assets of $500,000 must file Form 990. Smaller organizations may file Form 990-EZ or 990-N. Presti & Naegele evaluates your exact circumstances and ensures compliance with the latest Form 990 filing requirements.

  • 2. When is the Form 990 due date?

    Form 990 is typically due on the 15th day of the 5th month after your organization’s fiscal year ends. For example, if your fiscal year ends December 31, your Form 990 due date is May 15. We track your deadlines and handle all necessary extensions to ensure timely filing.

  • 3. What is Form 990 Schedule A and who needs it?

    Schedule A provides information on your organization’s public charity status and public support. It's required for most organizations that file Form 990 or 990-EZ. Presti & Naegele ensures your Schedule A is completed with accuracy, protecting your public charity designation.

  • 4. What is reported on Form 990 Schedule B?

    Schedule B lists major donors who contribute above IRS-defined thresholds. Depending on the organization, donor names may need to be disclosed. We help you navigate privacy concerns and compliance around Schedule B.

  • 5. Can Presti & Naegele help us with prior year corrections or amended Form 990 filings?

    Absolutely. Whether you're correcting previous filings or responding to IRS inquiries, our team is well-versed in amended Form 990 procedures and ready to help resolve any issues quickly and correctly.

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