TYSONS OFFICE
Nonprofit Tax Attorneys Committed to Protecting Your Impact
Stay compliant, secure your funding, and continue making a difference in the communities you serve.
Managing Nonprofit Compliance Isn’t Easy
Unsure how to maintain your tax-exempt status or handle donation reporting?
Facing complex rules around compensation, lobbying, or public accountability?
Need strategic legal help to protect your nonprofit’s future?
Why Choose Gammon & Grange, P.C. as Your Nonprofit Tax Attorney?
Decades of Hands-On Experience: Our attorneys understand the real-world pressures nonprofits face — and how to navigate IRS compliance without disruption.
Solutions That Support Your Mission: We provide legal frameworks that shield your work today and build a strong foundation for tomorrow.
Guarding Your Reputation and Tax-Exempt Status: We handle governance, fundraising rules, and audits with the care your reputation deserves.

Legal Services from a Nonprofit Tax Attorney Who Understands Your Mission
501(c)(3) Formation and Compliance
Donation Reporting and Compliance
Executive Compensation and Employment Tax Guidance
Governance and Risk Management
IRS Audit Support and Damage Control
A Simple Plan for Stronger Compliance
Meet with a Nonprofit Attorney
Tell us about your organization’s goals and concerns.
Get a Custom Compliance Plan
We design a legal strategy that keeps your nonprofit protected and thriving.
Focus on Your Mission, Not Red Tape
We handle the filings, paperwork, and tax complexities — so you can focus on impact.
Safeguard Your Status and Your Mission
From compliance to audits, we’ll walk with you every step of the way. Fill out our online form or call 703-761-5000 to schedule a consultation today.