Intelligent Advocacy
That Moves You Forward

About Us

Hannegan Armstrong LLP partners with businesses, individuals, and families to develop creative legal strategies across business, litigation, and estate planning.

Practice Areas

Business Law & Transactions
Litigation & Dispute Resolution
Estate Planning & Administration

Hannegan Armstrong LLP brings perspective, dedication, and real-world experience.

With deep roots in business, litigation, and estate planning, our attorneys provide strategic counsel shaped by years of hands-on practice and professional leadership.

Business-Minded Legal Insight

Our team brings real-world business and finance experience to every matter—offering strategic guidance that goes beyond legal.

Experienced Litigators

From complex construction disputes to trust litigation, we represent our clients with precision, preparation, and resolve.

Local Roots, Broad Perspective

With deep ties to Southern California and especially Orange County, we are engrained in the legal community and understand local markets.

Holistic, Long-Term Support

Whether you’re building a business, managing an estate, or navigating a dispute, we provide thoughtful legal solutions for every stage of life.

Your legal partner, when it matters most.

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