Williams Mullen

1666 K St Nw
Ste 1200
Washington, VA 20006-2803

Partner, Construction

Contact: Brian Cashmere


Partner, Banking

Partner, Trusts and Estates

Partner, Intellectual Property

Company Established In




AmLaw 200


Attorneys / Legal Services //

Attorneys / Legal Services

Professional Services //

Government Affairs

Real Estate //

Consulting / Legal Services

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Williams Mullen is a regionally based, full-service law firm with more than 230 attorneys in offices throughout the mid-Atlantic region, including in Tysons and Washington D.C. Our Tysons and D.C. attorneys focus on industries that are critical to our region, including government contracts, construction, intellectual property, cybersecurity, unmanned systems, international tax, energy, banking, international trade and export controls.

As an Am Law 200 firm and an active member of global law networks such as TagLaw and The Bridge Group, our clients find that they increasingly come to us for their legal needs throughout the United States and internationally. They tell us they appreciate our big firm capabilities and experience without the big firm rates.

Our clients have peace of mind knowing we are responsive and act with a sense of urgency in today’s fast-moving business environment. We are committed to being clear, concise and transparent in our communications. We believe in being fair in the delivery of our services from pricing to scope of work to billing practices. And lastly, we make sure that we bring a team together that is excited to understand you and your business. This is our pledge to all clients.

At Williams Mullen, we don’t have offices located around the world, but we proudly offer the same quality of work that, combined with consistently excellent client service, creates a better value for our clients.

Together, we work each day on Finding Yes®.