Shannon E. O'Neil

4.4 (34 reviews )

Washington District of Columbia United States

Energy Law

Recognized in Ones to Watch since 2024

202-973-4200 Website

About Shannon

Shannon E. O'Neil is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law.Shannon E., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shannon E. is held by other top lawyers in the same geographic and legal practice area.

Shannon E. O'Neil is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law.

Shannon E., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shannon E. is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Energy Law

Education

The University of North Carolina at Chapel Hill

Awards & Recognition

Recognized: Energy Law

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Reviews

4.4 / 5

34 Reviews

1,026 Profile Views

Ernesto Dooley

Feb 02, 2026

Great people who truly care at Shannon E. O'Neil - the best legal team in District of Columbia

Just wanted to say a huge thanks to Shannon E. O'Neil and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...

Holly Bauch

Feb 02, 2026

Outstanding experience with Shannon E. O'Neil in Washington - truly the best legal team

Honestly, I can't thank Shannon E. O'Neil enough for everything they've done for me. They really know their stuff when it comes to Energy Law and it shows in the results. 10/10 would recommend to anyo...

Leroy Dare

Feb 02, 2026

Great people who truly care at Shannon E. O'Neil - the best legal team in District of Columbia

Ron Baumbach-Waelchi

Feb 02, 2026

So glad I called Shannon E. O'Neil to handle my Energy Law case in Washington

Shannon E. O'Neil has been doing this since 2024, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal matters in District of Columbia...

Darlene Murazik

Feb 02, 2026

A honest review of my experience with Shannon E. O'Neil regarding a Energy Law matter

I don't usually write reviews, but the help I got from Shannon E. O'Neil during my Energy Law case in District of Columbia deserves to be shared. It was a messy situation, and I was getting nowhere on...