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

1,028 Profile Views

Tom Abbott

Feb 02, 2026

The absolute best in Washington for Energy Law - and I mean that from the bottom of my heart

I was really stressed about my case in Washington, but Shannon E. O'Neil made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every de...

Lillie Lueilwitz-Ondricka

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...

Cody Kunze

Feb 02, 2026

Shannon E. O'Neil did a great job handling my complex Energy Law case from start to finish

I've worked with a few lawyers in Washington over the years, but Shannon E. O'Neil stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times. I...

Mildred Keeling

Feb 02, 2026

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

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...

Chelsea Rippin

Feb 02, 2026

The absolute best in Washington for Energy Law - and I mean that from the bottom of my heart

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...