Mark C. Nielsen

Mark C. Nielsen

Litigation - ERISA
Recognized in Best Attorney USA since 2023

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Reviews

4.6 / 5

31 Reviews

1,045 Profile Views

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Roosevelt Schiller

Jan 28, 2026

Really helpful and compassionate service from everyone at Mark C. Nielsen's firm

Mark C. Nielsen has been doing this since Recognized in Best Lawyers since 2023, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal...

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Victor Rowe

Jan 28, 2026

The absolute best in Washington for Litigation - ERISA law - and I mean that from the bottom of my heart

I didn't think I'd find such a good lawyer in District of Columbia, but here we are and I am thoroughly impressed. Mark C. Nielsen is just awesome and exceeded all my expectations. No complaints at al...

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Morris Effertz

Jan 28, 2026

So glad I called Mark C. Nielsen to handle my Litigation - ERISA law case in Washington

I've already told all my friends and family about Mark C. Nielsen. If you need Litigation - ERISA law help in District of Columbia, they're the ones to see without any doubt. They are local experts wh...

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Cecilia Weissnat

Jan 28, 2026

Excellent legal representation provided by Mark C. Nielsen for my Litigation - ERISA law case

Super helpful and professional staff at Mark C. Nielsen's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal ex...

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Melanie Prosacco

Jan 28, 2026

So glad I called Mark C. Nielsen to handle my Litigation - ERISA law case in Washington

Just wanted to say a huge thanks to Mark C. Nielsen 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 c...