Company Overview
Company Name
Mason LLP
Address
5335 Wisconsin Ave NW #640, Washington, DC, 20015, United States
Website
masonllp.comPhone
(202) 429-2290Approx. Annual Revenue
$12.0M
Employees
40
Established
2020
Google Reviews
4.0 (147 reviews)
About Mason LLP
Mason LLP is a law firm based in Washington, DC that represents plaintiffs in mass arbitration cases nationwide. With approximately 2 employees and established in 2020, the firm has successfully recovered over $1 billion for its clients, leveraging decades of experience to level the playing field against large companies.
Business Profile
Read from the Mason LLP website on Oct 22, 2026. Hover an item to see the exact wording it came from.
About the website
- Website quality (AI-assessed)
- 8/10 · Current news and cases listed; Contact form and phone provided
- Footer copyright year
- 2022
Mason LLP is hiring
Open roles listed on their website as of Oct 22, 2026.
- Associate Attorney
Hiring in: Legal
View careers page →Recent changes
What changed on the Mason LLP website and Google listing, as detected by Coldlytics on each visit.
Started advertising open roles
Associate Attorney
Estimated revenue band moved from $5M-10M to $10M-25M
Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.
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Frequently Asked Questions about Mason LLP
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Key Decision Makers
Gary Mason Owner