Legal

Atrium

Website

Atrium is a new kind of law firm. We serve the startup community in ways our clients want to be served. We are organized like a modern business. We incentivize our team’s creativity and productivity through good management, not the billable hour. We build software to drive efficiency and transparency in our work. We achieve these differences throug

Overview

Atrium is a new kind of law firm. We serve the startup community in ways our clients want to be served. We are organized like a modern business. We incentivize our team’s creativity and productivity through good management, not the billable hour. We build software to drive efficiency and transparency in our work. We achieve these differences through a technology and operations platform called Atrium LTS, which we co-founded with leading serial entrepreneurs and software developers who share our vision to fix the corporate legal practice.

Please find open jobs here: https://www.atrium.co/careers/

Company description As recorded 2026-11-08

Founders & team

Justin Kan

Founder/CEO

Justin Kan is the CEO and co-founder of Atrium, a technology company and corporate law firm providing fast, transparent, and price-predictable business and legal services to startups. As a founder of multiple companies and an investor in hundreds more, Justin involuntarily became a power user of corporate legal services. Prior to Atrium, Justin was Founder of Twitch, Exec and Justin.tv.

Founder profile As recorded 2026-09-15
180team members reported
Source-reported As recorded 2026-09-15

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The source reports an inactive or acquired company; current product identity needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced people