Founded in 2017, Atrium aims to solve common problems faced by startups when accessing legal services, such as unpredictable pricing and response times. They offer services like legal advisory, contracts review, and compliance of employment-law through a subscription and project-based model. Atrium has received $75.5 million in funding and is trusted by over 400 startups. They are headquartered in San Francisco, California and are backed by investors like Andreessen Horowitz and Y Combinator.