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Atrium

DefunctYC W18

San Francisco, US · 180 employees · 41 known investors

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Atrium provides legal services to startups through a technology-enabled platform that replaces traditional hourly billing with performance-based compensation and software tools designed to increase operational transparency and efficiency.

Also known as Atrium Legal Technology Services, Inc.

Enterprise SoftwareLegalTechUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W18)

JKJustin Kan
Justin KanCEOJustin Kan founded Twitch and Justin.tv, and later co-founded Atrium, a legal services platform for startups. He has experience as a startup founder and investor.
AN
Anton NadtochiyFounder
D
DanielFounder
G
GerryFounder
K
KevinFounder
VB
Vera ButkoFounder
DRDaniel Rhodes
Daniel RhodesEngineering ManagerFounder at Treehouse
JGJon Goldsmith
Jon GoldsmithProduct ManagerFounder at Tetra
JJ
Jenny Jongejan
TDTim Dingman
Tim DingmanHead of Accounts2018–2019Founder/COO at Castle
EL
Eric LiuSpecial Projects2018–2019
CSChris Smoak
Chris SmoakCTOformerInvestor at Whoa I Lp, By: Whoa Ventures

Investors · 41

500 GlobalreportedPalo Alto · $150K

How we know: Y Combinator's founder network · Not right? Tell us

Agrolimen Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

AirTree VenturesreportedSydney · $132K – $16.5M

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Amino CapitalreportedPalo Alto · $100K – $10M

How we know: Y Combinator's founder network · Not right? Tell us

Andreessen HorowitzreportedMenlo Park · $500K – $50M

How we know: company funding news (hacker news) · techcrunch.com · Y Combinator's founder network · Not right? Tell us

Andrew ChenreportedVenice · $1M

How we know: Y Combinator's founder network · Not right? Tell us

Arena VenturesreportedVenice

How we know: Y Combinator's founder network · Not right? Tell us

Avlok CapitalreportedLynnwood

How we know: Y Combinator's founder network · Not right? Tell us

BEENEXTreportedSingapore

How we know: Y Combinator's founder network · Not right? Tell us

BINARY CAPITALreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

BoxGroupreportedNew York · $250K – $1M

How we know: Y Combinator's founder network · Not right? Tell us

Brainchild Holdingsreported

How we know: Y Combinator's founder network · Not right? Tell us

Buckley Ventures Management Company LlcreportedNew York · $300K

How we know: Y Combinator's founder network · Not right? Tell us

Bullpen CapitalreportedSan Francisco · $2M – $4M

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Caffeinated CapitalreportedSan Francisco · $3M – $50M

How we know: Y Combinator's founder network · Not right? Tell us

DST GlobalreportedGeorge Town, Grand Cayman

How we know: Y Combinator's founder network · Not right? Tell us

First Round CapitalreportedSan Francisco · $100K – $20M

How we know: Y Combinator's founder network · Not right? Tell us

Founders FundreportedSan Francisco · $500K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

General CatalystreportedSan Francisco · $30M

How we know: techcrunch.com · Y Combinator's founder network · Not right? Tell us

GreenoaksreportedSan Francisco · $1M – $50M

How we know: Y Combinator's founder network · Not right? Tell us

Greylock PartnersreportedSan Francisco · $100K – $10M

How we know: Y Combinator's founder network · Not right? Tell us

Initialized CapitalreportedSan Francisco · $1M – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Jackson Square VenturesreportedSan Francisco · $1M – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Kindred VenturesreportedSan Francisco · $250K – $2M

How we know: Y Combinator's founder network · Not right? Tell us

Liquid VenturesreportedSan Francisco · $250K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

New Enterprise Associates (NEA)reportedMenlo Park · $200K – $40M

How we know: Y Combinator's founder network · Not right? Tell us

Notable CapitalreportedSilicon Valley · $5M – $50M

How we know: Y Combinator's founder network · Not right? Tell us

Palm Drive CapitalreportedNew York · $500K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

S2 CapitalreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

Sam Altmanreported

How we know: Y Combinator's founder network · Not right? Tell us

Signia Venture PartnersreportedMenlo Park · $500K – $2M

How we know: Y Combinator's founder network · Not right? Tell us

Slow VenturesreportedSan Francisco · $50K – $1M

How we know: Y Combinator's founder network · Not right? Tell us

Soma CapitalreportedSacramento · $100K – $300K

How we know: Y Combinator's founder network · Not right? Tell us

Sound VenturesreportedSanta Monica

How we know: techcrunch.com · Y Combinator's founder network · Not right? Tell us

Stanford UniversityreportedStanford

How we know: Y Combinator's founder network · Not right? Tell us

Struck CapitalreportedSanta Monica · $500K – $2M

How we know: Y Combinator's founder network · Not right? Tell us

SV AngelreportedSan Francisco · $150K – $20M

How we know: Y Combinator's founder network · Not right? Tell us

Tekton VenturesreportedSan Francisco · $100K – $1M

How we know: Y Combinator's founder network · Not right? Tell us

Thrive CapitalreportedNew York · $500K – $25M

How we know: Y Combinator's founder network · Not right? Tell us

Also in the syndicate · 1

YC's Continuity Fund

Funding

SEC filings, press & company announcements

$65M disclosed across 1 round · 2018

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

3 people who came through Atrium went on to found or lead other companies.

Justin KanCEOFounded Stash +5Tim DingmanHead of AccountsFounded Castle +1Chris SmoakCTOFounded Anchor Health +1

Related companies · 5

Product HuntProduct Hunt runs an online platform where users submit, browse, vote on, and comment on new tech products such as mobile apps, websites, and hardware projects. It serves technology enthusiasts, product creators, investors, and journalists, giving them a community to discover and discuss the latest launches.
LoopsLoops builds an email platform designed for software companies to manage customer communication and engagement.
LeversLevers is a B2B finance software platform that modernizes accounts receivable processes and financial operations for businesses. The platform simplifies workflows and improves interactions between financial teams and stakeholders.
PulleyPulley is a cap table and equity management platform for founders and finance leaders to manage ownership, tokens, and stakeholders from seed stage to scale. The platform handles dilution modeling, compliance, SAFE agreements, and liquidity events for growing companies.
Draft The RecordDraft The Record uses AI to generate court transcripts and assist with legal research and trial preparation, serving attorneys, court reporters, and transcribers across depositions, trials, and other judicial proceedings. The platform reduces transcript turnaround time and trial preparation workflows through automated transcription and document analysis.

Companies working in the same space as Atrium.

Legal entities · 1

corporate structure
Atrium Legal Technology Services, Inc.

In the news

Atrium raises $65M from A16z to replace lawyers with machine learningtechcrunch.com · Sep 2018Justin Kan’s Atrium is starting a boot camp to help founders raise moneytechcrunch.com · Dec 2017

Frequently asked questions

What does Atrium do?
Atrium provides legal services to startups through a technology-enabled platform that replaces traditional hourly billing with performance-based compensation and software tools designed to increase operational transparency and efficiency.
Who founded Atrium?
Atrium was founded by Justin Kan.
Who are Atrium's investors?
Atrium's investors include Y Combinator, 500 Global, Agrolimen Ventures, AirTree Ventures, Amino Capital, Andreessen Horowitz, Andrew Chen, Arena Ventures and 32 more.
How much funding has Atrium raised?
Atrium has disclosed $65M raised across 1 round.
Where is Atrium headquartered?
Atrium is headquartered in San Francisco, US.