San Francisco

YC Companies in San Francisco

2,672 Y Combinator startups based in San Francisco with verified founder contacts and company data.

2,672

Companies

San Francisco

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YC Company Directory

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Company	Batch	Description	Status	Location	Team	Site	Founders	Reveal
Adventurous Co	W19	Disney meets Airbnb Experiences	Inactive	San Francisco, CA, USA	2		Jeany Ngo, Brian Schulman	Reveal
AI Insurance	W19	AI Insurance is the platform that runs insurance companies	Active	San Francisco, CA, USA	16		Cameron MacArthur	Reveal
Alpaca	W19	API-first stock and crypto brokerage platform	Active	San Francisco, CA, USA; San Mateo, CA, USA; Remote	150		Yoshi Yokokawa, Hitoshi Harada	Reveal
AmpUp	W19	We make EV charging as simple and reliable as LED lights	Active	San Francisco, CA, USA; Cupertino, CA, USA	45		Thomas Sun	Reveal
Ashby	W19	All-in-one recruiting platform that empowers hiring excellence in…	Active	San Francisco, CA, USA	110		Benjamin Encz, Abhik Pramanik	Reveal
Ashby	W19	All-in-one recruiting platform that empowers hiring excellence in…	Active	San Francisco, CA, USA; Remote	110		Benjamin Encz, Abhik Pramanik	Reveal
Hyper Online	S20	Social avatar platform for VTubers	Inactive	San Francisco, CA, USA	7		Aaron Ng	Reveal
Jam.gg (formerly Piepacker)	S20	Jam.gg, play couch games online with friends	Inactive	San Francisco, CA, USA; Remote	—		Benjamin Devienne, Jules Testard	Reveal
Jitsu	S20	Capture Event Data into Your Stack	Active	San Francisco, CA, USA	4		Vladimir Klimontovich	Reveal
Lendtable	S20	We give employees cash advances for their 401k match and ESPP	Active	San Francisco, CA, USA	20		Sheridan Clayborne, Mitchell Jones	Reveal
Luminai	S20	Luminai helps automate repetitive manual work away from your mission…	Active	San Francisco, CA, USA	31		Kesava Kirupa Dinakaran	Reveal
Luminai	S20	Luminai helps automate repetitive manual work away from your mission…	Active	San Francisco, CA, USA	31		Kesava Kirupa Dinakaran, Kesava Kirupa Dinakaran	Reveal
Matter	S20	Building the future of reading	Active	San Francisco, CA, USA; Remote	7		Ben Springwater, Robert Mackenzie	Reveal
Mesh	S20	Performance management platform that fits the way you work	Active	San Francisco, CA, USA; San Jose, CA, USA; Remote	50		Saurabh Nangia, Gaurav Chaubey, Rahul Singh	Reveal
Metamanagement	S20	We help SaaS companies deploy into their customer's environment.	Inactive	San Francisco, CA, USA	1		Nikhil Bhargava	Reveal
Mobius Materials	S20	The spot market for semiconductors	Active	San Francisco, CA, USA	6		Margaret Upshur	Reveal
Mobius Materials	S20	The spot market for semiconductors	Active	San Francisco, CA, USA	6		Margaret Upshur	Reveal
Momence	S20	Scheduling and payments for experiences	Acquired	San Francisco, CA, USA; Remote	75		Vojta Drmota, Matteo Carroll	Reveal
Mozart Data	S20	The easiest way to set up a modern data stack	Active	San Francisco, CA, USA	24		Peter Fishman, Dan Silberman	Reveal
Mozart Data	S20	The easiest way to set up a modern data stack	Active	San Francisco, CA, USA	24		Peter Fishman, Dan Silberman	Reveal
OP Openbase	S20	Open-source library discovery	Inactive	San Francisco, CA, USA	0	—	Lior Grossman	Reveal
Osmind	S20	Platform for breakthrough mental health research and treatment	Active	San Francisco, CA, USA	55		Lucia Huang, Jimmy Qian	Reveal
Pardes Biosciences	S20	We break viruses	Public	San Francisco, CA, USA; Remote	2		Uri Lopatin	Reveal
Pardes Biosciences	S20	We break viruses	Public	San Francisco, CA, USA	2		Uri Lopatin	Reveal
Pave	S20	Plan, communicate, and benchmark your compensation in real-time.	Active	San Francisco, CA, USA	170		Matt Schulman	Reveal
Rarebird	S20	Elevating mental health to be a part of your daily coffee ritual.	Active	San Francisco, CA, USA; San Leandro, CA, USA	5		Jeffrey Dietrich	Reveal
Ready	S20	Collaborative platform for optimizing regulated utilities such as…	Active	San Francisco, CA, USA; Remote	60		Jase Wilson, Mike Faloon	Reveal
Recurrency	S20	Automated ERP for distributors.	Active	San Francisco, CA, USA	50		Sam Oshay	Reveal
Recurrency	S20	Automated ERP for distributors.	Active	San Francisco, CA, USA; Los Angeles, CA, USA	50		Sam Oshay	Reveal
Response	S20	Turn customer emails into ERP-ready orders.	Active	San Francisco, CA, USA	8		Keivan Shahida, Kais Baillargeon	Reveal
Roboflow	S20	🖼️ Give your software the sense of sight.	Active	San Francisco, CA, USA	100		Joseph Nelson, Brad Dwyer	Reveal
SafeBase	S20	Trust Center platform that scales customer security reviews	Acquired	San Francisco, CA, USA; Remote	60		Al Yang, Adar Arnon	Reveal
SafeBase	S20	Trust Center platform that scales customer security reviews	Acquired	San Francisco, CA, USA	60		Al Yang, Adar Arnon	Reveal
Safepay	S20	Digital payments for businesses in Pakistan	Active	San Francisco, CA, USA	4		Ziyad Parekh	Reveal
Seam	S20	API for IoT Devices	Active	San Francisco, CA, USA	25		Dawn Ho, Sy Bohy	Reveal
SockSoho	S20	Building world's largest men fashion brand powered by technology	Active	San Francisco, CA, USA	22		Simarpreet Singh, Pritika Mehta	Reveal
Sonar	S20	Minecraft meets Discord	Inactive	San Francisco, CA, USA	4		Benjamin South Lee, Leo Cho, Randolph Lee	Reveal
Supabase	S20	Build in a weekend. Scale to millions.	Active	San Francisco, CA, USA; Remote	120		Paul Copplestone, Ant Wilson	Reveal
SuperTokens	S20	Open source alternative to Auth0 / AWS Cognito / Firebase Auth	Active	San Francisco, CA, USA	10		Advait Ruia	Reveal
Swif.ai	S20	Manage every device. Govern every AI agent.	Active	San Francisco, CA, USA	20		Angelo (KC) Huang, Angelo Huang	Reveal
TANGObuilder	S20	TANGObuilder automates structural engineers jobs.	Inactive	San Francisco, CA, USA	9		Martin Diz, Juan Aleman	Reveal
Unfaze AI	S20	Create stunning product images and short-form promotional videos 10x…	Inactive	San Francisco, CA, USA	7		Soumil Singh, Dhruv Gupta	Reveal
Vectrix	S20	Scan your SaaS apps and instantly identify security issues	Acquired	San Francisco, CA, USA	7		Corey Mahan, Alex Dunbrack, Matthew Lewis	Reveal
Verifiable	S20	API for healthcare compliance	Active	San Francisco, CA, USA; Remote	12		Nick Macario, Viv Rajkumar, Nicholas Macario	Reveal
Warmly,	S20	Autonomous sales platform to auto-email your warmest leads	Active	San Francisco, CA, USA	60		Max Greenwald, Carina Boo, Alan Zhao	Reveal
Warmly,	S20	[Acquired by HubSpot in 2026] Autonomous sales platform to auto-email…	Acquired	San Francisco, CA, USA; Remote	60		Max Greenwald, Carina Boo, Alan Zhao	Reveal
WO Workbase	S20	Data & workflow platform for B2B account teams	Acquired	San Francisco, CA, USA	—	—	John Tan, Ed Parsons	Reveal
Zip	S20	The future of B2B spend	Active	San Francisco, CA, USA	500		Rujul Zaparde, Lu Cheng	Reveal
Zitara Technologies, Inc.	S20	Predictive battery management software for electrified fleets	Active	San Francisco, CA, USA	33		Shyam Srinivasan, Evan Murphy	Reveal
Zuddl	S20	Zuddl is a modular platform for events and webinars that helps event…	Active	San Francisco, CA, USA; TS, India; Remote	120		Bharath Varma, Vedha Sayyaparaju	Reveal