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

Location

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Freestyle	S24	We run and deploy code your AI wrote	Active	San Francisco, CA, USA	5	Bۙۚۨ۫ۙۚۨ۫ۙۚۨ۫ۙۚۨ۫enjamin Swerdlow, Jacob Zwang	Reveal
Freestyle	S24	We run and deploy code your AI wrote	Active	San Francisco, CA, USA	5	Benjamin Swerdlow, Jacob Zwang	Reveal
Gauge	S24	Gauge helps you get recommended and implemented by agents.	Active	San Francisco, CA, USA	5	Caelean Barnes, Evan Doyle	Reveal
Helium	S24	Self Improving Software	Active	San Francisco, CA, USA	7	Zach Witzel, Shishir Jakati, Anish Doshi	Reveal
HeroUI	S24	The UI framework for AI agents and developers to build beautiful apps.	Active	San Francisco, CA, USA	5	Junior Garcia	Reveal
Hestus, Inc.	S24	An AI-powered CAD software	Active	San Francisco, CA, USA	3	Sohrab Haghighat, Kevin Chu	Reveal
Hey Revia	S24	Voice AI to automate complex phone calls for healthcare providers	Acquired	San Francisco, CA, USA	4	Shaun Wei, David (Wenbo) Zhu, David (Wenbo) Zhu	Reveal
Hyrex	S24	The COLD Task Framework	Active	San Francisco, CA, USA	3	Mark Dawson, Trevor Reed	Reveal
Intryc	S24	Intryc uses AI to automate quality assurance for customer support	Active	San Francisco, CA, USA; Remote	14	Alex Marantelos, Dimitrios Ilias, George Pastakas	Reveal
Kastle	S24	AI employee for consumer lending	Active	San Francisco, CA, USA	10	Rishi Choudhary, Nitish Poddar	Reveal
Kenley	S24	AI Agents for Advisory & Financial Services.	Active	San Francisco, CA, USA	6	Bolu Ben-Adeola, Noah Öhrner	Reveal
Kontigo	S24	USDC-Smart Neobank for Latinos.	Active	San Francisco, CA, USA	10	jesus alberto Castillo ferrer, Gino Guatavita	Reveal
Kopra Bio	S24	Genetically engineered viruses that teach your immune system to kill…	Active	San Francisco, CA, USA	2	Alexander Haddad, Andrew Bartynski	Reveal
Laminar	S24	Understand why your AI agent breaks. Iterate fast to fix it.	Active	San Francisco, CA, USA	6	Robert Kim, Din Mailibay	Reveal
LedgerUp	S24	AI agents that handles complex billing and revenue	Active	San Francisco, CA, USA	5	Bailey Spell	Reveal
Leviathan	S24	AI Wikipedia	Active	San Francisco, CA, USA	1	Sam Crombie	Reveal
Ligo Biosciences	S24	Enzyme design models.	Active	San Francisco, CA, USA	4	Edward Harris, Emily Egerton-Warburton, Arda Goreci	Reveal
Ligo Biosciences	S24	Enzyme design models.	Active	San Francisco, CA, USA	4	Edward Harris, Emily Egerton-Warburton, Arda Goreci	Reveal
Lore	S24	Transform your iMessage conversations into shareable stories	Active	San Francisco, CA, USA	2	Terrell Marshall, Aditya Nadkarni	Reveal
Lumenary	S24	Build working software exceedingly fast in Solar	Active	San Francisco, CA, USA	3	Vivek Hazari, Daniel DiPietro, John McCambridge	Reveal
Mage Legal	S24	Automatic AI Legal Diligence	Active	San Francisco, CA, USA	2	Raffi Isanians	Reveal
MagiCode	S24	A Reliable AI Frontend Engineer	Active	San Francisco, CA, USA	3	Jeff He, Anirudh Sriram	Reveal
Manaflow	S24	Open source applied AI lab building next-gen devtools	Active	San Francisco, CA, USA	3	Austin Wang, Lawrence Chen	Reveal
Manaflow	S24	Building interfaces for managing AI coding agents to do good work	Active	San Francisco, CA, USA	2	Austin Wang, Lawrence Chen	Reveal
mdhub	S24	AI-native operating system for behavioral health clinics.	Active	San Francisco, CA, USA	15	Dominik Middelmann, Efren A. Lamolda	Reveal
Mem0	S24	The Memory layer for AI Agents	Active	San Francisco, CA, USA	10	Taranjeet Singh, Deshraj Yadav	Reveal
Mica AI	S24	Replace the humans fixing bad data	Active	San Francisco, CA, USA	3	Achyuta Iyengar, Bharadwaj Swaminathan, Jai Yarlagadda	Reveal
Midship	S24	AI for SOX testing	Acquired	San Francisco, CA, USA	3	Kieran Taylor, Aahel Iyer, Max Maio	Reveal
Mineflow	S24	Mineflow predicts the shape and location of mineral deposits	Active	San Francisco, CA, USA	2	Ryan Goggins	Reveal
MinusX	S24	Open source agentic BI for founders	Active	San Francisco, CA, USA	2	Vivek Aithal, Sreejith Puthanpurayil, Arpit Saxena	Reveal
Miru	S24	Config Management for Robotics	Active	San Francisco, CA, USA	3	Armel Talla, Vedant Nair, Benjamin Smidt	Reveal
Mito Health	S24	At-cost lab testing marketplace that profits when you test less	Active	San Francisco, CA, USA	5	Joel Kek, Kenneth Lou	Reveal
Moreta	S24	Payments made easy for international travelers.	Active	San Francisco, CA, USA	4	Walid Mahd, Sam Yu	Reveal
NetworkOcean	S24	We build and operate underwater data centers.	Active	San Francisco, CA, USA	4	Sam Mendel, Eric Kim	Reveal
Odo	S24	Your email assistant because you deserve a better morning	Active	San Francisco, CA, USA	2	Yooni Ahn, Andrew Wagner	Reveal
Opslane	S24	Verify AI-generated code before you ship it	Active	San Francisco, CA, USA	1	Abhishek Ray	Reveal
Outerport	S24	EDA for Industrial Control Systems	Active	San Francisco, CA, USA	4	Towaki Takikawa, Allen Wang	Reveal
Overlap	S24	Multimodal AI agents for video	Active	San Francisco, CA, USA	6	Jonathan Baer, Casey Traina	Reveal
Overlap	S24	Multimodal AI agents for video	Active	San Francisco, CA, USA	6	Jonathan Baer, Casey Traina	Reveal
Oway	S24	AI Infrastructure for America’s Empty Truck Space	Active	San Francisco, CA, USA	10	Phillip Nadjafov	Reveal
Oway	S24	Turning America’s supply chain inefficiency into infrastructure.	Active	San Francisco, CA, USA	16	Phillip Nadjafov	Reveal
Palmier	S24	From idea to cinematic videos in seconds	Active	San Francisco, CA, USA	2	Marcos Rico Peng, Harrison Tin	Reveal
Palmier	S24	Video editor built for AI	Active	San Francisco, CA, USA	2	Marcos Rico Peng, Harrison Tin	Reveal
Panora	S24	Turning messy inboxes into ERP-Ready Data	Active	San Francisco, CA, USA	1	Rachid Flih	Reveal
pap!	S24	Agents that earn consumers dollars when they shop, travel, and live.	Active	San Francisco, CA, USA	3	Kamal Nahas, Anthony Rassi, Weijie Wang	Reveal
Parahelp	S24	Build an AI support agent that securely uses all your tools	Active	San Francisco, CA, USA	11	Anker Ryhl, Mads Liechti, Anker Bach Ryhl	Reveal
Parley	S24	Automating flat-fee legal work, starting with work visas + green cards	Active	San Francisco, CA, USA	3	Philip Smart, Ian Edwards, Jackson Perry	Reveal
PathPilot	S24	AI Agents for Lending Operations	Active	San Francisco, CA, USA	3	Victor Laguna	Reveal
Pax	S24	AI Broker for Tariff Refunds	Active	San Francisco, CA, USA	10	Penny Chen, Chris Le, Christopher Le	Reveal
Pharos	S24	Helping hospitals identify and prevent avoidable harm using AI	Active	San Francisco, CA, USA	5	Felix Brann, Matthew Jones	Reveal