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

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Pinnacle	S24	API & SDK for RCS (the next-generation of texting)	Active	San Francisco, CA, USA	2	Sean Roades, Ivan Zhang	Reveal
Pipeshift	S24	Ultra-low latency inference cloud for real-time workloads	Active	San Francisco, CA, USA	10	Arko C, Enrique Ferrao, Pranav Reddy, Arko Chattopadhyay	Reveal
Planbase	S24	AI workforce management for healthcare	Active	San Francisco, CA, USA	6	Jack Light, Joe Shearman	Reveal
Planbase	S24	AI workforce management for healthcare	Active	San Francisco, CA, USA	4	Jack Light, Joe Shearman	Reveal
Poka Labs	S24	The modern operating system for chemical manufacturing.	Active	San Francisco, CA, USA	3	Andrew Bass, Malay Shah	Reveal
Poka Labs	S24	Helping industrial manufacturers win deals fast, at the right price.	Active	San Francisco, CA, USA	5	Andrew Bass, Malay Shah	Reveal
ProhostAI	S24	AI Property Manager for Airbnb & Short-Term Rental Hosts	Active	San Francisco, CA, USA	5	Bill Ulammandakh, Andrew Lawson	Reveal
Promi	S24	Providing quick product and design feedback via digital twins	Active	San Francisco, CA, USA	2	Peter Moot, Jiaxin Lin	Reveal
Propaya	S24	AI commercial lease abstractions and review	Active	San Francisco, CA, USA	2	Reader Wang, Jake Golas	Reveal
Propaya	S24	AI commercial lease abstractions and review	Active	San Francisco, CA, USA	2	Reader Wang, Jake Golas	Reveal
Proxis	S24	The platform for enterprise AI agent automations, starting with email.	Active	San Francisco, CA, USA	3	Liam Collins	Reveal
Pulse	S24	Production-grade unstructured document extraction	Active	San Francisco, CA, USA	22	Sid Manchkanti, Ritvik Pandey	Reveal
Quetzal	S24	Simple, LLM-first translation and internationalization for software	Active	San Francisco, CA, USA	2	John Thompson, Brendan Agliardo	Reveal
Random Labs	S24	Random labs is building long running autonomous coding agents.	Active	San Francisco, CA, USA	—	Kiran (Random Labs), Mihir Chintawar	Reveal
ReactWise	S24	AI Co-Pilot for Chemical Process Optimization	Active	San Francisco, CA, USA	2	Alexander Pomberger, Daniel Wigh	Reveal
Refactor	S24	Deploying secure and reliable AI agents across healthcare, retail,…	Active	San Francisco, CA, USA	3	Arnav Joshi, Daniel Zamoshchin	Reveal
Remade	S24	AI-native canvas for creative workflows.	Acquired	San Francisco, CA, USA	4	Alex Matthews, Christos Antonopoulos, Blendi Bylygbashi, Rehan Sheikh	Reveal
Remade	S24	AI-native canvas for creative workflows.	Acquired	San Francisco, CA, USA	4	Alex Matthews, Christos Antonopoulos, Blendi Bylygbashi, Rehan Sheikh	Reveal
RentFlow	S24	The first 'Buy Now Pay Later' solution for Commercial Rent	Active	San Francisco, CA, USA	3	Joseph Thalinjan, Alix Maurin	Reveal
RetroFix	S24	Automate any workflow using plain english	Active	San Francisco, CA, USA	2	Isaac Toscano, Daniel Portela	Reveal
Rewbi	S24	A stealth mode startup.	Active	San Francisco, CA, USA	3	Thomas Marge, Derek Modzelewski	Reveal
RiskAngle	S24	AI medical summaries in minutes	Inactive	San Francisco, CA, USA	2	Bill Chen, William Hu	Reveal
RiskAngle	S24	AI medical summaries in minutes	Inactive	San Francisco, CA, USA	2	Bill Chen, William Hu	Reveal
RowBoat Labs	S24	Open-source AI-assisted agent builder	Active	San Francisco, CA, USA	3	Arjun Maheswaran, Ramnique Singh	Reveal
Sage Care	S24	Automating home care agency operations with AI	Active	San Francisco, CA, USA	3	Jon Levinson, Ian Gillis	Reveal
Saldor	S24	Making procurement easy	Active	San Francisco, CA, USA	2	Jacob Bland, Jack Cameron	Reveal
Saphira AI	S24	The Enablement Layer for Physical AI	Active	San Francisco, CA, USA	7	Akshay Chalana, Oscar Avatare	Reveal
Seals AI	S24	AI Employees for Wholesalers & Distributors	Active	San Francisco, CA, USA	4	Luis Mario Garcia, Heber Garza, Javier Gonzalez, Fernando Huerta	Reveal
Seals AI	S24	AI Employees for Wholesalers & Distributors	Active	San Francisco, CA, USA	4	Luis Mario Garcia, Heber Garza, Javier Gonzalez, Fernando Huerta	Reveal
Sepal AI	S24	Data Development for Advanced AI	Acquired	San Francisco, CA, USA	15	Robi Lin, Kat Hu	Reveal
Sepal AI	S24	Data Development for Advanced AI	Acquired	San Francisco, CA, USA	15	Robi Lin, Kat Hu, Fedor Paretsky	Reveal
Simple AI	S24	AI voice that sells	Active	San Francisco, CA, USA	11	Catheryn Li, Zach Kamran	Reveal
Simple AI	S24	AI voice that sells	Active	San Francisco, CA, USA	11	Catheryn Li, Zach Kamran	Reveal
Simplex	S24	AI agents to enroll providers with payors	Active	San Francisco, CA, USA	2	Shreya Karpoor, Marco Nocito	Reveal
Soff	S24	AI Agents for Distributors	Active	San Francisco, CA, USA	6	Berni Hausleitner	Reveal
Sorcerer	S24	Building a nervous system for the atmosphere	Active	San Francisco, CA, USA	4	Austin Tindle, Maxmillion McLaughlin, Alessandro Vecchi	Reveal
Spherecast	S24	AI Supply Chain Manager for CPG	Active	San Francisco, CA, USA	7	Leon Hergert, Paul Dietrich, Pascal Schindler	Reveal
Spur	S24	Spur is your AI QA Engineer. Test your websites with natural language.	Active	San Francisco, CA, USA	8	Sneha Sivakumar, Anushka Nijhawan	Reveal
Stardrift	S24	AI travel planner	Active	San Francisco, CA, USA	3	Leila Clark	Reveal
Sterling Labs, Inc	S24	Currently in stealth - previously FocusBuddy	Active	San Francisco, CA, USA	2	Adnan Sherif, Yash Ramchandani	Reveal
Storia AI	S24	Open source AI copilot that knows your company's code and its context	Active	San Francisco, CA, USA	2	Julia Turc	Reveal
Substrate	S24	Artificial Intelligence for your medical billing team	Active	San Francisco, CA, USA; Remote	2	Inderpal Singh, Ayo Omojola	Reveal
Superunit	S24	Faster, more profitable background checks with AI	Active	San Francisco, CA, USA	2	Peter Marler, Zach Yellin-Flaherty	Reveal
Syntra	S24	Faster healthcare payments	Active	San Francisco, CA, USA	10	Ayush Jain, Aniketh Kolla	Reveal
Syntra	S24	AI chart review for speciality medical clinics.	Active	San Francisco, CA, USA	9	Ayush Jain, Aniketh Kolla	Reveal
Tandem	S24	AI-native office leasing broker	Active	San Francisco, CA, USA	22	Rafi Sands, Sean Miller, Brendan Suh	Reveal
TaxGPT	S24	AI tax assistant for professionals and businesses	Active	San Francisco, CA, USA	45	Kashif Ali, Isabella Maceda-Ali, Isabella Ali	Reveal
TaxGPT	S24	AI tax assistant for professionals and businesses	Active	San Francisco, CA, USA	28	Kashif Ali, Isabella Maceda-Ali	Reveal
TaxGPT	S24	AI tax assistant for professionals and businesses	Active	San Francisco, CA, USA	28	Kashif Ali, Isabella Maceda-Ali	Reveal
Theseus	S24	GPS Denied Navigation for Drones	Active	San Francisco, CA, USA	7	Ian Laffey, Sacha Lévy, Carl Schoeller	Reveal