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Active YC Companies

3,365 Y Combinator companies with active status. Browse founder contacts, batch info, and company data.

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YC Company Directory

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Company	Batch	Description	Status	Location	Team	Site	Founders	Reveal
10x Science	W26	The AI-native platform for next-generation protein characterization.	Active	San Francisco, CA, USA	3		David Roberts, Andrew Reiter, Vishnu Tejus	Reveal
1code (21st.dev)	W26	Orchestration layer for coding agents	Active	San Francisco, CA, USA	3		Serafim Korablev, Sergey Bunas	Reveal
Arcline	W26	Startup legal work handled by elite lawyers & same-day turnaround	Active	—	5		Pamir Ehsas, Stefan Mandaric	Reveal
ARC Prize Foundation	W26	AI benchmarks that measure general intelligence and inspire new ideas	Active	—	4		Greg Kamradt	Reveal
Arzule	W26	AI for B2B Partnerships	Active	San Francisco, CA, USA	2		Jeffrey Lin, Nikhil Reddy	Reveal
Asimov	W26	Internet-scale marketplace for robot training data	Active	San Francisco, CA, USA	3		Lyem Ningthou	Reveal
Aurorin CAD	W26	We help hardware companies ship faster	Active	San Francisco, CA, USA	1		Michael Baron	Reveal
AutoSitu	W26	AI-native workspace for municipal development review	Active	—	2		Xuanshu Lin, George Zhai	Reveal
Autumn AI	W26	Stalk your prospects at scale.	Active	San Francisco, CA, USA	2		Shiv Kampani, Vishnu Sampathkumar	Reveal
Avoice	W26	The AI Workspace For Architects	Active	San Francisco, CA, USA	4		Chawin Asavasaetakul, Chawit Asavasaetakul	Reveal
AxionOrbital Space	W26	Foundation models for 24/7 Earth Observation	Active	San Francisco, CA, USA	2		Atharva Peshkar, Dhenenjay Yadav	Reveal
Beacon Health	W26	AI Agents for Primary Care	Active	New York, NY, USA	2		Obinna Akahara, Mark Pothen	Reveal
BeeSafe AI	W26	Stopping Scams Before They Reach Your Customers	Active	San Francisco, CA, USA	3		Ariana Mirian, Daniel Spokoyny, Nikolai Vogler	Reveal
Beyond Reach Labs	W26	Space solar arrays that grow to the size of a football field in orbit	Active	—	2		Pele Collins, Mitchell Fogelson	Reveal
Booko	W26	Dynamic pricing for businesses that sell time slots	Active	San Francisco, CA, USA	2		Will Hall, Arjun Saluja	Reveal
Bubble Lab	W26	Prompt once, automate forever.	Active	—	2		Selina Li, Zach Zhong	Reveal
Burt	W26	Easily fine tune and deploy specialized models	Active	San Francisco, CA, USA	2		Kurt Sharma, Bobby Zhong	Reveal
Button Computer	W26	Button is the wearable AI that can talk.	Active	San Francisco, CA, USA	2		Chris Nolet, Ryan Burgoyne	Reveal
Byteport	W26	Global upload acceleration for 1GB-100TB files.	Active	San Francisco, CA, USA	1		Jayram Palamadai	Reveal
Canary	W26	The first AI QA engineer that understands your codebase	Active	San Francisco, CA, USA	4		Viswesh N G	Reveal
Cardboard	W26	Agentic video editor	Active	San Francisco, CA, USA	2		Saksham Aggarwal, Ishan Sharma	Reveal
Caretta	W26	Realtime AI for Sales Calls	Active	San Francisco, CA, USA	4		Kayra Bahadir, Omar Elamin, Pavlos Markesinis	Reveal
Cascade	W26	Making Autonomous Intelligence Safe & Reliable	Active	San Francisco, CA, USA	2		Adam AlSayyad, Haluk Cem Demirhan	Reveal
CatchBack Cards	W26	a platform for maximizing the thrill of collecting trading cards	Active	San Francisco, CA, USA	2		Sophia Kim, Joseph Zhang	Reveal
CellType	W26	The agentic drug company. We simulate human biology.	Active	New York, NY, USA	2		David van Dijk, Ivan Vrkic	Reveal
Chamber	W26	Autopiloting your AI infrastructure	Active	San Francisco, CA, USA	4		Charles Ding, Andreas Bloomquist, Jason Ong, Shaocheng Wang	Reveal
Chasi	W26	AI Revenue Engine for the Equipment Industry	Active	New York, NY, USA	2		Akash Pavan, Sarman Aulakh	Reveal
Coevolved	W26	Agents for Mortgage Origination	Active	—	2		Alex Li, Athan Zhang	Reveal
Compresr	W26	LLM-native context compression	Active	San Francisco, CA, USA	4		Berke Argin, Kamel Charaf, Oussama Gabouj, Ivan Zakazov	Reveal
CO Condor Energy	W26	Energy system enabling reliable, cheap and sustainable electricity…	Active	—	3	—	Jean Costa de Beauregard, Clément Grivel, Florian Pérocheau	Reveal
Constellation Space	W26	AI for space mission assurance.	Active	Seattle, WA, USA	4		Laith Altarabishi, Raaid Kabir, Kamran Majid, Omeed Tehrani	Reveal
Corelayer	W26	AI on-call engineer that debugs using data	Active	San Francisco, CA, USA	2		Shipra Jha, Mitch Radhuber	Reveal
Corvera	W26	Fully autonomous operations for CPG brands	Active	San Francisco, CA, USA	4		Dirk Breeuwer, Matthew Collins, Christopher Kong	Reveal
Crosslayer Labs	W26	Protect, monitor and defend your Internet presence	Active	San Francisco, CA, USA	3		Henry Birge-Lee, Grace Cimaszewski, Prateek Mittal	Reveal
Crow	W26	Let users control your app through chat	Active	San Francisco, CA, USA	2		Jai Bhatia, Aryan Vij	Reveal
Cumulus Labs	W26	The Optimized GPU Cloud	Active	San Francisco, CA, USA	2		Suryaa Rajinikanth, Veer Shah	Reveal
DAIVIN!	W26	Tankless Dive Gear - Breath Autonomy at Sea, Land & Space	Active	San Francisco, CA, USA	1		Leo Kankkunen	Reveal
Didit	W26	All-in-one identity platform for fast human verification.	Active	San Francisco, CA, USA	12		Alberto Rosas, Alejandro Rosas	Reveal
Ditto Biosciences	W26	Evolutionary therapies for autoimmune disease	Active	San Francisco, CA, USA	3		Adair Borges, Dennis Sun, Emily Weiss	Reveal
DroneTector	W26	Technology to detect and track hostile drones	Active	—	3		Thomas Doherty, Jordina Frances de Mas, Matthew Moore	Reveal
EigenPal	W26	AI Document Workflows for Enterprises	Active	San Francisco, CA, USA	—		Jedrzej Blaszyk, Matej Novak	Reveal
Emdash	W26	Open-source Agentic Development Environment	Active	San Francisco, CA, USA	2		Arne Strickmann, Raban von Spiegel	Reveal
End Close	W26	AI powered reconciliation for high-volume payments companies	Active	San Francisco, CA, USA	2		Sean Bolton, David Newell	Reveal
Fed10	W26	AI agents that replace your policy consultants	Active	San Francisco, CA, USA	3		Armand Iorgulescu, Zayan Islam, Winston Wei	Reveal
Fenrock AI (YC W26)	W26	The most powerful AI agents for Financial Crime Compliance	Active	San Francisco, CA, USA	2		Charu Sharma	Reveal
Fort	W26	Strength Tracking Wearable	Active	—	3		Miranda Nover, Paul Schneider, Zac Valles	Reveal
Forum	W26	The first regulated exchange to trade on attention.	Active	San Francisco, CA, USA	2		Owen Botkin, Joseph Thomas	Reveal
FullSeam	W26	FullSeam is an AI employee for finance and accounting teams.	Active	—	3		Aaron Coppa, Thomas Dowling, Geoff Segal	Reveal
FullSeam	W26	FullSeam is an AI employee for finance and accounting teams.	Active	—	3		Aaron Coppa, Thomas Dowling, Geoff Segal	Reveal
Monzo Bank	—	A bank as smart as your phone.	Active	London, UK	2450		Tom Blomfield	Reveal