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Y Combinator
Contact Database

Name: Y Combinator Company Database
Creator: VCbacked
License: https://www.vcbacked.co/terms

Verified cofounder emails for 6,302+ YC companies across 48 batches. Get access before Demo Day.

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6,302+

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596

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YC Company Directory

Showing 250 of 6,302 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
9 Mothers	X26	Counter Drone Systems. $1.6m sales. We delivered for the DoW.	Active	Austin, TX, USA	19	Russell Smith, Roman Khomenko, Bogdan Pyzh	Reveal
AbInitio Bio	X26	The Intelligence layer for Drug Manufacturing	Active	Boston, MA, USA	2	Daniel Mukasa, Nisha Gopal	Reveal
Adialante	X26	Cancer screening without barriers	Active	San Francisco, CA, USA	4	Efrain Torres, Parker Jenkins	Reveal
Advanced Metal Research	X26	Machine intelligence for American Welding	Active	Los Angeles, CA, USA	3	Angus Muffatti, Julian Fried, Stephen Lin	Reveal
AgentPhone	X26	Phone Numbers for AI Agents	Active	San Francisco, CA, USA	2	Manav Modi, Meet Modi	Reveal
AICE	X26	Submarine drones for defense	Active	San Francisco, CA, USA	2	Gregoire Chomette, Rémi Bouteiller	Reveal
Akkari	X26	Autonomous Customer Operations	Active	San Francisco, CA, USA	5	Jeffrey Byun, Henry A. Lee, Michael Moore, Henry Lee	Reveal
Alchemize	X26	Ship more code with confidence	Active	San Francisco, CA, USA	2	Robert Hou, Samuel Fu	Reveal
Allowance	X26	The spend control layer for AI agents	Active	San Francisco, CA, USA	1	Dasmer Singh	Reveal
Amboras	X26	AI Native Shopify	Active	San Francisco, CA, USA	3	Imad Mokadem, Amin Mokadem	Reveal
Andco	X26	Agents that build personal injury cases	Active	San Francisco, CA, USA	3	Ryan Xue, David Lee, Michael Lemm	Reveal
Andustry	X26	We help manufacturers find suppliers for industrial equipment.	Active	San Francisco, CA, USA	2	Het Dave, Johann Stürken	Reveal
ANORIA	X26	The first wearable that reads your emotions to enhance your EQ.	Active	San Francisco, CA, USA	5	Michael Belhassen	Reveal
Apollo Atomics, Inc.	X26	We make the most compact nuclear reactors	Active	Boston, MA, USA	—	Assil Halimi, Drew Walker	Reveal
AquaShield	X26	AI water leak detection for buildings	Active	San Francisco, CA, USA	3	Paul Beckers, Marguerite Benoist	Reveal
Ara	X26	The Cloud Coding Agent	Active	San Francisco, CA, USA	2	Adi Singh, Sven Myhre	Reveal
Archer	X26	Global payouts for the workforce powering AI	Active	San Francisco, CA, USA	4	Benjamin Nguyen, Vivek Yanamadula	Reveal
Arctic Health	X26	AI-native credentialing and contracting for healthcare	Active	New York City, NY, USA	4	Sam Slezek, Michael Clark, Raghav Mehrish	Reveal
Arden	X26	AI-native internal audit firm	Active	San Francisco, CA, USA	2	Aryaman Khanna, David Lomelin	Reveal
Arga Labs	X26	Real-world sandboxes to test and train AI agents	Active	San Francisco, CA, USA	4	Phillip Li, Akira Tong	Reveal
Arlo Industries	X26	Track drones and missiles without radars - Accurate, Passive, Scalable	Active	San Francisco, CA, USA	3	Deo Arlo (Iron Dome Guy), Deo Arlo	Reveal
Armature	X26	Improve how users experience your product through AI Agents	Active	San Francisco, CA, USA	3	Theodore Otzenberger, Louis Scremin	Reveal
Arzana	X26	The autonomous ERP for every manufacturer	Active	New York City, NY, USA	6	William Alexander, Marshall Kools	Reveal
Asendia AI	X26	AI recruiters for staffing agencies	Active	San Francisco, CA, USA	3	Rihab Lajmi, Badis Zormati	Reveal
Aseon Labs	X26	Robotic pitstops for self-driving cars	Active	San Francisco, CA, USA	5	George Kalligeros, Dan Keene	Reveal
Aster	X26	Automating open-ended research.	Active	San Francisco, CA, USA	2	Emmett Bicker	Reveal
Astraea	X26	AI Operating System for Clinical Development	Active	San Francisco, CA, USA	2	Joshua Wang, Sanmay Sarada	Reveal
Atrisa	X26	AI Agents for Analog Circuit Design	Active	San Francisco, CA, USA	3	Sayan Mitra, Rithik Jain, Atman Kar	Reveal
Autostep	X26	The P&L for knowledge work	Active	San Francisco, CA, USA	1	Aidan Pratt 🥑, Aidan Pratt	Reveal
BentoLabs AI	X26	Monitoring and learning layer for long-running agents	Active	San Francisco, CA, USA	5	Abhinav Soni, Kaushik ASP	Reveal
BioStack Platforms	X26	Real world training envs for healthcare AI models	Active	San Francisco, CA, USA	7	Sanat Mishra, Parth Patwa	Reveal
Bloom	X26	The brand layer for agents.	Active	San Francisco, CA, USA	3	Ray Fitzgerald	Reveal
Callab AI	X26	AI voice agents for on-prem telephony stack.	Active	San Francisco, CA, USA	7	Haithem Kchaou, Chehir Dhaouadi	Reveal
CharacterQuilt	X26	Computer use agents to deploy enterprise marketing campaigns	Active	San Francisco, CA, USA	4	Clint Burgess, Bhairav Mehta	Reveal
Chert	X26	iMessage infrastructure for business	Active	New York City, NY, USA	2	Gary Gao, Ian Fong	Reveal
Chronicle Labs	X26	Staging Environments for Enterprise AI Agents	Active	San Francisco, CA, USA	2	Ayman Saleh	Reveal
Cignara	X26	AI Customer Support for Fortune 500-scale enterprises	Active	San Francisco, CA, USA	4	Nalin Gupta	Reveal
Clara	X26	AI primary care doctor	Active	San Francisco, CA, USA	9	George Favvas, Zeeshan Ahmed, Caitlin Swift	Reveal
Cohesion	X26	Modern Intelligence for Finance	Active	New York City, NY, USA	3	Devon Krapcho, Matthew McBrien, Matt Munns	Reveal
Complir	X26	Vanta for physical products	Active	Copenhagen, Denmark	13	Gustav Bang, Marc Kaa Brejner, Tine Kühnel	Reveal
Deep Interactions	X26	Collaborative AI app builder for teams	Active	San Francisco, CA, USA	4	Sruthi Viswanathan	Reveal
Discovered Materials	X26	AI scientists to discover materials for the semiconductor industry.	Active	San Francisco, CA, USA	2	Akash Ramdas, Advaith Sridhar	Reveal
Dispatch	X26	Satellites for Manufacturing in Space	Active	San Francisco, CA, USA	2	Payton Case, Andrew Mello	Reveal
Drafted	X26	Design your home instantly with AI	Active	San Francisco, CA, USA	9	Nicholas Donahue	Reveal
Eden Robotics	X26	Autonomous services for humanity.	Active	San Francisco, CA, USA	4	Stamatios Floratos, Joseph Humphreys, Stamatis Floratos	Reveal
Elyra	X26	AI Reservation System for Restaurants	Active	Stockholm, Stockholm County, Sweden	5	Felix Odeberg Glasenapp, Alan Mando	Reveal
Enjamb Labs	X26	The AI Workforce for Biopharma	Active	San Francisco, CA, USA	2	Rayan Mubarak, Maadhav Deekshitha	Reveal
Expanse	X26	Unlock wasted GPU capacity.	Active	San Francisco, CA, USA	4	Ismaeel Bashir, Nikodem Bieniek, Yafet Melake, Eren Mendi	Reveal
FinalDose	X26	Programmable DNA drug destroying all cancers, unlocking 80% of targets	Active	London, England, United Kingdom	5	Li-Yao Huang, Steven Lin, Jeff Liu	Reveal
flowscope	X26	AI-native consulting to map and automate business processes	Active	San Francisco, CA, USA	2	Samuel Mirpuri, Javier Leguina	Reveal
Foaster	X26	The AI-native McKinsey	Active	San Francisco, CA, USA	2	Raphaël Dabadie, Alexandre Combes	Reveal
Foresight	X26	Consumer simulations for CPG market research	Active	New York City, NY, USA	2	Eytan Rozenblum, Antoine Bertrand	Reveal
Framewise Health	X26	AI-native patient engagement	Active	San Francisco, CA, USA	2	Tane Kim	Reveal
Fuchsia	X26	Vanta for hardware	Active	San Francisco, CA, USA	3	Tony Gao	Reveal
General Aviation	X26	Fix ATC by connecting aircraft to the internet	Active	San Francisco, CA, USA	—	Ben Frank	Reveal
General Instinct	X26	Inference Infrastructure for Physical AI	Active	San Francisco, CA, USA	2	Bill Jiao, Guanming Wang	Reveal
Gigacatalyst	X26	AI-first embedded analytics and reports for customer success	Active	San Francisco, CA, USA	3	Namanyay Goel	Reveal
GovGuard	X26	Automating Government Workflows, starting with FOIA	Active	San Francisco, CA, USA	—	Gleb Hulting, Aditya Sabharwal	Reveal
Gravy	X26	Agents that move money, trade stocks, and file taxes.	Active	San Francisco, CA, USA	2	Ali Tabba, Max Church	Reveal
Harbor	X26	AI-native CRO for clinical trial operations	Active	San Francisco, CA, USA	3	Albert Cai, Nathan H. Leung	Reveal
Hedge	X26	AI-Native insurance company	Active	San Francisco, CA, USA	2	Luke Button, Luke Rosa	Reveal
Hessian	X26	Forward-deployed AI Agents	Active	San Francisco, CA, USA	3	Bao Nguyen, James Smith, Tom Watson	Reveal
HeyClicky	X26	The simplest interface in the world to talk AI models + spawn agents	Active	San Francisco, CA, USA	—	Farza Majeed	Reveal
Hub	X26	Real-world training data for frontier AI labs and robotics.	Active	San Francisco, CA, USA	10	Tim Sprecher, Armin Kiani	Reveal
Humwork	X26	Human experts as API for AI Agents	Active	San Francisco, CA, USA	2	Yash Goenka, Rohan Datta	Reveal
Hyper	X26	Company brain that powers your AI employees	Active	San Francisco, CA, USA	2	Shalin Shah, Kanyes Thaker	Reveal
Infera	X26	Control lab instruments with natural language.	Active	San Francisco, CA, USA	2	Troy Zhang, Chloe Sow	Reveal
InLoop Robotics	X26	Robotic arms that pick and pack your orders.	Active	San Francisco, CA, USA	4	Zakariea Sharfeddine, Stepan Feduniak	Reveal
InsForge	X26	The agent-native AWS	Active	San Francisco, CA, USA	6	Hang Huang, Tony Chang, Claas Ahrens	Reveal
InstaAgent	X26	Scale marketing campaigns across hundreds of personas	Active	San Francisco, CA, USA	10	Kyle Wong, Colin Tseung	Reveal
Intelligence Factory	X26	Human Intelligence for Robots	Active	New York City, NY, USA	10	Yash Sinha, Jalaj Shukla	Reveal
Interfaze	X26	AI model built for high accuracy deterministic tasks	Active	San Francisco, CA, USA	5	Yoeven D Khemlani, Harsha Vardhan Khurdula, Harsha Vardhan Khurdula	Reveal
Inth	X26	Monitor and fix product privacy issues before they block growth	Active	London, England, United Kingdom	3	Christopher Burns	Reveal
jo	X26	The personal AI agent that keeps up with your work and life.	Active	San Francisco, CA, USA; Remote	2	Pradeep Elankumaran, Kevin Li	Reveal
Juno	X26	AI Health Assistant for Chronic Illness	Active	San Francisco, CA, USA	2	Marshall Gould, Isaac Tolley	Reveal
Keyframe Labs	X26	Bring AI to life with the world's best interactive avatars	Active	San Francisco, CA, USA	2	Parth Radia, Kaahan Radia	Reveal
Kimpton AI	X26	The IDE for Investors	Active	San Francisco, CA, USA; Remote	5	Jack Zumwalt, Adrian Del Bosque, Mauricio Ortiz, Adrian Bosque	Reveal
Kinect	X26	The AI revenue platform for D2C brands	Active	San Francisco, CA, USA	2	Kratik Agrawal, Varun Kandula	Reveal
Klaimee	X26	Liability insurance for AI Agents. You deploy agents, we cover you.	Active	San Francisco, CA, USA	2	Ines Boutemadja, Julien Catonnet	Reveal
Klarify	X26	AI Agent for Therapists	Active	San Francisco, CA, USA	4	Moody Abdul, Alexander Bergholm	Reveal
Korso	X26	The AI-native agency	Active	Irvine, CA, USA	3	Daichi Hiraoka, Alex Liu, Martin Pan	Reveal
KugelAudio	X26	Kugel is an on-prem Voice AI model supporting 30+ languages	Active	Berlin, Berlin, Germany	4	Viktor Presber, Kajo Kratzenstein	Reveal
Kuli	X26	AI coworker for marketing teams at the largest consumer brands	Active	San Francisco, CA, USA	1	Michael Hodara, Jonathan Hassan	Reveal
Lab0	X26	AI FDEs to make your B2B SaaS Go Live in Days, not Months	Active	San Francisco, CA, USA	3	Lakshya Gupta, Onkar Borade, Sujay Srivastava	Reveal
Lattice Health	X26	Monitoring and governance for deployed medical imaging AI	Active	San Francisco, CA, USA	1	Christine Park	Reveal
Light Anchor	X26	AI-run consumer brands	Active	Seoul, Seoul, South Korea	2	Chase Kim, Sangha Park	Reveal
Lightsprint	X26	Software factory for product teams	Active	San Francisco, CA, USA	3	Ben Ong, Benedict Chan, Heng Hong Lee	Reveal
Linzumi	X26	Team chat to command all your company's coding agents	Active	San Francisco, CA, USA	3	Sean Grove	Reveal
Lumius	X26	Fast, smart, accessible 3D ultrasound that anyone can use	Active	Durham, NC, USA	4	Tri Vu, Chenhang Li, Luca Menozzi	Reveal
Madrone	X26	Hyper-efficient coolers for data centers	Active	San Francisco, CA, USA	2	Akshay Trikha, Erik Meike	Reveal
Maquoketa Research	X26	The intelligence layer for drones	Active	San Francisco, CA, USA	5	Evan Yeager, David Muchow, Aidan Williams	Reveal
Memory Store	X26	Company Brain.	Active	San Francisco, CA, USA	4	Diwank Tomer, Ishita Jindal, Diwank Singh Tomer	Reveal
Minicor	X26	Scalable windows desktop automations	Active	San Francisco, CA, USA	7	Faizaan Chishtie, Saheed Akinbile	Reveal
Miso Labs	X26	Emotive foundation voice models	Active	San Francisco, CA, USA	2	Aoden Teo, Cassidy Dalva	Reveal
Modern	X26	Modern - the ServiceNow killer	Active	San Francisco, CA, USA	2	Seb Poole, Aleks Tomovski	Reveal
Mount	X26	The AI Agent Insurance Carrier	Active	San Francisco, CA, USA	2	Fabian Amherd, John Bachmann	Reveal
Multiplier	X26	Agent harnesses for asset managers	Active	New York City, NY, USA	3	Benjamin Finch, Ian McInnis	Reveal
Napkin Math	X26	AI nutrition coach in your pocket	Active	San Francisco, CA, USA	3	Jynnie Tang, Manuel Castro, Claire Nord	Reveal
Nine Fives	X26	RF test equipment for next-gen spacecraft, drones, and cellphones	Active	San Francisco, CA, USA	2	Noah Levy, Andrew Kurtz	Reveal
Oddpool	X26	Institutional infrastructure for prediction markets	Active	San Francisco, CA, USA	2	Avi Arora, Ritesh Malpani	Reveal
OpenProse	X26	An open-source operating system for reliable long-running agents	Active	San Francisco, CA, USA; Remote	3	Dan Barrett	Reveal
OpenWork	X26	The open source alternative to Claude Cowork	Active	San Francisco, CA, USA	4	Ben Shafii	Reveal
Ornadyne	X26	We're building robot birds for surveillance.	Active	Los Angeles, CA, USA	4	Geourg Kivijian, Armen Arakelyan	Reveal
Pairio	X26	AI mobile app that helps factory technicians fix broken machines	Active	BY, Germany	3	Tim Zinkl, Matthias Wolf	Reveal
Panacea	X26	AI-Native FDA Regulatory Services	Active	San Francisco, CA, USA	3	Haris Javed-Akhtar, Yaman Ziadeh, Haris Akhtar	Reveal
Pavoot	X26	AI Event Manager for in-person events	Active	San Francisco, CA, USA	—	Gohar Tamrazyan, Ana Yoon Faria de Lima, Ana Yoon Faria de Lima	Reveal
Pentagon	X26	The control plane for agent-native work.	Active	Salt Lake City, UT, USA	1	Edgar Pavlovsky	Reveal
PerfectBit, Inc.	X26	Correct by construction AI training data	Active	San Francisco, CA, USA	2	Seiji Yamamoto, Peter Vajda	Reveal
PLAN0 AI	X26	Construction Cost Intelligence.	Active	—	4	Arash Barati, Shervin Barati, Dimitris Pagonakis	Reveal
Playabl.ai	X26	TikTok for User-generated Games	Active	San Francisco, CA, USA	10	Hamza Al-Ali, Omar Jarrah, Sanad Kiswani, Hamza Ali	Reveal
Plena Health	X26	Plena is the AI operating system for specialty medical practices	Active	San Francisco, CA, USA	—	Eyad Abdalla, Ahmed Al Mudarris, Ahmed Al Mudarris	Reveal
Ploy	X26	Ploy turns your website into your company's growth engine.	Active	San Francisco, CA, USA	14	Bryant Chou	Reveal
Pops	X26	Create & play AI games with friends	Active	New York City, NY, USA	1	Alon Zuman	Reveal
ProjectX	X26	Agent native workspace for heavy parallel workflows on the web	Active	San Francisco, CA, USA	8	Rounak Adhikary, Bishal Karmakar, Sourya Majumder	Reveal
Prototyping.io	X26	Autonomous manufacturing for mechanical parts	Active	San Francisco, CA, USA	2	Revanth Bodepudi, Prerit Oberai	Reveal
qomplement	X26	The Agentic ERP for supply chain operations	Active	San Francisco, CA, USA	7	Kerim Taray, Andres Garza	Reveal
ReasonBlocks	X26	The runtime layer that makes AI agents cheaper and more reliable	Active	San Francisco, CA, USA	2	Sajeev Magesh, Rohan Vij	Reveal
Regbase	X26	Automating Corporate Compliance, Worldwide	Active	New York City, NY, USA	3	Natalie Aresta-Katz, Ethan Shea	Reveal
RentAHuman	X26	Marketplace for AI agents to hire humans.	Active	San Francisco, CA, USA	3	Alexander Liteplo	Reveal
Replicas	X26	Run any coding agent harness in the cloud	Active	San Francisco, CA, USA	2	Connor Loi, Saai Arora	Reveal
Result	X26	Where new internet entrepreneurs build and run their companies	Active	—	2	Aaryan Kushwah, Savio Martin	Reveal
Revnu	X26	The growth infrastructure for the autonomous business	Active	Manchester, England, United Kingdom	2	George Jefferson, art freebrey, Art Freebrey	Reveal
River Markets	X26	Prime brokerage for prediction markets	Active	San Francisco, CA, USA	2	Oscar Levy, Antonin Parrot	Reveal
Rudus	X26	AI Takeoffs for Concrete	Active	San Francisco, CA, USA	2	Rishi Pankhaniya, Sahil Goel	Reveal
Runtime	X26	Build and run internal agents, without managing the infrastructure	Active	San Francisco, CA, USA	3	Gus Trigos, Carlos Volante	Reveal
Saffron	X26	Helping your company find 10x engineers.	Active	San Francisco, CA, USA	3	Robert Chondro, Kazuma Choji, Jerry Yao	Reveal
Salesgraph	X26	Proactive revenue agents that move enterprise deals forward	Active	San Francisco, CA, USA	2	Ruhan Ponnada, Ricardo Nunez	Reveal
Saudara AI	X26	AI Native Sourcing Broker For Overseas Manufacturing	Active	San Francisco, CA, USA	2	Edward Haryono, Jennifer Prasetyo	Reveal
Savant	X26	Company brain every AI-native enterprise runs on	Active	San Francisco, CA, USA	2	Anthony Kim, Kevin Yu	Reveal
Sazabi	X26	The AI-native observability platform for fast-moving engineering teams	Active	San Francisco, CA, USA	10	Sherwood Callaway	Reveal
Scope	X26	We help software companies get discovered and used by AI agents	Active	San Francisco, CA, USA	2	Anand-Arnaud Pajaniradjane, Anand Pajaniradjane	Reveal
Sherpa	X26	Make websites improve themselves.	Active	San Francisco, CA, USA	2	Ethan Kinnan, Norbu Sonam	Reveal
shotwell.ai	X26	Annotations for robotics data	Active	San Francisco, CA, USA	4	Farhan Khan, Ali Abdalla, Ali Abid, Nour Eldifrawy	Reveal
Silmaril	X26	Security for agents that self-improves	Active	San Francisco, CA, USA	2	Aum Upadhyay, Eduardo Velasco	Reveal
smol machines	X26	Ship software faster with portable, self contained virtual machines.	Active	San Francisco, CA, USA	1	BinBin He, BinBin H.	Reveal
Soria	X26	AI Financial Research Terminal built for Healthcare (and beyond)	Active	New York City, NY, USA	3	Adam Ron, Cameron Spiller	Reveal
StableBrowse	X26	Building the Data Infrastructure layer for Physical AI.	Active	San Francisco, CA, USA	3	Sarthak Awasthi, Jay Mehta, Deepit Shah, Somansh Shah	Reveal
Stage	X26	Code review platform for humans and agents	Active	San Francisco, CA, USA	2	Dean Stratakos, Charles Pan	Reveal
Standard Signal	X26	Hedge fund where AI researches and executes every trade end-to-end	Active	New York City, NY, USA	1	Michael Royzen	Reveal
Standout	X26	Agentic hiring marketplace	Active	San Francisco, CA, USA	5	Alexis Aftalion, Witold de La Chapelle	Reveal
Superlog	X26	Make software self-healing	Active	San Francisco, CA, USA	2	Nicolò Magnante, Arseniy Shishaev	Reveal
Superset	X26	Building self-improving software	Active	San Francisco, CA, USA	3	Kiet Ho, Satya Patel, Avi Peltz	Reveal
Surtr Defense Systems	X26	The hardware-agnostic operating system for drone defense	Active	San Francisco, CA, USA	2	Anshul Ahluwalia, Cameron Fiore	Reveal
Synphony	X26	robots & software for farms	Active	San Francisco, CA, USA	10	Sean Wu, Lucas Amlicke	Reveal
Taiga	X26	Autonomous medical billing	Active	San Francisco, CA, USA	2	Nanda Guntupalli, Adam Wax	Reveal
TakeCareOS	X26	AI-native operating system for long term care providers	Active	San Francisco, CA, USA	1	Ragav Sachdeva	Reveal
Tasklet	X26	Agents that own the work	Active	San Francisco, CA, USA	8	Jonny Dimond, Andrew Lee	Reveal
tday.com	X26	AI that turns your product into on-brand marketing content	Active	San Francisco, CA, USA	2	Cyrus Kelly, David McDonough, Shyamsundar Shrestha	Reveal
Tenet Industries	X26	Low-cost, mass-producible defense systems	Active	Stockholm, Stockholm County, Sweden	3	Emil Falk, Fabian Andersson, Hugo Frisk	Reveal
TesterArmy	X26	Test your app with AI, catch bugs before users do	Active	San Francisco, CA, USA; Remote	4	Szymon Rybczak, Oskar Kwaśniewski	Reveal
Tolmo	X26	Tolmo is the AI security platform that secures every layer of cloud…	Active	San Francisco, CA, USA	12	Pierre Betouin, Vladimir de Turckheim, Jean-Baptiste Aviat	Reveal
transload	X26	Measure freight with security cameras	Active	San Francisco, CA, USA	3	Julius Scheel, Nils Börner, Jago Wahl-Schwentker	Reveal
Trellis	X26	Agents that run short-term rental operations end-to-end	Active	San Francisco, CA, USA	5	Lodovico Benvenuti, Jan Sahagun	Reveal
Twolabs	X26	Humanoid robot platform for builders.	Active	San Francisco, CA, USA	2	Sardor Rahmatulloev, Danyal Ahmad	Reveal
Uno Wallet	X26	The AI mobile wallet that replaces Apple Pay	Active	San Francisco, CA, USA	2	Mordi Shadpour, Saket Joshi	Reveal
Userlens	X26	Let agents talk to your customers	Active	San Francisco, CA, USA	4	Ankur Dahama, Hai Ta	Reveal
ValCtrl	X26	ValCtrl is building the only intelligent prediction market	Active	New York City, NY, USA	2	Gaurav Paliwal, Sarth Garg	Reveal
Voquill	X26	The agentic OS for medical labs	Active	San Francisco, CA, USA	3	Michael Gibson, Henry Habib, Josiah Saunders	Reveal
Walter	X26	AI Employee for Manufacturing Operations	Active	San Francisco, CA, USA	—	Nikolas Keller, Lukas Postulka	Reveal
Wato	X26	The control point for AI agents at work.	Active	San Francisco, CA, USA	2	Arihan Varanasi, Rahul Rejeev	Reveal
Wealor	X26	AI-native platform for wealth managers	Active	San Francisco, CA, USA	—	Karim Bouri, Pierre Depuydt	Reveal
YouArt	X26	Patreon for AI Originals	Active	San Francisco, CA, USA	3	Harry Zheng, Edward Ma, Keith Zhang	Reveal
Zibra Labs	X26	Distributed runtime for AI workloads at scale	Active	San Francisco, CA, USA	2	Ibrahim Rabbani, Zac Policzer	Reveal
Acolite	X25	AI Native Commercial Insurance Broker	Active	New York City, NY, USA	3	Daniel Siryakov, Barak Ben Noon	Reveal
Adentris	X25	Real-time AI Compliance & Revenue Integrity for Medical Providers	Active	San Francisco, CA, USA	5	Dmitry Karpov, Alex Odin, Sergey Yudovskiy	Reveal
Aegis	X25	AI Agents to win denied health insurance claims.	Active	San Francisco, CA, USA	3	Krishang Todi, Aarav Bajaj, Dhanya Shah	Reveal
Airweave	X25	The open-source context retrieval layer for agents	Active	San Francisco, CA, USA	7	Lennert Jansen, Rauf Akdemir	Reveal
Alkali	X25	The smarter way to estimate steel.	Active	Houston, TX, USA	2	Emmett Goodman, Victor Miller	Reveal
Aravolta	X25	Software to monitor, control, and optimize data centers.	Active	San Francisco, CA, USA	4	Margarita Groisman, Jack Sutton	Reveal
Atlog	X25	Outbound voice and text AI without a prompt	Active	New York City, NY, USA	2	Vraj Parikh, John Bettinger	Reveal
Attune	X25	Faster builds, zero effort.	Active	San Francisco, CA, USA	3	Xin Ding	Reveal
Atum Works	X25	Gigascale Nanomanufacturing	Active	San Francisco, CA, USA	3	Lucas Pabarcius, Matteo Kimura, Malcolm Tisdale	Reveal
Auctor	X25	The agentic operating system for modern system integrators.	Active	New York City, NY, USA	30	William Sun, Matthew Blackburn, Anthony Sky Ng-Thow-Hing, Xinan Rahman	Reveal
Avallon AI	X25	AI agents for insurance claims operations	Active	New York City, NY, USA	7	Cornelius Schramm, Bryan Guin	Reveal
Aviro	X25	Environments for Long Horizon Tool Use	Active	San Francisco, CA, USA	2	Aarush Kukreja, Ayush Karupakula	Reveal
Beluga	X25	Creator marketing that scales like paid ads	Active	San Francisco, CA, USA	3	Fernando Young, Jack Swisher	Reveal
Besimple AI	X25	Voice data for AI	Active	San Francisco, CA, USA	6	Yi Zhong, Bill Wang	Reveal
Better Auth	X25	The authentication framework for TypeScript	Active	San Francisco, CA, USA	4	Bereket Engida	Reveal
BitBoard	X25	Let your agent build dashboards and reporting.	Active	San Francisco, CA, USA	2	Connor Jones, Ambar Choudhury	Reveal
BitPatrol	X25	AI-powered code security	Acquired	New York City, NY, USA	1	Christopher Lambert	Reveal
Blaxel	X25	The perpetual sandbox platform	Active	San Francisco, CA, USA	8	Paul Sinaï, Thomas Crochet, Charles Drappier, Mathis Joffre, Nicolas Lecomte, Christophe Ploujoux	Reveal
Bloom	X25	Build and share mobile apps in seconds	Active	—	2	David Oort Alonso, Sirian Maathuis, David Alonso	Reveal
Bluejay	X25	Test, monitor, and improve your voice and chat AI agents	Active	San Francisco, CA, USA	10	Rohan Vasishth, Faraz Siddiqi	Reveal
Blueshoe	X25	The AI-Native Consumer + Plaintiff Law Firm	Active	Boston, MA, USA	2	Casey O'Grady, Kai Yee Wan	Reveal
Bond	X25	Your AI Chief of Staff	Active	San Francisco, CA, USA	3	Chloe Samaha	Reveal
Boost Robotics	X25	Robots for the inspection and maintenance of data centers	Active	Boston, MA, USA	2	Hardik Singh, Hans Kumar	Reveal
Bramante	X25	Life sciences reagents and software	Active	Boston, MA, USA	2	Scott Stankey	Reveal
Cactus	X25	All-In-One AI Growth Partner. Built for Trades.	Active	San Francisco, CA, USA	2	Ajith Govind, Avinash Joshi	Reveal
Capacitive	X25	The data gateway for agents.	Active	San Francisco, CA, USA	2	Kevin Treehan, Rohan Radhakeesoon	Reveal
Cartpole	X25	Building reinforcement learning environments	Active	San Francisco, CA, USA	2	Mateo Perez	Reveal
Cascade Space	X25	Commercial alternative to the Deep Space Network	Active	San Francisco, CA, USA	7	Jacob Portukalian, Arlen Abraham	Reveal
Casco	X25	Autonomous security testing for web apps, APIs, cloud, and AI systems	Active	—	10	Rene Brandel, Ian Saultz	Reveal
Caucus	X25	AI CRM for Government	Inactive	—	3	Amir Farahani, Tyler Chen	Reveal
Chestnut	X25	The first AI mortgage lender	Active	San Francisco, CA, USA	2	Spencer Brown	Reveal
Chiron	X25	Grammarly for Math ✏️	Active	London, England, United Kingdom	2	James Booth, Max Booth	Reveal
chrt	X25	chrt is a logistics platform for time-critical shipping	Active	Los Angeles, CA, USA	5	Kyle Reagan, Aaron Carver	Reveal
Claim Health	X25	AI Revenue Platform for Post-Acute Care	Active	New York City, NY, USA	6	Kevin Calcado, Jayen Ram	Reveal
Clarm	X25	Build governed AI agents on your own data, without code	Active	ZH, Switzerland	2	Marcus Storm-Mollard	Reveal
Clidey	X25	Turn scattered data into one platform for decision-making	Active	San Francisco, CA, USA; Remote	5	Hemang Kandwal, Anguel Hristozov	Reveal
Code Four	X25	Modernizing the police workflow.	Active	San Francisco, CA, USA	3	George Cheng, Dylan Nguyen	Reveal
Cotool	X25	AI Agents for Security Operations Teams	Active	San Francisco, CA, USA	4	Logan Carmody, Eddie Conk, Max Pollard	Reveal
Crimson	X25	The AI Associate for Litigation Lawyers	Active	London, England, United Kingdom	6	Mark Feldner, David Strömbäck, Amine Amor	Reveal
cubic	X25	AI-powered code review platform	Active	London, England, United Kingdom	6	Paul Sanglé-Ferrière, Paul Sanglé-ferrière	Reveal
Den	X25	Make real life a video game	Active	San Francisco, CA, USA	2	Linus Talacko, Justin Lee	Reveal
Docket	X25	AI agents for web testing	Active	San Francisco, CA, USA	2	Nishant Hooda, Boris Skurikhin	Reveal
Eloquent AI	X25	The AI Operator for Financial Services	Active	San Francisco, CA, USA	5	Tugce Bulut, Aldo Lipani	Reveal
Flott HQ	X25	AI-native operating system for vehicle fleet management	Active	Paris, Île-de-France, France	2	Sylvanus MAHE, Kanvaly Fadiga	Reveal
Foundation Industries	X25	We supply hard tech companies with critical components.	Active	San Francisco, CA, USA	5	Jakob Knudsen	Reveal
Frekil	X25	RWE Generation in minutes	Active	San Francisco, CA, USA	2	Nikhil Tiwari, Shivesh Gupta	Reveal
Galen AI	X25	Personal AI healthcare agent, powered by clinical and wearable data.	Acquired	San Francisco, CA, USA	2	Priyanka Shrestha, Viraj Mehta	Reveal
Golf	X25	Agentic AI Security and Governance	Active	San Francisco, CA, USA	1	Wojciech Błaszak, Antoni Gmitruk	Reveal
GroundControl	X25	Vertical AI for highly-regulated manufacturing	Active	San Francisco, CA, USA	8	Mehul Shah, Matthew Noseworthy, Nick Warren	Reveal
HABIT	X25	Conversational robots for physical businesses.	Active	Los Angeles, CA, USA	—	Michael Trehan, Harish Palani	Reveal
HelixDB	X25	The fastest & most scalable graph-vector database on the market	Active	London, England, United Kingdom	6	George Curtis, Xavier Cochran	Reveal
Human Behavior	X25	Understand your users beyond the numbers	Active	San Francisco, CA, USA	3	Amogh Chaturvedi	Reveal
IRBC	X25	AI-native financial institution for global businesses + agents.	Active	New York City, NY, USA	3	Courtne Marland, Henry Kwon	Reveal
Kaizen	X25	Automate anything on the web.	Active	San Francisco, CA, USA	6	Kenneth Acquah, Michael Silver	Reveal
Kanava AI	X25	Your First AI Sales Hire for Wholesale Distributors	Inactive	San Francisco, CA, USA	2	Smit Dagli, Vikhyath Mondreti	Reveal
Kashikoi	X25	Simulation Engine for Benchmarking AI Products	Active	San Francisco, CA, USA	2	Aaksha Meghawat	Reveal
Kirana AI	X25	AI manager for physical stores	Active	New York City, NY, USA	2	Nicholas Sleeper, Prateek Pinisetti	Reveal
Labric	X25	The data layer for scientific research	Active	San Francisco, CA, USA	2	Caitlin Hogan, Connor Hogan	Reveal
Leeroo	X25	Organizational Superintelligence	Active	London, England, United Kingdom	3	Alireza Mohammadshahi, Majid Yazdani	Reveal
Lucis	X25	Function Health for Europe	Active	Paris, Île-de-France, France	17	Max Berthelot, Baptiste Debever	Reveal
Mbodi AI	X25	Industrial Robots that Learn and Operate Like Humans	Active	New York City, NY, USA	6	Xavier (Tianhao) Chi, Sebastian Peralta	Reveal
MindFort	X25	Autonomous Security Agents	Active	Los Angeles, CA, USA	5	Brandon Veiseh, Akul Gupta	Reveal
Minerva	X25	AI native accounting firm	Active	San Francisco, CA, USA	5	Peter Zhu, Om Agarwal	Reveal
mlop	X25	Experiment tracking for training ML models	Active	London, England, United Kingdom	2	Stephen Sun, Lakee Sivaraya	Reveal
Moby Analytics	X25	AI financial auditors	Active	Paris, Île-de-France, France	4	Dimitri Kassubeck, Thomas Rapilly	Reveal
Morphik	X25	AI workers for Skilled Nursing and Senior Living Operations	Active	San Francisco, CA, USA	2	Adityavardhan Agrawal, Arnav Agrawal	Reveal
MorphoAI	X25	Software tool for designing robots and machines	Active	New York City, NY, USA	7	Ayna Arora, Andrew Spielberg	Reveal
Naïve	X25	Autonomous Company Infrastructure	Active	San Francisco, CA, USA	8	Sean Dorje, Dennis Zax	Reveal
nao Labs	X25	Open Source Analytics Agent	Active	Paris, Île-de-France, France	2	Claire Gouze, Christophe Blefari	Reveal
Nimbic AI	X25	Automatically write and update internal docs with every code commit.	Active	San Francisco, CA, USA	3	Akshath M, Ishan Khare, Ishan Mehta, Akshath M.	Reveal
NODI Energy	X25	Distributed energy infrastructure unlocking grid power to data centers	Active	London, England, United Kingdom	2	Borong Hu	Reveal
Nomi	X25	Realtime Sales Copilot	Active	Paris, Île-de-France, France; Remote	5	Swan Beaujard	Reveal
Novoflow	X25	Computer-using agents for healthcare operations	Active	San Francisco, CA, USA	6	Mathieu Rihet, Georges Casassovici	Reveal
Opusense AI	X25	AI for Field Inspection Reports	Active	Toronto, ON, Canada	2	Roya Cody, Michael Bacani	Reveal
Orchid	X25	A personal EA in your iMessage	Active	San Francisco, CA, USA	3	Nizar Abi Zaher, Adam Wazzan	Reveal
Paper Instruments	X25	Open-source frontier models for knowledge work	Active	San Francisco, CA, USA	3	Daanish Khazi, Gavin Bains, Joseph Besgen	Reveal
ParaQuery	X25	Managed GPU-accelerated Spark + SQL at 2x speed and half the cost	Active	New York City, NY, USA; Remote	1	Win Wang	Reveal
Parsewise	X25	Multi-document processing for your risk teams, AI agents, pipelines	Active	London, England, United Kingdom	6	Max Hofer, Greg Csegzi	Reveal
Pelica	X25	AI agents for risk-bearing healthcare organizations	Active	San Francisco, CA, USA	5	Lalit Kundu, Catherine Zhao	Reveal
Percival	X25	Accelerating data analysis for research	Inactive	San Francisco, CA, USA; Remote	3	Kevin Bi, David Zhu	Reveal
Photonium	X25	AI-Powered Optical Consulting & Software	Active	New York City, NY, USA	5	Jennifer Song, Adam Mhatre	Reveal
Plexe	X25	Open-source agents to build predictive ML models from a prompt	Active	London, England, United Kingdom	2	Vaibhav Dubey, Marcello De Bernardi	Reveal
Probo	X25	We help you get compliant while you focus on your business.	Active	Paris, Île-de-France, France	6	Antoine Bouchardy, Bryan Frimin	Reveal
Propolis	X25	Hands off QA via intelligent browser agents.	Acquired	New York City, NY, USA	2	Marc Papazian, Matt White	Reveal
QFEX	X25	24/7 Global Stock Exchange	Active	London, England, United Kingdom	14	Annanay Kapila, Joshua Wharton	Reveal
QualGent	X25	AI Mobile App Quality Assurance Tester	Active	San Francisco, CA, USA	10	Shivam Agrawal, Aaron Yu	Reveal
Refresh	X25	Training gyms for computer use and software engineering work	Active	San Francisco, CA, USA	8	Christopher Settles, Erik Quintanilla	Reveal

+6,052 more companies

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B2B3278 Healthcare805 Fintech709 Consumer654 Engineering, Product and Design610 Industrials489 Infrastructure303 Productivity208 Real Estate and Construction184 Operations169 Healthcare IT160 Finance and Accounting158 Supply Chain and Logistics154 Sales152 Marketing143

Recent Batches

XX26163 XX25113 WW26248 WW25221 WW24336 WW23344 WW22505 WW21395

By Status

Active5056 Inactive626 Acquired596 Public24

Top Locations

San Francisco2670 New York City463 New York263 London189 Los Angeles157 Bengaluru109

YC Outreach Guides

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Frequently Asked Questions

How many Y Combinator companies are in this database?

We track 6,302+ Y Combinator-backed companies across all batches, from the earliest YC cohorts to the most recent. Updated monthly.

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What is the current YC batch?

The most recent batch in our database is X26. New batches are added shortly after Demo Day, typically within a few days.

How many companies has YC funded?

Y Combinator has funded over 6,302 companies since 2005 across 48 batches. This includes 5,056 currently active companies, 596 acquired companies, and 24 publicly traded companies.

What industries does YC invest in?

YC invests across a wide range of industries. The top sectors include B2B, Healthcare, Fintech, Consumer, Engineering, Product and Design, and more. Browse our industry pages for complete breakdowns.

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VCBacked maintains verified email addresses for YC founders. Use the search and filter tools on this page to find companies, then sign up for a paid plan to reveal founder contact information. You can also export the data to CSV.

What is the YC acceptance rate?

Y Combinator accepts roughly 1-2% of applicants each batch, making it one of the most selective startup accelerators in the world. Each batch typically includes 200-300 companies selected from over 20,000 applications.

How much does YC invest per company?

Y Combinator invests $500,000 in every company it funds: a $125,000 investment for 7% equity, plus a $375,000 investment on an uncapped SAFE. Companies also get access to mentorship, the YC alumni network, and Demo Day exposure to top investors.

What are the most successful YC companies?

Some of the most successful YC companies include Stripe, Airbnb, DoorDash, Coinbase, Instacart, Reddit, Dropbox, and Twitch. View our top companies page for a complete ranking by team growth and status.

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Y CombinatorContact Database