Industry

YC B2B Companies

3,278 Y Combinator b2b startups with verified founder contacts, batch info, and company data.

3,278

Companies

964

Active

Acquired

Public

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
dari.dev	F25	The Routing Layer for AI Agents	Active	San Francisco, CA, USA	2	Avyay Varadarajan, Benjamin Hong	Reveal
Deeptrace	F25	AI agents for on-call	Active	San Francisco, CA, USA	4	Andy Lee, Sri Somasundaram	Reveal
Denki	F25	The full-stack AI financial audit firm	Active	London, England, United Kingdom	3	Felipe Jin Li, David Jin Li, David Jin Li	Reveal
DiligenceSquared	F25	AI-powered market due diligence for investment decisions	Active	New York City, NY, USA	3	Frederik Hansen, Soren Biltoft-Knudsen	Reveal
Dome	F25	A unified API for prediction markets, like Kalshi and Polymarket	Inactive	—	2	Kurush Dubash, Kunal Roy	Reveal
Everest	F25	AI employees for outsourced IT	Active	San Francisco, CA, USA	—	Yolanda Cao, Spencer McKee	Reveal
Expected Parrot	F25	Simulate your customers with AI agents	Active	Boston, MA, USA	5	Robin Horton, John Horton	Reveal
Expected Parrot	F25	Simulate your customers with AI agents	Active	Cambridge, MA, USA	5	Pete Koomen, Robin Horton, John Horton	Reveal
Fastshot	F25	Lovable for mobile apps	Active	—	3	Dmitry Fatkhi, Elvira Dzhuraeva	Reveal
Fastshot	F25	Lovable for mobile apps	Active	San Francisco, CA, USA	3	Dmitry Fatkhi, Elvira Dzhuraeva	Reveal
Fixpoint	F25	Uber for AI trainers and human-in-the-loop supervisors	Active	—	2	Dylan Mikus, Jakub Cichon	Reveal
hillclimb	F25	The world's first human superintelligence community	Active	San Francisco, CA, USA	3	Jun Park, Ibrakhim Ustelbay	Reveal
HireGlide	F25	The AI-native job board	Active	San Francisco, CA, USA	2	Theo Kitsberg, Axel La Pira	Reveal
Hypercubic	F25	AI to maintain and modernize COBOL.	Active	—	2	Sai Gurrapu, Aayush Naik	Reveal
Hypercubic	F25	Agentic AI for Mainframe Operations and Modernization	Active	San Francisco, CA, USA	3	Sai Gurrapu, Aayush Naik	Reveal
Hyperspell	F25	Your Company Brain	Active	San Francisco, CA, USA	8	Conor Brennan-Burke, Manu Ebert, Conor Burke	Reveal
Imagine AI	F25	We reverse engineer B2B growth, starting with LinkedIn.	Active	San Francisco, CA, USA	5	Sky Yang, Neo Lee	Reveal
Inspector	F25	AI IDE for front-end development	Active	San Francisco, CA, USA	2	Quentin Romero Lauro, Michael Klikushin	Reveal
item	F25	The AI-Native CRM that works for you	Active	San Francisco, CA, USA	6	Andres Santanilla, Akshay Guthal	Reveal
Jarmin	F25	AI Employees for human-level roles	Active	San Francisco, CA, USA	5	Chalmers Brown, Shirsendu Halder, Zack Leman	Reveal
JSX Tool	F25	AI-First In-Browser IDE for React Development	Active	—	2	Dan Hyman	Reveal
Kalpa Labs	F25	Scaling Generalist Speech models	Active	San Francisco, CA, USA	2	Prashant Shishodia, Gautam Jha	Reveal
Karumi	F25	The Waymo of Personalized demos	Active	—	6	Pablo Omenaca, Toni Lopez	Reveal
Kestrel AI	F25	AI-Native Cloud Incident Response Platform	Active	San Francisco, CA, USA	2	Raman Varma, Evan Chopra	Reveal
Lapis	F25	AI Image Ads for Meta, Linkedin, and Google	Active	San Francisco, CA, USA	4	Varunram Ganesh, Sai Surbehera	Reveal
Leadbay	F25	Qualified leads for agentic workflows.	Active	San Francisco, CA, USA	8	Ludovic Granger, Milan Stankovic	Reveal
Lemma	F25	Continuous learning for AI agents	Active	San Francisco, CA, USA	2	Jerry Zhang, Cole Gawin	Reveal
Lemma	F25	Production Monitoring for AI agents	Active	San Francisco, CA, USA	2	Jerry Zhang, Cole Gawin	Reveal
Lexi	F25	AI Associates for Corporate Law	Active	San Francisco, CA, USA	4	Harshit Garg, Kiran Mohan	Reveal
Locus	F25	Payment infrastructure for AI agents	Active	San Francisco, CA, USA	2	Cole Dermott	Reveal
Logical	F25	A proactive desktop copilot. Clippy, but actually good.	Active	San Francisco, CA, USA	2	Sam Karu, Anushka Idamekorala	Reveal
LogosGuard	F25	The sensitive data redaction layer for AI	Active	San Francisco, CA, USA	2	Abel John, Sukrut Oak	Reveal
Lua Global Inc	F25	The mid-market agent platform	Active	London, England, United Kingdom	5	Lorcan O Cathain, Stefan Kruger, Lorcan O Cathain	Reveal
Lunavo	F25	Lunavo is the AI assistant for carriers.	Active	BY, Germany	2	Niclas Heun, Felix Lösch	Reveal
Mantle	F25	Build internal agents to automate back office work with one prompt	Active	—	2	Samrath Chadha, Gautam Paranjape	Reveal
MarkIt	F25	Workspaces for cross-border regulatory work	Active	Atlanta, GA, USA	2	Chanhyung Kim, Roland Saavedra	Reveal
Metorial	F25	Agentic infrastructure to power AI-native companies.	Active	Vienna, Vienna, Austria; Remote	4	Karim (Wen) Rahme, Tobias Herber, Karim Rahme	Reveal
Minro	F25	Identify churn risk and stay close to users at scale	Active	San Francisco, CA, USA	2	Samika Sanghvi, Siddhant Lad	Reveal
Mod AI	F25	The First AI Email Client for Accounting	Active	—	4	Evan Meyer, Sunjeet Chugh	Reveal
Moss	F25	Real-time semantic search for Conversational AI	Active	San Mateo, CA, USA	3	Sri Raghu Malireddi, Harsha Nalluru	Reveal
MOVEdot	F25	AI Agents for Hardware Engineering	Active	San Francisco, CA, USA	10	Girish Radhakrishnan, Bruno Finco	Reveal
MOVEdot	F25	AI Agents for Hardware Engineering	Active	San Francisco, CA, USA	10	Girish Radhakrishnan, Bruno Finco	Reveal
Multifactor	F25	Zero-trust authentication, authorization, and auditing for AI agents	Active	San Francisco, CA, USA	6	Vivek Nair, Colin Roberts	Reveal
Nexus	F25	We help non-technical teams build AI agents without engineers	Active	Brussels, Brussels, Belgium	2	Assem Chammah, Shady Al Shoha	Reveal
OpenBuilder	F25	The vibe coding platform where builders actually finish.	Active	San Francisco, CA, USA	3	Paul Li, James Jiang	Reveal
Openroll	F25	AI-Native Workday	Active	Stockholm, Sweden	4	Mattias Lindell, Porsev Aslan	Reveal
Openroll	F25	The AI workforce for People and Finance teams	Active	Stockholm, Stockholm County, Sweden	4	Mattias Lindell, Porsev Aslan	Reveal
Patent Watch	F25	AI for detecting patent infringements	Active	San Francisco, CA, USA	6	Alexander Stroe, Andreas Stroe	Reveal
Patent Watch	F25	AI for detecting patent infringements	Active	Toronto, ON, Canada	2	Alexander Stroe, Andreas Stroe	Reveal
PlayVision	F25	AI Moneyball for Sports	Active	San Francisco, CA, USA	2	Anish Gupta, Marc Zoghby	Reveal

Batch Distribution

XX2693 XX2574 WW26160 WW25132 WW24220 SS2637

Status Breakdown

Active964 Inactive26 Acquired10

Top Locations

San Francisco661 New York City71 London31 New York17 Paris13 Stockholm12

About YC B2B Companies

Y Combinator has funded 3,278 b2b companies since its founding in 2005. These startups span from early-stage pre-launch to publicly traded companies, making YC one of the most prolific backers of b2b innovation globally.

964 of these companies are currently active. 10 have been acquired. VCBacked tracks verified founder contact information, team sizes, and company status for every YC b2b startup.

Related Industries

Healthcare805 Fintech709 Consumer654 Engineering, Product and Design610 Industrials489 Infrastructure303 Productivity208 Real Estate and Construction184

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