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
Lantern	W24	Postgres vector database extension to build AI applications	Inactive	San Francisco, CA, USA	3	Di Qi, Narek Galstyan	Reveal
Latted	W24	A Unified Editor For AI Video	Active	San Francisco, CA, USA	2	Jonathan Thon, Emre Gucer, Metehan Öz	Reveal
Leaping	W24	Automate bug resolution	Active	San Francisco, CA, USA	2	Adrien Philardeau	Reveal
Leaping	W24	Automate bug resolution	Active	San Francisco, CA, USA	2	Kanav Petkar, Adrien Philardeau	Reveal
Legora	W24	The AI workspace for lawyers	Active	Stockholm, Stockholm County, Sweden	400	Max Junestrand, Sigge Labor, August Erséus	Reveal
Legora (formerly Leya)	W24	The AI workspace for lawyers	Active	Stockholm, Sweden	65	Max Junestrand, Sigge Labor	Reveal
LemonSlice	W24	Give your voice agents a face	Active	San Francisco, CA, USA	8	Lina Colucci, Sidney Primas, Andrew Weitz	Reveal
LemonSlice	W24	Give your voice agents a face	Active	California St, San Francisco, CA, USA	8	Lina Colucci, Sidney Primas, Andrew Weitz	Reveal
Lucite	W24	Supercharging Insurance Brokers & Advisors	Active	New York, NY, USA	4	Jason Spector, Richard Greenbaum	Reveal
Lucite	W24	Supercharging Insurance Brokers & Advisors	Active	New York City, NY, USA	4	Jason Spector, Richard Greenbaum	Reveal
Lumetric	W24	The AI Analyst to Review Your Spreadsheets	Active	San Francisco, CA, USA	2	Ross Cefalu, Davis Palmie	Reveal
malibou	W24	the first all-in-one payroll and HR software for French SMBs	Active	Paris, IDF, France	2	Maxence Drummond, Alexandre Pernin	Reveal
malibou	W24	the first all-in-one payroll and HR software for French SMBs	Active	117 Quai de Valmy, 75010 Paris, France	2	Maxence Drummond, Alexandre Pernin	Reveal
Manifold Freight	W24	Aggregating Spot Freight Opportunities for Carriers	Active	Seattle, WA, USA; Remote	5	Oliver Jones, Andrew Huff	Reveal
Manifold Freight	W24	Aggregating Spot Freight Opportunities for Carriers	Active	Seattle, WA, USA	3	Oliver Jones, Andrew Huff	Reveal
Marblism	W24	AI Employees who love overtime	Active	London, England, United Kingdom	5	Ulric Musset, Cyril Pluche	Reveal
Marr Labs	W24	AI-voice agents that are indistinguishable from humans.	Active	San Francisco, CA, USA	9	Dave Grannan, Han Shu	Reveal
Marr Labs	W24	AI-voice agents that are indistinguishable from humans.	Active	San Francisco, CA, USA	9	Dave Grannan, Han Shu	Reveal
Meticulate	W24	Making it easy for B2B sales teams to send stellar outbound	Active	San Francisco, CA, USA	5	Wilbur Li, Joseph Palakapilly	Reveal
Metofico	W24	No Code Data Analysis for Life Science Research	Active	London, England, United Kingdom; Remote	2	Mehdi Boudjadja, Salah Boudjadja	Reveal
Million	W24	Tools for agent verification	Active	San Francisco, CA, USA	5	Aiden Bai, Nisarg Patel	Reveal
Model ML	W24	AI Workspace for Financial Services.	Active	London, UK	50	Arnie Englander, Chaz Englander	Reveal
Model ML	W24	AI Workspace for Financial Services.	Active	London, England, United Kingdom	80	Arnie Englander, Chaz Englander	Reveal
Momentic	W24	The agentic quality platform for web and mobile	Active	San Francisco, CA, USA	15	Wei-Wei Wu, Jeff An	Reveal
nCompass Technologies	W24	Deploy hardware accelerated AI models with only one line of code	Active	—	2	Aditya Rajagopal, Diederik Vink	Reveal
nCompass Technologies	W24	Optimize performance on GPUs - 10x faster	Active	New York City, NY, USA; Remote	3	Aditya Rajagopal, Diederik Vink	Reveal
Newton	W24	AI-powered phone platform for dentists	Active	San Francisco, CA, USA	4	Rohit Chaparala, Sam Detjen	Reveal
Nuanced	W24	Nuanced makes AI coding agents and tools smarter with static analysis.	Active	San Francisco, CA, USA	2	Ayman Nadeem	Reveal
Octolane AI	W24	Self-Driving AI CRM	Active	San Francisco, CA, USA	5	One Chowdhury, Md Abdul Halim Rafi	Reveal
Octolane AI	W24	Revenue Superintelligence	Active	San Francisco, CA, USA	5	One Chowdhury, Md Abdul Halim Rafi, Md Abdul Halim Rafi	Reveal
Ocular AI	W24	Applied AI Data Research Lab Encoding Human Expertise into Machines…	Active	San Francisco, CA, USA	8	Michael Moyo, Louis Murerwa	Reveal
OffDeal	W24	AI-native investment bank for small businesses	Active	New York City, NY, USA	15	Ori Eldarov, Alston Lin	Reveal
OmniAI	W24	AI Agents for Commercial Lending	Active	San Francisco, CA, USA	5	Tyler Maran, Anna Pojawis	Reveal
OneGrep	W24	AI Agent for DevOps Workflow Automation	Active	New York, NY, USA	2	Achintya Ashok, Brian Cripe	Reveal
OneGrep	W24	AI Agent for DevOps Workflow Automation	Active	New York City, NY, USA	2	Achintya Ashok, Brian Cripe	Reveal
Onyx	W24	Open Source AI Chat	Active	San Francisco, CA, USA	20	Yuhong Sun, Chris Weaver	Reveal
Onyx	W24	Open Source AI Chat	Active	San Francisco, CA, USA	20	Yuhong Sun, Chris Weaver	Reveal
Open	W24	Enterprise AI customer support	Active	San Francisco, CA, USA	21	Mohammad Gharbat, Mohammad Algharabat	Reveal
Opencall	W24	Practice admin run by AI	Active	—	7	Oliver Silverstein, Eric Mei, Arthur Silverstein	Reveal
OpenFoundry	W24	The fastest developer experience for building on open source AI.	Active	San Francisco, CA, USA	2	Tyler Lehman	Reveal
OpenFoundry	W24	The fastest developer experience for building on open source AI.	Active	San Francisco, CA, USA	2	Tyler Lehman, Arthur Chi	Reveal
Openmart	W24	Local business data intelligence platform	Active	Foster City, CA, USA	6	Richard He, Kathryn Wu	Reveal
PandasAI	W24	PandasAI is an open-source conversational data analysis platform with…	Active	Munich, BY, Germany	3	Gabriele Venturi	Reveal
Paradigm	W24	A reimagined workspace with AI at its core	Active	San Francisco, CA, USA	8	Anna Monaco	Reveal
Paradigm	W24	A reimagined workspace with AI at its core	Active	—	8	Anna Monaco	Reveal
PartnerHQ	W24	A marketplace for B2B businesses to buy warm intros.	Active	San Francisco, CA, USA	4	Kat Wang, Stan Liu	Reveal
Patchwork	W24	Your team’s AI powered communication tool	Inactive	San Francisco, CA, USA	2	Dhruhin Kurli, Nikki Shah	Reveal
phospho	W24	Give brains to robots	Active	San Francisco, CA, USA	2	Pierre-Louis Biojout	Reveal
PointOne	W24	AI Time Platform for Law Firms	Active	New York City, NY, USA	35	Katon Luaces, Jeremy Ben-Meir	Reveal
Polished	W24	Generate ads. Iterate till perfect.	Active	San Francisco, CA, USA	—	JJ Maxwell, Mark Wai	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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