Industry
YC B2B Companies
2,174 Y Combinator b2b startups with verified founder contacts, batch info, and company data.
2,174
Companies
838
Active
79
Acquired
0
Public
YC Company Directory
50 companies
Company | Batch | Description | Status | Location | Team | Site | Founders | Reveal |
|---|---|---|---|---|---|---|---|---|
Paperspace | W15 | Paperspace is a cloud platform for building and scaling AI… | Acquired | Brooklyn, NY, USA | 50 | Dillon Erb, Daniel Kobran | Reveal | |
Popular Pays | W15 | Software for collaborating with content creators and influencers | Acquired | Chicago, IL, USA | 37 | Corbett Drummey, Steven Wanderski | Reveal | |
Smyte | W15 | Smyte stops bad actors on social networks and marketplaces. | Acquired | San Francisco, CA, USA | 11 | Pete Hunt, Julian Tempelsman, Josh Yudaken | Reveal | |
Tara AI | W15 | Meet Tara AI, your new engineering efficiency co-pilot. | Active | San Jose, CA, USA | 13 | Iba Masood, Syed Ahmed | Reveal | |
TeamNote | W15 | Mobile Productivity(Slack for mobile workforces) | Active | Hong Kong | 11 | Roy Law, Ming Lo, Jon Yip | Reveal | |
AirPair | W14 | Instant access to the world's best software experts via video chat… | Inactive | San Francisco, CA, USA | 2 | Maksim Ioffe, Jonathon Kresner, Igor Lebovic | Reveal | |
Algolia | W14 | A developer-friendly and enterprise-grade search API. | Active | San Francisco, CA, USA | 810 | Nicolas Dessaigne, Julien Lemoine | Reveal | |
Ambition | W14 | Coaching and gamification software for sales teams. | Active | Chattanooga, TN, USA | 55 | Travis Truett, Jared Houghton, Brian Trautschold | Reveal | |
Boostable | W14 | Advertising platform tools for marketplace sellers. | Acquired | San Francisco, CA, USA | 11 | Selcuk Atli, Alex Chang | Reveal | |
DevCycle | W14 | Feature Flag Management Built for Developers | Acquired | Toronto, ON, Canada | 55 | Andrew Norris, Jonathan Norris, Cobi Druxerman | Reveal | |
Emailio | W14 | Email built for wellness | Active | — | 5 | Martin Stoyanov, Teo Teodosiev | Reveal | |
PiinPoint | W14 | PiinPoint helps businesses find the best locations for growth | Active | Kitchener, ON, Canada | 20 | Jim Robeson, Adam Saunders | Reveal | |
Rickshaw | W14 | Same day local delivery, via API. Currently operating in SF. | Acquired | San Francisco, CA, USA | 11 | Divya Bhat, Gautam Jayaraman | Reveal | |
Unbabel | W14 | AI-powered Language Operations platform | Acquired | San Francisco, CA, USA | 350 | Vasco Pedro, João Graça, Bruno Prezado Silva, Hugo Silva | Reveal | |
Weave | W14 | Customer communication and payments platform. | Public | Lehi, UT, USA | 600 | Brandon Rodman, Jared Rodman, Clint Berry | Reveal | |
CircuitLab | W13 | Online circuit simulator and electronic schematic editor. | Active | Redwood City, CA, USA | 2 | Humberto Evans, Mike Robbins | Reveal | |
Fivetran | W13 | The leader in automated data movement | Active | Oakland, CA, USA | 1200 | Taylor Brown, George Fraser | Reveal | |
Scuba | W13 | Analytics for impatient people. | Acquired | — | 51 | Ann Johnson, Bobby Johnson | Reveal | |
Strikingly | W13 | The easiest way to create a beautiful, mobile optimized website. | Active | Shanghai, China | 99 | David Haisha Chen, Teng Bao, Dafeng Guo | Reveal | |
Amplitude | W12 | Digital Analytics Platform | Public | San Francisco, CA, USA | 750 | Spenser Skates, Curtis Liu | Reveal | |
Documents.Me | W12 | Client-side encryption for your devices and the cloud. | Inactive | Santa Clara, CA, USA | 0 | Sai Thumuluru, Anirudh Ramachandran | Reveal | |
Fond | W12 | Rewards and recognition SaaS for HR leaders | Acquired | San Francisco, CA, USA | 51 | Taro Fukuyama, Sunny Tsang 🌞 | Reveal | |
Gusto | W12 | Provides growing businesses with everything to take care of their team | Active | San Francisco, CA, USA | 2400 | Josh Reeves, Edward Kim, Tomer London | Reveal | |
Rescale | W12 | High Performance Computing Built for the Cloud | Active | San Francisco, CA, USA | 250 | Joris Poort, Adam McKenzie | Reveal | |
Screenleap | W12 | One-click screen sharing with installation-free viewing on all devices | Active | San Carlos, CA, USA | 4 | Tuyen Truong, Lawrence Gentilello | Reveal | |
Beetailer | W11 | Facebook stores. | Inactive | Mountain View, CA, USA | 2 | Laura Valverde, Juan Gallego, Miguel Martinez Trivino | Reveal | |
Close | W11 | CRM and sales automation tools for startups and SMBs | Active | — | 120 | Steli Efti, Anthony Nemitz, Thomas Steinacher | Reveal | |
Mailgun | W11 | Email API service. | Acquired | San Francisco, CA, USA | 51 | Ev Kontsevoy, Taylor Wakefield | Reveal | |
TalkBin | W11 | Consumer to business messaging. | Acquired | Mountain View, CA, USA | 0 | Qasar Younis, Sunny Dhillon, Michael Ma | Reveal | |
Creative Market | W10 | Marketplace for graphic design assets | Acquired | San Francisco, CA, USA | — | Darius \, Aaron Epstein, Chris Williams | Reveal | |
Crocodoc | W10 | Embed PDFs, PowerPoints, and other documents into web and mobile apps | Acquired | San Francisco, CA, USA | 0 | Ryan Damico, Peter Lai, Matt Long, Bennett Rogers | Reveal | |
Fabricly | W10 | — | Inactive | New York, NY, USA | 2 | Ari Helgason, Tom Riley | Reveal | |
LaunchHear | W10 | LaunchHear was a startup attempting to make PR scale in the same way… | Inactive | San Francisco, CA, USA | 2 | Alex Krupp, Allan Young | Reveal | |
Mertado | W10 | — | Acquired | Redwood City, CA, USA | 1 | Vijay Chittoor, Mehul Shah, Rajiv Bhat | Reveal | |
Volantio | W09 | Post-booking revenue and capacity optimization for airlines… | Active | Atlanta, GA, USA | 19 | Fenn Bailey, Azim Barodawala | Reveal | |
BI BitSample | W08 | — | Inactive | — | 0 | — | Patrick Swieskowski | Reveal |
Heroku | W08 | Enabling developers to build and run applications in the cloud. | Acquired | San Francisco, CA, USA | 300 | Orion Henry, James Lindenbaum, Adam Wiggins | Reveal | |
Ninite | W08 | Simple third-party app patching and deployment for Windows. | Active | San Francisco, CA, USA | 2 | Sascha Kuzins, Patrick Swieskowski | Reveal | |
Virtualmin | W07 | — | Active | Mountain View, CA, USA | 2 | Jamie Cameron, Joe Cooper | Reveal | |
Weebly | W07 | Build a free website that grows with your business. | Acquired | San Francisco, CA, USA | 201 | David Rusenko, Chris Fanini, Dan Veltri | Reveal | |
 Zenter | W07 | Zenter is the gmail of slides | Acquired | Mountain View, CA, USA | 2 | Wayne Crosby, Robby Walker | Reveal | |
Acrely | S25 | Enterprise Voice Agents | Active | San Francisco, CA, USA | 6 | Alek Stefanov, Derek Armfield | Reveal | |
Adaptional | S25 | AI underwriting for insurance | Active | San Francisco, CA, USA | — | Kevin Cox, Suril Kantaria | Reveal | |
AgentHub | S25 | The simulation and evaluation engine for AI agents | Active | — | 2 | Youssef Kallel, Sandra Tang | Reveal | |
AgentMail | S25 | Email Inboxes for AI Agents | Active | San Francisco, CA, USA | 6 | Haakam Aujla, Michael Kim, Adi Singh | Reveal | |
Alara | S25 | Procurement Platform for Dental Offices | Active | — | 0 | Dr. Sabrine Obbad, Elyas Obbad | Reveal | |
Alter | S25 | Secure access control and authorization platform for agent workflows | Active | New York, NY, USA | 2 | Srikar Dandamuraju, Kevan Dodhia | Reveal | |
Altur | S25 | Voice AI Agents for Debt Collection | Active | Mexico City, CDMX, Mexico | 3 | Luis Olave, Pedro Fernández | Reveal | |
Ambral | S25 | AI Account Managers | Active | — | 2 | Sam Brickman, Jack Stettner | Reveal | |
Autosana | S25 | AI Agents for Mobile & Web QA | Active | — | 3 | Yuvan Sundrani, Jason Steinberg | Reveal |
Status Breakdown
About YC B2B Companies
Y Combinator has funded 2,174 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.
838 of these companies are currently active. 79 have been acquired. VCBacked tracks verified founder contact information, team sizes, and company status for every YC b2b startup.
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