SBatch S21
YC S21 Companies
340 Y Combinator S21 startups with verified founder contacts, company status, and team data.
340
Companies
Summer
Season
2021
Year
YC Company Directory
50 companies
Company | Batch | Description | Status | Location | Team | Site | Founders | Reveal |
|---|---|---|---|---|---|---|---|---|
Careerist | S21 | Learning platform for job seekers with job applications automation | Active | Sunnyvale, CA, USA | 100 | Ivan Tsybaev, Max Glubochansky, Max Gusakov | Reveal | |
Cartpanda | S21 | Global online sales platform | Active | São Paulo, State of São Paulo, Brazil | 60 | Lucas Castellani | Reveal | |
Catena Biosciences | S21 | Using protein coupling to build new therapies | Active | Berkeley, CA, USA | 7 | Marco Lobba, Matthew Francis | Reveal | |
CellChorus | S21 | The dynamic single-cell analysis company | Active | Houston, TX, USA | 4 | Dan Meyer, Navin Varadarajan | Reveal | |
Cero | S21 | Automated communication between hospitals and patients in Latam | Active | Santiago, Santiago Metropolitan Region, Chile | 10 | Felipe Rodríguez, Jorge Pérez, Mauricio Quezada | Reveal | |
Charge Robotics | S21 | Robots that build solar farms | Active | Oakland, CA, USA | 25 | Banks Hunter, Max Justicz | Reveal | |
Chari | S21 | B2B e-commerce and fintech platform for traditional proximity stores | Active | Casablanca, Morocco | 100 | Ismael Belkhayat, Sophia Alj | Reveal | |
Chipax | S21 | Quickbooks for SMBs in Latam | Active | Santiago, Santiago Metropolitan Region, Chile | 37 | Antonio Correa, François Gueneau de Mussy, Felipe Urzúa | Reveal | |
Cloudanix | S21 | Cloud and Container Security Platform | Active | Sunnyvale, CA, USA | 8 | Sujay Maheshwari | Reveal | |
Cloudthread | S21 | Eliminate Cloud Waste. Attribute and Track Savings. Engage Engineers. | Active | San Francisco, CA, USA | 8 | Ilia Semenov | Reveal | |
Coast | S21 | Demo Platform for API-First Companies | Active | New York, NY, USA | 25 | Spencer Levitt, Austin Pager | Reveal | |
Cococart | S21 | Empowering local businesses to sell online. | Active | Singapore | 18 | Derek Low | Reveal | |
Coinrule | S21 | Coinrule Automates Your Crypto and Stock Investments | Active | London, UK | 7 | Gabriele Musella, Oleg Giberstein, Zdeněk Höfler | Reveal | |
CoLoop | S21 | AI Copilot for insights & strategy | Active | London, UK | 16 | Jack Bowen, Adrien Wald | Reveal | |
Comet Health | S21 | Digital platform for pelvic floor physical therapy | Inactive | Palo Alto, CA, USA | 3 | Nina Lu, Katy Honda | Reveal | |
Commery | S21 | Marketplace to lease commercial real estate | Inactive | New York, NY, USA | 3 | Andrew Zhou, Lyon Aung, Eric He | Reveal | |
Concord Materials | S21 | Automating procurement and finance for construction companies | Active | New York, NY, USA | 7 | Anthony Valente | Reveal | |
Confido | S21 | AI-enabled financial automation and intelligence for CPG Brands | Active | New York, NY, USA | 28 | Kara Holinski, Justin Hunter | Reveal | |
Contalink | S21 | We help Accountants automate work and serve their customers online | Active | Monterrey, Nuevo Leon, Mexico | 75 | Eduardo Williams, Carlos Salinas | Reveal | |
ContraForce | S21 | Security Delivery Platform to orchestrate AI agents for Service… | Active | McKinney, TX, USA | 15 | Stanislav Golubchik, Ricky Melendez | Reveal | |
Coulomb AI | S21 | Battery Observability Platform for Electric Vehicles | Active | Bengaluru, Karnataka, India | 10 | Khushboo Shrivastava, Santanu Mondal | Reveal | |
Covie | S21 | Programmatic building blocks for transacting with insurance | Inactive | Austin, TX, USA | 14 | Trent Harvey, Ian Littman, William Dearie | Reveal | |
Crew | S21 | Next Gen ATS/CRM for Modern Recruitment Agencies | Active | Paris, France | 6 | Amine Skalli | Reveal | |
Cumbuca | S21 | Bare-metal access to Brazil's Open Finance and Pix systems | Active | São Paulo, State of São Paulo, Brazil | 5 | Daniel Ruhman | Reveal | |
Customily | S21 | Making it easy to sell personalized products online. | Active | St. Louis, MO, USA | 30 | Martina Möring, Alejandro Lozdziejski | Reveal | |
DailyBot | S21 | AI Assistant and Chat Add-ons for Work | Active | Remote, OR 97458, USA | 12 | Mauricio Morales, Sergio Florez | Reveal | |
Datlo | S21 | Datlo helps companies increase sales and expand through data | Active | Maringá - Floriano, Maringá - State of Paraná, Brazil | 60 | Mateus Felini, Raisa Spagnol | Reveal | |
Deed | S21 | Making it easy for employees to donate and volunteer with good causes. | Active | New York, NY, USA | 40 | Deevee Kashi, Aske Ertmann, Steve Liu | Reveal | |
Deskimo | S21 | Workspaces on demand, paid by the minute. | Active | Singapore | 12 | Christian Mischler, Raphael Cohen | Reveal | |
DigiBuild | S21 | We buy & track building materials for construction companies. | Active | Miami, FL, USA | 15 | Robert Salvador | Reveal | |
Digistain | S21 | Pioneering Breast Cancer Diagnostics for a Healthier Tomorrow | Active | London, UK | 40 | Hemmel Amrania, Chris Phillips | Reveal | |
Dime | S21 | Instant E2E tests for your website | Inactive | San Francisco, CA, USA | 2 | Ben Share, Aaron Barbieri-Aghib | Reveal | |
DolarApp | S21 | The Financial App for affluent consumers in Latin America. | Active | — | 100 | Fernando Terres, Zach Garman, Alvaro Correa | Reveal | |
Dot | S21 | Chat with your Data Warehouse | Active | Berlin, Germany | 6 | Theo Tortorici, Rick Radewagen, Sven Rudolph | Reveal | |
Dots 💸 | S21 | Developer friendly drop in payouts infrastructure | Active | San Francisco, CA, USA | 10 | Sahil Hasan, Kartikye Mittal | Reveal | |
Double | S21 | We make software for bookkeepers. | Active | New York, NY, USA | 80 | Ben Stein, Kenny Song | Reveal | |
Echoes HQ | S21 | Measure and communicate engineering activity | Active | Amsterdam, Netherlands | 3 | Arnaud Porterie | Reveal | |
Encuadrado | S21 | Payments and scheduling for services professionals in LATAM | Active | Santiago, Santiago Metropolitan Region, Chile | 3 | Thomas Maremaa, Tomas Aguilera | Reveal | |
Endla | S21 | Software that increases the value of oil & gas wells | Active | Brisbane QLD, Australia | 8 | Riley O'Donnell, Michael Moore | Reveal | |
Enerjazz | S21 | Making electric vehicle batteries affordable | Active | Delhi, India | 9 | Ravi Bharihoke, Pratik Ranjan Das | Reveal | |
Enso | S21 | Self-Service Data Prep and Blend Built for Data Teams. | Active | Kraków, Poland | 20 | Sylwia Brodacka | Reveal | |
Epinoma | S21 | We engineer proteins that control the operating system of biology. | Active | San Francisco, CA, USA | 8 | Varun Govil, Zhijian Li | Reveal | |
Epsilon3 | S21 | AI-Powered ERP, MES, and Test Software for Complex Operations | Active | Los Angeles, CA, USA | 12 | Laura Crabtree, Max Mednik | Reveal | |
Evidence | S21 | Business intelligence as code | Active | Toronto, ON, Canada | 6 | Adam McAskill, Sean Hughes | Reveal | |
Evidently AI | S21 | Open-source monitoring for machine learning models | Active | San Francisco, CA, USA | 2 | Elena Samuylova, Emeli Dral | Reveal | |
Exa | S21 | Web search rebuilt for LLMs | Active | San Francisco, CA, USA | 22 | William Bryk, Jeffrey Wang | Reveal | |
Examedi | S21 | Uber for Healthcare in Latinamerica | Active | Santiago, Santiago Metropolitan Region, Chile | 3 | Andres Kemeny, Juan Pablo Zepeda | Reveal | |
Female Invest | S21 | Female Invest is a social e-learning app for finance and investing | Active | Copenhagen, Denmark | 35 | Anna-Sophie Hartvigsen, Emma Bitz, Camilla Falkenberg | Reveal | |
Ferveret | S21 | Liquid cooling solutions inspired by nuclear reactor cooling | Active | San Jose, CA, USA | 13 | Reza Azizian, Matteo Bucci | Reveal | |
Filadd | S21 | We help students in Latin America graduate from College. | Active | Córdoba, Cordoba, Argentina | 100 | Joaquin olmedo, Guillermo Bruchmann Tanodi, Nicolás Ferrer, Agustin Trombotto | Reveal |
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