SBatch S21

YC S21 Companies

478 Y Combinator S21 startups with verified founder contacts, company status, and team data.

478

Companies

Summer

Season

2021

Year

YC Company Directory

28 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
V-Flow Medical	S21	Transforming the lives of millions of women suffering from chronic…	Inactive	San Clemente, CA, USA	4	Peter Balmforth, Rodney Brenneman, paul sobotka, Darren Spencer	Reveal
Vibe Kanban	S21	Plan and review AI generated code	Active	London, England, United Kingdom	10	Louis Knight-Webb, Gabriel Gordon-Hall	Reveal
Vinco	S21	Retaining employees in LatAm via education	Active	Monterrey, Nuevo Leon, Mexico	35	Lissy Giacoman, Miriam Fernandez, Sofia Sada	Reveal
Vinco	S21	Retaining employees in LatAm via education	Active	Monterrey, N.L., Mexico	35	Lissy Giacoman, Miriam Fernandez, Sofia Sada	Reveal
VitalStrata	S21	AI for risk adjustment integrity	Active	New York, NY, USA	1	Channy Hong	Reveal
Vogent	S21	Build Voice AI Agents	Active	San Francisco, CA, USA	3	Jagath Vytheeswaran, Vignesh Varadarajan	Reveal
WarpBuild	S21	Accelerate software development with WarpBuild's 10x faster CI infra.	Active	San Francisco, CA, USA	5	Surya Oruganti	Reveal
WarpBuild	S21	Accelerate software development with WarpBuild's 10x faster CI infra.	Active	Sydney, NSW, Australia; Remote	8	Surya Oruganti	Reveal
Warpfy	S21	Building Shein of Home: tech-driven, design-mfr Home Lifestyle Brand	Active	Singapore	3	Deepak Garg, Harris Cheng	Reveal
Waterplan	S21	Water risk mitigation for industrial sites	Active	San Francisco, CA, USA; Remote	20	Jose Ignacio Galindo, Nicolas Wertheimer	Reveal
Whalesync	S21	Manage your website from your favorite tools like Airtable and Notion	Active	St. Petersburg, FL, USA; Remote	8	Curtis Fonger	Reveal
Whalesync	S21	Manage your website from your favorite tools like Airtable and Notion	Active	Miami, FL, USA	8	Curtis Fonger	Reveal
Whaly	S21	Whaly is building a self-service analytics platform	Active	Paris, Île-de-France, France	3	Emilien Sanchez, Florian Buguet, Pierre de Poulpiquet	Reveal
Writesonic	S21	Track & Boost Your Brand’s Visibility in AI Search	Active	San Francisco, CA, USA; Remote	35	Samanyou Garg	Reveal
Yemaachi Biotechnology	S21	Diversifying precision cancer diagnostics and treatments	Active	Accra, Ghana	16	Yaw Bediako, Yaw Attua-Afari, David Hutchful, Joyce Ngoi	Reveal
Yummy	S21	The everything app for LATAM	Active	Los Angeles, CA, USA	260	Vicente Zavarce	Reveal
Yummy	S21	The everything app for LATAM	Active	Caracas, Capital District, Venezuela	260	Vicente Zavarce	Reveal
Zage	S21	Pay by bank and earn rewards	Inactive	San Francisco, CA, USA	10	Arsh Shah Dilbagi, Cole Bransford, Ryan Ozminkowski	Reveal
Zaz OS	S21	Lovable for internal products	Active	São Paulo, State of São Paulo, Brazil	9	Murilo Narciso	Reveal
Zaz OS	S21	The custom all-in-one OS for each company.	Active	São Paulo, SP, Brazil	1	Murilo Narciso, Alexandre Maluli	Reveal
Zeit Medical	S21	Immediate stroke detection at home	Active	San Francisco, CA, USA; Redwood City, CA, USA	2	Orestis Vardoulis, Urs Naber	Reveal
Zeit Medical	S21	Immediate stroke detection at home	Active	Redwood City, CA, USA	2	Orestis Vardoulis, Urs Naber	Reveal
Zen	S21	Posture correction software	Active	—	0	Daniel James	Reveal
Zensors	S21	AI to understand and automates the physical world	Active	San Francisco, CA, USA	12	Anuraag Jain	Reveal
Zensors	S21	AI to understand and automates the physical world	Active	San Francisco, CA, USA	12	Anuraag Jain	Reveal
Zoios.	S21	Help start- and scale-ups excel at People, Culture and Performance.	Active	Copenhagen, Denmark	8	Christian Højbo Møller, Mikkel Agesen, Christian H‚Äöæö‚Äöæîjbo	Reveal
Zuma	S21	We help businesses convert leads into sales in minutes using text	Active	San Francisco, CA, USA	30	Shiv Gettu, Kendrick Bradley	Reveal
Zuma	S21	We help businesses convert leads into sales in minutes using text	Active	Los Angeles, CA, USA	50	Shiv Gettu, Kendrick Bradley	Reveal