unSurvey
Acquired
What they do:
AI-led market research interviews, no scheduling, instant insights.
Quick facts:
HQ: San Francisco, CA, United States
Y Combinator Winter 2021 Startups
This list has 335 startups and was last updated on Oct 15, 2026. 77 of them are hiring right now. Biggest hubs: San Francisco (85), New York (45), and Bengaluru (17). Largest teams: Redcliffe Lifetech, Zepto, and Tractian.
335 startupsPage 8 of 10
Pry Financials
Acquired
What they do:
Finance for Founders (now at prune.com)
Quick facts:
HQ: San Francisco, CA, United States
Orbillion Bio
Acquired
What they do:
Tasty and scalable cultivated meat at price parity
Quick facts:
HQ: San Francisco, CA, United States
Worksphere
Acquired
What they do:
Manage your hybrid workplace
Quick facts:
HQ: Seattle, WA, United States
Furmacy
Acquired
What they do:
Digital e-prescribing software for veterinarians.
Quick facts:
HQ: San Francisco, CA, United States
ClipDrop
Acquired
What they do:
Turn regular mobile photos into professional product visuals
Quick facts:
Flok
Acquired
What they do:
End to end company retreat planning
Quick facts:
HQ: New York, NY, United States
HyperGlue
Acquired
What they do:
Business intelligence on text
Quick facts:
HQ: San Francisco, CA, United States
Pyroscope
Acquired
What they do:
Open source continuous profiling software to debug performance issues
Quick facts:
HQ: San Francisco, CA, United States
Kitemaker
Acquired
What they do:
A faster and more collaborative alternative to Jira for remote teams
Quick facts:
eqtble
Acquired
What they do:
Turning HR data into actionable insights
Quick facts:
HQ: New York, NY, United States
Stacksi
Acquired
What they do:
Automated Answers to Security Questionnaires
Quick facts:
HQ: Los Angeles, CA, United States
Procoto
Acquired
What they do:
Self-service RFP management
Quick facts:
HQ: Saint Petersburg, FL, United States
Friz
Acquired
What they do:
AI Social Media Manager
Quick facts:
HQ: Singapore
Laudspeaker
Acquired
What they do:
Open source mobile marketing platform. Alternative to appcues /…
Quick facts:
HQ: San Francisco, CA, United States
Roin Technologies
Acquired
What they do:
Building robots to automate commercial concrete construction.
Quick facts:
HQ: San Francisco, CA, United States
TechBiz
Acquired
What they do:
MIS on mobile for SMB's in India
Quick facts:
Partnered
Acquired
What they do:
The network where sales teams connect to share customer introductions.
Quick facts:
HQ: New York, NY, United States
Moxion Power Co.
Shut down
What they do:
Mobile Energy Storage Technology
Quick facts:
HQ: San Francisco, CA, United States
HomeBreeze
Shut down
What they do:
The fastest and easiest way to make home upgrades
Quick facts:
HQ: San Francisco, CA, United States
Finantier
Shut down
What they do:
Plaid for Southeast Asia
Quick facts:
HQ: Singapore
AXAR AI
Shut down
What they do:
Multi-agent orchestration platform
Quick facts:
HQ: San Francisco, CA, United States
Moonshot Brands
Shut down
What they do:
Buy and grow profitable e-commerce companies selling on Amazon and DTC
Quick facts:
HQ: Miami, FL, United States
boitas.com
Shut down
What they do:
Largest B2B eCommerce platform for SMBs in Latin America.
Quick facts:
Faction
Shut down
What they do:
Driverless electric vehicles at a fraction of the cost of a car.
Quick facts:
HQ: San Francisco, CA, United States
ControlHub
Shut down
What they do:
Purchasing Software | Procure-to-Pay SaaS
Quick facts:
HQ: Remote
Unfurl
Shut down
What they do:
A virtual food hall that delivers
Quick facts:
HQ: San Francisco, CA, United States
GoBuild (fka Brick)
Shut down
What they do:
The payments solution for small scale construction.
Quick facts:
HQ: San Francisco, CA, United States
Dataherald
Shut down
What they do:
Embed NL-to-SQL into your Product 📈
Quick facts:
HQ: Los Angeles, CA, United States
Invoid
Shut down
What they do:
Create identity verification workflows the way you want
Quick facts:
Queenly
Shut down
What they do:
Leading marketplace for formalwear
Quick facts:
HQ: San Francisco, CA, United States
Noble
Shut down
What they do:
Risk decisioning platform
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Mystic
Shut down
What they do:
Low latency API to run and deploy ML models
Quick facts:
HQ: Austin, TX, United States
MindPortal
Shut down
What they do:
Thought-to-Language AI Models
Quick facts:
HQ: London, United Kingdom
Krab
Shut down
What they do:
Instant loans for trucking companies in India
Quick facts:
CoVerified
Shut down
What they do:
Using infection data to keep organizations safe
Quick facts:
HQ: Boston, MA, United States