Compose
What they do:
We make it easy to run databases. PostgreSQL, Redis, MongoDB,…
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HQ: San Francisco, CA, United States
This list has 105 startups and was last updated on Oct 15, 2026. 10 of them are hiring right now. Biggest hubs: San Francisco (77), New York (9), and Chicago (5). Largest teams: GOAT Group, GoCardless, and Segment.
What they do:
We make it easy to run databases. PostgreSQL, Redis, MongoDB,…
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HQ: San Francisco, CA, United States

What they do:
Automatic connects your car to the rest of your digital life.
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HQ: San Francisco, CA, United States
What they do:
SaaS to increase speed and quality of clinical trials.
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HQ: San Francisco, CA, United States

What they do:
Watch that helps you get shit done and limit the mayhem of…
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HQ: San Francisco, CA, United States
What they do:
iOS porting
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HQ: San Francisco, CA, United States

What they do:
Email API service.
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HQ: San Francisco, CA, United States

What they do:
Powering scientific outsourcing
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HQ: San Francisco, CA, United States

What they do:
Order ahead for pickup
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HQ: San Francisco, CA, United States

What they do:
Real-time. Big data. PostgreSQL
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HQ: San Francisco, CA, United States

What they do:
Makes legal paperwork easy for startups and their attorneys.
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HQ: San Francisco, CA, United States

What they do:
Google AdWords for music. Allowing bands and labels to bid for…
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HQ: Los Angeles, CA, United States
What they do:
Grocery deals.
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HQ: Chicago, IL, United States

What they do:
Facebook analytics. Acquired by Unified in January 2013.
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HQ: San Francisco, CA, United States
What they do:
Location sharing. Acquired by Groupon in 2013.
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HQ: San Francisco, CA, United States
What they do:
Self-service display advertising for SaaS and online retail.
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HQ: San Francisco, CA, United States

What they do:
Parse is the easiest way to build apps.
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HQ: San Francisco, CA, United States
What they do:
The future of hardware design. A marketplace for hardware engineering…
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What they do:
Custora is a predictive analytics platform for e-commerce marketing…
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HQ: New York, NY, United States

What they do:
Analytics with action
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HQ: San Francisco, CA, United States

What they do:
Server key management, VPN as a Service, Privacy VPN. Sold to…
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HQ: San Francisco, CA, United States

What they do:
An easy to integrate library for native iOS applications designed to…
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HQ: San Francisco, CA, United States
What they do:
Realtime collaborative coding
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HQ: San Francisco, CA, United States

What they do:
Automate credit counseling.
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HQ: Chicago, IL, United States

What they do:
Sell to people nearby.
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HQ: San Francisco, CA, United States

What they do:
Language learning through video chat.
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HQ: San Francisco, CA, United States
What they do:
Public transit apps. Acquired by Apple in 2013.
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HQ: San Francisco, CA, United States
What they do:
Creativity at Play. Tablet toys. Acquired by Google, 2015.
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HQ: San Francisco, CA, United States

What they do:
Touch-friendly marketing, acquired by Dropbox
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HQ: San Francisco, CA, United States

What they do:
High speed peer to peer data transport technology for consumers…
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HQ: San Francisco, CA, United States
What they do:
Real-time analytics (acq by TWTR, 2012)
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HQ: San Francisco, CA, United States

What they do:
IMDB of conferences.
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HQ: San Francisco, CA, United States
What they do:
Consumer to business messaging.
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HQ: San Francisco, CA, United States

What they do:
Online tutoring marketplace.
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HQ: Chicago, IL, United States

What they do:
Quad is where college students get things done.
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HQ: New York, NY, United States
What they do:
Hyperlinking the real world.
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HQ: Los Angeles, CA, United States

What they do:
Yelp for service pros.
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HQ: New York, NY, United States