Keychain Logistics
Shut down
What they do:
Software that connects the supply side of companies that ship product…
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HQ: San Francisco, CA, United States
Top B2B Software Startups in California
This list has 2,349 startups and was last updated on Oct 15, 2026. 592 of them are hiring right now. Biggest hubs: San Francisco (2,110), Los Angeles (79), and San Diego (12). Largest teams: Stripe, Deel, and GrubMarket. Latest round: Modal raised $750M (Oct 14, 2026).
2,349 startupsPage 62 of 66
Profig
Shut down
What they do:
The phone system for businesses. Manage everything from your company…
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HQ: San Francisco, CA, United States
Scoutzie
Shut down
What they do:
Scoutzie is a curated community for the best mobile designers. If…
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HQ: San Francisco, CA, United States
Swish
Shut down
What they do:
Kickstarter for physical products. Shop exclusive product launches.
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HQ: San Francisco, CA, United States
PayTango
Shut down
What they do:
Simple invoicing
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HQ: San Francisco, CA, United States
Trainzen
Shut down
What they do:
Educational assessments made easy. Eliminating paper-based exams in…
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HQ: San Francisco, CA, United States
Posmetrics
Shut down
What they do:
Ultra-short feedback surveys on tablets mounted in businesses. Higher…
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HQ: San Francisco, CA, United States
Prophecy Sciences
Shut down
What they do:
Predicting workplace performance through neuroscience
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HQ: San Francisco, CA, United States
StackMachine
Shut down
What they do:
Instant sandboxed server environments
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HQ: San Francisco, CA, United States
Crowdery
Shut down
What they do:
[Now Clara, YC S14- claralabs.com]
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HQ: San Francisco, CA, United States
GoComm
Shut down
What they do:
Mobile communications platform for teams working on live events
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HQ: San Francisco, CA, United States
Floobits
Shut down
What they do:
Real-time collaborative editing in the browser with support for…
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HQ: San Francisco, CA, United States
LocalOn
Shut down
What they do:
Web marketing for SMBs & merchants associations.
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HQ: San Francisco, CA, United States
Watchsend
Shut down
What they do:
Videos of your iOS apps
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HQ: San Francisco, CA, United States
Butter Systems
Shut down
What they do:
Replacing the paper restaurant menu with an interactive experience at…
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HQ: San Francisco, CA, United States
Kivo
Shut down
What they do:
Git for Documents
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HQ: San Francisco, CA, United States
Threadable
Shut down
What they do:
Mailing lists 2.0. Threadable makes group email less noisy and more…
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HQ: San Francisco, CA, United States
Unicornly
Shut down
What they do:
Unicorn.ly makes fundraising more efficient for both angel investors…
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HQ: San Francisco, CA, United States
AirPair
Shut down
What they do:
Instant access to the world's best software experts via video chat…
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HQ: San Francisco, CA, United States
Doblet
Shut down
What they do:
Doblet solves the phone battery problem. We're building the first…
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HQ: San Francisco, CA, United States
Fixed
Shut down
What they do:
iPhone app to fight your parking tickets.
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HQ: San Francisco, CA, United States
VizeraLabs
Shut down
What they do:
Augmented reality through projectors
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HQ: San Francisco, CA, United States
Paid
Shut down
What they do:
Autopilot for Accounts Receivable
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HQ: San Francisco, CA, United States
Whirl
Shut down
What they do:
Pay instantly with your fingerprint.
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HQ: San Francisco, CA, United States
GroupAhead
Shut down
What they do:
Improve communications with your group's own mobile app.
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HQ: San Francisco, CA, United States
Kickpay
Shut down
What they do:
A platform to finance inventory for e-commerce companies.
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HQ: San Francisco, CA, United States
Omniref
Shut down
What they do:
Sticky notes for code. (We're building a community-powered,…
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HQ: San Francisco, CA, United States
Shift Messenger
Shut down
What they do:
Real-time communication solution for retail and restaurant employees.
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HQ: San Francisco, CA, United States
Automate Ads
Shut down
What they do:
On a mission to programmatically automate, optimize, and unify your…
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HQ: San Francisco, CA, United States
Roomblocker
Shut down
What they do:
Hotel booking for groups and events.
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HQ: San Francisco, CA, United States
Shotput
Shut down
What they do:
Shotput (S15) develops AI and robotics to completely automate…
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HQ: San Francisco, CA, United States
Stitch Health
Shut down
What they do:
Care Coordination Platform for Healthcare
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HQ: San Francisco, CA, United States
Bistrobot
Shut down
What they do:
We make robots that make sandwiches.
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HQ: San Francisco, CA, United States
Interstate Analytics
Shut down
What they do:
Multi-Touch Marketing Analytics
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HQ: San Francisco, CA, United States
Patchwork Security
Shut down
What they do:
Security patch notifications for servers. Build it, deploy it, and…
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HQ: San Francisco, CA, United States
StrongIntro
Shut down
What they do:
StrongIntro helps recruiters turn their entire company into a source…
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HQ: San Francisco, CA, United States