Leena AI
Hiring
What they do:
We at Leena AI build a virtual assistant that answers employee's…
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HQ: New York, NY, United States
Top B2B Software Startups in the United States
This list has 3,865 startups and was last updated on Oct 15, 2026. 827 of them are hiring right now. Biggest hubs: San Francisco (2,110), New York (555), and Los Angeles (79). Largest teams: Stripe, Deel, and GrubMarket. Latest round: Onebrief raised $151M (Oct 14, 2026).
3,865 startupsPage 2 of 108
Pair Team
Hiring
What they do:
Building the safety net of the future
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HQ: San Francisco, CA, United States
Zip
Hiring
What they do:
The future of B2B spend
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HQ: San Francisco, CA, United States
What they do:
Defender of rights and liberties
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HQ: New York, NY, United States
TRM Labs
Hiring
What they do:
TRM is building a safer world for billions of people.
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HQ: San Francisco, CA, United States
What they do:
Customer communications hub for building strong relationships
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HQ: San Francisco, CA, United States
Magic
Hiring
What they do:
Extremely talented assistants for busy people
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HQ: Washington, DC, United States
What they do:
Improving education for every student.
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HQ: Los Angeles, CA, United States
What they do:
Voice AI Agents for customer engagement, including WhatsApp, SMS &…
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HQ: Austin, TX, United States
HackerRank
Hiring
What they do:
Change the world to value skills over pedigree
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HQ: San Francisco, CA, United States
Sendbird
Hiring
What they do:
The AI agent that doesn’t just support, it delights.
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HQ: San Francisco, CA, United States
People.ai
Hiring
What they do:
Harnesses business activity to unlock growth.
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HQ: San Francisco, CA, United States
Retool
Hiring
What they do:
Build internal tools fast.
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HQ: San Francisco, CA, United States
What they do:
The best way to launch, manage and measure social impact programs
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HQ: Missoula, MT, United States
What they do:
digital mortgage closing
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HQ: Portland, OR, United States
CaptivateIQ
Hiring
What they do:
Agile commission software to design, deploy & adapt commission plans.
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HQ: San Francisco, CA, United States
What they do:
Onebrief makes military headquarters run seamlessly
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HQ: Honolulu, HI, United States
Funding:
$151M · Equity · Oct 2026
What they do:
All-in-one app for internal communication and HR
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HQ: San Francisco, CA, United States
What they do:
The everything app for LATAM
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HQ: Los Angeles, CA, United States
Rescale
Hiring
What they do:
High Performance Computing Built for the Cloud
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HQ: San Francisco, CA, United States
What they do:
The Infrastructure Identity Company
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HQ: San Francisco, CA, United States
Snappr
Hiring
What they do:
Snappr is the one-stop-shop for visual content creation
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HQ: San Francisco, CA, United States
What they do:
Financial dashboard for businesses.
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HQ: San Francisco, CA, United States
What they do:
Contact center AI platform.
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HQ: San Francisco, CA, United States
Qventus
Hiring
What they do:
We automate operations for hospitals and health systems
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HQ: San Francisco, CA, United States
InfluxData
Hiring
What they do:
The platform for building and operating time series applications.
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HQ: New York, NY, United States
Tennr
Hiring
What they do:
Fast, Transparent Patient Experiences
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HQ: New York, NY, United States
Apollo
Hiring
What they do:
Apollo helps engineering teams accelerate delivery
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HQ: San Francisco, CA, United States
HiOperator
Hiring
What they do:
Customer support as a service.
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HQ: Dallas, TX, United States
Fieldguide
Hiring
What they do:
Vertical AI for Audit & Advisory Firms
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HQ: San Francisco, CA, United States
Cyble
Hiring
What they do:
Cyble - World’s First Intelligence-Driven, AI-Native Security…
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HQ: San Francisco, CA, United States
What they do:
Build in a weekend. Scale to millions.
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HQ: San Francisco, CA, United States
Funding:
$150M · Oct 2026
What they do:
Software development platform.
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HQ: San Francisco, CA, United States
What they do:
Inspection software for renewable energy & sustainable infrastructure
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HQ: Los Angeles, CA, United States
What they do:
Protects organizations from getting breached through their APIs.
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HQ: New York, NY, United States
What they do:
The leading Composable CDP and AI Decisioning platform
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HQ: San Francisco, CA, United States