What they do:
Plaid for trading
Quick facts:
HQ: Fredericton, Canada
Top B2B Startups
This list has 3,431 startups and was last updated on Oct 15, 2026. 897 of them are hiring right now. Biggest hubs: San Francisco (1,811), New York (387), and London (120). Largest teams: Deel, 99minutos, and GrubMarket. Latest round: Onebrief raised $151M (Oct 14, 2026).
3,431 startupsPage 21 of 96
HOKALI
Hiring
What they do:
After School & Enrichment Activities Marketplace
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Automated QA for your Digital Analytics
Quick facts:
What they do:
Build and deploy fully‑managed AI agents and workflows
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HQ: London, United Kingdom
Cosine
Hiring
What they do:
Fully Agentic SWE
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HQ: London, United Kingdom
Variance
Hiring
What they do:
AI Agents for Fraud Review and Investigations
Quick facts:
HQ: San Francisco, CA, United States
inBuild
Hiring
What they do:
Workflow Automation for Construction Finance
Quick facts:
HQ: Wilmington, DE, United States
AIVideo.com
Hiring
What they do:
Superhuman video production as a service
Quick facts:
HQ: San Francisco, CA, United States
Every
Hiring
What they do:
Banking + Payroll/Benefits + Bookkeeping + Tax in one place
Quick facts:
HQ: San Francisco, CA, United States
Kobalt Labs
Hiring
What they do:
AI-powered risk and compliance for financial institutions
Quick facts:
HQ: New York, NY, United States
RetailReady
Hiring
What they do:
An AI-powered supply chain compliance engine
Quick facts:
HQ: San Francisco, CA, United States
Unsloth AI
Hiring
What they do:
Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.
Quick facts:
HQ: San Francisco, CA, United States
Drillbit
Hiring
What they do:
Automating Office Work for Residential Contractors.
Quick facts:
HQ: Austin, TX, United States
Zeit AI
Hiring
What they do:
The autonomous data engineer for the mid-market
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Intryc
Hiring
What they do:
Intryc is the unified quality assurance, governance, and training…
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HQ: San Francisco, CA, United States
Cartage
Hiring
What they do:
Autonomous freight coordination
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HQ: San Francisco, CA, United States
AthenaHQ
Hiring
What they do:
Be the Answer in AI Search - AI SEO across SEO, GEO & AEO
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HQ: San Francisco, CA, United States
Fuse AI
Hiring
What they do:
Agentic Sales Platform
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HQ: San Francisco, CA, United States
Sixtyfour
Hiring
What they do:
Intelligence Infrastructure on People and Entities
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HQ: San Francisco, CA, United States
idler
Hiring
What they do:
Hill-climb any benchmark, for any model, in any domain.
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HQ: San Francisco, CA, United States
Etleap
Hiring
What they do:
Etleap is an ETL solution for creating perfect data pipelines.
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HQ: San Francisco, CA, United States
What they do:
Automated SEO for Startups
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HQ: New York, NY, United States
Wasmer
Hiring
What they do:
The Operating System for Edge Computing
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HQ: San Francisco, CA, United States
What they do:
GimBooks makes Bookkeeping Easy for small business owners
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HQ: Raipur, India
What they do:
We provide a curated, evidence- based answer to any clinical question.
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HQ: Atlanta, GA, United States
Rebill
Hiring
What they do:
Financial infrastructure for the Americas
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HQ: Buenos Aires, Argentina
Happl
Hiring
What they do:
Your personalised benefits and engagement platform for global teams
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HQ: London, United Kingdom
What they do:
Org design and workforce planning platform to drive org transformation
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Layerup
Hiring
What they do:
Agentic AI OS for Financial Services and Insurance
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HQ: San Francisco, CA, United States
PrimeVault
Hiring
What they do:
Infrastructure powering stablecoin and digital finance
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1stCollab
Hiring
What they do:
Performance-Optimized Influencer Marketing at Scale
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HQ: San Francisco, CA, United States
What they do:
Enterprise-Grade OpenTelemetry
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HQ: Boston, MA, United States
What they do:
B2B-2C real-time account to account payments
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Twenty
Hiring
What they do:
Open Source CRM
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Clearest Health
Hiring
What they do:
AI revenue recovery for underpaid healthcare claims.
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HQ: New York, NY, United States
Skyvern
Hiring
What they do:
Open Source AI Agent to automate browser workflows via an API
Quick facts:
HQ: San Francisco, CA, United States