Natero
What they do:
Data-driven customer success platform for B2B SaaS.
Quick facts:
HQ: San Francisco, CA, United States
This list has 268 startups and was last updated on Oct 15, 2026. 70 of them are hiring right now. Biggest hubs: San Francisco (253) and Los Angeles (10). Largest teams: Optimizely, Apollo.io, and Amplitude.
What they do:
Data-driven customer success platform for B2B SaaS.
Quick facts:
HQ: San Francisco, CA, United States

What they do:
Big Data Meets Startup Investing The best tool for tracking and…
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HQ: San Francisco, CA, United States
What they do:
Advertising platform tools for marketplace sellers.
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HQ: San Francisco, CA, United States
What they do:
Animated mobile ads.
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HQ: San Francisco, CA, United States

What they do:
Machine Learning personalization for dynamic digital properties -…
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HQ: San Francisco, CA, United States

What they do:
Nova puts the power of AI to work for you, enabling a more continuous…
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HQ: San Francisco, CA, United States

What they do:
PersistIQ is a free email automation platform to send a small batch…
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HQ: San Francisco, CA, United States

What they do:
Causal Analytics for Growth Teams
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HQ: San Francisco, CA, United States

What they do:
Customize videos to be more relevant and improve business outcomes.
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HQ: San Francisco, CA, United States

What they do:
The best way to collect and analyze voice and video feedback
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HQ: San Francisco, CA, United States

What they do:
AI support agent for your business that actually works
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HQ: San Francisco, CA, United States

What they do:
#1 Data platform for restaurants. Acquired by Thanx
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HQ: San Francisco, CA, United States

What they do:
Automate outbound with signals
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HQ: San Francisco, CA, United States

What they do:
App for B2B companies to find customer stories and advocates
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HQ: San Francisco, CA, United States

What they do:
Now part of thentwrk.com
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HQ: Los Angeles, CA, United States

What they do:
Customer-facing plans for sales teams and their prospects.
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HQ: San Francisco, CA, United States

What they do:
Build Voice AI Agents
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HQ: San Francisco, CA, United States

What they do:
Open source mobile marketing platform. Alternative to appcues /…
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HQ: San Francisco, CA, United States

What they do:
Answer 70% of your support and sales questions. Instantly
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HQ: San Francisco, CA, United States

What they do:
Generative AI Photographer for E-Commerce
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HQ: San Francisco, CA, United States

What they do:
AI Notetaker that automates all your admin work
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HQ: San Francisco, CA, United States

What they do:
We help companies turn their data into great stories.
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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:
Real-time analytics (acq by TWTR, 2012)
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HQ: San Francisco, CA, United States

What they do:
Easy SEM software. Acquired by Twitter in 2011.
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HQ: San Francisco, CA, United States

What they do:
Etacts was born from the frustration of keeping in touch with our ever-growing list of friends (both business and personal), family, coworkers, and clients.…
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HQ: San Francisco, CA, United States
What they do:
Lead intelligence as a service. We want to be your personal lead…
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HQ: San Francisco, CA, United States

What they do:
Bizzy is omni-channel marketing for ecommerce businesses.
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HQ: San Francisco, CA, United States

What they do:
YesGraph recommends exactly who a user should invite to an app. Our…
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HQ: San Francisco, CA, United States

What they do:
Create automated messages -- email, iOS/Android push, SMS and web…
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HQ: San Francisco, CA, United States

What they do:
Sales Agents with 100+ data sources to close more deals
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HQ: San Francisco, CA, United States

What they do:
Self-improving content bank for marketing
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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:
BackType was an analytics company acquired by Twitter in 2011
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HQ: San Francisco, CA, United States

What they do:
Modern customer support platform replacement for Intercom and Zendesk
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HQ: San Francisco, CA, United States

What they do:
Team Selling Platform
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HQ: San Francisco, CA, United States