
Amplitude
What they do:
Digital Analytics Platform
Quick facts:
HQ: San Francisco, CA, United States
This list has 369 startups and was last updated on Oct 15, 2026. 99 of them are hiring right now. Biggest hubs: San Francisco (253), New York (57), and Los Angeles (10). Largest teams: Optimizely, Apollo.io, and Amplitude. Latest round: 23 Broadway Marketing raised $3.27M (Mar 31, 2026).

What they do:
Digital Analytics Platform
Quick facts:
HQ: San Francisco, CA, United States

What they do:
Professional website design and publishing platform.
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HQ: San Francisco, CA, United States

What they do:
Apollo is the foundation of your entire go-to-market strategy.
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HQ: San Francisco, CA, United States

What they do:
Harnesses business activity to unlock growth.
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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

What they do:
Customer support as a service.
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HQ: Dallas, TX, United States

What they do:
The leading Composable CDP and AI Decisioning platform
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HQ: San Francisco, CA, United States

What they do:
Engage customers through personalized omni-channel messaging
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HQ: San Francisco, CA, United States

What they do:
Lob is the only automation platform that transforms direct mail into…
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HQ: New York, NY, United States

What they do:
In-Person, Hybrid and Virtual Event Management Software
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HQ: Atlanta, GA, United States

What they do:
The Agentic Support Platform purpose-built for B2B.
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HQ: San Francisco, CA, United States

What they do:
Turning company knowledge into expert teams
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HQ: San Francisco, CA, United States

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The phone that gives families peace of mind about aging parents
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HQ: San Francisco, CA, United States

What they do:
A place for independent writing.
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HQ: San Francisco, CA, United States

What they do:
AI-powered Sales Agent for Service-Based Industries
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HQ: New York, NY, United States

What they do:
Coaching and gamification software for sales teams.
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HQ: Chattanooga, TN, United States

What they do:
Automated ERP for distributors.
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HQ: San Francisco, CA, United States

What they do:
Salesforce for Cloud marketplaces on AWS, Azure, GCP
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HQ: San Francisco, CA, United States

What they do:
iMessage for Sales
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HQ: New York, NY, United States

What they do:
AI employees that take on real work, starting with sales
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HQ: San Francisco, CA, United States

What they do:
LeadGenius is an account-based marketing and lead generation…
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HQ: San Francisco, CA, United States

What they do:
Marketing analytics for the world's biggest brand marketers
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HQ: San Francisco, CA, United States

What they do:
Premier growth platform for restaurants
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HQ: Lehi, UT, United States

What they do:
OwnLocal automates marketing for over 129,000 SMBs through 3,300…
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HQ: Austin, TX, United States

What they do:
Thunkable is the no-code platform to build powerful native mobile apps
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HQ: San Francisco, CA, United States

What they do:
Marketing automation platform for selling to local businesses.
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HQ: Philadelphia, PA, United States

What they do:
The only end-to-end crowdfunding platform built for today’s creators
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HQ: San Francisco, CA, United States

What they do:
Streak transforms Gmail into a powerful CRM
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HQ: San Francisco, CA, United States

What they do:
SEO & Content Marketing Intelligence
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HQ: Columbus, OH, United States

What they do:
Interactive product demos
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HQ: New York, NY, United States

What they do:
Demo Platform for API-First Companies
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HQ: New York, NY, United States

What they do:
The organic growth engine for financial advisors
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HQ: New York, NY, United States

What they do:
The operating system for inbound B2B revenue
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HQ: San Francisco, CA, United States

What they do:
Swayable predicts consumer opinion and the impact of content
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HQ: New York, NY, United States

What they do:
Revenue Activation Platform
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HQ: San Francisco, CA, United States

What they do:
AI that finds the right buyers and books sales meetings
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HQ: San Francisco, CA, United States
There are 369 startups on this list, last updated on Oct 15, 2026.
99 of them are hiring right now, including Amplitude, Webflow, and Apollo.io.
By team size: Optimizely (1,500 employees), Apollo.io (800 employees), and Amplitude (750 employees).
Latest rounds: 23 Broadway Marketing — $3.27M Equity (Mar 2026).
The biggest hubs are San Francisco (253), New York (57), and Los Angeles (10).