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Series B Companies in San Francisco

Explore 354 series b startups based in San Francisco, United States. Access verified founder contact information and fundraising data.

Total Companies
354
Total Funding
$1.2B
Avg Funding
$48.0M
Industries
16

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Blockchain
$70.0M
raised

0x is an open protocol that enables peer-to-peer trading of assets.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$78.0M
raised

Replicant is a contact center automation software that helps companies automate their most common customer service requests.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Developer Tools
$30.0M
raised

Comfy is a modular interface that allows users to design and execute advanced stable diffusion pipelines through a graph-based interface.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Chatbot
$140.0M
raised

Manychat is a chat marketing platform that helps businesses automate conversations and engage with customers across messaging channels.

Apr 2025
Series B

Founder Contacts

41,000+ verified contacts

Angel Investment
$44.0M
raised

AngelList is a fundraising platform that allows investors to connect with and invest directly in early-stage startups.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Advertising

Mutiny helps B2B companies generate pipeline and revenue from their target accounts through AI-powered personalized web experiences.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

$34.0M
raised

Demostack provides assistance to software companies in creating, delivering, and analyzing demos.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Developer Tools
$18.5M
raised

Knowledge infrastructure for agents

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Biotechnology
$27.0M
raised

Spiral Therapeutics is a clinical-stage pharmaceutical company delivering therapies for inner ear disorders.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Biotechnology

Stämm is transforming biomanufacturing with nature-inspired, scalable, and sustainable solutions.

Apr 2023
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Advertising

Brave Software focuses on increasing browsing speed and safety for users, while growing ad revenue share for content creators.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Agentic AI
$80.0M
raised

depthfirst develops an AI-powered security platform for detecting, triaging, and remediating software vulnerabilities.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

Accounting
$55.0M
raised

Doss provides an adaptive resource platform (ARP) that integrates core business functions.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

Commercial
$42.0M
raised

Shepherd is an Insurtech that offers tech-enabled insurance for commercial construction.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

Blockchain
$8.8M
raised

Ribbon Finance creates structured products that deliver sustainable yield using financial engineering for DeFi.

Mar 2022
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Biometrics
$50.0M
raised

NCX enables corporations to support landowners and their forests through its forest carbon marketplace.

Mar 2022
Series B

Founder Contacts

41,000+ verified contacts

Human Resources
$40.0M
raised

Paraform is an sgentic hiring platform that connects hiring teams with specialized recruiters to streamline the hiring process.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Ramen VR is transforming game development with XR and AI tools and is also known for creating the bestselling VR game “Zenith: Nexus”.

Mar 2022
Series B

Founder Contacts

41,000+ verified contacts

Consumer

Fitbod allows users to maximize the use of indoor gym equipment and confidence to train effectively for strength.

Mar 2023
Series B

Founder Contacts

41,000+ verified contacts

Agentic AI
$350.0M
raised

Adept AI is a machine learning research platform that develops AI systems that enable human-computer collaboration.

Mar 2023
Series B

Founder Contacts

41,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 354 funded startups

41,000+ verified emails
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Food and Beverage

Shef is a homemade food marketplace that helps cooks make an income by cooking and selling food to their communities.

Mar 2023
Series B

Founder Contacts

41,000+ verified contacts

Agentic AI

Rox leverages AI agents to enhance sales productivity, providing actionable insights that help close deals.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

$20.0M
raised

Amara Organic Foods is a food technology company that offers families the benefits of fresh homemade goods.

Mar 2024
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$80.0M
raised

Juicebox provides an AI platform for talent sourcing, recruiting, and engagement.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

Agentic AI
$32.0M
raised

Enboarder sits above the HR & IT stack to orchestrate guided, cross-functional workflows that improve retention & drive productivity.

Feb 2022
Series B

Founder Contacts

41,000+ verified contacts

Showing 101 to 125 of 354 companies

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