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San Francisco 2567 startups

Tech Startups in San Francisco

Every active San Francisco startup we currently index, sorted by score and momentum.

Open jobs at San Francisco startups →

Last updated

2026-09-02

Hiring right now 5% 116 of 2567

Open roles 4479

City rank #1 of 307 by indexed startups

San Francisco is home to 2567 tech startups indexed on techstartupslist.com. This page lists every active San Francisco company we track, with logos, taglines, and direct links to each company's site — no paywalled middleman. Notable San Francisco startups in the index include Supabase, Linear, Retool, PostHog, and Accord. Each profile surfaces team size, founding year, category, and any open roles their careers page is publicly scrapable for. The San Francisco cohort leans toward AI / ML, Dev Tools, and Healthcare, reflecting how the local startup ecosystem is concentrated. Recurring tags across these companies: Artificial Intelligence, AI, B2B, SaaS, Developer Tools. The directory's filter UI accepts any of them as a query. Y Combinator batches represented in San Francisco: S26, Sp26, S24, and W24, among others. Jump to the per-batch landing pages for batch-specific cohort views. 49 are currently flagged as trending; the listing refreshes whenever the scrape runs so this stays current as San Francisco companies launch, raise, and ship. For roles open at these companies, see /jobs/location/san-francisco — every apply link goes to the company's own site, not an aggregator.

Build in a weekend. Scale to millions.

Developer ToolsOpen SourceBig Data

The issue tracker built for high-performance teams.

SaaSDev ToolsProject Management

Build internal tools fast.

Developer Tools

The single platform to analyze, test, observe, and deploy new features

Developer ToolsB2BOpen Source

The Revenue Excellence Platform

Applied research lab curating data solutions for foundation model…

Artificial IntelligenceB2BData Labeling

Book accommodations around the world.

MarketplaceTravel

A developer-friendly and enterprise-grade search API.

Developer ToolsSaaSB2B

API-first stock and crypto brokerage platform

Developer ToolsFintechAPI

Digital Analytics Platform

Developer ToolsB2BAnalytics

All-in-one recruiting platform that empowers hiring excellence in…

Human ResourcesB2BRecruiting

Unlocking the power of biotech with modern software for modern science

The genetic testing platform detecting and measuring disease.

DiagnosticsGenomics

Powers OTT online video providers with video developer tools.

Developer ToolsVideo

Business accounts, corporate cards, and spend management software.

The world's first private mass transit service providing a commuting…

People infrastructure for the future of work

Artificial IntelligenceComplianceHR Tech

Building foundational AI for speech transcription and understanding.

AI-Enhanced LearningAPIAI

Software development platform.

Open SourceDevOpsEnterprise Software

Backup and share files in the cloud.

Web search rebuilt for LLMs

Developer ToolsSearchAI

The global online platform empowering independent retail.

MarketplaceRetail

The leader in automated data movement

SaaSB2BAnalytics

Platform for global logistics.

SaaSLogisticsSupply Chain

The OS for Embedded Telecom

FintechHR TechAPI

A complete DevOps platform delivered as a single application.

Developer ToolsDevSecOpsOpen Source

Provides growing businesses with everything to take care of their team

B2BPayrollHealth Insurance

Change the world to value skills over pedigree

Developer ToolsRecruiting

The leading Composable CDP and AI Decisioning platform

MarketingEnterprise SoftwareAI

Revenue Activation Platform

AI-Enhanced LearningB2BSales

Marketplace for grocery delivery and pickup

GroceryDeliveryE-commerce

A flexible work app that connects businesses with hourly workers.

Open-source, serverless vectordb for production-scale generative AI

AIOpsMachine LearningOpen Source

Mixpanel is event analytics for builders that need answers.

B2BAnalyticsData Visualization

A single API for all your integrations

Developer ToolsSaaSOpen Source

Emission free, always on power from advanced fission power plants.

Small Modular ReactorsClimate

Reshaping industrial quality with AI, hardware, and software

Deep LearningIoTComputer Vision

Real-time visibility into critical apps and services all in one place.

DevOpsMonitoring

We automate operations for hospitals and health systems

Artificial IntelligenceSaaSDigital Health

The frontpage of the internet.

CommunitySocial MediaSocial

The complete agentic document platform

DocumentsData EngineeringEnterprise Software

Collaborative in-browser IDE

Developer ToolsCollaboration

Supercharge Your Contact Center Operations with AI Phone Agents

Artificial IntelligenceAI

A simple API for managing in-app subscriptions

Developer ToolsSubscriptions

The cloud-native, operational database built for speed and scale.

Economic infrastructure for the internet.

Banking as a ServiceFintechSaaS

TRM is building a safer world for billions of people.

FintechMachine LearningGovTech

Vanta—the proven leader in automated compliance helping startups…

B2BComplianceSecurity

Showing 48 of 2,567 Filter the directory by San Francisco →

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"Artificial Intelligence" startups in San Francisco606 startups "AI" startups in San Francisco572 startups "B2B" startups in San Francisco520 startups "SaaS" startups in San Francisco428 startups "Developer Tools" startups in San Francisco307 startups "Fintech" startups in San Francisco180 startups "Generative AI" startups in San Francisco137 startups "Consumer" startups in San Francisco120 startups

Frequently asked questions

How many tech startups are based in San Francisco?

Our index currently tracks 2567 active tech startups based in San Francisco. New entries appear automatically as they're discovered through our scrapers; shutdowns are flagged inactive and hidden from this listing.

What are the top tech startups in San Francisco?

Among the San Francisco startups indexed here: Supabase, Linear, and Retool, plus 2564 more on this page. Sorting prioritizes curated score and trending signals.

Where can I find startup jobs in San Francisco?

Open roles at indexed San Francisco startups appear on /jobs/location/san-francisco. Each role links directly to the company's official application page.

How often is the San Francisco startup list updated?

Automated scrapers refresh this page on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.