SaaS startups in San Francisco

RevenueCat

San Francisco

**A simple API for managing in-app subscriptions** RevenueCat is a mobile SDK and API for managing in-app subscriptions We take the sting out of supporting the complicated subscription systems of the App Store and Google Play Store, and he

Codex Health

San Francisco

Codex is a mission-driven health technology company developing modern, powerful, and intuitive products to help healthcare providers deliver the best outcomes for patients.

Probably Genetic

San Francisco

Probably Genetic operates a data platform for drug developers and patient advocacy groups to identify undiagnosed patients, analyze disease state with ML and at-home testing, and enable early diagnoses, trials, and treatments for severe dis

Nanonets

San Francisco

Nanonets is an AI-driven platform that automates document processing and data extraction using OCR and deep learning, scalable from small deployments to enterprise-grade automation with an API-integrated solution; it counts 35% of Fortune 5

Gem

San Francisco

Gem is a recruiting technology company helping organizations hire great teams; co-founded by CEO Steven Bartel (former Dropbox engineer), it launched in 2018 and has attracted funding from Accel, Greylock, and Y Combinator to modernize recr

Duckbill

San Francisco

Provides financial planning and analysis for enterprise infrastructure to understand, negotiate, and optimize cloud spend. Operates in the cloud cost management space, targeting enterprise customers for cloud spend management and optimizati

SingleStore

San Francisco

**SingleStore** The cloud-native, operational database built for speed and scale. MemSQL is The No-Limits DatabaseTM, powering modern applications and analytical systems with a cloud-native, massively scalable architecture for maximum ing

Senso

San Francisco

Senso.ai is a B2B software and services analytics company delivering generative AI solutions to enterprises, operating under Senso.ai, Senso, and senso.ai; founded by Saroop Bharwani and Thomas Nelson, it aims to help enterprises compete in

Alcove

San Francisco

Alcove offers a platform that enables shared housing in any rental property, facilitating collaborative living across rental properties.

Pickle

San Francisco

Pickle is a New York startup building an AI avatar that speaks in your voice to connect on your behalf, aiming to scale human ties in the age of AI, backed by Y Combinator, NFX, Krew Capital, and BASS Ventures.

Meter

San Francisco

Meter is a vertically integrated infrastructure provider that builds its hardware, software, and operations to create scalable networks and reduce costs, backed by Sequoia, Sam Altman, and Lachy Groom, serving customers like Bridgewater, Ly

Envoy

San Francisco

Envoy Workplace, launched May 2023, is a platform for hybrid workplaces that safely connects and enables collaboration across 20,000+ locations, serving Slack, Pinterest, and Warby Parker; backed by Andreessen Horowitz, Menlo Ventures, Init

Govini

San Francisco

Govini transforms Defense Acquisition from an outdated manual process into a software-driven strategic advantage for the United States, serving the national security community and every department of the military by enabling faster, more in

Homebase

San Francisco

Homebase helps small business teams operate effectively, with more than 100,000 small businesses relying on its offerings.

Cuckoo Labs

San Francisco

Cuckoo Labs uses AI to break down language barriers for global teams with AI-driven language solutions. It is trusted by Snowflake, PagerDuty, Weights & Biases, and ClickHouse to enable global collaboration.

Deepgram

San Francisco

Deepgram is a foundational AI company focused on speech transcription and understanding, building AI for speech. A Y Combinator company and NVIDIA partner, it completed a $72M Series B and says it is most-funded speech AI company at its sta

InfluxData

San Francisco

**InfluxData** The platform for building and operating time series applications. InfluxData, the creators of InfluxDB, delivers a modern Open Source Platform built from the ground up for analyzing metrics and events (time series data) for

Optimizely

San Francisco

**The first all-in-one operating system for marketing** At Optimizely, we're on a mission to help people unlock their digital potential. We do that by reinventing how marketing and product teams work to create and optimize digital experien

Brilliant

San Francisco

Brilliant helps people learn quantitative and technical skills (math, data, CS/AI) to become better problem solvers, serving hundreds of thousands of paid subscribers with ambitions to reach millions, backed by top-tier investors and pursui

WorkRamp

San Francisco

**The All-in-One Learning Platform** WorkRamp is the All-in-One Learning Platform that your executives, employees, and customers will love. WorkRamp advances learning as a growth engine for your business with a flexible platform that empo

Padlet

San Francisco

Padlet is a San Francisco-based software company, founded in 2012 and led by CEO Nitesh Goel, with a 65-person team. Its platform serves over ten million users worldwide, including millions of kids using it as their first Internet creation

SimplyInsured

San Francisco

SimplyInsured provides 100% online health insurance for small businesses, simplifying coverage procurement. Backed by Y Combinator and Silicon Valley investors, it aims to disrupt the $20B health insurance brokerage market and serves thousa

Apollo.io

San Francisco

Apollo.io helps businesses fulfill their market potential by connecting companies with solutions; based in San Francisco, California with a global remote team, it maintains a database of 250 million contacts and 10 million companies and is

SafetyKit

San Francisco

SafetyKit is a content-moderation AI company that replaces human moderators with language models, serving Character.ai, Substack, Upwork, Faire and Eventbrite. Founded by Stripe/Airbnb veterans, it uses open-source and hosted LMs, vision mo

Optifye.ai

San Francisco

It provides production management services powered by vision AI, focusing on applying vision AI to production processes.

Dover

San Francisco

Dover is building the first end-to-end recruiting orchestration platform via a Recruiter Marketplace that connects companies with expert Recruiting Partners; launched in 2024 and now serves 200+ early-stage tech companies, 150+ using its pr

Recurrency

San Francisco

Recurrency builds a streamlined, intelligent ERP that integrates with legacy systems and deploys in as little as one day, focusing on the distribution industry to replace slow, manual ERP with a modern solution.

Invert

San Francisco

Invert Bio, a San Francisco-based biotech startup with 25 employees, aims to reduce the cost and time of using biology to manufacture almost everything. It operates in healthcare and industrial biology to accelerate biomanufacturing across

Salesforce

San Francisco

We're the #1 AI CRM—where humans with agents drive customer success together with AI, data, and Customer 360 apps on one platform. Privacy Statement: http://www.salesforce.com/company/privacy/

Hyperbound

San Francisco

Hyperbound builds the Sales Performance OS, a sales-tech category that helps sales teams observe and replicate top performers’ behaviors for competitive advantage. A YC S23 alumnus with marquee customers (LinkedIn, Monday.com, Autodesk, Van

Arist

San Francisco

Arist is an enterprise enablement company that automates learning end-to-end with AI-powered enablement team embedded in leaders' tools, delivering right knowledge at right moment through private and public LLMs in messaging apps employees

Same

San Francisco

Same enables anyone to prompt software into existence, March 2025 mission that drew 350,000 signups and seven-figure ARR. Led by Aiden Bai and Nisarg Patel, it develops open-source Million.js and React Scan, in production at Airbnb, Robinho

Flockjay

San Francisco

Flockjay empowers people and companies to show up as their best to customers, with a team drawn from Salesforce, Quizlet, and Teach for America, and backed by investors including Y Combinator, Salesforce Ventures, Lightspeed, and Serena Wil

Triomics

San Francisco

Triomics provides an oncology-focused AI engine, OncoLLM, that reduces the burden of manual chart review for cancer care providers and accelerates clinical trial enrollment while powering quality improvement and strategic initiatives.

Zuddl

San Francisco

Zuddl is a modular events platform helping marketers plan and scale programs. It is backed by Y Combinator (2020 batch) and a $13.35M Series A from Alpha Wave, Qualcomm Ventures, GrowX, and Waveform, with clients including Microsoft and Goo

SigNoz

San Francisco

SigNoz is an open-source observability platform that helps developers monitor applications and troubleshoot problems, offering an open-source alternative to DataDog and New Relic. It has a strong community (21k GitHub stars, 6k Slack member

Joon Health

San Francisco

Joon Health offers an integrated digital platform for pediatric behavior disorders (ADHD, autism, anxiety, depression), aiming to become the first-line digital treatment; since 2022 it has 20,000+ paying subscribers and over $6 million in f

Neon Health

San Francisco

Neon Health automates patient access workflows for pharma companies, streamlining benefit verifications, prior authorizations, financial assistance enrollment, onboarding, and adherence management to accelerate access to life-saving treatme