SaaS startups in San Francisco

Modern Treasury

San Francisco

Modern Treasury builds payments operations solutions, focusing on payment operations as core to business. Described as a lean team, this positions the company as a focused provider in the payments operations space for businesses.

Peppr AI

San Francisco

Peppr AI builds an enterprise data and intelligence layer that enables AI agents to learn from how employees work, stitching scattered data into a self-improving, org-wide knowledge base. Deployed at 1,000+ employee enterprises (including C

Etleap

San Francisco

Etleap helps analytics teams quickly and securely connect data sources, simplifying the setup, maintenance, and scaling of data pipelines to drive analytics projects. Backed by First Round Capital, SV Angel, and Y Combinator, it is growing

Turing Labs

San Francisco

Turing Labs Inc. provides an AI-powered SaaS platform for the CPG industry to help companies create new products using data and industry-specific AI, pursuing a more sustainable world; Forbes describes it as 'the Palantir for the CPG indust

Readily

San Francisco

Readily provides AI-powered compliance tools for healthcare organizations, aiming to build the compliance layer for every company and cut admin costs. Founded by Edward Tiong and Wei An Wang, it serves large healthcare clients and reports 3

CTGT

San Francisco

CTGT Inc safeguards reputational risk from GenAI for organizations in the B2B software and services infrastructure market. Based in San Francisco as a seven-employee startup founded by Cyril Gorlla and Trevor Tuttle, Gorlla's efficient AI w

Code Four

San Francisco

Code Four is an AI-first public-safety startup applying artificial intelligence to challenges for municipal, county, state, and federal agencies, positioning itself at the forefront of public-safety technology across multiple government lev

Aden

San Francisco

Aden is an AI-native, multi-agent ERP platform unifying business systems for operations leaders. Customizable and deployable, it uses declarative solutions and AI agents to automate workflows, serving over 100 businesses, including supply c

Nozomio

San Francisco

Nozomio builds context-augmentation infrastructure for AI agents, indexing codebases, documentation, and external sources to provide agents with expanded knowledge. It claims this boosts performance by 27% and emphasizes fast shipping and r

Waypoint Transit

San Francisco

Waypoint Transit automates urban planning to help cities design sustainable, resilient, human-centric environments faster and cheaper, reducing reliance on costly consultants; led by CTO Ryan Johnston and CEO Varun Tandon, leveraging expert

Decipher AI

San Francisco

Decipher AI offers an analytics agent that analyzes session replays to reveal user behavior, automatically uncover and prioritize issues, and reduce churn. It is led by a small team of ex-Googlers, including co-founders Rohan Das and Michae

Sonauto

San Francisco

Sonauto builds a platform for creating, sharing, and listening to music powered by its in-house generative model, Melodia. It aims to democratize music-making, letting beginners express themselves through cutting-edge generative music resea

Shadeform

San Francisco

Shadeform is a cloud GPU marketplace across 15+ providers, building a multi-cloud distributed compute platform to run inference and training workloads anywhere. It serves Fortune 100s, startups, and others, emphasizing capital efficiency an

TypeOS

San Francisco

TypeOS is an education technology company behind VibeGrade and VibeLearn, backed by Y Combinator.

Stardrift

San Francisco

Stardrift is an AI travel search assistant that converts unstructured travel data into structured information to enable a corporate booking experience, launching with USA corporate travel search. Led by Leila Clark, a Princeton CS graduate

Pincites

San Francisco

Pincites is an AI contract negotiation assistant embedded in Microsoft Word that helps legal teams review and redline contracts faster; a YC S23 startup with unicorn customers, it doubled revenue in Q1 2024 and is led by Sona and Mariam.

FuseAI

San Francisco

FuseAI is a Y Combinator–backed enterprise GTM automation platform building an agentic OS to automate go-to-market teams with AI agents. San Francisco-based, eight-employee startup founded by Saurav Bubber and Imogen Low, who bring Deel and

Nitrode

San Francisco

Nitrode is an AI-powered game engine and platform that enables developers to build, launch, and play games, claiming complex and fully functional games can be created in two days. It aims to push development boundaries and revolutionize the

Casco

San Francisco

Casco performs security reviews of web, cloud, and AI applications using supervised AI agents that think like attackers to identify vulnerabilities and provide remediation guides, pioneering AI-driven security testing designed to make softw

Overlap

San Francisco

Overlap builds multimodal video marketing AI agents for media companies, serving some of the world's largest media companies with thousands of creators using its product. Headquartered in San Francisco, it is led by CEO Jonathan Baer and CT

Paragon AI

San Francisco

Paragon AI (S22) provides AI-powered sales technology that extracts information from meetings, emails, and calls to automate tasks, deliver insights, and coach teams, addressing administrative burdens and incomplete CRM data; led by founder

DryMerge

San Francisco

DryMerge provides a platform to create AI agents that connect to apps and automate tasks via a chat interface, emphasizing near-perfect accuracy and deep integrations with Gmail and Salesforce; it is a small Rust/Javascript/Svelte engineeri

Tenjin

San Francisco

Tenjin provides mobile growth infrastructure that organizes, analyzes, and secures data from mobile devices and marketing channels, aiming to replace detached services with an integrated data platform. It operates with a remote-friendly tea

SafeBeat

San Francisco

SafeBeat Rx is a healthcare tech company developing ECG software and a take-home kit to enable at-home initiation of heart medications, backed by YC Summer 2021 and pursuing clinician-approved AI-driven dosing and faster FDA pathways to red

Oxygen

San Francisco

Oxygen is a San Francisco-based modern financial platform offering banking services for digital natives, creators and entrepreneurs. Backed by Runa Capital, Y Combinator and other fintech investors, its banking services are provided by The

Trueplace

San Francisco

Trueplace provides interview-preparation tools through its Confetto AI and Soreno AI platforms, offering resources designed to help individuals prepare effectively for interviews.

Gale

San Francisco

Gale disrupts the $10B immigration services market by delivering a tech-enabled, human immigration process for US H-1Bs that uses automation and AI to boost lawyers' efficiency, reduce costs, and shorten visa turnaround times for U.S. compa

Letter AI

San Francisco

Letter AI provides generative AI-powered sales enablement, unifying training, coaching, and content creation to improve win rates. Since launch, it has onboarded Lenovo and Redpanda as its first customers and secured funding from Y Combinat

WAYLINE

San Francisco

Wayline provides 24/7 support for property managers, serving as a dependable, around-the-clock partner in property management.

Helicone

San Francisco

Helicone is an open-source observability platform for LLM applications, delivering monitoring, optimization, and reliability tools to productionize AI systems. With ~4,000 GitHub stars, a thriving community, 20% MoM growth, and SOC 2 and GD

Stably AI

San Francisco

Stably AI focuses on AI-powered QA testing to help teams deliver software faster. Founded by experts who built testing infrastructure at Google and ML systems at Uber, it positions itself as a leader in AI-powered QA testing.

Toothy AI

San Francisco

Toothy AI automates back-office operations for dental clinics using large language models, led by founders with proven AI-enabled B2B track records (Chen’s SoftBank-backed $1M ARR AI email solution; Kerrigan’s pre-ChatGPT LLM campaign tool)

JustAI

San Francisco

JustAI is a marketing technology company that uses AI to enable 1-to-1 hyper-personalized messaging and continuous always-on testing, reducing operational overhead and accelerating rapid marketing experimentation by moving away from traditi

Origami

San Francisco

The company builds vertical AI agents to handle sales research and develops custom AI web agents. Co-founded by Finn Mallery and Kenson Chung, who previously served as CTO of an enterprise sales platform with $1B+ revenue clients; partnersh

Undermind

San Francisco

Undermind is an AI-powered research agent used by thousands of experts, including top pharma R&D firms and university libraries. Described as the most intelligent science search and synthesis engine, it aims to reinvent research by augmenti

Jiga

San Francisco

Jiga builds a digital, automated, data-driven platform that streamlines procurement of manufactured parts directly from vetted suppliers, connecting buyers with trusted manufacturers to transform traditional manufacturing sourcing.

Lapel

San Francisco

Lapel builds data infrastructure and tools that help customer-facing teams understand every customer and act on insight at scale, pursuing hospitality at scale by unifying context and coordinating action.

Patterns

San Francisco

Patterns aims to make data analysis accessible by using natural language processing and AI to analyze data, aiming to simplify analytics and transform business intelligence, with next-gen financial analysis and AI agents for reporting; tech

Luthor

San Francisco

Luthor is the first AI-native compliance firm for RIAs and broker-dealers, delivering a full-stack program that automates SEC, FINRA, and FinCEN compliance by blending purpose-built LLMs with human expertise (including former SEC attorneys)

ZeroEntropy

San Francisco

ZeroEntropy is a B2B software and services infrastructure company focused on AI-driven information retrieval over complex unstructured data. With a two-person founding team and Y Combinator Winter 2025 participation, it combines mathematics