All startups in San Francisco

Weave

San Francisco

Weave applies machine learning to engineering data, scanning every pull request to estimate its duration and evaluate review quality and work type, enabling teams to gain visibility and improve predictability in software delivery.

Ivo

San Francisco

Ivo develops generative AI products for legal teams and an AI-native platform that automates contract review and other legal work, helping teams reduce time, effort, and cost and accelerate time-to-close.

Fay Nutrition

San Francisco

Fay is a healthtech company using AI-powered preventative care to empower people and care teams to avert deterioration, with thousands achieving measurable improvements and $75 million raised from notable investors including General Catalys

11x

San Francisco

11x builds fully autonomous digital workers that automate specific jobs end-to-end, aiming to sell work, not software; a pioneer in digital workers with hundreds of customers including Brex, Otter AI, and Hasura, and millions in revenue in

Fieldguide

San Francisco

Fieldguide offers a vertical AI platform for assurance and advisory firms, founded by ex-Big Four practitioners and tech leaders; headquartered in San Francisco, remote-first, backed by notable investors, trusted by top CPA firms to improve

PostHog

San Francisco

PostHog offers a product analytics platform to help create successful products. It gained traction, including B2B Hacker News launch, 100k+ users, 97% word-of-mouth growth, and top 0.01% GitHub ranking, hosted in US or EU with SOC2, GDPR, a

MERGE

San Francisco

Merge is a leading provider of customer-facing integrations and agent tools for frontier LLMs, serving thousands of customers including Fortune 500s and B2B SaaS firms, with offices in San Francisco, New York, and Berlin.

Merge API

San Francisco

Merge is a leading provider of customer-facing integrations and agent tools for frontier LLMs, serving thousands of customers including Fortune 500s and B2B SaaS firms, with offices in San Francisco, New York, and Berlin.

FERMÀT

San Francisco

Fermat Commerce specializes in post-click experience optimization to boost conversions from paid traffic, enabling experimentation to own the post-click journey. The company offers a Get Started page to book a call and learn more at fermatc

Supergood

San Francisco

Supergood combines observability data with human-in-the-loop code generation to create new integrations and fix existing ones.

DeepTrust

San Francisco

DeepTrust builds the trust layer of the internet by securing live voice and video calls across platforms and automating social-engineering detection and response, providing just-in-time assistance to boost productivity, security, and compli

Anchor AI

San Francisco

The company builds an AI workforce for global logistics to automate complex workflows and deliver real-time intelligence at scale. It has helped clear over $1B of goods through US Customs, underscoring its AI-driven approach to streamlining

ScopeAI

San Francisco

Scope develops AI-enabled software to accelerate industrial inspection workflows, from reporting to asset integrity, and works with leading TIC players to shorten field reporting to 12 minutes and onboard clients seven times faster.

Centralize

San Francisco

Centralize is an AI-powered relationship intelligence platform for enterprise sales teams. Its founding team launched Facebook Shops, Slack Huddles, and Modern Treasury Reconciliation, and it is backed by Y Combinator, Salesforce Ventures,

Fazeshift

San Francisco

Fazeshift offers an AI-driven accounts receivable platform that automates AR processes, reduces manual work, and accelerates revenue cycles for large enterprises. Backed by Y Combinator, Gradient (Google’s AI venture arm), and founded by Ha

Loma

San Francisco

Loma is a click-to-deploy commerce platform for online communities and creators, enabling them to own commerce. Founded by engineers from Instagram, Nextdoor, Wayfair, and Zillow, it has a pre-seed led by Lerer Hippeau and seed round driven

Ciridae

San Francisco

Ciridae delivers AI deployment for private equity-backed clients, employing a Palantir-style forward-deployed model and an internal platform to enable rapid AI deployment. It is expanding from services to software, combining hands-on deploy

Phonic

San Francisco

Reliable Voice AI

Sorcerer

San Francisco

Sorcerer builds a global network of persistent airborne sensors to improve weather forecasting; its system is used daily by meteorologists to track extreme weather across the US and Central America, led by a team with Urban Sky and SumUp ex

Nooks

San Francisco

Nooks is a platform that transforms sales reps from manual laborers to scientists by equipping teams with analytics. It grew from $0 to $5M ARR in two years, expanded 4x in 2023, led by Forbes 30 Under 30 founders.

Noto

San Francisco

Noto provides AI-native vertical software for after-school businesses—tutoring centers, music and art schools—to reduce administrative tasks like registration, rescheduling, and payments, letting owners focus on teaching. Led by CEO AJ Ding

Burnt

San Francisco

Burnt is building an AI brain for global supply chains, starting with the food sector; it already automates over $10M in monthly orders without humans, has raised $3.8M, and plans enterprise deployments across freight, manufacturing, and di

Recall.ai

San Francisco

Recall.ai provides infrastructure for processing meeting data and metadata, enabling enterprises to analyze and derive insights from meetings. Founded in 2020 and headquartered in San Francisco, it serves over 1,000 customers.

Newton

San Francisco

Newton offers a next-generation AI phone system for dental organizations, targeting fast-growing dental groups to streamline patient communication and replace outdated phone systems and clunky tools, delivering unmatched visibility into the

Paraform

San Francisco

Paraform is a recruiting marketplace that connects companies with a network of specialized recruiters to fill roles faster and more accurately. Backed by prominent investors and partners like Palantir and Decagon, it aims to be the first en

Tavus

San Francisco

Tavus is a human computing research lab and pioneer in human computing, building AI Humans to bridge the gap between people and machines and teach machines to be human. Founders Hassaan Raza and Quinn Favret lead Tavus, which is growing.

Unusual

San Francisco

Unusual defines Brand Engineering, a research field that measures how LLMs perceive brands and benchmarks brand performance against peers. Through applied interpretability and narrative-control experiments, it aims to let people shape their

Advex AI

San Francisco

Advex is seed-stage startup backed by Construct Capital, PearVC, founders of Dropbox, Gradient Ventures, with team from CMU, Berkeley AI Research Lab, Google Brain, Scale AI, and Qualcomm, publishing research and winning competitions at ICL

Medra

San Francisco

Medra uses AI, robotics, and biology to accelerate life science research and eradicate disease, building a Scientific Physical AI platform to scale lab work and generate orders of magnitude more data for faster drug development and biology

AirOps

San Francisco

AirOps is the first end-to-end content engineering platform for marketing teams, helping brands get found and stay found in the AI era. With hubs in San Francisco, New York, and Montevideo, it serves marketers and is backed by prominent inv

Incident.io

San Francisco

Incident.io is an all-in-one incident management platform for engineering teams, integrating on-call scheduling, incident response, and status pages with AI-powered automation, serving 10,000+ responders at 600+ companies including Netflix,

Firebender

San Francisco

Firebender is an AI software company that develops AI coding assistance tools. Founded in 2024, it has raised $3.5 million in funding and currently has a team of three.

Argos

San Francisco

Argos builds the AI operating system for in-house legal teams, is based in San Francisco, California, and has $3.5M pre-seed funding as it enters an early stage with pilots launching soon.

AMT

San Francisco

The company builds AI employees to staff non-creative marketing roles, aiming to unlock human creativity by deploying AI to fill every non-creative marketing position.

Synch

San Francisco

Synch, based in New York City, is the first AI-powered Salesforce system of engagement, backed by Y Combinator and executives from Retool, Ramp, and Superhuman. It enables enterprises to manage their Salesforce environment using natural-lan

Chalk

San Francisco

The data platform for inference. Build, deploy, and iterate faster with Chalk's feature engine.

HappyRobot

San Francisco

HappyRobot offers an AI-native operating system for real economy, starting with supply chains. It has raised $62M, including a $44M Series B in Sept 2025, from YC, Andreessen Horowitz, and Base10, led by Pablo and Javier Palafox and Luis Pa

Apriora (YC W24)

San Francisco

Apriora is a recruitment technology company that enables enterprise clients with autonomous AI recruitment powered by conversational AI, backed by thousands of interviews across engineering, IT, retail, and hospitality, and integrations bui

Usul (YC S24)

San Francisco

Usul positions itself as the 'Amazon for Government,' enabling companies to sell to government quickly. With Fortune 500, U.S. Government, and NATO as customers and ARR near $5M, it is scaling a repeatable enterprise motion with internation

Opaque Systems

San Francisco

OPAQUE is the confidential AI platform unlocking sensitive data to securely accelerate AI into production. Created by world-renowned researchers at the Berkeley RISELab, OPAQUE’s user-friendly platform empowers organizations to effortlessly run cloud-scale, general-purpose AI workloads on encrypted data with cryptographic verification of privacy and sovereignty. OPAQUE supports popular languages and frameworks for AI, including Python and Spark, enabling teams to securely combine datasets with cryptographic verification of privacy. OPAQUE customers deploy high-performance AI faster and eliminate the tradeoff between innovation and security.