B2B startups in San Francisco

TraceRoot.AI

San Francisco

Open Source AI Agent Improvement Platform

Halluminate

San Francisco

Data and RL environments to automate knowledge work

The Prompting Company

San Francisco

We help products get discovered & used by AI agents.

Nixo

San Francisco

Make every FDE on your team capable of moving any account forward.

Serafis

San Francisco

Deep intelligence for private markets

assistant-ui

San Francisco

Open Source React.js Library for AI Chat

TamLabs

San Francisco

Agent teams for complex work

Sennu AI

San Francisco

We turn traditional companies into AI companies

Outlit

San Francisco

Protect and Grow Long-tail Revenue

Riviera

San Francisco

AI Employees for Hotels

Bystreet

San Francisco

Connect with hotel owners around the world.

Agentin AI

San Francisco

Foundational model research

Lucidic AI

San Francisco

Reimagining how Machines Learn

Cenote

San Francisco

AI agents for conversational commerce

Trim

San Francisco

A foundation model for physics.

careCycle

San Francisco

Voice AI teams for medicare agencies.

Verbiflow

San Francisco

Outbound Sequencing Infrastructure for Startups

Subtrace

San Francisco

Zero code network tracer

Quantstruct

San Francisco

AI documentation engineer – test & autoimprove stale product docs

Blueshoe

San Francisco

The AI-Native Consumer + Plaintiff Law Firm

StarSling

San Francisco

Self-Driving CI: fast AI-native GitHub Actions runners

Cotool

San Francisco

Security operations optimized for agents.

Morphik

San Francisco

AI workers for Skilled Nursing and Senior Living Operations

Clidey

San Francisco

Turn scattered data into one platform for decision-making

Labric

San Francisco

The data layer for scientific research

Kestral

San Francisco

We automate your entire product development lifecycle.

stratify

San Francisco

AI agents that help you understand your customers' needs

Capacitive

San Francisco

The data gateway for agents.

BitBoard

San Francisco

Let your agent build dashboards and reporting.

Kashikoi

San Francisco

Simulation Engine for Benchmarking AI Products

HumanLayer

San Francisco

The multiplayer control plane for your software factory

AutoComputer

San Francisco

Forward Deployed Research Services

Revyl

San Francisco

The Mobile Development Platform

Galini

San Francisco

Compliance guardrails-as-a-service for AI applications

Pump.co

San Francisco

Pump is a cloud cost-savings company using group buying and AI to reduce AWS compute spend for startups; Forbes calls it the 'Costco of Cloud compute,' with 250+ customers and India expansion to save up to 60% on AWS costs.

Atlas

San Francisco

Atlas Card is a San Francisco-based fintech delivering modern spend management and concierge services. Founded in 2022 with 25 employees, its founders are Patrick Mrozowski, Sid Parihar, and Kenan Pulak; the company lists Tom Blomfield as a

Forage

San Francisco

Forage builds payment technology to expand access to government benefits, helping SNAP EBT shoppers stretch grocery budgets and feed 42 million Americans. Backed by Nyca and PayPal Ventures, it aims to become a $1B+ business in a $100B+ mar