Top Late-stage venture companies in San Francisco

the leading data lab that builds real-world RL environments to train models and agents

• Series unknown
• 8.5k employees
• Founded 2022

Rippling is a workforce management system that eliminates the friction from running a business. Today, most companies struggle with everything from routine tasks, like running payroll, to cross-functional planning, like aligning on headcount. That’s because all their data related to people, processes, and systems is scattered in a hundred places. Rippling has every application you need to run your business—from applicant tracking and payroll to IT and expenses—in one place. But unlike other systems, Rippling sits on top of a unified platform. Data flows dynamically between Rippling’s applications, giving every team a shared source of truth, the power to automate processes, and access to the insights they need. This allows your business to execute better, faster.Based in San Francisco, CA, Rippling has raised $1.2B from the world’s top investors—including Kleiner Perkins, Founders Fund, Sequoia, Greenoaks, and Bedrock.Get help: rippling.com/contactLicensing details: https://app.rippling.com/licensing

• Series G
• 7.8k employees
• Founded 2016

Yelp connects people with great local businesses. Our users have contributed more than 265 million rich, local reviews of almost every type of local business, from restaurants, boutiques, and salons to dentists, mechanics, plumbers, and more. We are powered by a global community of collaborative people with shared values. Our employees are tenacious individuals who believe in our mission to connect people to great local businesses. In our remote-first workplace, your work makes a difference, you are seen as a whole person, and you are supported in your personal and professional growth. Your #FiveStarCareer starts here.

• Series E
• 7.2k employees
• Founded 2004

HackerOne is a global leader in Continuous Threat Exposure Management (CTEM) and the only solution provider that pairs the simultaneous trust of the Fortune 500 and the world's largest community of security researchers to secure the AI-native enterprise. The H1 Platform unites agentic AI solutions with security researchers ingenuity to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions like bug bounty, vulnerability disclosure, agentic pentesting, AI red teaming, and code security, HackerOne delivers measurable, continuous reduction of cyber risk for enterprises. Industry leaders, including Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems. HackerOne was recognized in Gartner’s Emerging Tech Impact Radar: AI Cybersecurity Ecosystem report for its leadership in AI Security Testing.

• Series unknown
• 7.1k employees
• Founded 2012

Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of powerful AI systems.Turing helps customers in two ways: Working with the world’s leading AI labs to advance frontier model capabilities in thinking, reasoning, coding, agentic behavior, multimodality, multilinguality, STEM and frontier knowledge; and leveraging that work to build real-world AI systems that solve mission-critical priorities for companies.Powering this growth is Turing’s talent cloud—an AI-vetted pool of 4M+ software engineers, data scientists, and STEM experts who can train models and build AI applications. All of this is orchestrated by ALAN—our AI-powered platform for matching and managing talent, and generating high-quality human and synthetic data to improve model performance. ALAN also accelerates workflows for model and agent evals, supervised fine-tuning, reinforcement learning, reinforcement learning with human feedback, preference-pair generation, benchmarking, data capture for pre-training, post-training, and building AI applications.Turing—based in San Francisco, California—was named #1 on The Information’s annual list of “Top 50 Most Promising B2B Companies,” and has been profiled by Fast Company, TechCrunch, Reuters, Semafor, VentureBeat, Entrepreneur, CNBC, Forbes, and many others. Turing’s leadership team includes AI technologists from Meta, Google, Microsoft, Apple, Amazon, X, Stanford, Caltech, and MIT.

• Series E
• 7k employees
• Founded 2018