Y Combinator (YC) is an American technology startup accelerator launched in March 2005. It has been used to launch more than 4,000 companies, including Airbnb, Coinbase, Cruise, DoorDash, Dropbox, Instacart, Quora, PagerDuty, Reddit, Stripe and Twitch. The combined valuation of the top YC companies was more than $600 billion by January 2023. The company's accelerator program started in Boston and Mountain View, expanded to San Francisco in 2019, and was entirely online during the COVID-19 pandemic. Forbes characterized the company in 2012 as one of the most successful startup accelerators in Silicon Valley.
Samuel Harris Altman is an American entrepreneur, investor, and programmer. He was the co-founder of Loopt and is the current CEO of OpenAI. He was the president of Y Combinator and was briefly the CEO of Reddit.
Lucidworks, a San Francisco, California-based company that specializes in commerce, customer service, and workplace applications.
Figure Eight was a human-in-the-loop machine learning and artificial intelligence company based in San Francisco.
Andreessen Horowitz is a private American venture capital firm, founded in 2009 by Marc Andreessen and Ben Horowitz. The company is headquartered in Menlo Park, California. As of April 2023, Andreessen Horowitz ranks first on the list of venture capital firms by AUM.
Thumbtack is an American home services website. It is an online directory that allows users to search for, rate, and hire local service providers to work on a variety of personal projects, including home improvement, financial and legal services, computer / IT repair and event planning. The company is backed by Sequoia Capital, Tiger Global Management, Javelin Venture Partners, Baillie Gifford, and Capital G, among others.
Kabbage, Inc., is an online financial technology company based in Atlanta, Georgia. The company provides funding directly to small businesses and consumers through an automated lending platform. American Express acquired the company in 2020.
Twilio is an American company based in San Francisco, California, which provides programmable communication tools for making and receiving phone calls, sending and receiving text messages, and performing other communication functions using its web service APIs.
Stripe, Inc. is an Irish-American financial services and software as a service (SaaS) company dual-headquartered in South San Francisco, California, United States and Dublin, Ireland. The company primarily offers payment-processing software and application programming interfaces for e-commerce websites and mobile applications.
AngelList is a U.S. website for startups, angel investors, and job-seekers looking to work at startups. Founded in 2010, it started as an online introduction board for tech startups that needed seed funding. Since 2015, the site allows startups to raise money from angel investors free of charge.
Canopy Labs is a customer analytics company headquartered in Toronto, Ontario, Canada with offices in San Francisco. It was founded in 2012 and offers SaaS marketing analytics for businesses and organizations. The company is an alumnus of the Y Combinator accelerator program. Canopy Labs was acquired by Drop.
Optimizely is an American company that provides digital experience platform software as a service. Optimizely provides A/B testing and multivariate testing tools, website personalization, and feature toggle capabilities, as well as web content management and digital commerce.
GitLab Inc. is an open-core company that operates GitLab, a DevOps software package which can develop, secure, and operate software. The open source software project was created by Ukrainian developer Dmytro Zaporozhets and Dutch developer Sytse Sijbrandij. In 2018, GitLab Inc. was considered the first partly-Ukrainian unicorn.
Gusto, Inc. is a company that provides a cloud-based payroll, benefits, and human resource management software for businesses based in the United States. Gusto handles payments to employees, and contractors and also handles electronically the paperwork necessary to help client companies comply with tax, labor, and immigration laws. Gusto is operational in all 50 US states.
OrderAhead was a mobile ordering and payments company that allowing users to order food for pickup from local restaurants.
OS Fund is an American venture capital fund that invests in early-stage science and technology companies.
Lever is a software company headquartered in San Francisco, California and Toronto, Canada that provides an applicant tracking system for hiring. It was founded in 2012 by Nate Smith, Sarah Nahm, Randal Truong, and Brian Noguchi. It is backed by an advisory board which includes Aaron Levie, Marissa Mayer, and Jeremy Stoppelman.
Verbling is an online language learning platform that pairs individuals with language teachers via video chat. The company was created at Y Combinator in 2011. In 2015, Verbling raised $2.7 million in series A round funding. Funders have included Draper Fisher Jurvetson, SV Angel, Sam Altman, and Joshua Schachter.
CB Insights is a private company with a business analytics platform and global database that provides market intelligence on private companies and investor activities. The platform is targeted at private equity, venture capital, investment banking, angel investing, and consulting professionals by providing insights about high growth private companies.
Flint Capital is an international venture capital firm focused on startups in health technology, cybersecurity, consumer technology, and SaaS. The firm is headquartered in Boston, United States. Flint Capital's managing partners are Dmitry Smirnov, Sergey Gribov, and Andrew Gershfeld.
