Companies based in San Francisco

American independent record label

Justin.tv was a website created by Justin Kan, Emmett Shear, Michael Seibel, and Kyle Vogt in 2007 to allow anyone to broadcast video online. Justin.tv user accounts were called "channels", like those on YouTube, and users were encouraged to broadcast a wide variety of user-generated live video content, called "broadcasts".

newspaper in San Francisco, California

former American financial services company based in San Francisco, California

American financial services and digital payments conglomerate based in San Francisco, California

American aerospace company

American press release company

American multinational data annotation company

Twilio Inc. is an American cloud communications 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.

American video game developer

company offering personal development programs

American company

company

Zendesk, Inc. is an American company that provides software-as-a-service (SaaS) products related to customer support, sales, and other customer communications. The company was founded in Copenhagen, Denmark, in 2007 and is headquartered in San Francisco, California, United States. Zendesk raised about $86 million in venture capital investments before going public in 2014.

website

American animation studio

special effects and movie prop company (until 2017), research and development company (2017 and after)

American company specializing in satellite imaging of Earth

shopping center in San Francisco, California

Spring.me was a social networking service. Until a rebranding in 2013, it was known as Formspring, a question-and-answer-based social network launched in 2009 by Ade Olonoh, the founder of online form builder Formstack.

webpage

Glassdoor is an American website where current and former employees anonymously review companies, operated by the company of the same name.

American pornographic film studio

social network

company

former American game development studio

Vercel Inc. is an American cloud application company. The company created and maintains the Next.js web development framework.

American animation company

global advertising and marketing communications network, headquartered in New York City

The online service imeem was a social media website where users interacted with each other by streaming, uploading and sharing music and music videos. It operated from 2003 until 2009 when it was shut down after being acquired by MySpace.

Adscape Media, Inc. was a San Francisco in-game advertising company specializing in dynamic ad delivery integrated into video game narratives. The technology allowed the placement of both static and dynamic advertisements within interactive entertainment on PC, console, and mobile platforms.

American information technology company

company

American sports news website

American venture capital firm

OQO was a U.S. computer hardware company that was notable for manufacture of handheld computers. Its systems possessed the functionality of a tablet PC in a size slightly larger than a personal digital assistant (PDA). According to Guinness World Records, the "OQO" was the smallest full-powered, full-featured personal computer in 2005. The company's first version of subnotebook computer was the OQO model 01. It had been compared with the Ultra Mobile PC platform, although it was introduced before the UMPC took flight. The company was founded in 2000.

company

RhythmOne , a subsidiary of Nexxen, is an American digital advertising technology company that owns and operates the web properties AllMusic, AllMovie, and SideReel.

Docusign, Inc. is an American software company headquartered in San Francisco, California that provides products for organizations to manage electronic agreements with electronic signatures on different devices. , Docusign has about 1.7 million clients in 180 countries. Signatures processed by Docusign are compliant with the US ESIGN Act and the European Union's eIDAS regulation, including EU Advanced and EU Qualified Signatures.

virtual reality technology subsidiary of Meta Platforms (formerly Oculus VR)

GIF search engine

Airtable is an American cloud collaboration service company headquartered in San Francisco. It was founded in 2012 by Howie Liu, Andrew Ofstad, and Emmett Nicholas. It provides spreadsheet, database, and AI agent services.

Padlet (formerly Wallwisher) is an educational technology startup company based in San Francisco, California and Singapore. Padlet provides a cloud-based software-as-a-service, hosting a real-time collaborative web platform in which users can upload, organize, and share content to virtual bulletin boards called "padlets".

Fastly, Inc. is an American company based in San Francisco, which describes itself as a cloud computing company. Fastly provides content delivery network services, image optimization, and load balancing services. Fastly's cloud security services include denial-of-service attack protection, bot mitigation, and a web application firewall.

game development company

Yanka Industries, Inc., doing business as MasterClass, is an American online education subscription platform on which students can access tutorials and lectures pre-recorded by experts in various fields. The concept for MasterClass was conceived by David Rogier and developed with Aaron Rasmussen.

Prologis, Inc. is a real estate investment trust headquartered in San Francisco, California that invests in logistics facilities. The company was formed through the merger of AMB Property Corporation and Prologis in June 2011, which made Prologis the largest industrial real estate company in the world. As of 2025, the company operates more than 15,000 land acres and over 6,000 buildings comprising about 1.3 billion square feet in 20 countries across North America, Latin America, Europe, and Asia. According to The Economist, its business strategy is focused on warehouses that are located close

online media monitoring company

defunct bookmark synchronization add-on for web browsers

American manufacturer of computer hardware sensor devices

journal aimed at computer programmers

American video game developer

Gensler is a global design and architecture firm headquartered in San Francisco, California. It is the largest architecture firm in the world by revenue and number of architects.

American distribution company and record label

Netlify is a cloud computing company that offers a development platform that includes build, deploy, and serverless backend services for web applications and dynamic websites.

product discovery website

company

SoFi Technologies, Inc. (abbreviated as SoFi) is an American financial technology company. Founded in 2011 by Stanford University students, it operates as a nationally chartered online bank and is a technology provider to other financial institutions. SoFi is the largest U.S. based online lender, and has 13.7 million customers as of 2025.

American video game development company

subscription-based sports news website