You have reached a page from a list we created in 2010 for the “HOTTEST COMPANIES IN SAN FRANCISCO.” We have discontinued this page however we are now tracking the fastest growing companies in San Francisco on a monthly basis with Growjo. The data we are pulling includes number of employees, employee growth, number of job openings, news events, growth triggers, mergers, acquisitions, new offices, locations, hiring plans, funding, valuations, and annual revenue estimates. Here is the current list of the fastest growing companies in San Francisco. You will see larger hot startups like Coinbase and Tradeshift, as well as up and comers like Ironclad, Benchling, Zumper, and The Pill Club. In addition to the fastest growing companies in San Francisco, we also have the fastest growing companies in Silicon Valley.