100 Fastest Growing Companies in San Francisco 2025: Top Startups

Congrats to the Fastest Growing Companies in San Francisco for 2025. Back in the 90’s most of the high growth companies were in Silicon Valley, but now San Francisco has just as many startups as SV. In fact, according to our rankings the Top 100 companies in SF has 70% more job openings as the top 100 in SV. These rankings below are based not just on growth in the past year, but also what we predict their growth to be in the future. Our algorithm is based on multiple datasets including estimated revenue growth, competitors comparison, valuations, funding amounts and types, hiring news, current job openings, leadership team changes, and numerous other growth triggers.