Tech Startups in South San Francisco

About startups in South San Francisco

South San Francisco is home to 4 tech startups indexed on techstartupslist.com. This page lists every active South San Francisco company we track, with logos, taglines, and direct links to each company's site — no paywalled middleman. Notable South San Francisco startups in the index include Assembly, Culture Biosciences, Nectome, and Zenflow. Each profile surfaces team size, founding year, category, and any open roles their careers page is publicly scrapable for. The South San Francisco cohort leans toward Healthcare and Dev Tools, reflecting how the local startup ecosystem is concentrated. Recurring tags across these companies: Logistics, Manufacturing, China, Cellular Agriculture, Biotech. The directory's filter UI accepts any of them as a query. Y Combinator batches represented in South San Francisco: W18, S15, and W15. Jump to the per-batch landing pages for batch-specific cohort views. the listing refreshes whenever the scrape runs so this stays current as South San Francisco companies launch, raise, and ship. For roles open at these companies, see /jobs/location/south-san-francisco — every apply link goes to the company's own site, not an aggregator.