> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/san-francisco-ca/biotechnology-research/ # Biotechnology Companies in San Francisco, CA The bigger biotechnology companies headquartered in San Francisco, CA, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the biotechnology companies counted in San Francisco, CA, the biggest by headcount range include Vir Biotechnology, Astellas Gene Therapies and Fibrogen. They are mostly very small: 76% have 50 or fewer employees. ## Which biotechnology companies are in San Francisco? Among the companies whose public profile lists Biotechnology Research as their industry and San Francisco, CA as their headquarters, the biggest by headcount range include Vir Biotechnology, Astellas Gene Therapies, Fibrogen, Biotech Connection - Bay Area and Vial. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Vir Biotechnology | 201 to 500 | | Astellas Gene Therapies | 201 to 500 | | Fibrogen | 201 to 500 | | Biotech Connection - Bay Area | 201 to 500 | | Vial | 51 to 200 | | Biomakers | 51 to 200 | | Olema Oncology | 51 to 200 | | Brightseed | 51 to 200 | | Better Therapeutics | 51 to 200 | | Syapse | 51 to 200 | | T-Knife Therapeutics | 51 to 200 | | Allstripes Now Picnichealth | 51 to 200 | | Ossium Health | 51 to 200 | | Nucleate Bay Area | 51 to 200 | | Premier Biosoft | 51 to 200 | | Casi Pharmaceuticals | 51 to 200 | | Sillajen | 51 to 200 | | Grace Science Foundation | 51 to 200 | | Evexia Bio Fund | 51 to 200 | | Clinpro Trials | 51 to 200 | | Adynxx | 51 to 200 | | Ucsf Institute For Neurodegenerative Diseases | 51 to 200 | | Advanced Genetic Systems | 51 to 200 | | Biocommons | 51 to 200 | | Z-Score Health | 11 to 50 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## What do biotechnology companies in San Francisco do? Biotechnology Research is a broad label. The most common NAICS codes among them are 541714 (28%), 541511 (22%) and 325412 (17%). **Figure: What biotechnology companies in San Francisco do.** Bars for the share of counted biotechnology companies with each code: 541714 28%, 541511 22%, 325412 17%, 541618 11%, 322219 6%, 513210 6%, 531210 6%. *Share of counted biotechnology companies in San Francisco by their NAICS code.* [NAICS 541714](https://enrich.chat/naics/541714/)[NAICS 541511](https://enrich.chat/naics/541511/)[NAICS 325412](https://enrich.chat/naics/325412/)[NAICS 513210](https://enrich.chat/naics/513210/)[NAICS 531210](https://enrich.chat/naics/531210/) ## How big are they? 76% of the biotechnology companies counted in San Francisco have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of biotechnology companies in San Francisco.** Seven columns for the share of counted biotechnology companies in San Francisco in each employee range: 11 to 50 76%, 51 to 200 20%, 201 to 500 4%, 501 to 1,000 0%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted biotechnology companies in San Francisco in each employee range.* ## How old are they? Most were founded in the 2010s (63%), then the 2020s (27%). **Figure: When biotechnology companies in San Francisco were founded.** Eight columns for the share of counted biotechnology companies in San Francisco founded in each era: Before 1960 0%, 1960s 0%, 1970s 0%, 1980s 0%, 1990s 4%, 2000s 6%, 2010s 63%, 2020s 27%. *Share of counted biotechnology companies in San Francisco by the era they were founded in, for the ones that list a founding year.* ## How biotechnology companies compare - 90% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at biotechnology companies in San Francisco? The people to talk to are usually research operations, finance and procurement leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the biotechnology companies in San Francisco, CA ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the research operations, finance and procurement leaders at biotechnology companies in San Francisco, CA, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Other industries in San Francisco: [Software Companies](https://enrich.chat/companies-in/san-francisco-ca/software-development/)[Technology and Internet Companies](https://enrich.chat/companies-in/san-francisco-ca/technology-information-and-internet/)[IT Services Companies](https://enrich.chat/companies-in/san-francisco-ca/it-services-and-it-consulting/)[Financial Services Companies](https://enrich.chat/companies-in/san-francisco-ca/financial-services/)[Advertising Agencies](https://enrich.chat/companies-in/san-francisco-ca/advertising-services/)[Real Estate Companies](https://enrich.chat/companies-in/san-francisco-ca/real-estate/)[Construction Companies](https://enrich.chat/companies-in/san-francisco-ca/construction/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/san-francisco-ca/hospitals-and-health-care/)[Consulting Firms](https://enrich.chat/companies-in/san-francisco-ca/business-consulting-and-services/)[Nonprofit Organizations](https://enrich.chat/companies-in/san-francisco-ca/non-profit-organizations/)[Venture Capital and Private Equity Firms](https://enrich.chat/companies-in/san-francisco-ca/venture-capital-and-private-equity-principals/)[Design Firms](https://enrich.chat/companies-in/san-francisco-ca/design-services/)[Architecture Firms](https://enrich.chat/companies-in/san-francisco-ca/architecture-and-planning/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/san-francisco-ca/staffing-and-recruiting/)[Law Firms](https://enrich.chat/companies-in/san-francisco-ca/law-practice/)[Cybersecurity Companies](https://enrich.chat/companies-in/san-francisco-ca/computer-and-network-security/)[Colleges and Universities](https://enrich.chat/companies-in/san-francisco-ca/higher-education/)[Education Organizations](https://enrich.chat/companies-in/san-francisco-ca/education-administration-programs/)[Legal Services Firms](https://enrich.chat/companies-in/san-francisco-ca/legal-services/)[All of San Francisco](https://enrich.chat/companies-in/san-francisco-ca/) Biotechnology Companies in other cities: [San Diego, CA](https://enrich.chat/companies-in/san-diego-ca/biotechnology-research/)[Cambridge, MA](https://enrich.chat/companies-in/cambridge-ma/biotechnology-research/)[Boston, MA](https://enrich.chat/companies-in/boston-ma/biotechnology-research/)[Durham, NC](https://enrich.chat/companies-in/durham-nc/biotechnology-research/) ## Frequently asked questions ### Which are the biggest biotechnology companies in San Francisco? Among those counted, they include Vir Biotechnology, Astellas Gene Therapies, Fibrogen, Biotech Connection - Bay Area and Vial, ranked by headcount range. ### How big are biotechnology companies in San Francisco? 76% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### Which companies count as biotechnology research? Companies whose public profile lists Biotechnology Research as their industry and whose headquarters are in San Francisco, CA. ## Try this prompt Find the people at biotechnology companies in San Francisco ```text Use www.enrich.chat to find the research operations, finance and procurement leaders at biotechnology companies in San Francisco, CA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/software-development/) - [Technology and Internet Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/technology-information-and-internet/) - [IT Services Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/it-services-and-it-consulting/) - [Financial Services Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/financial-services/) - [Biotechnology Companies in San Diego](https://enrich.chat/companies-in/san-diego-ca/biotechnology-research/) - [Biotechnology Companies in Cambridge](https://enrich.chat/companies-in/cambridge-ma/biotechnology-research/) - [Biotechnology Companies in Boston](https://enrich.chat/companies-in/boston-ma/biotechnology-research/) - [Biotechnology Companies in Durham](https://enrich.chat/companies-in/durham-nc/biotechnology-research/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)