Company lists · Data refreshed September 2026
Top 21 Biotech companies based in South San Francisco, United States
RevenueBase identified 32 company matches for biotech companies associated with South San Francisco, United States as of September 2026 and tracks 19,365 professional contacts across them, including 9,472 with verified work emails. Across the United States, San Diego is the largest hub for this category (146 companies); South San Francisco has 32.
This list covers company matches for biotech companies associated with South San Francisco, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 14, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 21 largest biotech companies based in South San Francisco, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 17,217 contacts → | ||||
Exact match “About Genentech We're passionate about finding solutions for people facing the world's most difficult-to-treat conditions.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 2 | 1,230 contacts → | ||||
Exact match “Twist Bioscience is a synthetic biology company based in South San Francisco, California.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 3 | 223 contacts → | ||||
Exact match “Formerly based in South San Francisco, California, Onyx Pharmaceuticals was engaged in the development and commercialization of innovative therapies for improving the lives of…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 4 | 116 contacts → | ||||
Exact match “NGM Bio is a biopharmaceutical company focused on discovering and developing novel, life-changing medicines for people whose health and lives have been disrupted by disease.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 5 | 100 contacts → | ||||
Exact match “CytomX Therapeutics, Inc.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 6 | 95 contacts → | ||||
Exact match “Mission Bio is a company of passionate people dedicated to solving complex biological problems with precision engineering, innovative biochemistry, and supported bioinformatics.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 7 | 75 contacts → | ||||
Exact match “Circle Pharma initiated operations in June 2014 with seed funding from Pfizer, Inc.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 8 | 54 contacts → | ||||
Exact match “At TCG Labs Soleil, we are establishing a pioneering venture-biotech model in collaboration with The Column Group.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 9 | 36 contacts → | ||||
Exact match “RemeGen Biosciences is a biopharmaceutical company, focusing on the discovery and development of innovative medicines for the treatment of cancer and autoimmune diseases, based in…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 10 | 34 contacts → | ||||
Exact match “Smash the mutants” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 11 | 27 contacts → | ||||
Exact match “HI-Bio has been acquired by Biogen.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 12 | 18 contacts → | ||||
Exact match “At Apertor we have developed a new class of therapeutics to address one of the toughest challenges in drug discovery, selective disruption of disease-causing protein-protein…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 13 | 17 contacts → | ||||
Exact match “R2M Pharma is a fast growing biotechnology research organization devoted to the discovery of high quality small molecules preclinical development compounds for the treatment of…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “LiVeritas Biosciences enables biopharma companies to fast track drug research & development (R&D) process through mass spectrometry (MS) and digital transformation.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “Pragma Bio exists to find cures for undruggable immunological disorders.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “QLSF Biotherapeutics is an innovative immuno-oncology biotech startup in South San Francisco.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “IgGenix is a clinical-stage, venture backed biotechnology company founded on breakthrough advances in Steve Quake’s laboratory at Stanford in collaboration with allergy clinician…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “Serotiny is a therapeutic discovery company that designs new genes for next generation cell & gene therapies.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “OUTbio Bay Area is the first LGBTQ+ professionals’ group for the biotech industry in the SF Bay Area.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “Biotech Equipment Sales buys and sells biotech equipment worldwide.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “biotech companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 21 of 32 biotech companies based in South San Francisco, United States
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Biotech companies based in South San Francisco, United States at a glance
As of Sep 14, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for South San Francisco, so it is reported there. Company counts and contact totals on this page are exact for South San Francisco, over 32 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with South San Francisco, United States whose business descriptions match “biotech companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 9,472 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 14, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Biotech companies by metro in the United States
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “biotech companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many biotech companies are there based in South San Francisco, United States?
RevenueBase identified 32 company matches for biotech companies associated with South San Francisco, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Genentech tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most biotech companies?
San Diego leads the United States with 146 company records, followed by Boston (98) and Cambridge (82). South San Francisco has 32.
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 9,472 professional contacts with verified work emails tracked across these 32 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 32 biotech companies based in South San Francisco, United States. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 21 biotech companies based in South San Francisco, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 32 matching company records for biotech companies based in South San Francisco, United States, with 19,365 tracked contacts and 9,472 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 biotech companies based in South San Francisco, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Genentechgene.comHQ: South San Francisco, CA, United StatesReported employees: 10001+ | South San Francisco, CA, United States | 10001+ | Exact match | 17,217 contacts → |
“About Genentech We're passionate about finding solutions for people facing the world's most difficult-to-treat conditions.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Twist Biosciencetwistbioscience.comHQ: South San Francisco, CA, United StatesReported employees: 501-1,000 | South San Francisco, CA, United States | 501-1,000 | Exact match | 1,230 contacts → |
“Twist Bioscience is a synthetic biology company based in South San Francisco, California.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: South San Francisco, CA, United StatesReported employees: 501-1,000 | South San Francisco, CA, United States | 501-1,000 | Exact match | 223 contacts → |
“Formerly based in South San Francisco, California, Onyx Pharmaceuticals was engaged in the development and commercialization of innovative therapies for improving the lives of…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  NGM Biopharmaceuticalsngmbio.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 116 contacts → |
“NGM Bio is a biopharmaceutical company focused on discovering and developing novel, life-changing medicines for people whose health and lives have been disrupted by disease.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cytomx Therapeuticscytomx.comHQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 100 contacts → |
“CytomX Therapeutics, Inc.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Mission BIOmissionbio.comHQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 95 contacts → |
“Mission Bio is a company of passionate people dedicated to solving complex biological problems with precision engineering, innovative biochemistry, and supported bioinformatics.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Circle Pharma, INCcirclepharma.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 75 contacts → |
“Circle Pharma initiated operations in June 2014 with seed funding from Pfizer, Inc.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  TCG Labs Soleiltcglsoleil.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 54 contacts → |
“At TCG Labs Soleil, we are establishing a pioneering venture-biotech model in collaboration with The Column Group.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Remegen Biosciencesremegenbio.comHQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 36 contacts → |
“RemeGen Biosciences is a biopharmaceutical company, focusing on the discovery and development of innovative medicines for the treatment of cancer and autoimmune diseases, based in…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Centivaxcentivax.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 34 contacts → |
“Smash the mutants” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Hi-Bio A Biogen Companyhibio.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 27 contacts → |
“HI-Bio has been acquired by Biogen.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Apertor Pharmaceuticalsapertorpharma.comHQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 18 contacts → |
“At Apertor we have developed a new class of therapeutics to address one of the toughest challenges in drug discovery, selective disruption of disease-causing protein-protein…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  R2m Pharma, INCr2mpharma.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 17 contacts → |
“R2M Pharma is a fast growing biotechnology research organization devoted to the discovery of high quality small molecules preclinical development compounds for the treatment of…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Liveritas Biosciences, INCliveritas.bioHQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 16 contacts → |
“LiVeritas Biosciences enables biopharma companies to fast track drug research & development (R&D) process through mass spectrometry (MS) and digital transformation.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Pragma BIOpragmabio.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 13 contacts → |
“Pragma Bio exists to find cures for undruggable immunological disorders.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Qlsf Biotherapeutics, INCqlsfbio.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 12 contacts → |
“QLSF Biotherapeutics is an innovative immuno-oncology biotech startup in South San Francisco.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Iggenix, INCiggenix.comHQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 7 contacts → |
“IgGenix is a clinical-stage, venture backed biotechnology company founded on breakthrough advances in Steve Quake’s laboratory at Stanford in collaboration with allergy clinician…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Serotinyserotiny.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 3 contacts → |
“Serotiny is a therapeutic discovery company that designs new genes for next generation cell & gene therapies.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Outbio BAY Areaoutbiobayarea.orgHQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 3 contacts → |
“OUTbio Bay Area is the first LGBTQ+ professionals’ group for the biotech industry in the SF Bay Area.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Pylum Biosciences, INCpylumbio.com HQ: South San Francisco, CA, United StatesReported employees: Not recorded | South San Francisco, CA, United States | Not recorded | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | biotechequipmentsales.combiotechequip.com HQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Biotech Equipment Sales buys and sells biotech equipment worldwide.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 32 company matches
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Biotech companies: dataset insights
September 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
31 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for South San Francisco, so it is reported there. Company counts and contact totals on this page are exact for South San Francisco, over 32 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Biotech companies by metro in the United States
Questions about this company list
What does Exact match mean for biotech companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many biotech companies did RevenueBase find based in South San Francisco, United States?
The saved snapshot records 32 matching company records, 19,365 tracked contacts and 9,472 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Biotech companies by geography
- Biotech companies based in the United States
- Biotech companies based in the United Kingdom
- Biotech companies based in Brazil
- Biotech companies based in Germany
- Biotech companies based in Spain
- Biotech companies based in France
- Biotech companies based in Canada
- Biotech companies based in Italy
- Biotech companies based in Australia
- Biotech companies based in Switzerland
- Biotech companies based in the Netherlands
- Biotech companies based in Mexico
Cite this list
RevenueBase Data Team. Top 21 biotech companies based in South San Francisco, United States. Snapshot: September 14, 2026. https://revenuebase.ai/companies/biotech-companies/united-states/south-san-francisco.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 21 biotech companies based in South San Francisco, United States
RevenueBase records 32 matching company records for biotech companies based in South San Francisco, United States, with 19,365 tracked contacts and 9,472 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 biotech companies based in South San Francisco, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Genentechgene.com HQ: South San Francisco, CA, United StatesReported employees: 10001+ | South San Francisco, CA, United States | 10001+ | Exact match | 17,217 contacts → |
“About Genentech We're passionate about finding solutions for people facing the world's most difficult-to-treat conditions.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Twist Biosciencetwistbioscience.com HQ: South San Francisco, CA, United StatesReported employees: 501-1,000 | South San Francisco, CA, United States | 501-1,000 | Exact match | 1,230 contacts → |
“Twist Bioscience is a synthetic biology company based in South San Francisco, California.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: South San Francisco, CA, United StatesReported employees: 501-1,000 | South San Francisco, CA, United States | 501-1,000 | Exact match | 223 contacts → |
“Formerly based in South San Francisco, California, Onyx Pharmaceuticals was engaged in the development and commercialization of innovative therapies for improving the lives of…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | NGM Biopharmaceuticalsngmbio.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 116 contacts → |
“NGM Bio is a biopharmaceutical company focused on discovering and developing novel, life-changing medicines for people whose health and lives have been disrupted by disease.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cytomx Therapeuticscytomx.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 100 contacts → |
“CytomX Therapeutics, Inc.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mission BIOmissionbio.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 95 contacts → |
“Mission Bio is a company of passionate people dedicated to solving complex biological problems with precision engineering, innovative biochemistry, and supported bioinformatics.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Circle Pharma, INCcirclepharma.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 75 contacts → |
“Circle Pharma initiated operations in June 2014 with seed funding from Pfizer, Inc.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | TCG Labs Soleiltcglsoleil.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 54 contacts → |
“At TCG Labs Soleil, we are establishing a pioneering venture-biotech model in collaboration with The Column Group.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Remegen Biosciencesremegenbio.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 36 contacts → |
“RemeGen Biosciences is a biopharmaceutical company, focusing on the discovery and development of innovative medicines for the treatment of cancer and autoimmune diseases, based in…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Centivaxcentivax.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 34 contacts → |
“Smash the mutants” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hi-Bio A Biogen Companyhibio.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 27 contacts → |
“HI-Bio has been acquired by Biogen.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Apertor Pharmaceuticalsapertorpharma.com HQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 18 contacts → |
“At Apertor we have developed a new class of therapeutics to address one of the toughest challenges in drug discovery, selective disruption of disease-causing protein-protein…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | R2m Pharma, INCr2mpharma.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 17 contacts → |
“R2M Pharma is a fast growing biotechnology research organization devoted to the discovery of high quality small molecules preclinical development compounds for the treatment of…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Liveritas Biosciences, INCliveritas.bio HQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 16 contacts → |
“LiVeritas Biosciences enables biopharma companies to fast track drug research & development (R&D) process through mass spectrometry (MS) and digital transformation.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pragma BIOpragmabio.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 13 contacts → |
“Pragma Bio exists to find cures for undruggable immunological disorders.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Qlsf Biotherapeutics, INCqlsfbio.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 12 contacts → |
“QLSF Biotherapeutics is an innovative immuno-oncology biotech startup in South San Francisco.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Iggenix, INCiggenix.com HQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 7 contacts → |
“IgGenix is a clinical-stage, venture backed biotechnology company founded on breakthrough advances in Steve Quake’s laboratory at Stanford in collaboration with allergy clinician…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Serotinyserotiny.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 3 contacts → |
“Serotiny is a therapeutic discovery company that designs new genes for next generation cell & gene therapies.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Outbio BAY Areaoutbiobayarea.org HQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 3 contacts → |
“OUTbio Bay Area is the first LGBTQ+ professionals’ group for the biotech industry in the SF Bay Area.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Pylum Biosciences, INCpylumbio.com HQ: South San Francisco, CA, United StatesReported employees: Not recorded | South San Francisco, CA, United States | Not recorded | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | biotechequipmentsales.combiotechequip.com HQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Biotech Equipment Sales buys and sells biotech equipment worldwide.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 32 company matches
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Biotech companies: dataset insights
September 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
31 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for South San Francisco, so it is reported there. Company counts and contact totals on this page are exact for South San Francisco, over 32 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Biotech companies by metro in the United States
Questions about this company list
What does Exact match mean for biotech companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many biotech companies did RevenueBase find based in South San Francisco, United States?
The saved snapshot records 32 matching company records, 19,365 tracked contacts and 9,472 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Biotech companies by geography
- Biotech companies based in the United States
- Biotech companies based in the United Kingdom
- Biotech companies based in Brazil
- Biotech companies based in Germany
- Biotech companies based in Spain
- Biotech companies based in France
- Biotech companies based in Canada
- Biotech companies based in Italy
- Biotech companies based in Australia
- Biotech companies based in Switzerland
- Biotech companies based in the Netherlands
- Biotech companies based in Mexico
Cite this list
RevenueBase Data Team. Top 21 biotech companies based in South San Francisco, United States. Snapshot: September 14, 2026. https://revenuebase.ai/companies/biotech-companies/united-states/south-san-francisco.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗