Company lists · Data refreshed September 2026
Top 16 Oncology companies based in Seattle, United States
RevenueBase identified 32 company matches for oncology companies associated with Seattle, United States as of September 2026 and tracks 6,437 professional contacts across them, including 2,463 with verified work emails. Across the United States, San Diego is the largest hub for this category (104 companies); Seattle has 32.
This list covers company matches for oncology companies associated with Seattle, 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 20, 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 16 largest oncology companies based in Seattle, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,956 contacts → | ||||
Exact match “Fred Hutch is an independent, nonprofit organization that also serves as the cancer program for UW Medicine.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 816 contacts → | ||||
Exact match “Following the merger of long-time partners, Fred Hutchinson Cancer Research Center and Seattle Cancer Care Alliance to form Fred Hutchinson Cancer Center, this page will no longer…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 205 contacts → | ||||
Exact match “Umoja is developing a new approach to cancer therapy that retools a patient’s immune system in vivo, enhancing the body’s natural capacity to fight cancer.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 99 contacts → | ||||
Exact match “We have merged with Bristol Myers Squibb creating a leading biopharma company, ideally positioned to discover, develop and deliver innovative medicines for patients fighting…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 30 contacts → | ||||
Exact match “Atossa Therapeutics, Inc.(Nasdaq: ATOS) is a biopharmaceutical company developing innovative therapeutics to fight breast cancer, one of the most common and devastating diseases…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 21 contacts → | ||||
Exact match “Moonlight Bio is a Seattle-based, preclinical stage biotech company pioneering the development of cutting-edge cell therapies for the treatment of cancer.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 21 contacts → | ||||
Exact match “Blaze Bioscience, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 13 contacts → | ||||
Exact match “OncoResponse is a privately held biotech company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “What if you could test the efficacy of multiple new cancer drugs in a patient without harmful side effects?” We asked this question when we started Presage to address a…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “SYGNOMICS aims to help clinicians improve patient outcomes at scale by accurately applying systems biology to cancer care.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “MMS specializes in providing comprehensive medical oversight throughout the clinical development process, with a strong focus on oncology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 7 contacts → | ||||
Exact match “Reveal-Dx is a Seattle-based software company whose vision is to dramatically improve lung cancer outcomes.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Deverra Therapeutics is a clinical stage biotechnology company dedicated to the development of allogeneic, off-the-shelf cellular immunotherapies for on-demand treatment of…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Navigating Cancer is at the forefront of oncology care innovation, with the most broadly deployed digital oncology solution in the U.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “OncoSenX is a late stage pre-clinical cancer company headquartered in Seattle, Washington.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 1 contacts → | ||||
Exact match “Symbiodx is a national anatomic pathology and molecular oncology reference laboratory committed to helping pathologists and oncologists provide critical answers in treatment…” Recorded in the RevenueBase company graph · Sep 20, 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 “oncology 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 16 of 32 oncology companies based in Seattle, United States
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Oncology companies based in Seattle, United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, 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 Seattle, United States whose business descriptions match “oncology 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 2,463 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 20, 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.
Oncology companies by metro in the United States
- Oncology companies in San Diego104
- Oncology companies in Cambridge91
- Oncology companies in New York83
- Oncology companies in Boston59
- Oncology companies in Houston52
- Oncology companies in San Francisco39
- Oncology companies in South San Francisco39
- Oncology companies in Los Angeles32
- Oncology companies in Chicago26
- Oncology companies in Philadelphia26
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 “oncology companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oncology companies are there based in Seattle, United States?
RevenueBase identified 32 company matches for oncology companies associated with Seattle, 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?
Fred Hutch 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 oncology companies?
San Diego leads the United States with 104 company records, followed by Cambridge (91) and New York (83). Seattle 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 2,463 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 32 oncology companies based in Seattle, United States. Start with a free account, no credit card.
Download this list →Related lists
Oncology companies by geography
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- Oncology companies based in Mumbai, India
- Oncology companies based in Boston, United States
- Oncology companies based in Cambridge, United States
- Oncology companies based in Chicago, United States
- Oncology companies based in Houston, United States
- Oncology companies based in Los Angeles, United States
- Oncology companies based in New York, United States
- Oncology companies based in Philadelphia, United States
- Oncology companies based in San Diego, United States
- Oncology companies based in San Francisco, United States
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
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- Oncology companies based in Bangalore, India
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Company intelligence · public preview
Top 16 oncology companies based in Seattle, 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 oncology companies based in Seattle, United States, with 6,437 tracked contacts and 2,463 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 16 oncology companies based in Seattle, 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 | Fred Hutchfredhutch.org HQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 4,956 contacts → |
“Fred Hutch is an independent, nonprofit organization that also serves as the cancer program for UW Medicine.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Seattle Cancer Care Allianceseattlecca.org HQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 816 contacts → |
“Following the merger of long-time partners, Fred Hutchinson Cancer Research Center and Seattle Cancer Care Alliance to form Fred Hutchinson Cancer Center, this page will no longer…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Umoja Biopharmaumoja-biopharma.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 205 contacts → |
“Umoja is developing a new approach to cancer therapy that retools a patient’s immune system in vivo, enhancing the body’s natural capacity to fight cancer.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Juno Therapeutics, INCbms.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 99 contacts → |
“We have merged with Bristol Myers Squibb creating a leading biopharma company, ideally positioned to discover, develop and deliver innovative medicines for patients fighting…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Atossa Therapeutics, INCatossatherapeutics.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 30 contacts → |
“Atossa Therapeutics, Inc.(Nasdaq: ATOS) is a biopharmaceutical company developing innovative therapeutics to fight breast cancer, one of the most common and devastating diseases…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Moonlight BIOmoonlightbio.usHQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 21 contacts → |
“Moonlight Bio is a Seattle-based, preclinical stage biotech company pioneering the development of cutting-edge cell therapies for the treatment of cancer.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Blaze Bioscienceblazebioscience.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 21 contacts → |
“Blaze Bioscience, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Oncoresponseoncoresponse.comHQ: Seattle, United StatesReported employees: 1-10 | Seattle, United States | 1-10 | Exact match | 13 contacts → |
“OncoResponse is a privately held biotech company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Presage Biosciences, INCpresagebio.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 10 contacts → |
“What if you could test the efficacy of multiple new cancer drugs in a patient without harmful side effects?” We asked this question when we started Presage to address a…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sygnomicssygnomics.netHQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 7 contacts → |
“SYGNOMICS aims to help clinicians improve patient outcomes at scale by accurately applying systems biology to cancer care.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Medical Monitoring Solutionsmedicalmonitoringsolutions.comHQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 7 contacts → |
“MMS specializes in providing comprehensive medical oversight throughout the clinical development process, with a strong focus on oncology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Reveal-Dxreveal-dx.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 7 contacts → |
“Reveal-Dx is a Seattle-based software company whose vision is to dramatically improve lung cancer outcomes.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Deverra Therapeuticsdeverratx.com HQ: Seattle, United StatesReported employees: 11-50 | Seattle, United States | 11-50 | Exact match | 4 contacts → |
“Deverra Therapeutics is a clinical stage biotechnology company dedicated to the development of allogeneic, off-the-shelf cellular immunotherapies for on-demand treatment of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Navigating Cancernavigatingcancer.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 3 contacts → |
“Navigating Cancer is at the forefront of oncology care innovation, with the most broadly deployed digital oncology solution in the U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Oncosenxoncosenx.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 3 contacts → |
“OncoSenX is a late stage pre-clinical cancer company headquartered in Seattle, Washington.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Symbiodxsymbiodx.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 1 contacts → |
“Symbiodx is a national anatomic pathology and molecular oncology reference laboratory committed to helping pathologists and oncologists provide critical answers in treatment…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 16 of 32 company matches
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Oncology companies: dataset insights
September 20, 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
32 records in the displayed employee bands.
0 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 Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, 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 20, 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 ↗
Oncology companies by metro in the United States
- Oncology companies in San Diego104
- Oncology companies in Cambridge91
- Oncology companies in New York83
- Oncology companies in Boston59
- Oncology companies in Houston52
- Oncology companies in San Francisco39
- Oncology companies in South San Francisco39
- Oncology companies in Los Angeles32
- Oncology companies in Chicago26
- Oncology companies in Philadelphia26
Questions about this company list
What does Exact match mean for oncology 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 oncology companies did RevenueBase find based in Seattle, United States?
The saved snapshot records 32 matching company records, 6,437 tracked contacts and 2,463 verified emails. The public preview displays 16 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 20, 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
Oncology companies by geography
- Oncology companies based in Bangalore, India
- Oncology companies based in Hyderabad, India
- Oncology companies based in Mumbai, India
- Oncology companies based in Boston, United States
- Oncology companies based in Cambridge, United States
- Oncology companies based in Chicago, United States
- Oncology companies based in Houston, United States
- Oncology companies based in Los Angeles, United States
- Oncology companies based in New York, United States
- Oncology companies based in Philadelphia, United States
- Oncology companies based in San Diego, United States
- Oncology companies based in San Francisco, United States
Cite this list
RevenueBase Data Team. Top 16 oncology companies based in Seattle, United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/oncology-companies/united-states/seattle.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oncology companies based in Bangalore, India
- Oncology companies based in Hyderabad, India
- Oncology companies based in Mumbai, India
- Oncology companies based in Boston, United States
- Oncology companies based in Cambridge, United States
- Oncology companies based in Chicago, United States
Company intelligence · public preview
Top 16 oncology companies based in Seattle, United States
RevenueBase records 32 matching company records for oncology companies based in Seattle, United States, with 6,437 tracked contacts and 2,463 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 16 oncology companies based in Seattle, 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 | Fred Hutchfredhutch.org HQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 4,956 contacts → |
“Fred Hutch is an independent, nonprofit organization that also serves as the cancer program for UW Medicine.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Seattle Cancer Care Allianceseattlecca.org HQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 816 contacts → |
“Following the merger of long-time partners, Fred Hutchinson Cancer Research Center and Seattle Cancer Care Alliance to form Fred Hutchinson Cancer Center, this page will no longer…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Umoja Biopharmaumoja-biopharma.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 205 contacts → |
“Umoja is developing a new approach to cancer therapy that retools a patient’s immune system in vivo, enhancing the body’s natural capacity to fight cancer.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Juno Therapeutics, INCbms.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 99 contacts → |
“We have merged with Bristol Myers Squibb creating a leading biopharma company, ideally positioned to discover, develop and deliver innovative medicines for patients fighting…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Atossa Therapeutics, INCatossatherapeutics.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 30 contacts → |
“Atossa Therapeutics, Inc.(Nasdaq: ATOS) is a biopharmaceutical company developing innovative therapeutics to fight breast cancer, one of the most common and devastating diseases…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Moonlight BIOmoonlightbio.us HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 21 contacts → |
“Moonlight Bio is a Seattle-based, preclinical stage biotech company pioneering the development of cutting-edge cell therapies for the treatment of cancer.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Blaze Bioscienceblazebioscience.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 21 contacts → |
“Blaze Bioscience, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Oncoresponseoncoresponse.com HQ: Seattle, United StatesReported employees: 1-10 | Seattle, United States | 1-10 | Exact match | 13 contacts → |
“OncoResponse is a privately held biotech company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Presage Biosciences, INCpresagebio.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 10 contacts → |
“What if you could test the efficacy of multiple new cancer drugs in a patient without harmful side effects?” We asked this question when we started Presage to address a…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sygnomicssygnomics.net HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 7 contacts → |
“SYGNOMICS aims to help clinicians improve patient outcomes at scale by accurately applying systems biology to cancer care.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Medical Monitoring Solutionsmedicalmonitoringsolutions.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 7 contacts → |
“MMS specializes in providing comprehensive medical oversight throughout the clinical development process, with a strong focus on oncology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Reveal-Dxreveal-dx.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 7 contacts → |
“Reveal-Dx is a Seattle-based software company whose vision is to dramatically improve lung cancer outcomes.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Deverra Therapeuticsdeverratx.com HQ: Seattle, United StatesReported employees: 11-50 | Seattle, United States | 11-50 | Exact match | 4 contacts → |
“Deverra Therapeutics is a clinical stage biotechnology company dedicated to the development of allogeneic, off-the-shelf cellular immunotherapies for on-demand treatment of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Navigating Cancernavigatingcancer.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 3 contacts → |
“Navigating Cancer is at the forefront of oncology care innovation, with the most broadly deployed digital oncology solution in the U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Oncosenxoncosenx.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 3 contacts → |
“OncoSenX is a late stage pre-clinical cancer company headquartered in Seattle, Washington.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Symbiodxsymbiodx.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 1 contacts → |
“Symbiodx is a national anatomic pathology and molecular oncology reference laboratory committed to helping pathologists and oncologists provide critical answers in treatment…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Oncology companies: dataset insights
September 20, 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
32 records in the displayed employee bands.
0 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 Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, 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 20, 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 ↗
Oncology companies by metro in the United States
- Oncology companies in San Diego104
- Oncology companies in Cambridge91
- Oncology companies in New York83
- Oncology companies in Boston59
- Oncology companies in Houston52
- Oncology companies in San Francisco39
- Oncology companies in South San Francisco39
- Oncology companies in Los Angeles32
- Oncology companies in Chicago26
- Oncology companies in Philadelphia26
Questions about this company list
What does Exact match mean for oncology 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 oncology companies did RevenueBase find based in Seattle, United States?
The saved snapshot records 32 matching company records, 6,437 tracked contacts and 2,463 verified emails. The public preview displays 16 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 20, 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
Oncology companies by geography
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- Oncology companies based in Cambridge, United States
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- Oncology companies based in Houston, United States
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- Oncology companies based in San Diego, United States
- Oncology companies based in San Francisco, United States
Cite this list
RevenueBase Data Team. Top 16 oncology companies based in Seattle, United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/oncology-companies/united-states/seattle.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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