Company lists · Data refreshed September 2026

Top 25 Rare disease gene therapy companies worldwide

RevenueBase identified 650 company matches for rare disease gene therapy companies worldwide as of September 2026 and tracks 68,014 professional contacts across them, including 34,098 with verified work emails. The United States is the largest market and Boston the largest hub.

This list covers company matches for rare disease gene therapy companies worldwide, 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 21, 2026. Country and city lists for rare disease gene therapy companies follow the table.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
650Companies
68,014Contacts tracked
34,098Verified emails
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The 25 largest rare disease gene therapy companies worldwide

Ranked by team size
Top 25 of 650 company matches for rare disease gene therapy companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSouth San Francisco, CA, United StatesHQ recorded Sep 21, 202610001+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 21, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20265,001-10,0008,099 contacts →

Exact match

“Vertex is a global biotechnology company that invests in scientific innovation to create transformative medicines for people with serious diseases and has made significant…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Sep 21, 20261,001-5,0006,136 contacts →

Exact match

“Alexion, AstraZeneca Rare Disease is focused on pioneering new possibilities for the rare disease community.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchSan Rafael, CA, United StatesHQ recorded Sep 21, 20261,001-5,0003,943 contacts →

Exact match

“Founded in 1997, BioMarin is a global biotechnology company dedicated to transforming lives through genetic discovery.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchDublin, GermanyHQ recorded Sep 21, 20261,001-5,0003,593 contacts →

Exact match

“Jazz Pharmaceuticals plc (Nasdaq: JAZZ), is a global biopharmaceutical company whose purpose is to innovate to transform the lives of patients and their families.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchNovato, CA, United StatesHQ recorded Sep 21, 20261,001-5,0001,556 contacts →

Exact match

“Leading with purpose.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchCambridge, MA, United StatesHQ recorded Sep 21, 2026501-1,0001,359 contacts →

Exact match

“Sarepta Therapeutics, headquartered in Cambridge, Massachusetts, is a global biotechnology company on an urgent mission: engineer precision genetic medicine for rare diseases that…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchCarlsbad, CA, United StatesHQ recorded Sep 21, 2026501-1,0001,313 contacts →

Exact match

“For three decades, Ionis has invented medicines that bring better futures to people with serious diseases.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchWarren, NJ, United StatesHQ recorded Sep 21, 2026501-1,0001,212 contacts →

Exact match

“PTC is a patient-centered biopharmaceutical company focused on discovering, developing & commercializing medicine for children and adults living with rare and serious disease.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchLeiden, NetherlandsHQ recorded Sep 21, 2026201-500976 contacts →

Exact match

“Pharming Group is a global biopharmaceutical company dedicated to transforming the lives of patients with rare, debilitating, and life-threatening diseases.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchPalo Alto, CA, United StatesHQ recorded Sep 21, 2026501-1,000837 contacts →

Exact match

“We exist to bring transformative medicines to people living with genetic conditions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchCambridge, MA, United StatesHQ recorded Sep 21, 2026501-1,000603 contacts →

Exact match

“Agios is a commercial-stage biopharmaceutical company dedicated to redefining the future of rare disease treatment.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchResearch Triangle Park, NC, United StatesHQ recorded Sep 21, 2026501-1,000510 contacts →

Exact match

“AskBio Inc, a wholly owned and independently operated subsidiary of Bayer AG, is a fully integrated gene therapy company dedicated to developing life-saving medicines and changing…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchSan Diego, CA, United StatesHQ recorded Sep 21, 2026201-500491 contacts →

Exact match

“Our mission is to identify, develop and deliver life-changing therapies to people living with rare disease.#InRareForLife Community Guidelines…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchCambridge, MA, United StatesHQ recorded Sep 21, 2026201-500474 contacts →

Exact match

“Intellia Therapeutics is a leading clinical-stage biopharmaceutical company focused on revolutionizing medicine leveraging CRISPR gene editing and other core technologies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchColumbus, OH, United StatesHQ recorded Sep 21, 2026201-500456 contacts →

Exact match

“Forge, a member of Ajinomoto Bio-Pharma Services, is a gene therapy development engine, focused on enabling access to life changing gene therapies and helping bring them from idea…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchLondon/new York, United KingdomHQ recorded Sep 21, 202651-200398 contacts →

Exact match

“MeiraGTx (Nasdaq: MGTX) is a vertically integrated, clinical-stage genetic medicine company with a broad pipeline of late-stage clinical programs supported by end-to-end…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchRockville, MD, United StatesHQ recorded Sep 21, 2026201-500393 contacts →

Exact match

“REGENXBIO is a leading clinical-stage biotechnology company seeking to improve lives through the curative potential of gene therapy.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchStamford, CT, United StatesHQ recorded Sep 21, 2026201-500392 contacts →

Exact match

“SpringWorks Therapeutics, a healthcare company of Merck KGaA, Darmstadt, Germany, is a commercial-stage biopharmaceutical company dedicated to improving the lives of patients with…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchAmsterdam, United StatesHQ recorded Sep 21, 202651-200349 contacts →

Exact match

“uniQure is delivering on the promise of gene therapy - single treatments with potentially curative results.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchWaltham, MA, United StatesHQ recorded Sep 21, 2026201-500326 contacts →

Exact match

“Sobi is an international specialty healthcare company dedicated to developing treatments and extensive patient support networks for people with rare and difficult to treat…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 21, 202651-200311 contacts →

Exact match

“Corporate Overview Lexicon Pharmaceuticals is a biopharmaceutical company that has harnessed the power of genetics for drug discovery.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchSomerville, MA, United StatesHQ recorded Sep 21, 2026201-500302 contacts →

Exact match

“Tessera Therapeutics is a biotechnology company pioneering a new approach to genome engineering through the development of its Gene Writing™ and delivery platforms, with the aim…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchPittsburgh, PA, United StatesHQ recorded Sep 21, 2026201-500300 contacts →

Exact match

“A commercial-stage biotechnology company focused on the discovery, development and commercialization of genetic medicines for high unmet medical needs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchÉvry, FranceHQ recorded Sep 21, 2026201-500293 contacts →

Exact match

“Généthon est un laboratoire à but non lucratif, créé et soutenu par l’AFM-Téléthon depuis 1990.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 650 rare disease gene therapy companies worldwide

See the full list, filter by size, metro and specialty, and access 34,098 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Rare disease gene therapy companies worldwide at a glance

As of Sep 21, 2026
50.1%Verified-email coverage
104.6Average contacts per company
11-50Median size (employees)
4.0%Largest-city concentration · Boston
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
267
11-50
217
51-200
100
201-500
39
501-1,000
12
1,001-5,000
8
5,001-10,000
2
10001+
3

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for rare disease gene therapy companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “rare disease gene therapy 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. 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 34,098 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 21, 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.

Rare disease gene therapy companies by location

3 lists · largest first

Every Rare disease gene therapy companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “rare disease gene therapy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many rare disease gene therapy companies are there worldwide?

RevenueBase identified 650 company matches for rare disease gene therapy companies worldwide 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 country has the most rare disease gene therapy companies?

The United States leads with 313 companies, followed by France (37) and the United Kingdom (29). Every rare disease gene therapy companies list by country and city is linked on this page.

Which city has the most rare disease gene therapy companies?

Boston leads with 26 company records, followed by Cambridge (24) and San Diego (18).

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 34,098 professional contacts with verified work emails tracked across these 650 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 21, 2026.

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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.