Commercial-Scale Lentiviral Vector CDMOs

Last updated: 2026-10-06 · updated as new inspection, certificate, and trial data enters the platform

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CDMOs tracked

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With FDA records

FDA inspections

EMA/MHRA GMP certs

Lentiviral vectors are the workhorse of ex vivo gene therapy — used to engineer T cells for CAR-T, TCR programs, and to modify hematopoietic stem cells for inherited disorders. Because the vector integrates into the genome of patient-bound cells, lentiviral manufacturing carries the regulatory weight of a critical starting material under full GMP, mandatory replication-competent lentivirus (RCL) testing, and BSL-2 containment throughout production.

Selecting a lentiviral vector CDMO comes down to five buyer-critical dimensions: BSL-2 containment maturity and site inspection history on lentivirus specifically, a scalable suspension (or well-run adherent) platform, qualified titer + potency + RCL assays, capacity headroom at your target dose × patient volume, and defensible tech-transfer support. The rankings below score each CDMO on FDA inspection classifications, EMA/MHRA GMP density, ClinicalTrials.gov sponsor breadth, and monitored capacity signals — a composite that reflects the regulatory record and operational depth needed for material that lands in patient-bound cells.

FDA inspection outcomes across these CDMOs: 13 NAI (no action), 16 VAI (voluntary action), 0 OAI (official action). Leading inspection & GMP sites: UNITED KINGDOM (35), United States (25), Denmark (18), Germany (10), France (7).

Last updated 2026-10-06. Sourced from FDA, EMA EudraGMDP, MHRA GMDP, and ClinicalTrials.gov.

#	CDMO	Signal Score	Quality	FDA · GMP	Capacity	Programs
1	TF Thermo Fisher Scientific Plainville, MA · Alachua, FL · Cambridge, MA	81.0	100.0	6 insp · 10 GMP	Available	2 programs
2	AG AGC Biologics Longmont, CO · Milan, IT · Copenhagen, DK · Chiba, JP	78.6	100.0	2 insp · 23 GMP	Available	2 programs
3	OX Oxford Biomedica Oxford, United Kingdom	76.2	100.0	0 insp · 13 GMP	Available	7 programs
4	Lonza Basel, Switzerland	76.0	95.7	2 insp · 8 GMP	—	1 programs
5	CI Cincinnati Children's Vector Production Facility Cincinnati, OH	75.2	100.0	1 insp · 0 GMP	—	1 programs
6	NR National Resilience San Diego, CA · Boston, MA · RTP, NC · Philadelphia, PA	74.5	98.0	1 insp · 0 GMP	Available	9 programs
7	CR Charles River Laboratories Newbury Park, CA · Memphis, TN · Keele, UK · Rockville, MD	90.9	98.3	8 insp · 11 GMP	Limited	0 programs
8	RP ReciBioPharm Keele, UK · Sodertalje, SE	88.0	100.0	0 insp · 3 GMP	—	0 programs
9	PB Pharmaron Biologics San Diego, CA · Shaoxing, China, Liverpool, UK, Ningbo China	86.9	100.0	3 insp · 0 GMP	Available	0 programs
10	BR BioReliance (Merck) Glasgow, UK · Rockville, MD	80.2	97.1	4 insp · 8 GMP	—	0 programs
11	OB OmniaBio Hamilton, ON	79.5	100.0	0 insp · 2 GMP	—	0 programs
12	SK SK pharmteco Dublin, Ireland. Rancho Cordova, CA. King of Prussia, PA. Houston, TX. Korea. France.	79.5	100.0	—	Available	0 programs
13	BB bluebird bio Manufacturing Durham, NC	78.5	—	—	—	0 programs
14	AA Ascend Advanced Therapies London, United Kingdom	78.1	100.0	0 insp · 1 GMP	—	0 programs
15	NG NecstGen Leiden, NL	78.1	100.0	0 insp · 1 GMP	—	0 programs
16	ET Exothera Jumet, BE	78.1	100.0	0 insp · 4 GMP	—	0 programs
17	PG ProBioGen Berlin, DE	78.1	100.0	0 insp · 4 GMP	—	0 programs
18	AD Advent Bioservices London, United Kingdom	78.1	100.0	0 insp · 2 GMP	—	0 programs
19	BV Biovian Turku, Finland	78.0	99.8	1 insp · 4 GMP	—	0 programs
20	AG2 August Bioservices San Carlos, CA	77.5	98.7	1 insp · 0 GMP	—	0 programs
21	IU Indiana University Vector Production Facility Indianapolis, IN	66.3	—	—	—	49 programs

How we score CDMOs →

What to evaluate in a Lentiviral Vector CDMO

Containment & biosafety

Lentivirus requires BSL-2 manufacturing with segregated suites and validated decontamination. Confirm the site's containment design and replication-competent lentivirus (RCL) testing strategy.

Process platform maturity

Suspension culture scales more cleanly than adherent for larger batches. Ask whether the platform is serum-free and how it performs at your target dose and patient volume.

Analytics & potency

Titer, infectivity, and potency assays drive lot release. A CDMO with qualified, established assays de-risks comparability and tech transfer.

Regulatory track record

Cross-check FDA 483 history and EMA/MHRA GMP coverage — both are shown in the rankings above and on each profile.

Lentiviral Vector CDMOs — Frequently Asked Questions

Who are the top Lentiviral Vector CDMOs?

By CDMO Signal's independent Signal Score, the top-ranked Lentiviral Vector CDMOs include Thermo Fisher Scientific, AGC Biologics, Oxford Biomedica. See the full ranked table above — scored on FDA, clinical, financial, and capacity data.

How many Lentiviral Vector CDMOs have FDA inspection records?

CDMO Signal tracks 10 Lentiviral Vector CDMOs with FDA inspection records and 94 EMA/MHRA GMP certificates across the group.

What should I look for in a lentiviral vector CDMO?

Prioritize BSL-2 containment, a mature suspension platform, qualified titer/potency/RCL assays, and a clean FDA and EMA/MHRA record. Match capacity to your dose and patient volume, and confirm tech-transfer support.

How is lentiviral vector manufacturing different from AAV?

Lentivirus integrates into the host genome and is produced under BSL-2 with RCL testing, typically for ex vivo cell engineering. AAV is non-integrating, made at higher volumes, and used mainly for in vivo gene therapy.

Related modalities

Cell Therapy CDMOs CAR-T CDMOs AAV / Gene Therapy CDMOs

Other Modalities

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