Outsourcing gene therapy (AAV or viral vector) means buying specialist help across vector design, preclinical and IND-enabling studies, and the hard part: GMP viral vector and plasmid DNA manufacturing with potency, infectivity, and empty-versus-full capsid analytics. On BioBridgeX, buyers source and compare qualified CROs and CDMOs in one place, free for buyers, with BioBridgeX as the neutral marketplace.
Gene Therapy (AAV / Viral Vector) CRO and CDMO vendors (86)
TRiCBIO
VCHP Clinical Solutions
Symbiosis Pharmaceutical Services
CDMO · Aseptic Fill-Finish, Drug Product Manufacturing, QC & Release Testing
Advanced BioScience Laboratories (ABL)
CDMO · Viral Vector Manufacturing, Process Development, Analytical Development
Merck KGaA (MilliporeSigma / Sigma-Aldrich CTDMO)
CRO & CDMO · Viral Vector Manufacturing, Cell Therapy Manufacturing, mRNA / RNA Manufacturing
Vernal Biosciences
CDMO · mRNA / RNA Manufacturing, LNP / Delivery Formulation, Plasmid DNA Manufacturing
Ascend Advanced Therapies
CDMO · Viral Vector Manufacturing, Process Development, Analytical Development
IDT Biologika
CDMO · Viral Vector Manufacturing, Process Development, Analytical Development
Vibalogics (ReciBioPharm / Recipharm)
CDMO · Viral Vector Manufacturing, Process Development, Analytical Development
VectorBuilder
CRO & CDMO · Viral Vector Manufacturing, Plasmid DNA Manufacturing, Process Development
Pharmaron (Biologics / CGT)
CRO & CDMO · Viral Vector Manufacturing, Plasmid DNA Manufacturing, Cell Therapy Manufacturing
Esco Aster
CDMO · Viral Vector Manufacturing, Plasmid DNA Manufacturing, Cell Therapy Manufacturing
3PBIOVIAN (3P Biopharmaceuticals + Biovian)
CDMO · Viral Vector Manufacturing, Plasmid DNA Manufacturing, Cell Therapy Manufacturing
PackGene Biotech
CRO & CDMO · Viral Vector Manufacturing, Plasmid DNA Manufacturing, mRNA / RNA Manufacturing
SK pharmteco
CDMO · Viral Vector Manufacturing, Plasmid DNA Manufacturing, Cell Therapy Manufacturing
The Center for Breakthrough Medicines
CDMO · Viral Vector Manufacturing, Cell Therapy Manufacturing, Plasmid DNA Manufacturing
ElevateBio BaseCamp
CDMO · Cell Therapy Manufacturing, Viral Vector Manufacturing, Process Development
Minaris Advanced Therapies
CDMO · Cell Therapy Manufacturing, Viral Vector Manufacturing, Process Development
Genezen
CDMO · Viral Vector Manufacturing, Cell Therapy Manufacturing, Plasmid DNA Manufacturing
Viralgen (AskBio)
CDMO · Viral Vector Manufacturing, Process Development, Analytical Development
Andelyn Biosciences
CDMO · Viral Vector Manufacturing, Plasmid DNA Manufacturing, Process Development
Forge Biologics (Ajinomoto)
CDMO · Viral Vector Manufacturing, Plasmid DNA Manufacturing, Process Development
National Resilience
CDMO · Viral Vector Manufacturing, Cell Therapy Manufacturing, mRNA / RNA Manufacturing
FUJIFILM Biotechnologies (formerly FUJIFILM Diosynth)
CDMO · Viral Vector Manufacturing, Cell Therapy Manufacturing, Process Development
Oxford Biomedica
CDMO · Viral Vector Manufacturing, Plasmid DNA Manufacturing, Process Development
WuXi Advanced Therapies
CRO & CDMO · Viral Vector Manufacturing, Cell Therapy Manufacturing, Plasmid DNA Manufacturing
Catalent
CDMO · Viral Vector Manufacturing, Cell Therapy Manufacturing, Plasmid DNA Manufacturing
GenScript ProBio
CDMO · Cell Line / Strain Development, Process Development, Analytical Development
3PBIOVIAN
CDMO · Cell Line / Strain Development, Process Development, Analytical Development
ProBioGen
CDMO · Cell Line / Strain Development, Process Development, Analytical Development
Northway Biotech
CDMO · Cell Line / Strain Development, Process Development, Analytical Development
AGC Biologics
CDMO · Cell Line / Strain Development, Process Development, Analytical Development
FUJIFILM Diosynth Biotechnologies
CDMO · Cell Line / Strain Development, Process Development, Analytical Development
Catalent Biologics
CDMO · Cell Line / Strain Development, Process Development, Analytical Development
Thermo Fisher Scientific (Patheon)
CRO & CDMO · Process Development, Drug Substance: Small Molecule / API, Analytical Development
Lonza
CRO & CDMO · Drug Substance: Small Molecule / API, Process Development, Analytical Development
Eurofins (Pharma Discovery & Bioanalytical Services)
CRO & CDMO · Bioanalytical Services, Central Laboratory Services, Genetic Toxicology
NorthEast BioLab
CRO · Bioanalytical Services, Immunogenicity & Immunotoxicology, Biomarker Discovery & Development
Synexa Life Sciences
CRO · Biomarker Discovery & Development, Bioanalytical Services, Immunogenicity & Immunotoxicology
CellCarta
CRO · Biomarker Discovery & Development, Bioanalytical Services, Immunogenicity & Immunotoxicology
Certara
CRO · PK/PD & Modeling, Biostatistics & Statistical Programming, Medical Writing
LabConnect
CRO · Central Laboratory Services, Biomarker Discovery & Development, Clinical Data Management
Labcorp
CRO & CDMO · Central Laboratory Services, GLP Toxicology, Safety Pharmacology
Q2 Solutions
CRO · Central Laboratory Services, Biomarker Discovery & Development, Bioanalytical Services
BioAgilytix Labs
CRO · Bioanalytical Services, Immunogenicity & Immunotoxicology, Biomarker Discovery & Development
GemPharmatech
CRO · In Vitro Pharmacology, Target ID & Validation, Biomarker Discovery & Development
Labcorp (Labcorp Drug Development)
CRO · In Vitro Pharmacology, DMPK / ADME, GLP Toxicology
The Jackson Laboratory (JAX)
CRO · In Vitro Pharmacology, Biomarker Discovery & Development, Target ID & Validation
JOINN Laboratories / Biomere
CRO · GLP Toxicology, Safety Pharmacology, Toxicokinetics (TK)
KCAS Bio
CRO · Bioanalytical Services, Biomarker Discovery & Development, Immunogenicity & Immunotoxicology
IQVIA Laboratories (Q2 Solutions)
CRO · Bioanalytical Services, Biomarker Discovery & Development, DMPK / ADME
Lovelace Biomedical
CRO · GLP Toxicology, Safety Pharmacology, Toxicokinetics (TK)
Vivotecnia
CRO · GLP Toxicology, Safety Pharmacology, Genetic Toxicology
BioAgilytix
CRO · Bioanalytical Services, Immunogenicity & Immunotoxicology, Biomarker Discovery & Development
Crown Bioscience
CRO · In Vitro Pharmacology, Biomarker Discovery & Development, Assay Development & Screening
WuXi AppTec
CRO & CDMO · GLP Toxicology, Safety Pharmacology, Genetic Toxicology
Inotiv
CRO · GLP Toxicology, Safety Pharmacology, Genetic Toxicology
Labcorp (Labcorp Drug Development / former Covance)
CRO & CDMO · GLP Toxicology, Safety Pharmacology, Genetic Toxicology
Charles River Laboratories
CRO & CDMO · GLP Toxicology, Safety Pharmacology, Genetic Toxicology
Avance Clinical
CRO · Clinical Operations, Phase 1 / Early Clinical Unit, Clinical Data Management
TFS HealthScience
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Cytel
CRO · Biostatistics & Statistical Programming, Clinical Data Management, Clinical Operations
Precision for Medicine
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Pharmaron
CRO & CDMO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
WuXi Clinical
CRO · Clinical Operations, Phase 1 / Early Clinical Unit, Clinical Data Management
Tigermed
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
CMIC Group
CRO & CDMO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Linical
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
ClinChoice
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Emmes
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
ProPharma
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Novotech
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Premier Research
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Veristat
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Caidya
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Allucent
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
PSI CRO
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
Worldwide Clinical Trials
CRO · Clinical Operations, Phase 1 / Early Clinical Unit, Clinical Data Management
Syneos Health
CRO · Clinical Operations, Phase 1 / Early Clinical Unit, Clinical Data Management
Medpace
CRO · Clinical Operations, Phase 1 / Early Clinical Unit, Clinical Data Management
Fortrea
CRO · Clinical Operations, Phase 1 / Early Clinical Unit, Clinical Data Management
PPD (Thermo Fisher Scientific)
CRO · Clinical Operations, Phase 1 / Early Clinical Unit, Clinical Data Management
Parexel
CRO · Clinical Operations, Phase 1 / Early Clinical Unit, Clinical Data Management
ICON plc
CRO · Clinical Operations, Phase 1 / Early Clinical Unit, Clinical Data Management
IQVIA
CRO · Clinical Operations, Clinical Data Management, Biostatistics & Statistical Programming
What does it take to develop and manufacture a Gene Therapy (AAV / Viral Vector) drug?
Gene therapy stretches a development team across two very different worlds. The early science looks like any biologics program: pick a transgene, choose or engineer a capsid serotype that reaches the target tissue, design the expression cassette and promoter, then prove in preclinical models that the construct does what you claim without lighting up the immune system. The hard, expensive reality lands later, in CMC. The vector you make is not a small molecule with a clean structure; it is a population of viral particles, some full of your genome and some empty, and your process and your analytics define the product as much as the sequence does. That is why so many gene therapy programs that read well on biology stall at manufacturing.
A typical program needs a CRO for the discovery and preclinical work (capsid screening, biodistribution and shedding studies, immunogenicity and GLP toxicology in a relevant species), then a CDMO for process development and GMP supply. The manufacturing side is where the specialist gap is widest. Upstream, you are running either a transient transfection process (three or four plasmids into HEK293 cells, which means you also need GMP plasmid DNA) or a producer or packaging cell line. Downstream, you are clarifying, concentrating, and polishing with affinity chromatography and tangential flow filtration, then trying to separate full capsids from empty ones, often by anion exchange or gradient ultracentrifugation. Each step bleeds yield, and AAV yields are low to begin with, so process choices made early ripple straight into cost of goods and how many patients a batch can dose.
The analytics are the part generalists underestimate. You need vector genome titer (qPCR or ddPCR), capsid titer, the full-to-empty ratio, infectivity and potency assays that tie back to mechanism, residual host cell DNA and protein, residual plasmid and helper, replication-competent virus testing, and aggregation. A CDMO that has built and qualified these assays for AAV, and ideally has a platform process across serotypes, is in a different category from a contract biologics shop that lists gene therapy on a capabilities page. Specialist viral vector CDMOs differ from generalists in three concrete ways: a real platform process they can adapt rather than invent from scratch, a qualified AAV-specific analytical panel, and people who have actually carried a vector through a regulatory filing and the FDA potency and comparability questions that come with it.
Frequently asked questions
What is the difference between a gene therapy CRO and a viral vector CDMO?
How much does AAV gene therapy manufacturing cost and how long does it take?
Why does the full-to-empty capsid ratio matter when choosing a CDMO?
Should I use a transient transfection process or a stable producer cell line?
Do I need a CDMO with prior FDA or EMA gene therapy filing experience?
Can BioBridgeX handle a program that needs both a preclinical CRO and a viral vector CDMO?
Source Gene Therapy (AAV / Viral Vector) work with one contract
Compare transparent quotes from qualified Gene Therapy (AAV / Viral Vector) CRO and CDMO vendors, then contract once. Free for buyers.
Compare quotes