CROs in California

San Diego-based preclinical CRO providing in vitro ADME screening, permeability assays, and metabolic stability studies for drug discovery programmes.

Specialty bioanalytical and analytical CRO providing method development, validation, and sample analysis services for pharmaceutical and biotech companies pursuing FDA submissions.

US-based CRO providing full-service Phase I-IV clinical trial support for small and mid-size pharma and biotech with expertise in CNS, oncology, and infectious disease.

San Diego-based CDMO providing small and large molecule API manufacturing, oligonucleotide synthesis, and ADC conjugation services from pre-clinical through commercial scale.

Full-service CRO integrating translational sciences, clinical pharmacology, bioanalysis, and regulatory strategy from preclinical through Phase IV development.

Global CRO/CDMO providing integrated drug discovery and development services including medicinal chemistry, ADME/PK, pharmacology, and process chemistry from US and China operations.

AI-enabled precision oncology CRO using patient-derived xenograft models and ex vivo pharmacology to generate predictive therapeutic response data for drug developers.

Precision oncology CRO using patient-derived orthotopic xenograft models and predictive AI to guide drug selection and oncology development decisions.

GLP-compliant preclinical CRO specializing in toxicology, pathology, and ADME studies for pharmaceutical, biotech, and agrochemical clients with full necropsy and histopathology capabilities.

US-based clinical-stage CRO arm specialising in endocrinology and cortisol-modulation therapeutics with expertise in Phase I-III metabolic and CNS clinical trials.

Translational oncology and metabolic disease CRO providing tumor models (PDX, syngeneic, humanized), oncology pharmacology, and biomarker services for drug discovery.

San Diego-based CRO specialising in dermatology clinical trials with proprietary non-invasive skin sampling technology for melanoma and inflammatory skin disease studies.

CDMO division of Eurofins providing process development, analytical development, and GMP manufacturing for biopharmaceutical products including monoclonal antibodies and recombinant proteins.

Analytical services CRO specializing in subvisible particle characterization, aggregation analysis, and container closure integrity testing for biologics and pharmaceutical products.

Retina-specialty CRO with offices across Latin America, Asia, and Australia supporting clinical trials in 18+ countries for ophthalmic and rare disease indications.

Phase I-III CRO and integrated research site network specialising in CNS, pain, obesity, and metabolic disease with wholly-owned clinical units in California.

Bioanalytical CRO providing GLP-compliant LC-MS/MS and ligand binding assay services for pharmacokinetic, bioequivalence, and immunogenicity sample analysis to support clinical trials.

California-based bioanalytical CRO providing LC-MS/MS method development, validation, and sample analysis for PK/PD studies supporting IND and NDA submissions.

Bioanalytical and testing laboratory in the San Francisco Bay Area providing biocompatibility testing, extractables and leachables, sterility, and analytical chemistry services for pharma and medical devices.

San Francisco Bay Area testing laboratory providing biocompatibility, extractables/leachables, sterility, and microbiology testing for medical devices and pharmaceutical products.

Specialty preclinical CRO focused on Asia-Pacific markets, providing preclinical safety assessment, pharmacology, and bioanalytical services for small molecule and biologic programs.

California-based cGMP testing laboratory providing raw material testing, stability studies, extractables/leachables, and method development for pharmaceutical and biotech clients.

Specialty CRO focused on cardiometabolic clinical trials. Operates Phase 1–2 studies for obesity, diabetes, NASH/MASH, and cardiovascular endpoints with proprietary biomarker platforms.

California-based clinical CRO providing Phase I-III trial management, monitoring, and project oversight for emerging biotech and small pharma sponsors.

US-based biomanufacturing CDMO founded in 2020 delivering end-to-end development and manufacturing for biologics, mRNA, and cell and gene therapy across a domestic facility network.

Global CDMO with integrated small molecule, biologics, and gene therapy manufacturing including proprietary viral vector platforms across the US, Europe, and Asia.

Decentralized CRO enabling fully virtual and hybrid clinical trials through a proprietary Metasite platform, reducing site burden and improving patient access.

California-based mid-size CRO providing full-service Phase I-III clinical trial management with deep expertise in oncology, rare disease, and CNS for emerging biotech.

Mid-size CRO specializing in clinical development for small and emerging biotech companies. Now part of Allucent, offering Phase 1–3 trial management and regulatory consulting.

Fully integrated dermatology-dedicated CRO providing nonclinical through Phase III development services exclusively for skin disease products since 1997.

Clinical-stage diagnostics and genomic testing company providing companion diagnostic development and biomarker-driven clinical trial services.

Tech-enabled next-generation CRO offering faster and lower-cost clinical trials powered by proprietary software, targeting biotech sponsors in dermatology, oncology, and ophthalmology.