The Cellular and Gene Therapy CDMO ecosystem spans upstream raw‑material sourcing, midstream process development and manufacturing, and downstream logistics and market access. Upstream participants supply viral vectors, cell culture media, and specialized consumables, while technology providers deliver platform instruments and software for cell expansion, gene editing, and analytics. Midstream actors—process developers, contract development and manufacturing organisations (CDMOs), and system integrators—translate platform capabilities into GMP‑compliant production lines. Downstream, distributors, regulatory consultants, and payer networks enable product release, clinical distribution, and reimbursement. Value is created through the coordinated transformation of biological inputs into clinically viable cell or gene products and captured by service fees, licensing, and outcome‑based contracts. Interoperability between platform hardware and software, as well as alignment with clinical trial designs, further integrates upstream and downstream activities.