The CDMO's Role in Pharmaceutical Manufacturing: What They Do and Why Outsourcing Keeps Growing

The CDMO's Role in Pharmaceutical Manufacturing

The CDMO's role in pharmaceutical manufacturing is to take on the development and production work that a drug company chooses not to do in-house, from early formulation through to commercial supply. By outsourcing to a specialist, pharmaceutical and biotech companies cut costs, reach expertise and equipment they do not own, and keep their own teams focused on discovery and commercialization.

This guide explains what a CDMO is, what it does across the drug lifecycle, why the sector is growing so quickly and how a company decides what to outsource.

Looking for a specialized pharmaceutical manufacturing partner?

Explore Evik's lyophilization capabilities or contact our Lyo expert team to discuss your project.

What Is a CDMO?

CDMO stands for contract development and manufacturing organization: a company that provides outsourced drug development and manufacturing services, from R&D through to commercial production. It is easiest to understand against its neighbors:

Partner Type What It Stands For What It Mainly Does
CRO Contract research organization Research and clinical trials
CMO Contract manufacturing organization Manufacturing a product that is already developed
CDMO Contract development and manufacturing organization Both development and manufacturing, under one roof

The "D" is the important part. A CMO makes what you hand it; a CDMO also helps create the formulation and the process, then scales and manufactures it. That combination is why so many companies now work with CDMOs rather than juggling separate development and production partners.

What a CDMO Does Across the Drug Lifecycle

The core functions of a CDMO span drug development, manufacturing, drug delivery and regulatory support. In practice, that covers:

Formulation and Process Development

Turning a drug candidate into a stable, manufacturable product through formulation design and process development.

Analytical and Stability Testing

Testing product quality, performance and shelf life to establish whether the formulation remains stable over time.

API Manufacturing

Manufacturing active pharmaceutical ingredients (APIs), one of the largest single service areas in the pharmaceutical CDMO market.

Finished-Product Manufacturing

Producing finished pharmaceutical products, including fill-finish operations into vials, syringes and other formats.

Specialized Processes

Providing advanced manufacturing processes such as lyophilization for products that are unstable or unsuitable in liquid form.

Packaging and Regulatory Support

Supporting packaging, labeling, documentation and regulatory requirements through to commercial product release.

A full-service CDMO can carry a product through every one of these stages; many companies use a CDMO for only the steps they cannot do efficiently themselves.

Why the CDMO's Role in Pharmaceutical Manufacturing Keeps Growing

Pharmaceutical outsourcing has moved from a cost-saving tactic to a core strategy, and the market reflects it. GM Insights put the pharmaceutical CDMO market at about USD 173.7 billion in 2025, with a forecast of USD 342 billion by 2035, a 7.1% annual growth rate. BCC Research gives a similar trajectory, from USD 136.6 billion in 2024 to USD 191.6 billion by 2029.

Several forces are driving that growth:

More Complex Therapies

Biologics, advanced therapies and high-potency compounds need specialized expertise and equipment that are expensive to build and maintain in-house.

Cost and Speed

Outsourcing lets companies avoid heavy capital investment, access existing manufacturing infrastructure and potentially reach the market faster.

Focus on Core Business

Pharma and biotech firms can concentrate on discovery and commercialization while handing development and production to specialists.

Risk and Resilience

Working with expert partners helps companies manage manufacturing capacity, technical challenges and supply-chain risk.

Lyophilization: A Specialized Part of the CDMO's Role

Not every drug is stable as a liquid. Proteins, vaccines, many biologics and a range of diagnostic reagents are freeze-dried (lyophilized) so they stay stable and can be shipped and stored without a deep freeze. Because lyophilization needs specific equipment and formulation know-how, it is a natural thing to outsource to a CDMO.

At Evik, lyophilization is our specialty. We freeze-dry formulas into precise beads rather than tray-dried powder, which gives each unit a measured dose. Our diagnostic work runs in an ISO 13485:2016-certified facility under GMP, and our guide to the lyophilized assay reagent format shows how a liquid assay becomes a dry, room-temperature stable product.

Need a lyophilization partner?

Contact our Lyo expert team or email info@evikdiagnostics.com to discuss your requirements.

Deciding What to Outsource

Working with a CDMO is not all-or-nothing. Companies weigh several factors for each stage of a product:

Capability

Does the process need equipment, technical knowledge or specialized expertise you do not have in-house?

Capacity

Can your own facilities handle the required production volume, or can they only manage part of it?

Cost

Does building and maintaining the required manufacturing capability in-house pay off over the product's life?

Speed

Could an experienced manufacturing partner help you reach clinical or commercial production faster?

Risk

How critical is direct control over the manufacturing step to your product quality, supply and compliance?

For a specialized process like lyophilization, many companies find a partner makes more sense than building a capability from scratch. Our post on in-house lyophilization versus outsourcing works through that specific decision.

Frequently Asked Questions

What is the CDMO's role in pharmaceutical manufacturing?

A CDMO develops and manufactures drug products on behalf of pharmaceutical and biotech companies, from formulation and process development through testing, scale-up and commercial production.

What is the difference between a CDMO and a CMO?

A CMO manufactures a product that is already developed. A CDMO also handles the development of the formulation and process, so it covers both development and manufacturing.

Why do pharmaceutical companies use CDMOs?

To access specialized expertise and equipment, avoid heavy capital investment, reach the market faster and focus their own resources on drug discovery and commercialization.

What services do CDMOs provide?

Formulation and process development, analytical and stability testing, API and finished-product manufacturing, specialized processes such as lyophilization, and packaging, labeling and regulatory support.

Is lyophilization a CDMO service?

Yes. Freeze-drying needs specialized equipment and formulation expertise, so it is commonly outsourced to a CDMO with lyophilization capabilities.

The CDMO's Role in Pharmaceutical Manufacturing: The Bottom Line

As therapies grow more complex and timelines tighten, the CDMO's role in pharmaceutical manufacturing continues to expand. For specialized steps such as lyophilization, a dedicated partner often delivers better results than building the capability in-house.

Have a Lyophilization Project?

Contact our team to discuss your requirements and explore how Evik's specialized lyophilization capabilities can support your pharmaceutical or diagnostic product.

Contact our team or email info@evikdiagnostics.com to discuss your project.