Customized API development and manufacturing services

We are an industry-leading integrated development and manufacturing service provider for small molecule drug substances and their intermediates. We offer flexible API development and manufacturing services, inclusive of solid form selection and particle engineering, to meet your requirements  across a wide range of chemical synthesis.

Chemistry is core to us. Our track record in route and process selection,  developing and manufacturing API and intermediates extends back to the genesis of contract development and manufacturing. Thousands of compounds have been successfully developed and progressed by our R&D, process development and manufacturing teams. Many of these molecules have been scaled up under accelerated timelines to meet program objectives.

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Enabling your next milestone. Learn more about Lonza’s Small Molecules offerings from concept to patient.
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Active Pharmaceutical Ingredient manufacturing

We have an established history and ongoing service programs with the full range of customers from virtual companies to big pharma. Our development and manufacturing services for APIs routinely support:

  • drug substances requiring advanced synthesis expertise and process development
  • late phase clinical programs requiring the scale and expertise provided by Lonza for rapid API commercialization
  • highly potent compounds requiring our specialized infrastructure and handling capabilities
  • ADC payloads with the option of integrated services inclusive of monoclonal antibodies, inkers and conjugation services.  

Phase-appropriate assets support all phases of drug substance development and supply.

Integrated Drug Product Services

Fully integrated services are in place to meet all of the development and manufacturing needs for drug substances and advanced intermediates:

API Manufacturing Technologies

We have supported more than 30% of recent small molecule launches with priority designations.

small molecules and intermediates

World class, extensive infrastructure is in place at our Visp, Switzerland and Nansha, China facilities to ensure fit-for-purpose supply to a global customer base. Phase-appropriate assets support all phases of drug substance and manufacturing development, and a focus on manufacturability ensures that our processes are rapidly scalable.

Monteggio, Switzerland

Production, Research & Development, Sales & Support

Via Cantonale 4
Monteggio 6998

Visp, Switzerland

Production, Research & Development, Sales & Support

Visp 3930

Bend, OR, USA

Production, Sales & Support, Research & Development

1201 NW Wall St.
Bend, OR 97703
United States of America (the)

Tampa, FL, USA

Production, Sales & Support

4910 Savarese Circle
Tampa, FL 33634
United States of America (the)

Quakertown, PA, USA


20 Pacific Dr.
Quakertown, PA 18951
United States of America (the)

Nansha, China

Production, Research & Development

No. 68, Huangge North Avenue
Nansha District
Guangzhou 511455, Guangdong Province