OLON is an Italian company world leader in the Active Pharmaceutical Ingredients (APIs) production, using synthetic and biological processes for Generic market as well as in Contract Development and Manufacturing (CDMO).

With a 2020’s Turnover of 530 Mio$, OLON supplies 34 Chemical Intermediates and more than 295 APIs for the Generic market.

Thanks to all the 2.200 employees, and to highly qualified R&D team – more than 200 people – OLON can offer complete integrated packages and services to support the full development of APIs based on strong knowledge in both Chemical and Biological process, all of them under a full cGMP and regulatory coverage – holder of about 160 active US DMFs and 79 granted CoS.


sede legale

Strada Rivoltana km 6/7 20053 Rodano (MI) - Italy

sede operativa

Strada Rivoltana km 6/7 20053 Rodano (MI) - Italy


Always considering human safety and environmental security, OLON handles different and not-common manufacturing process technologies, such as Fluorination, Carbonylation and Fermentation – combined with chemical synthesis to produce APIs for the majority, proteins, high-value small molecules & microorganisms (application in pharma), food, feed, and other bio-industrial markets.

Headquartered in Rodano (Milan, Italy), OLON has 11 manufacturing facilities – 8 located in Italy, 1 in Spain, 1 in USA and 1 in India, designed in compliance with the strictest international requirements, and 3 branch offices in Hamburg (Germany), Florham Park NJ (USA) and Shanghai (China).

The manufacturing sites are regularly inspected by the most important national and international Authorities, and regularly audited by our partners and customers. The facilities are FDA-inspected and self-identified under GDUFA.

Relying on an experience gained over more than 50 years, OLON Biotechnology Center represents one of the most extensive know-how of microbial fermentation in Europe. Expertise and competence are combined with great flexibility at different levels related to the knowledge of various microorganisms and fermentation processes. Our flexibility also reflects in the isolation and purification steps because we can rely on 20 different downstream plants. Furthermore, OLON Biotechnology Center can count on a great internal engineering expertise. Our global footprint led us to be one of the first Italian companies producing via microbial fermentation for third parties globally, thanks to our size and capacity – 4,500m3

In terms of capabilities and know-how, Olon is one of the first companies worldwide producing with microbic fermentation for third parties, in terms of volumetric capability and experience.

The Group offers solutions for one of the widest ranges of proteins, enzymes, peptides, recombinant-technology products, for many life-saving therapeutic treatments, including anticancer, chronic disease and others.


Besides pharmaceutical certifications OLON complies with ISO standards (14001), has dedicated areas for food-grade manufacturing and complies with Kosher, Halal and within 2018-Q3 also with FSSC 22.000.

To be highlighted OLON’s growing cooperation with Universities: University of Milan (Italy), Milan Politecnico (Italy), University of Pavia (Italy), University of Murcia (Spain), and PROMIDIS (Milan University spin-off).





OLON Group Corporate Presentation


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