Active Pharmaceutical Ingredients (API)

Our product portfolio comprises 137 APIs across various therapeutic segments.

Our key therapy areas include:

Cardiovascular (CVS) disease

Central Nervous System (CNS) disorders


Gastrointestinal health


Pain management


We have a track record of supplying high-quality Active Pharmaceutical Ingredients to pharmaceutical companies all over the world and have successfully partnered with customers in highly competitive markets.

Quality is ingrained in every step of our API process – right from R&D and life cycle management to manufacturing.

Global reach

We pride ourselves to be a truly Global API supplier, with local presence in various geographies

GLS partners with the world's 16 of the top 20 generic companies & serves customers in multiple geographies including North America, Europe, Japan, Latin America, India and ROW.

We place strong emphasis on customer experience, and local presence in markets like North America, United Kingdom and Latin America enables us to understand customers' requirements

For our full product list Click here

Contract development and manufacturing

We understand that our customers need support across the value chain – with the ability to choose scientific services backed by quality and reliability

With 20+ years’ experience in API development and manufacturing, we are well positioned to meet our customers’ API & intermediates outsourcing needs. Our experience and competencies help us intuitively understand customer needs and develop high-quality API solutions that offer an edge from an intellectual property and regulatory perspective.

We can contract manufacture a product or develop and contract manufacture a product as the case may be:

  • Our manufacturing plants can handle production scales from few grams to multi ton lots
  • Our quality and regulatory teams adhere to extremely strict compliance standards which has helped us maintain an excellent track record with regulatory inspections and approvals
  • We leverage our process research, analytical research and chemistry capabilities to provide CDMO services for a range of multinational corporations and specialty companies.

Our team of experienced and committed scientists understands the regulatory requirements of various geographies and can navigate the minefield of IP around specific products.

End to End Support