From nature to high quality allergen immunotherapy (AIT) solutions

At Stallergenes Greer, we have more than 100 years of experience in the field of allergies and allergen immunotherapy. Find out more

Our science

Precision medicine is the focus of Stallergenes Greer’s strategy. Find out more

Technical operations

Our teams work around the clock to make sure that patients and healthcare practitioners receive the highest quality diagnostic solutions and allergen immunotherapy treatments, on time, every time. Find out more

North America

Throughout 2021, Stallergenes Greer Americas focused on its key strategic pillars to position the business for sustainable long-term growth while delivering high quality services to its stakeholders. Find out more

Europe and International

By any measure, 2021 was a successful and exciting year for the Europe and International region, marked by significant advancements across all territories. Find out more


In a competitive landscape, Stallergenes Greer’s French operations continued to show strong growth throughout the year and consolidated leadership positions in the allergen immunotherapy market. Find out more

Our people

Stallergenes Greer’s 1,045 employees are at the heart of our company. Find out more