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  • Welcome to the HAL Allergy Group

  • Leading in Allergy Treatment

Leading in allergen immunotherapy

HAL Allergy Group (HAL Allergy) is active in the field of biopharmaceuticals and is located at the Bio Science Park in Leiden (NL). HAL Allergy originally stems from 'Haarlems Allergenen Laboratorium', a Dutch company set up in Haarlem.

Our core businesses focus on the diagnostic & treatment of allergies and on contract manufacturing with a specialization on the pharmaceutical development and production of batches for preclinical and clinical studies. 

All of our activities are targeting to achieve the goal of providing the best possible medical products and scientific output in order to increase quality of life for allergic patients and to serve our professional customers. With offices across Europe, HAL Allergy is one of the leading companies in the field of allergen immunotherapy (AIT).

Established in 1959 we have long experience in developing, producing and selling allergy therapies that may reduce or erase allergic reactions. The allergy therapies are used against common allergies such as hay fever, house dust mites allergy and allergic reactions towards wasp or bee stings.

HAL Allergy is a subsidiary of the family owned Droege Group International AG.

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