HAL Allergy Group

About HAL Allergy Group

HAL Allergy is one of the European top players in the development, production and distribution of allergen immunotherapies for the treatment and prevention of allergic diseases. With all our activities the patient’s well-being is always our top priority. At our headquarters in the Leiden Bio Science Park (NL) we focus on the development and manufacturing of modified allergen extracts for the therapeutic and diagnostic purposes of respiratory and food allergies. At HAL Allergy, we foster open discussions, an entrepreneurial spirit and close collaborations within the teams and with our international colleagues. The HAL Allergy team sums up more than 300 highly specialized people across various functions. If you too would like to become part of an innovative and challenging pharmaceutical manufacturer, then this is a perfect opportunity! Join HAL Allergy & drive innovation!

Keywords

• Allergen Immunotherapy (Ait)
• Allergy Diagnostic And Treatment
• Asthma
• Food Allergies
• Respiratory Allergies

Address

• Headquarters

  J.H. Oortweg 15-172333CH LeidenZuid-Holland, Netherlands

Team by function

Based on 187 public job profiles as of 4 August 2026.

• Operations62
• Research / R&D19
• Manufacturing / Production18
• HR / People / Recruiting9
• IT / Infrastructure / Security9
• Logistics / Transportation9
• Engineering / Software Development8
• Legal / Compliance8
• Healthcare / Medical7
• Administrative / Office6
• Finance / Accounting5
• Sales5
• Executive / C-Suite4
• Customer Success / Support3
• Other / Unclassifiable3
• Procurement / Supply Chain3
• Design / UX2
• Product Management2
• Skilled Trades / Technical2
• Creative / Media1
• Education / Training1
• Marketing1