World Headquarters Location:

Horsholm, Denmark

Website Address:


ALK is a global pharmaceutical company focusing on allergy treatment, prevention and diagnosis. We are devoted to improving quality of life for people with allergies by developing pharmaceutical products that target the actual cause of allergy.

ALK is the world leader in allergy vaccination (immunotherapy) and a unique treatment that induces a protective immune response which reduces and potentially halts the allergic reaction.

1,800 employees with subsidiaries, production facilities and distributors worldwide. The company is headquartered in Horsholm, Denmark and listed on the OMX Nordic Exchange Copenhagen; the US. headquarters are located in Round Rock, Texas.

As your One Source Allergy Partner, ALK provides comprehensive allergy solutions for your practice, so physicians can focus on your patients instead of the administrative side of the practice. From an extensive selection of allergy extracts, skin testing devices, and practice automation software to customized business, technical and clinical consulting services, ALK is committed to helping practices grow.


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