In 1999, Nexol, Inc. (now Celltrion Healthcare Co., Ltd.) was founded as a global business management consulting firm. In 2002, Celltrion, Inc. was founded as a biopharmaceutical company. In 2008, Nexol and Celltrion established a global distribution agreement. In 2009, distribution channels were established in
America,
Oceania,
Europe (
Hospira) and Nexol, Inc. renamed as Celltrion Healthcare Co., Ltd. In 2010, distribution channels were established in Japan (
Nippon Kayaku), Commonwealth of Independent States (CIS), Eastern Europe, and the
Middle East (Egis). In 2013, distribution channels were added in Europe (
Mundipharma, Biogaran, and Kern). On September 30, 2024, Celltrion completed the establishment of its oversees corporation in
Vietnam. 22 Oct. 2024. Celltrion secured a 100.4 billion won ($72.8 million) deal for contract development and manufacturing (CDMO) with TEVA Pharmaceuticals International for the migraine treatment Ajovy. In November 2024, Celltrion acquired iQone Healthcare Switzerland, a pharmaceutical company for around 30 billion won ($21 million). This move will help its expansion in Europe. In August 2025, Celltrion was announced to have made a bid of $504.3 million for
Eli Lilly's BB50 Branchburg, NJ site. ==Products==