5 Most Valuable Belgian Companies in 2024

3. UCB SA (OTC:UCBJY)

Market Capitalization: $18.1 Billion

UCB SA (OTC:UCBJY) is a multinational biopharmaceutical company operating across 40 countries around the globe. As of February 14, the company is worth $18.1 billion on the open market and ranks as one of the most valuable companies in Belgium. UCB SA (OTC:UCBJY) creates solutions and medicines to cater to those suffering from severe diseases. Neurology, immunology, and rare diseases are the major disease areas focused upon by the firm.