Merck Sharp & Dohme Limited (MSD), the UK subsidiary of Merck & Co., Inc., is one of the country's most dynamic pharmaceutical companies, and is proud to have discovered and developed many of the world's most innovative medicines.

Note: Neither Merck & Co., Inc. or Merck Sharp & Dohme Limited have any connection to Merck KGaA (known in the UK as Merck Pharmaceuticals). Throughout this web site, 'Merck' refers to Merck & Co., Inc.