Our mission is to provide superior medicines which enhance patients’ quality of life. At MSD, we employ the best people, exceptional ideas and breakthrough research to make world-leading products. Of Merck & Co., Inc.'s most popular medicines, five have been discovered and 16 are manufactured by MSD in the UK.

Our product portfolio covers a range of key therapy areas including atherosclerosis and cardiovascular disease, diabetes, infectious diseases, neuroscience and ophthalmology, respiratory, bone, arthritic conditions, and vaccines.