MSD
MSD, also known as Merck & Co., Inc. outside the U.S. and Canada, is a global pharmaceutical company founded in 1891. Headquartered in Rahway, New Jersey, MSD has a rich history of scientific discovery and development, focusing on research-driven pharmaceuticals and vaccines to enhance human and animal health. The company develops and markets a wide range of prescription medicines for various conditions, including cardiovascular diseases, infectious diseases, and chronic conditions like Alzheimer’s disease. MSD is also well-known for its vaccine development, including the M-M-R vaccine for measles, mumps, and rubella. In addition to human health, MSD provides veterinary medicines and vaccines for livestock and wildlife. The company invests significantly in research and development, collaborating with various institutions to advance treatments for diseases. MSD is committed to corporate social responsibility, with initiatives like the "MSD for Mothers" program aimed at improving maternal health globally. The company contributes to numerous non-profit organizations and public health initiatives, reflecting its dedication to public health and charitable giving.
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Headcount trend
MSD went from 9,056 employees in Jul 2023 to 9,715 in Jun 2025. Last 6 months: 424 people joined, 230 left.
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MSD FAQ
How many employees does MSD have?
MSD has about 9,715 employees, up 0.4% over the last 3 months (as of Jun 2025).
What is MSD's revenue per employee?
MSD makes about $6.61M in revenue per employee, based on $64.2B annual revenue and 9,715 employees.
How much does MSD pay?
6figr has 56 salary profiles for MSD in India and 11 in the US, with pay broken down by role, level and gender on the MSD salaries page. See MSD salaries in India
Data from Apollo, DOL LCA disclosures, WARN notices and 6figr salary profiles. Updated 29 Nov 2025.