Merck headquarters details
Location map
Open in Google MapsAll Merck office locations
| City | State / region | Country | Type |
|---|---|---|---|
| St. Louis HQ | Missouri | United States | Headquarters |
About Merck
Merck (New York Stock Exchange (NYSE): MRK) is headquartered in St. Louis, Missouri, United States. Founded in 1891, the company operates across 9 countries with approximately 75,000 employees worldwide.
Where is Merck's main office?
Merck's main headquarters office is located at 3050 Spruce Street, St. Louis, Missouri 63103-2350. This serves as the company's primary corporate address and is home to its executive leadership team.
Merck regional offices
Beyond its headquarters in St. Louis, Merck maintains 45 offices across 9 countries. Regional offices span 9 countries.
Merck contact information
The main switchboard for Merck headquarters can be reached at 1-908-740-4000. For investor relations, visit merck.com/investor-relations.
What does Merck do?
The Merck Group, branded and commonly known as Merck, is a German multinational science and technology company headquartered in Darmstadt, with about 60,000 employees and a presence in 66 countries. The group includes around 250 companies; the main company is Merck KGaA in Germany. The company is divided into three business lines: Healthcare, Life Sciences and Electronics. Merck was founded in 1668 and is the world's oldest operating chemical and pharmaceutical company, as well as one of the largest pharmaceutical companies globally.
Frequently asked questions
Where is Merck headquarters?
Merck's headquarters is located at 3050 Spruce Street, St. Louis, Missouri 63103-2350, United States.
How many offices does Merck have?
Merck operates 45 offices across 9 countries as of 2026.
What is Merck's corporate address?
The official corporate address is 3050 Spruce Street, St. Louis, Missouri 63103-2350.
When was Merck founded?
Merck was founded in 1891 and has grown to employ approximately 75,000 people worldwide.
What is Merck's phone number?
The main phone number for Merck headquarters is 1-908-740-4000.