Gartner headquarters details
Location map
Open in Google MapsAll Gartner office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Stamford HQ | Connecticut | United States | Headquarters |
About Gartner
Gartner (New York Stock Exchange (NYSE): IT) is headquartered in Stamford, Connecticut, United States. Founded in 1979, the company operates across 17 countries with approximately 21,000 employees worldwide.
Where is Gartner's main office?
Gartner's main headquarters office is located at 56 Top Gallant Rd, Stamford, Connecticut 06902-7747. This serves as the company's primary corporate address and is home to its executive leadership team.
Gartner regional offices
Beyond its headquarters in Stamford, Gartner maintains 128 offices across 17 countries. Regional offices span 17 countries.
Gartner contact information
The main switchboard for Gartner headquarters can be reached at 1-203-964-0096. For investor relations, visit gartner.com/investor-relations.
What does Gartner do?
Gartner provides fact-based consulting services, helping clients use and manage IT to enhance business performance.
Frequently asked questions
Where is Gartner headquarters?
Gartner's headquarters is located at 56 Top Gallant Rd, Stamford, Connecticut 06902-7747, United States.
How many offices does Gartner have?
Gartner operates 128 offices across 17 countries as of 2026.
What is Gartner's corporate address?
The official corporate address is 56 Top Gallant Rd, Stamford, Connecticut 06902-7747.
When was Gartner founded?
Gartner was founded in 1979 and has grown to employ approximately 21,000 people worldwide.
What is Gartner's phone number?
The main phone number for Gartner headquarters is 1-203-964-0096.