Gartner headquarters details
- Street address
- 56 Top Gallant Road
- City
- Stamford
- State / region
- Connecticut
- ZIP / postal code
- 06902
- Country
- United States
- Phone
- +1 203 964 0096
- Founded
- 1979
- Website
- gartner.com
- Stock
- NYSE: IT
- linkedin.com/company/gartner
Location map
Open in Google MapsAll Gartner office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Stamford HQ | Connecticut | United States | Headquarters |
Showing the headquarters of 128 recorded locations. See every location in GraphIQ →
About Gartner
Gartner (NYSE: IT) is headquartered in Stamford, Connecticut, United States. Founded in 1979, the company has 128 recorded locations across 18+ countries and employs approximately 21,000 people worldwide.
Where is Gartner's main office?
Gartner's main headquarters office is located at 56 Top Gallant Road, Stamford, Connecticut 06902, United States. This is the company's primary corporate address.
Gartner regional offices
Beyond its headquarters in Stamford, Gartner has recorded locations in United States, Argentina, Australia, Brazil, Germany, Hungary, India, Italy and 10 other countries.
Gartner contact information
The main switchboard for Gartner headquarters can be reached at +1 203 964 0096. Official website: gartner.com.
What does Gartner do?
Gartner provides fact-based consulting services, helping clients use and manage IT to enhance business performance.
Gartner competitors & similar companies
Frequently asked questions
Where is Gartner headquarters?
Gartner's headquarters is located at 56 Top Gallant Road, Stamford, Connecticut 06902, United States.
How many offices does Gartner have?
GraphIQ records 128 locations for Gartner across 18+ countries, as of October 2026.
What is Gartner's corporate address?
The corporate headquarters address is 56 Top Gallant Road, Stamford, Connecticut 06902, United States.
When was Gartner founded?
Gartner was founded in 1979 and employs approximately 21,000 people.
What is Gartner's phone number?
The main phone number for Gartner headquarters is +1 203 964 0096.
How many employees does Gartner have?
Gartner has approximately 21,000 employees (GraphIQ estimate, 2026).
Is Gartner a public company?
Yes. Gartner is publicly traded on NYSE under the ticker IT.