Identity graph
Gartner headquarters, locations and relationships
- Industry
- Software As A Service
- Founded
- 1979
- Ticker
- NYSE: IT
- Phone
- +1 203 964 0096
- Website
- gartner.com
- LinkedIn profile for Gartner
Gartner office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Stamford | Connecticut | United States | Headquarters |
| — | Buenos Aires | Argentina | Office |
| Brisbane | Queensland | Australia | Office |
| Hornsby | New South Wales | Australia | Office |
| Melbourne | Victoria | Australia | Office |
| Sydney | New South Wales | Australia | Office |
- Parent company
- No parent company recorded in GraphIQ.ai.
- Competitors
- Gartner competes with 12 organizations in the GraphIQ.ai identity graph.
Verified from public filings, company websites and news · Methodology
Open in GraphIQ.aiMore Gartner data in GraphIQ.ai
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Revenue, headcount, growth and industry codes.
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Capabilities (available after sign-in)
Products, services and certifications.
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News (available after sign-in)
Recent coverage and signals, resolved to the entity.
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And more (available after sign-in)
Subsidiaries, people and lookalike companies.
Who uses the Gartner entity
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Revenue and GTM teams
Territories, enrichment and account expansion on one resolved account.
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Developers and AI agents
The entity and its relationships through the REST API and MCP server.
Developers -
Private equity and investors
Corporate family, comparable companies and deal sourcing.
Private equity -
Industry and supply chain
Suppliers, sites and partners mapped to the right legal entity.
Industry -
Government and public sector
Supplier vetting, ownership and jurisdiction checks against one verified entity.
Government
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 Rd, Stamford, Connecticut 06902-7747, 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.
One entity, every stage
Put Gartner to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, Gartner included. Fingerprint search
- Cover Plan territories Gartner's 128 locations roll up to one account, so it lands in one territory, once. Territory planning
- Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring
- Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment
- Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer
- Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion
About the source
What is GraphIQ.ai?
A B2B identity graph. It resolves each organization into one verified entity and maps its parent and subsidiaries, employees, competitors and news signals. Revenue teams use it in the product; AI agents query it through the REST API and MCP server.
POST/api/v2/organizations/search
Gartner: frequently asked questions
Where is Gartner headquarters?
56 Top Gallant Rd, Stamford, Connecticut 06902-7747, United States.
What is Gartner's phone number?
+1 203 964 0096 (headquarters).
When was Gartner founded?
1979.
How many employees does Gartner have?
About 21,000, as of October 2026 (GraphIQ.ai estimate).
How many offices does Gartner have?
128 locations across 18+ countries, including Brisbane, Hornsby, Melbourne, Sydney.
Is Gartner a public company?
Yes. Gartner trades on NYSE under the ticker IT.
Questions about GraphIQ.ai
Is GraphIQ.ai a list of companies like a spreadsheet?
No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so Gartner here is the same Gartner in your CRM, territory plan and agent answers.
Where does this Gartner data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.