Identity graph
GWI headquarters, locations and relationships
- Legal name
- GlobalWebIndex Limited
- Industry
- Marketing Software
- Founded
- 2009
- Phone
- +44 20 7731 1614
- Website
- gwi.com
- LinkedIn profile for GWI
GWI office locations
| City | State / region | Country | Type |
|---|---|---|---|
| London | England | United Kingdom | Headquarters |
| Athens | Attica | Greece | Office |
| Levél | Győr-Moson-Sopron | Hungary | Office |
| New York City | New York | United States | Office |
- Parent company
- No parent company recorded in GraphIQ.ai.
- Competitors
- GWI competes with 3 organizations in the GraphIQ.ai identity graph.
Verified from public filings, company websites and news · Methodology
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Technographics (available after sign-in)
Software, cloud and infrastructure in use.
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Firmographics (available after sign-in)
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 GWI entity
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Revenue and GTM teams
Territories, enrichment and account expansion on one resolved account.
RevOps Sales & marketing -
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 GWI
GWI is headquartered in London, England, United Kingdom. Founded in 2009, the company has 7 recorded locations across 4+ countries and employs approximately 764 people worldwide.
Where is GWI's main office?
GWI's main headquarters office is located at 25 Farringdon Street, London, England EC4A 4AB, United Kingdom. This is the company's primary corporate address.
GWI regional offices
Beyond its headquarters in London, GWI has recorded locations in United Kingdom, Greece, Hungary and United States.
GWI contact information
The main switchboard for GWI headquarters can be reached at +44 20 7731 1614. Official website: gwi.com.
What does GWI do?
Get instant access to the world's most revealing data set on consumer behaviors.
One entity, every stage
Put GWI to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, GWI included. Fingerprint search
- Cover Plan territories GWI's 7 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
GWI: frequently asked questions
Where is GWI headquarters?
25 Farringdon Street, London, England EC4A 4AB, United Kingdom.
What is GWI's phone number?
+44 20 7731 1614 (headquarters).
When was GWI founded?
2009.
How many employees does GWI have?
About 764, as of October 2026 (GraphIQ.ai estimate).
How many offices does GWI have?
7 locations across 4+ countries, including Athens, Levél, New York City.
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 GWI here is the same GWI in your CRM, territory plan and agent answers.
Where does this GWI data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.