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GWI Headquarters & Office Locations

Verified data Marketing Software 764 employees 7 locations worldwide

Headquarters: 25 Farringdon Street, London, England EC4A 4AB, United Kingdom

Data last updated · Sourced via GraphIQ

Headquarters
London, England
United Kingdom
Total locations
7
across 4+ countries
Employees
764
est. 2026

GWI headquarters details

Street address
25 Farringdon Street
City
London
State / region
England
ZIP / postal code
EC4A 4AB
Country
United Kingdom
Founded
2009

All GWI office locations

7 total
CityState / regionCountryType
London HQEnglandUnited KingdomHeadquarters

Showing the headquarters of 7 recorded locations. See every location in GraphIQ →

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, Singapore 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.

Frequently asked questions

Where is GWI headquarters?

GWI's headquarters is located at 25 Farringdon Street, London, England EC4A 4AB, United Kingdom.

How many offices does GWI have?

GraphIQ records 7 locations for GWI across 4+ countries, as of October 2026.

What is GWI's corporate address?

The corporate headquarters address is 25 Farringdon Street, London, England EC4A 4AB, United Kingdom.

When was GWI founded?

GWI was founded in 2009 and employs approximately 764 people.

What is GWI's phone number?

The main phone number for GWI headquarters is +44 20 7731 1614.

How many employees does GWI have?

GWI has approximately 764 employees (GraphIQ estimate, 2026).

Find more info on GWI using GraphIQ

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