G4S headquarters details
- Street address
- 105 Victoria Street 5th Floor Southside
- City
- London
- State / region
- England
- ZIP / postal code
- SW1E 6QT
- Country
- United Kingdom
- Phone
- +44 20 8770 7000
- Founded
- 1901
- Website
- g4s.com
- Stock
- LSE: GFS
- linkedin.com/company/g4s
Location map
Open in Google MapsAll G4S office locations
| City | State / region | Country | Type |
|---|---|---|---|
| London HQ | England | United Kingdom | Headquarters |
Showing the headquarters of 51 recorded locations. See every location in GraphIQ →
About G4S
G4S (LSE: GFS) is headquartered in London, England, United Kingdom. Founded in 1901, the company has 51 recorded locations across 15+ countries and employs approximately 533,000 people worldwide.
Where is G4S's main office?
G4S's main headquarters office is located at 105 Victoria Street 5th Floor Southside, London, England SW1E 6QT, United Kingdom. This is the company's primary corporate address.
G4S regional offices
Beyond its headquarters in London, G4S has recorded locations in United Kingdom, Australia, Brazil, Canada, China, Colombia, Denmark, France and 7 other countries.
G4S contact information
The main switchboard for G4S headquarters can be reached at +44 20 8770 7000. Official website: g4s.com.
What does G4S do?
G4S plc operates as a global integrated security company. The Company offers security guards, alarms, monitoring, management and the transportation of valuables and currencies. G4S provides these services, in addition to others, around the world.
G4S competitors & similar companies
Frequently asked questions
Where is G4S headquarters?
G4S's headquarters is located at 105 Victoria Street 5th Floor Southside, London, England SW1E 6QT, United Kingdom.
How many offices does G4S have?
GraphIQ records 51 locations for G4S across 15+ countries, as of October 2026.
What is G4S's corporate address?
The corporate headquarters address is 105 Victoria Street 5th Floor Southside, London, England SW1E 6QT, United Kingdom.
When was G4S founded?
G4S was founded in 1901 and employs approximately 533,000 people.
What is G4S's phone number?
The main phone number for G4S headquarters is +44 20 8770 7000.
How many employees does G4S have?
G4S has approximately 533,000 employees (GraphIQ estimate, 2026).
Is G4S a public company?
Yes. G4S is publicly traded on LSE under the ticker GFS.