Skip to main content
Contact G4S UK

Contact Us

UK Registered Office

G4S Limited, 6th Floor, 50 Broadway, London SW1H 0DB United Kingdom 

Contact us on +44 (0)208 770 7000


To be connected to the relevant department please call our switchboard

G4S Switchboard

UK 08.00 - 17.00 Mon - Fri

Keyholding enquiries

for questions about keyholding in the UK please contact:

Keyholder enquiries

Contact our offices

UK Office

46 Gillingham Street London SW1V 1HU

Ireland Office

12 Heron View Airport Road West Belfast BT3 9LN

Speak Out

Our Speak Out Global Hotline, encourages our people to report concerns about serious wrongdoing, such as breaches of laws, regulations or company policy.

You can report an issue by copying and pasting the below URL into your web browser or by using the hotline number.

Whistleblowing hotline


Contact our media team

G4S media team contacts can be contacted by journalists. 

G4S Press office

Visit our media centre for full contact details. 


If you are a supplier or have an enquiry about procurement please contact:

Supplier enquiries

Think you are up to the challenge?

Join the G4S family. 
Careers with G4S

Join our successful team at G4S

or select a country