The City of London Police’s City Alert offers a free service to residents and to small- and medium-sized businesses across the City of London Square Mile.

As a City Alert member you’ll be part of a system that warns and informs the occupants of the Square Mile in the event of an incident. It also gives the police vital evidence to solve crimes and coordinate response to incidents.

We give alerts about incidents, including:

  • threats
  • actual events
  • road closures
  • stand down/all clear messages 

You decide how you recieve your alert messages.

Sign up to City Alert

Sign up to City Alert as a business.

Sign up to City Alert as a resident.

You’ll receive:

  • secure log in
  • information brochure
  • user guide
  • downloads
  • up-to-date information

Already a member? Sign in

Corporate partners sign into City Alert.

Residents sign into City Alert.


Skyline is a fortnightly Business and Community newsletter, providing you with the latest updates from the City of London Police. Topics covered include:

  • Counter terrorism and security
  • Crime prevention
  • Upcoming events in the City
  • City of London Police news
  • Economic Crime and Fraud

If you live or work in the City of London and want to receive updates sign up to receive the 'Skyline' email newsletter.

Sign up to the Skyline email newsletter