Guide4City is an organization that hosts city web portals in a Yellow Page style with search facilities that enables users to find information about local events and businesses.

Local businesses are able to create their own presentations in a stylistic optimized format, they can post job offerings, promote events, and describe products and services. Advertisers are able to measure various site activities such as number of visitors.

Each city guide also functions like an encyclopedia for the respective city or region with topics like history, weather and city areas.