Whether it is on the side of a shuttle from a new office building or on public transportation which is used by many potential tenants, custom branding on vehicles is a common method of promoting or representing an architectural project.
Long before these London developers put a shovel in the ground they hired the design studio, Greenspace, to help them engage with the local community. The result was a festival which included local artists, musicians, and businesses. This initial introduction helped promote awareness of the developers brand and projects prior to beginning construction.
Sometimes the branding for a piece of iconic architecture can simply draw the building itself. Wolff Olins took this concept to design strategic marketing around New York prior to and long after completion.
Architecture itself often serves as a platform for additional marketing. Designing banners that can be seen for miles provide potential owner or tenants with useful contact information.