In 1965, he secured a job in London as assistant scenic designer to Nick Pemberton, creating sets for the television series Z-Cars, Dr. Finlay's Casebook, and Emergency Ward 10.
By the early 1980s, Hipgnosis had diversified into advertising, designing and producing campaigns for Peugeot, Kronenbourg 1664, Levi Jeans, Volvo, Gillette, Stella Artois, Rank Xerox and The Beatles.
Progressing from photo design to moving pictures, Powell, Thorgerson and Peter Christopherson started Greenback Films in 1982, shooting music videos for many of their existing and new clients including "Big Log" for Robert Plant, "Wherever I Lay My Hat" for Paul Young, "Owner of a Lonely Heart" for Yes and "Blue Light" for David Gilmour.
Credits include Coca-Cola (with Robert Plant), Miller Lite (with Randy Quaid and The Who), Budweiser, Nissan, Pan Am, Grolsch, Bristol & West (with Joan Collins) and Le Jardin de Max Factor (with Jane Seymour).
In 1989, Powell was made creative director for The Paul McCartney World Tour, designing the stage set, video wall and filmed images.