Last year, Gateway produced spots featuring Gateway founder Ted Waitt and a talking, advice-dispensing cow. The approach is likely to continue, a company spokesman said.
In-house units of Gateway, which handled the full account for almost a year, will retain direct and online advertising.
Gateway spent $156 million for the first nine months of 2001, according to Taylor Nelson Sofres' CMR.
Interpublic Group of Cos' Initiative Media, handles Gateway media.