New York--Ernst & Young L.L.P. Monday launched an advertising campaign touting its e-business consulting services, called ".company." It is an extension of its $100 million e-commerce-focused advertising effort begun earlier this year, "From Thought to Finish." The ".company" campaign features TV, print and airport ads, and is running in nationwide publications including The Wall Street Journal. It is aimed at global corporations looking to transform themselves into e-businesses, as well as rapidly growing Internet start-ups. The campaign is being handled by New York-based ad agency D'Arcy Masius Benton & Bowles.