 The full-service agency was sold in June 2015 and now operates as the Yvonne Tocquigny Branding Group.Founded in 1980 as a design studio by Yvonne Tocquigny, the business grew into a full-service ad agency recognized primarily for its business-to-business and digital work.Dell was one of the first blue chip companies to work with Tocquigny, starting in the early 1990s.