Dell is an American multinational computer technology company based in Round Rock Texas United States that develops sells repairs and supports computers and related products and services. Named after its founder Michael Dell the company is one of the largest technological corporations in the world employing more than 103300 people in America and around the world.Dell is an American multinational computer technology company based in Round Rock Texas United States that develops sells repairs and supports computers and related products and services. Named after its founder Michael Dell the company is one of the largest technological corporations in the world employing more than 103300 people in America and around the world.