Contax Participa es S.A., together with its subsidiaries, engages in the design, implementation, and operation of contact centers in Brazil. The company provides information and customer services, technical support, customer retention, and debt collection services. Its services enhance customer interaction at various stages of the customer lifecycle, from identifying and acquiring new customers. The company provides contact center services to offer telephonic customer assistance services, which include telemarketing operations, customer services, customer retention, technical support, and bill collections through various communication channels, including telephone contacts, Internet access, e-mail, and fax. In addition, it engages in the development of technological solutions related to the telephonic customer assistance services. Further, Contax Participa es offers business process outsourcing; back office processing; and customer relationship management services. It serves telecommunications, financial services, utilities, and Internet sectors. The company, formerly known as Caroaci Participa es S.A., was founded in 2000 and is headquartered in Rio de Janeiro, Brazil. Contax Participa es S.A. operates independently of Tele Norte Leste Participa es S.A., as of August 31, 2005.