Sonaecom SGPS SA is a Portugal-based company primarily engaged in the telecommunication industry. The Company divides its business into two main units: Optimus, which is an integrated telecommunications operator, and the unit of Software and Systems Information Services (SSI). Additionally, the Company is active in the Online & Media sector, which includes the daily newspaper Publico and the online auction Website Miau.pt. Through its subsidiary Optimus - Comunicacoes SA, the Company offers a range of mobile and wired communications services to residential and corporate customers in Portugal, including voice, data, television (TV) and roaming services, as well as wholesale services to third parties. Through the subsidiaries, the Company provides a range of products and services, such as revenue assurance software, multi-brand information technology (IT) solutions, management of corporate software licensing contracts, cyber security and data centers services, among others.