Sielte was founded in 1925 in Genoa as an Italian Ericsson Telephone System Company. Today it has over ninety years of experience in the fields of Telecommunications.

With its Registered Office in Catania and the General Management in Rome, Sielte has a registered capital of 28 million Euros, a total turnover of over 550 million Euros in 2021, a team of over 4.000 employees, constantly engaged in important certification and specialization paths.

Sielte is a strategic partner who developed a project of diversification, it is recognized on the market as one of the main Italian System Integrator in the following fields: Fixed and Mobile Network

Infrastructure, Application IoT, Technological Systems and ICT, Energy and Transportation, Digital Solution and Spid application. Sielte is able to provide a complete service to its clients thanks to qualified and constantly updated staff; national coverage (30 offices in Italy); Enterprise Sales and Pre-sales Departments; Partnership with most of the major vendor.

Nowadays, Sielte has the principal certifications to operate in its reference fields, among which ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO 37001:2016, ISO/IEC 20000-1:2011, ISO/IEC 27001:2013, ISO 50001:2018, SA 8000:2014, F-GAS, Agid Accreditation for Digital Identity Provisioning.

Further, it has the principal SOA categories: OG1, OG3, OG10, OG11, OS1, OS5, OS9, OS17, OS17, OS19, OS27, OS30, OS35 (for all rankings VIII) and OG9 (ranking V).