Swisscom AG is Switzerland's leading telecommunications operator. Net sales break down by activity as follows:
- fixed and mobile telecommunications services (70%): fixed and mobile telephony, data transmission, Internet access, TV and radio broadcasting services, etc.;
- realisation, maintenance and operation of communication infrastructures (9.5%);
- interconnection services (8.4%): for telecommunications operators;
- sale of fixed and mobile telephones (7.5%);
- other (4.6%).
Net sales are distributed geographically as follows: Switzerland (77.6%), Italy (22.2%) and Europe (0.2%).