What We Do




Customer Notifications

RENTELECOM has been a public telecommunications network operator since 1st of November 2002.

RENTELECOM started with providing internal services and with leveraging the existing surplus of network capacity in the electricty and gas backbones, but is nowadays a true alternative in the wholesale and corporate markets.

RENTELECOM also leverages in the strong value added know-how in the Telecommunications and IT areas applied to the demanding security management requirements of the energy transport networks. For more information please contact us (

RENTELECOM positions itself in the business market with special focus on the utilities and telecommunications operators segments.

In addition to unique know-how in solutions for utilities, RENTELECOM is a partner for telecommunications operators and information technology integrators.

Support for services provided
RENTELECOM offers support for services provided through management and supervision services (networks and systems supervision, monitoring of services, Helpdesk service, control and reporting of service level).

RENTELECOM uses the monitoring and network operation centres in Sacavém and Ermesinde.

Business segments

Lease and maintenance of dark fibre

RENTELECOM has almost 7,000 km of fibre optic cables with 5,600 km in the electricity transport grid and 1,300 km in the natural gas transport network. RENTELECOM also has six border interconnections with Spain.


RENTELECOM provides housing services at data centres in Lisbon, Sacavém and Ermesinde.

Leased Lines

RENTELECOM provides PDH, SDH, DWDM, IP/MPLS circuits using existing capacity extended with the services of partners when necessary.

Information technology services

RENTELECOM provides value-added services such as: private voice networks management, backup and hosting, internet access management, management of communication services, projects and consultancy in telecommunications systems and maintenance services.