We design and build optical fiber systems and infrastructures
for all the main Italian telecommunications operators

Fiber optic infrastructures

Minitrench and laying

We perform design, project management and installation of any type of fiber optic infrastructure, from minitrench excavation to the installation of switchboards and modular wells.

Cabling buildings | FTTH

Fiber to the Home

Our technical staff is qualified for working at height and allows us to make piling, overhead lines and the cabling of buildings with optical fiber, in compliance with all safety regulations.

Splicing and junction

Fiber splicing and junction

We have 12 technicians specialized in junction of a fiber optic system, that is the connection of a new fiber optic system to the existing network.


We have multidisciplinary know-how and qualified personnel
for the project management, the design and construction of piling and overhead lines

Work at height

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We perform design, construction supervision and installation of piling, overhead lines and wall lines, thanks to the expertise of our technicians with qualification for work at height.


With optical fiber you can increase productivity thanks to
an internet connection much faster than traditional connections


thanks to a fiber optic system designed and built to perfection


Thanks to minitrencher and ground penetrating radar handled by qualified personnel,
we significantly reduce installation times, costs and inconvenience to road traffic

With the minitrencher on 100 meters excavation you can save:
80% of excavation and fiber optic installation time
40% of personnel needed
55% of total working cost


Are you looking for a reliable partner for the construction of a fiber-optic infrastructure?

Try the skills of our multidisciplinary division that provides the customer with a fiber optic turnkey solution including systems design, project management, installation and junction to the network.


Optical fiber systems and infrastructures, network systems,
electrical systems and video surveillance systems

Video surveillance

Video Surveillance Systems

We install video cameras and design video surveillance systems for schools, kindergartens, retirement homes, warehouses, production facilities, homes and outdoor areas, also with connection to law enforcement agencies.

We design networks for computers and devices dedicated to offices and buildings, warehouses and production sites. We install and configure gigabit and wifi network devices, in addition to laying cables and connecting to the fiber optic internet.

We design and build every kind of electrical system dedicated to offices and buildings, warehouses and production facilities, also installing and connecting the latest generation of home automation systems.


Discover the services offered by the division of our group
specialized in the design of systems and infrastructure for the real estate sector

Production Sites

Design of Production Sites

Plants and infrastructures design services, dedicated to the construction of new industrial warehouses and production sites.

Residential Units

Design of Residential Units

Plants and infrastructures design services, dedicated to the construction of new villas and homes.

Make the qualitative leap now

Price is what you pay, value is what you get | Warren Buffet

Business Branches

At your disposal since 2008

Gruppo SEMA S.r.l.

Via Avosso 122, 16015 Casella (GE), Italy
Vat number IT01849630999
Company capital 51.000€
REA 440.486 GE
+39 010 967.00.22

We deserve your Trust

You can count on us | We are authorized subcontractors

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