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


we take care for the final result as much as you


We have a multidisciplinary know-how in project management that
covers the whole range of skills necessary to work with optical fiber

Minitrench excavations

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Our minitrencher with remote control is able to curve the excavation and follow the road trajectory, and this allows us to be faster in the installation of fiber optic systems.

Switchboards and wells

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We design, build, wire and connect to the network, any type of panel or modular well containing technological devices for fiber optics.

Wiring buildings

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We perform a turnkey service for building cabling that includes laying out the fiber, connection of the devices and junction of the system to the internet.

Piling and overhead lines

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We own vehicles and equipment for the construction of piles and we employ the technical personnel qualified for work at height that is necessary to do the wiring of the overhead lines.

Splicing and junction

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


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.


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.


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


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.

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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