Every day we perform technical interventions and build optical fiber
for all the main Italian operators in the telecommunications sector


because we care for the final result as much as you do


Since 2008 we have been working to grow also in our multidisciplinary know-how.
Our qualified operating staff is divided into 32 construction technicians and 12 junction technicians

Video surveillance

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

Minitrench fiber laying

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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.

Laying of infrastructures

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We have our own vehicles and equipment and 32 construction technicians qualified for street works and road signs, confined spaces, work at height and driving of operating vehicles.

Wiring buildings

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We perform a turnkey service for cabling buildings 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.

Fiber splicing

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

Special services

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Our teams are organized to manage the ordinary, the exceptions and every emergency, as well as perform various works that require special qualifications.


We have a large fleet of vehicles and equipment
that allow us to make each team operative with short reaction times

Our equipment

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Try the quality of our multidisciplinary skills: we perform also project management, systems design and turnkey solutions for fiber optics.


We will not be satisfied if you ask us to do the bare minimum.
We are a company with qualified skills and we want to develop them best in each of our jobs


doing it right when no one is looking | Henry Ford


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.


We provide a project management service for the
installation and junction of optical fiber systems and infrastructures

We perform the project management for the laying of optical fiber infrastructures and organizes equipments and operating teams for each type of work, from excavations with mini-trenches to piling for overhead lines.


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.

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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