We perform management and direction of construction sites both for third parties
and for the works we design and create thanks to our design and technical departments


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The minitrencher with remote control is currently the faster and more performing equipment for the installation of fiber optic infrastructures as it curves along the road.

Street works

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We are specialized in project management for the installation and refitting of any type of infrastructure, verifying that the personnel have the qualifications for safety on street works.

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.

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.


For every excavation and installation site we manage, we perform the
soil investigation with ground penetrating radar to avoid delays and damages to existing plants


We don't leave anything to chance to avoid damage and ensure quality


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


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.


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.


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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