Since 2008 we execute excavations and installation of infrastructures
thanks to the work of 32 qualified construction technicians organized in teams


doing it right when no one is looking | Henry Ford


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

Without obligation

Request a quote

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


We manufacture wells, panels and infrastructures for fiber devices and
connect them to the network thanks to the intervention of our junction technicians


We guarantee a comfortable road traffic by leveling each well to the street surface


We offer quality thanks to our multidisciplinary know-how,
also specialized in project management, design and turnkey optical fiber solutions

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.

Ground penetrating radar

Special workings

Before each excavation, we perform the investigation with the ground penetrating radar to prevent damage to existing plants during the subsequent excavation phases.

Fiber optic for buildings

Wiring buildings in FTTH

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.


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.


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.


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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