The company was established in 1978 by Giuseppe Santonastasi as an individual business construction. The following year his son Stefano joined it.

The importance to meet its customers’ needs increased the demand, so the business grew to the point that in 1999 it became a company, Santonastasi Costruzioni s.r.l., with Stefano Santonastasi as the legal representative.

The convenience to have a single agent for your property

Such a positive trend led to the creation of two new companies:

Mabemi s.a.s. (2000), which looks after the real estate leases;

Stesa s.r.l. (2011), which looks after the real estate purchase.


Since 1978 Santonastasi is synonym
for quality, safety and reliability.

Today, Santonastasi Costruzioni is a reliable and solid company with its 15 permanent staff (builders, two office workers and a surveyor), in addition to its selected and highly qualified external partners.

Its team, its truck fleetand its excellent equipment allow the company to look after various works in different locations as well as other buildings at the same times, respecting both the work commitments and the deadlines

The forty-year experience and the increasing success are a guarantee for those customers who look for a reliable service and a “turn-key” solution.

We that bland of skills, the company is able to manage different types of projects:

  • New buildings and renovation of residential, industrial and commercial building;
  • Ordinary and extraordinary maintenance and small renovations;
  • Energy redevelopment and seismic safety;
  • Renovation of farmhouse and buildings in the historic center of Florence;
  • Scheduled assistant and maintenance for plant and residential building.