You have arrived on the English website.


  • 1957
    Fayat Group
    Creation of the Fayat group, currently the number one independent construction group in France and a leader in construction and industry.
  • 1994
    With the acquisition of the Genest group in Viry-Châtillon (Essonne), Fayat establishes itself in Paris and doubles both its workforces and sales. It adds new activities: industrial electricity and special foundations with Sefi. Founded in 1965, SEFI (Sondages – Etanchements – Forages – Injections, i.e. surveys, sealing, boring, grouting) becomes with the takeover SEFI (Société d'Etudes de Fondations et d'Injections, i.e. foundation and grouting surveying company).
  • 1997
    Sotraisol Fondations
    Founded in 1977 by a group of underground works entrepreneurs, Sotraisol Fondations joins the Fayat Group.
  • 1998
    Franki Fondation
    Based in France at the start of the 20th century, Franki Fondation joins the Fayat Group.
  • 2002
    Ground and foundations
    Specialised in structural consolidation and restructuring, deep foundations and the development of innovative products and processes (Biocofra), Sols & Fondations joins the Fayat group.
  • 2003
    Intrafor is taken over by the Group, leading to the creation of a new company : Sefi-Intrafor.
  • 2014
    Fayat Piling
    Creation of Fayat Piling, English subsidiary of Sefi-Intrafor and Franki Fondation.
  • 2016
    Sefi-Intrafor takes over Sotraisol Fondations.