The SLH Group results from an alliance, developed over several years, among engineering firms
which are complementary and specialised in consultancy engineering as well as construction.
The strength of our group resides in our commonly shared resources, methods and means.
- 2006 : Founding of the SLH Group with four regional divisions: SLH Île–de–France, Projetud, SLH South–East, SLH South–West.
- 2006 : Founding of SLH Chevrier GmbH in Germany.
- 2002 : ISO 9001 – 2000 version certification.
- 2000 : Founding of SLH Sexer Loyrette Holding.
- 1997 : Founding of SLC by Sexer Loyrette & Partners and Lionel Chevrier.
- 1993 : Founding of OTBI (Omnium Technique du Bâtiment et de l’Industrie) based upon the engineering firm OTB, founded in 1970.
- 1990 : Founding of SLSA Sexer Loyrette & Partners.
- 1990 : Founding of BATEC Consult.
- 1986 : Founding of BETEC.
- 1984 : Founding of FERRER.
- 1975 : Founding of EPHTA – SEBAGEC.
- 1971 : Founding of PROJETUD.