Groupe ALTAREA is a publicly owned real estate investment firm. The firm primarily invests in commercial and residential property. Its commercial property investments include downtown shopping centers, urban leisure centers, and family village type shops at the entrance to towns. The firm's residential investments include apartments and individual houses. Groupe ALTAREA was founded in 1994 and is based in Paris, France.
The Colas Group operates in every aspect of construction and maintenance for roads and for other types of transport infrastructure as well as on projects involving urban development and recreational facilities.