[4] Its achievements include Dubai’s Burj Khalifa, the world's tallest tower,[5] buildings of the European Parliament in Brussels,[6][7] and the Grand Egyptian Museum on the Giza pyramids plateau.

These include one of the largest drinkable water treatment plant in West Africa, in La Mé (Ivory Coast).

[70] In 2018, BESIX and Proximus, the leader in Belgium's ICT and Telecommunications sectors, set up a partnership to jointly develop a new generation of Smart Buildings, with priority to solutions promoting energy efficiency, comfort and safety.

[73] These comprise the Clean Air project, developed by BESIX employees, that has made it possible to create plant walls for tunnels and roads for treating CO2.

[78] BESIX's commitment to international trade union associations follows regular criticism of construction companies and the working conditions of migrant workers in the Middle East.

[80] Going beyond the ILO rules, BESIX has implemented various initiatives for the benefit of migrant workers, for example in terms of health coverage or quality of housing.

[87] On a number of occasions since 2013, Six Construct, BESIX's subsidiary in the Middle East, has been awarded the Corporate Social Responsibility label of the Dubai Chamber of Commerce and Industry.