The HSA was formed on 17 November 1997. In January 2009 modernized its image and changed the name to HSA Engineering, Ltd. It is very likely the most experienced company ENGINEERING SAFETY and ENVIRONMENT operating in the domestic market, having pioneered the provision of SAFETY AND HEALTH COORDINATION during the project and during the Work and an obligatory reference in these domains. The first work of great prestige, was the Safety Coordination during the Work of the Vasco da Gama Shopping Centre, now the "distant" in 1998, when Portugal were beginning to take their first steps in these matters. Throughout his work, held COORDINATION OF SECURITY in over 500 ventures, and many of them are indelible marks of the development and progress of Portugal, in the last decade. The contribution of HSA was not restricted nor restricts the scope of the Construction Safety.