LDK Consultants is a multidisciplinary developmental consultancy group comprising 7 companies. Established in 1968 as an engineering firm providing services to the buildings sector, it has since expanded in the energy, environmental and water and transportation engineering and consulting, as well as socioeconomic development consulting.

It operates through its headquarters in Greece and its regional subsidiaries in Romania and Serbia for Southeastern Europe, Brussels for Central Europe and Kenya for Southeastern Africa. LDK has implemented assignments in more than 100 countries and 90% of its revenues are sourced from the foreign markets.

It has become on the one hand a leading engineering consultancy worldwide in hotels, complex buildings and urban and suburban railways, and on the other hand a trusted energy, environmental and socioeconomic development consultancy for the European Commission, The World Bank, European Bank for Reconstruction and Development, European Investment Bank and United Nations Development Programme.