ETHAIA Consultoria (Sociedade Unipessoal) Lda is an independent Mozambican company of engineering and environmental sciences services, namely sanitary engineering. It was founded in 2014 and since then it is focused on different projects of environmental scope including project management.

Its founder and general manager, Simão Dias, since 2000 he has been active in different activities of environmental consultancies, and since 2009 he has given special attention to the needs and specificities of developing countries, with special emphasis on municipal and decentralization area, including capacity building. Its portfolio includes projects in Angola, São Tomé and Príncipe, Mozambique, Côte d'Ivoire, Democratic Republic of Congo and Eritrea.

Some of its publications can be consulted here.