UWP Consulting Tanzania Ltd (UWP) is a private company which was founded and registered in 2005 and represents a partnership between Tanzanian professionals and Mariswe Holdings of South Africa. Mariswe (Pty) Ltd (formerly known as UWP Consulting (Pty) Ltd) is a well established and respected South African based civil and structural engineering consulting practice, which has been active in Sub-Saharan Africa since 1972. The Tanzanian shareholders have majority shareholding in the company. 

Being in service since 2005, the entire professional staff of UWP are involved in undertaking a broad range of engineering consulting services in fields such as transportation, water supply & sanitation, highway design, structures, geotechnics, construction management, environmental engineering, training and human resource management.