TEDA was incorporated in Sierra Leone, West Africa in 1989.  As a Multi-Disciplinary practice, it has been involved in, Environmental Studies, Architecture, Engineering, Quantity Surveying, Urban and Rural Design, Project Management etc.  We offer a full range of services to clients at all stages involving; analysis, design, and management of projects.  We have extensive experience in working with the public and private sectors, on large and small projects alike.  We are committed to helping clients through expert advice, appropriate design and innovative technology.

TEDA is also engaged in Property Valuation for Machinery, Properties both Landed and Structural, Marine Works, Agricultural Assets, Utility Work including Power Stations and Water Works.

We have established a useful working relationship with a wide range of specialists both locally and internationally.

The Firm is staffed with highly motivated professionals who deliver efficient and quality service, with very strong commitment to enhance the Environment.  This is evidenced by the range of clientele and projects undertaken; such as Design and Supervision of Construction of Universities, Hospitals, Schools, Office Buildings, Rural Development, Housing, Environmental Impact Assessment Studies, etc.