Our activities in Architecture and Engineering span nearly 3 (three) decades ranging from Rural Development Projects to substantially complex architectural and engineering solutions; such as Design and Supervision of Construction of Universities, Hospital, Office Blocks etc. Our involvement and experience in these projects range from Feasibility Studies, Concept and Detailed Design, Production of Contract Documents, Management of Tender Action and Supervision of Works. We strive to combine cost effectiveness and timeliness with our solutions.


The practice undertakes a wide range of work in the field of Environmental Studies and Management. Our outlook since its inception has been greatly influenced by solutions that are underpinned by Environmental Sustainability.

We have successfully undertaken a number of Environmental Studies for a wide range of clientele and projects, in manufacturing, oil exploration, mining etc. We are currently supplying Environmental advisory services to a number of significantly large mining concerns.

TEDA possesses the flexibility to cooperate with a wide range of specialists and joint venture with other Agencies depending on the demands of the assignment.

Amongst our list of Clients are: -
1. FG GOLD - Mining
2. Seawright Mining Company - Mining
3. African Minerals (SL) Ltd - Mining
4. China Kingho (SL) Ltd - Mining
5. Cape Lambert (SL) Ltd - Mining
6. Sierra Minerals Holding Ltd - Mining
7. Dangote (SL) Ltd - Cement Production
8. TGS Nopec - Oil Exploration
9. Millennium Panorama - Mining etc.


At TEDA, all projects small or large receive the attention and effort they deserve. Our keen attention to detail and communication regime is key to our usual timely and efficient delivery system.

The Firm has managed projects from one-off residential to the reconstruction of university towns for 3,000 to 5,000 residents, egs. the Reconstruction of Njala University in Sierra Leone, Sierra Rutile Intermediate and Senior Staff Housing; other projects are office buildings, Commercial Banks, such as :

1. Sierra Leone Commercial Bank (Freetown, Bo, Kono, Njala, Makeni) in Sierra Leone
2. Rokel Commercial Bank Ltd Buildings in Freetown, Bo, Kenema, Makeni in Sierra Leone.
3. United Bank of Africa (UBA) – 5 branches in Freetown, Sierra Leone
4. Bank of Sierra Leone in Freetown and Kenema
5. UNDP Building at Wilberforce etc.

In all of these projects the firm provides complete consulting services including the following:
1. Site selection, topographical survey and geotechnical studies etc.
2. Preparation of the Bidding Documents (Design, Working Drawings, Specifications, Bills of Quantities, Conditions of Contract etc.).
3. Invite bids from approved contractors; appraise and advice on bids submitted.
4. Operations on site:

  1. Administer the terms of the bidding contract.
  2. Visit the site regularly to inspect the progress and quality of the works.
  3. To produce regular progress reports.
  4. To certify interim and final payments to the contractor.