Confidentiality and Independence

We require strict adherence by our directors and staff to the ethical rules of our profession and our firm. In all aspects of our practice our directors and staff maintain a strict standard of confidentiality towards information that is obtained during the course of carrying out our professional duties. Furthermore, the firm and its people maintain complete independence of interest and mental attitude in relationships with clients.

Contact Info
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Corner Stone Africa
Africa Union Road (Opposite Alpha Palace Hotel),
Kisementi Cell - Gasabo District
Phone: (250)788302477
P.O.Box: 1918 Kigali
We have moved Cornerstone Africa (COSTA) Head Office has moved from Solas Building to Africa Union Road (Opposite Alpha Palace Hotel), Remera Sector, Gasabo District.

According to its Managing Director, Mr. Joshua Mbaraga, COSTA move is meant to create more visibility for the company and also be strategically co-located with their Training Institute that will soon be commissioned on the same block..