orthner orthner & associates

orthner orthner & associates - OOA

is a unique architectural practice located in Accra, Ghana, founded by Austrian trained Martin and Rosemary Orthner in 2006

We successfully bridge two cultures, Europe and Africa, bringing extensive design and construction experience from both continents to bear on every single project, large or small.

We have partnered with a number of international firms like, HOKCO-ARC, ARUPPBP+W, or ZGF with clients as diverse as the WORLD BANK/IFC,  ORACLE, GOOGLE,  IMF, and the EU and have been involved with some of Accra’s most distinctive landmark buildings in recent years.


OOA is featured in Domus 50 best architecture firms 2020 with the focus on identifying the world's 50 most creative, interesting and promising emerging architecture practices!