In 1997 as students of 2nd year of Art Academy at Cetinje, Branko BanjO Cejovic and Olivera Markovic founded the first design studio in Montenegro by the name – design BanjO. They participated by ProMonte GSM – Podgorica for idea solution of poster. Their solution became interesting for ProMonte who offered professional cooperation for graphic design. There started their professional career.

During 2002 they established dBO advertising Agency (dBO is abbreviation of design BanjO) first full service Agency in Montenegro.