O1 Properties was established in August 2010 when the commercial real estate investment department of Otkrytiye Financial Corporation became an independent company. Dmitry Mints was appointed Chairman of the Management Board, Alexander Ostrovsky took the post of CEO and Michael Stanton was appointed Chief Investment Officer of O1 Properties.

October-November - O1 Properties acquired the Vivaldi Plaza and Lighthouse office centres, which were then under development.

November - O1 Properties acquired a large portfolio of office centres including Avion, Krugozor, LeFort, Stanislavsky Factory and Gamma from Horus Capital. The financial, marketing and lease teams of Horus Capital joined O1 Properties.

December - O1 Properties acquired the Olympia Park office centre at the development stage.