Proekt Rousse AD is a company which has been created by the main investors in the project – Municipality of Rousse, Densi Story, and Prista Oil EAD to service the development of Grand Plaza in Rousse.

Prista Oil EAD is the largest Bulgarian producer of motor oils and the unquestionable leader in the Balkans. Prista Oil EAD produces more than 150 types of motor and industrial oils, and it is involved also in the motor oils trade, transport and conservation. The company has its head office in Rousse.

Densi Stroy is the company which developed the shopping center Central Mall - Veliko Tarnovo – the first shopping mall that was opened outside the capital. Densi Stroy is a subsidiary of one of the biggest importers, distributors, and retailers of black and white techniques inthe country Densi-M LTD. The company owns the exclusive rights for importing and selling in Bulgaria the electric goods under the brands of Hyundai, Snaige, Zelmer, Mastercook, Davoline, Imetec, etc. The company is a member of the Bulgarian Chamber of Commerce and Industry and has a Certificate of Management Systems Quality.

Atelier Serafimov Architects is one of the biggest architectural design companies in Bulgaria. Their track record includes the development of architectural design of various types of real estate properties like residential, commercial, and hotel buildings, and interior design.

Colliers International is a worldwide affiliation of independently owned and operated companies with more than 290 offices in over 60 countries worldwide. The company has operated in the country since 1991 and has been actively involved in the most successful commercial and residential projects in Bulgaria. For Grand Plaza Mall Colliers provides Market Analysis, Marketing and Legal Advisory Services, Exclusive Landlord representation and Property Management.