Sara-4 DOOEL was founded in 1995 in Skopje by the civil engineer Sonja Apostolova as a design company. The core business of Sara-4 was design of residential and non-residential facilities intended for housing, industrial and commercial buildings.

ARS- ENGINEERING is a licensed company for the performance of work in the field of design, audit and supervision. These three elements in the process of construction are the most important parameters for economical and successful leadership during the procedure of the construction.

JU-SM is a company that offers effective and efficient realization of services, that is, complete work services, both in our country and in the surrounding countries.

Amplus is a consulting company that provides a wide range of expert accounting, consulting and financial services for small and medium-sized enterprises, non-profit organizations, sole proprietors and foreign investors that invest in Macedonia.