The paper discusses features of employing BIM for designing modular building, using the Steel2Real'23 competition as a case study. The Steel2Real'23 student competition, organized by the Association for the Development of Steel Construction, seeks to enhance the usage of steel in construction. Modular construction is an emerging construction technol-ogy. However, a research gap is found concerning the practical usage of BIM in designing multi–story modular construction buildings in Russia. The article performs comparative anal-ysis of the various approaches for process of designing and highlights that have streamlined the work of architects and designers during planning and design phases. The conclusions em-phasize the advantages of employing information modeling in modular construction and out-line the potential for its integration into contemporary design practices.