PSJ holding, a.s. is a parent company of the PSJ Group that deals with construction work, implementation of building requirements, development and technology transfer.

The company's existence began in 1990 when PSJ spol. s r.o. was founded as a new company with no links to any former construction firms. PSJ holding a.s. has gradually become a company with state-of-the-art technology. Among its highest qualities we should mention the company's flexibility, sophisticated methods of technical and technological problem-solving, ability to cooperate effectively with its subcontractors and several prominent investors, including financial and bank institutions.