In the design and implementation of the joint administrative office of two companies in the construction industry, the reference to the modern understanding of aesthetics and quality of the workspace and its production with glass divisions of the spaces with a high level of sound insulation, mobile lighting concept according to current needs, mobile built-in systems for hanging frames is sought to the maximum extent,  large-format finishing coatings requiring minimal maintenance effort, sound-absorbing panels and fabrics for better acoustics and sound insulation, complex and state-of-the-art HVAC installation, BMS installation, as well as security system with video surveillance, fire alarm and access control with facial recognition and many other of the most modern technological and functional solutions.