PSG Construction completed the revitalisation of the Těšín Theatre in September 2025, transforming the landmark cultural building into a modern, fully accessible venue. The project included a comprehensive refurbishment of the interior, installation of new stage technology, modern building services, acoustic improvements, and the restoration of the observatory. External works comprised a new rooftop terrace, landscaped courtyard and upgraded entrance areas, creating a comfortable, safe and high-quality environment for visitors and staff.