BIQS is a dedicated fire-protection engineering practice with offices in Zürich and Chur. Its core competencies are fire-protection planning, engineering methods (including CFD fire and smoke simulation) and VKF quality assurance across residential, industrial, commercial and heritage projects, together with fire-response (Brandfallsteuerung) planning and CAD fire-safety plans. The firm’s fire-safety concepts and simulations are intended to support, not replace, professional judgement.