Aside from performing different luxurious interior design international, Katrina Antonovich is also very well known as the best provider of exquisite furniture design, customized masterpieces, and dramatic staircase design. The staircase design and setting are also depending on the concept design and mood for the interiors. The most dramatic staircase design is in a classical form which is usually being seen in palaces and royal villas. There will be a set of artistic details of style that will be very well arranged in a special form. Just like the other major parts of the house, staircase design has to be very well composed of premium class materials and high-quality finishing. Katrina Antonovich has been very detailed when it comes to every interior design arrangement most especially for every staircase design and composition. Each material and decoration shall be made up of the highest quality and style which is perfectly suitable with the design concept of the interiors.