Within the frame work of this vision which started in 1970; Tuna established a joint venture with Girsberger AG of Switzerland, one of the world wide well known and most experinced company in Office seating and introduced to the Turkish market ergonomic, healthy sitting and functional values in 1992.

Materialization of design, functionality and development of new products
demand on well-organized manufacturing infrastructures which based on state-of-the-art technologies.

TunaOfis is operating as a member of Tuna Grup, founded as TunaÇelik in 1970. TunaOfis is manufacturing in their 35.000 sqm factory, built in Silivri, Istanbul.