1970
Tuna started manufacturing steel office furniture with the brand name of Tuna Çelik.
1976
Opening of the first showroom in Karaköy.
1982
Opening of the showroom in Ankara as a first step of the nationwide growth and development.
1992
Establishing the joint venture with Girsberger Holding AG of Switzerland, a worldwide brand in office seating.
1993
Closed plant area increased by 19,000 sqm, and new production lines were added.
1999
Tuna moved its factory to Silivri to a premises with a closed area of 35,000 sqm, and equipped with the latest technology. The new factory is designed by a well-known architectural design consultant company, Tabanlıoğlu.
2002
Opening of the showroom in Silivri, which is one of the biggest showrooms in the sector, with a closed area of 15,000 sqm. Production of home furniture started.
2007
Opening of the showroom on the Anatolian Side of İstanbul.
2019
Taksim Showroom
Tuna Ofis’s Headquarters and showroom moving to Sofitel Istanbul Taksim Hotel.