Büyük Sefler Gida Turizm Tekstil Danismanlik Organizasyon Egitim Sanayi Ve Ticaret A.S., together with its subsidiaries, operates a chain of restaurants under the BigChefs, NumNum, and Buselik brands in Turkey and internationally. It also franchises its restaurants. Büyük Sefler Gida Turizm Tekstil Danismanlik Organizasyon Egitim Sanayi Ve Ticaret A.S. was founded in 2007 and is headquartered in Istanbul, Turkey.