Complex sentence: Mode Signature was founded in 2013 by Adetola Anifalaje; with the existence of only the luxury fashion chain, which later branched out into other subsidiaries under the Mode Signature brand.
Split into simpler sentences: Mode Signature was founded in 2013 by Adetola Anifalaje; with the existence of only the luxury fashion chain. The conglomerate later branched out into other subsidiaries under the Mode Signature brand.