Complex sentence: In November 2004, the operation was branded as "mtc touch", then as "touch" in June 2012 and remains today the sole subsidiary amongst 6 others not to be owned by Zain Group.
Split into simpler sentences: In November 2004, the operation was branded as "mtc touch", then as "touch" since June 2012. It remains today the sole subsidiary amongst 6 others not to be owned by Zain Group.