Complex sentence: Only the original Liverpool store continues to trade under the Lewis's name and is owned and operated by Vergo Retail Ltd. The company should not be confused with the still existing and totally separate department store chain John Lewis.
Split into simpler sentences: Only the original Liverpool store continues to trade under the Lewis's name. It is owned and operated by Vergo Retail Ltd. The store should not be confused with the still extant and totally separate department store group John Lewis.