Complex sentence: At the same time giving the customers superior five-star customer service to where the client is the star, the masterpiece and leaves with a positive experience like no other establishment has offered where the key to business was to build personal relationships.
Split into simpler sentences: At the same time giving the customers superior five-star customer service to where the client is the masterpiece, the star and leaves with a positive experience like no other establishment has offered. A place where the key to business was to build personal relationships.