This is a review site featuring information, word-of-mouth reviews, reputations, and personal experiences of the湘南 Beauty Surgical Clinics from all over Japan.
(Note: "湘南" (Shonan) is kept as is since it's a proper noun referring to a specific region/clinic name.)
A more natural translation might be:
"This is a review site providing information, customer reviews, reputations, and personal experiences of Shonan Beauty Surgical Clinics nationwide in Japan."