WorkVenture gives you an inside look at what it's like to work at Grand Samui Secret Beach Spa Resort Co., Ltd., office & team photos, reviews and more. This is the Grand Samui Secret Beach Spa Resort Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Grand Samui Secret Beach Spa Resort Co., Ltd..Apply to Thonburi PhanichApply to Siam InternationalApply to greenlineApply to Sport Thai