Onsen Retreat and Spa Group Public Company Limited provides onsen and spa services in Thailand. It operates through Rendering of Onsen and Spa; and Sales of food, Beverage and Other segments. The company operates spas under the Yunomori Onsen & Spa and Klai brand. It also engages in the sale of food and beverages under the Happy Rice brand name; retail of lifestyle products, including Japanese robes, scarves, umbrellas, water bottles, coffee mugs, and pillows. Onsen Retreat and Spa Group Public Company Limited was founded in 2011 and is headquartered in Bangkok, Thailand.