OneSpaWorld Holdings Limited is the pre-eminent global operator of health and wellness centers onboard cruise ships and at destination resorts. The company's business model revolves around staffing and managing spas, salons, and fitness centers within third-party hospitality venues, generating revenue primarily through business-to-consumer sales of services and premium retail products. Its comprehensive service offerings include traditional and alternative massages, skin care, fitness classes, acupuncture, and advanced medi-spa treatments. OneSpaWorld operates facilities on nearly 200 cruise ships—representing a vast majority of the outsourced maritime wellness market—and at dozens of land-based destination resorts globally. The company partners with major cruise lines, such as Royal Caribbean, Carnival, and Norwegian, leveraging long-term exclusive contracts that create a significant competitive moat. By operating within high-footfall, captive-audience environments, OneSpaWorld benefits from the growing consumer demand for luxury wellness and personal care experiences while traveling. The continuing business traces its roots back to 1901 with the founding of the Steiner salon in London, which later evolved into Steiner Leisure and pioneered the outsourced maritime spa model in the 1950s.