We're an international supplier of essential services into facilities and premises owned by our customers. With more than 86,000 people around the world, our clients benefit from global knowledge and shared best practice. We provide services to clients throughout the world. Our OCS and Landmark brands are recognised internationally and offer a specific area of expertise for meeting our clients’ diverse needs. We deliver our facilities management services under the brand name PCS in Bangladesh, Cambodia and Thailand, and as PWB Services in Malaysia.