The Palliative Care Outcomes Collaboration (PCOC) is a national program funded by the Australian Government to improve patient and carer outcomes. Through standardised clinical assessments, PCOC enables symptom management, benchmarking, and quality improvement. Its core framework creates a common clinical language, supporting better communication and care. Participation is voluntary and open to all Australian palliative care services, offering education, tailored support, and a national community of practice. PCOC provides valuable insights into symptom trends and treatment effectiveness, shaping the future of evidence-based, patient-centred palliative care.