A Licensed Master Social Worker (LMSW) is a professional who has advanced knowledge and skills in the field of social work and has been licensed by the state in which they practice.A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully.They provide a wide range of services to individuals, families, and communities, including counseling, therapy, and case management. xijylhu They work with a diverse population, including those dealing with mental health issues, substance abuse, poverty, and other socio-economic challenges.