This paper presents a comprehensive review of existing literature concerning the domains of accreditation and quality assurance in various sectors. Accreditation and quality assurance play vital roles in ensuring the credibility, transparency, and effectiveness of educational institutions, healthcare facilities, industries, and other domains. This paper synthesizes the findings of numerous studies, focusing on the conceptual frameworks, methodologies, and outcomes associated with accreditation and quality assurance processes. The review encompasses a wide range of perspectives, including historical context, best practices, challenges, and advancements in accreditation and quality assurance. Through a systematic analysis of these scholarly works, this paper aims to provide a deeper understanding of the evolving landscape of accreditation and quality assurance across diverse sectors and shed light on potential future research directions.