The chapter examines the law and practice of guardianship in the Canadian province of Saskatchewan, particularly the role of the government in safeguarding the interests of individuals with cognitive impairments; and the scope, effect and practical application of The Adult Guardianship and Co-decision-making Act. It also outlines the steady development of guardianship in Saskatchewan, from a highly intrusive instrument to one that advocates supported decision-making to maximise independence and free choice. This new framework allows guardianship to integrate with financial and other planning tools to secure the well-being of persons with cognitive impairments. The chapter concludes with a brief discussion of the role of guardianship in jurisdictions that, unlike Saskatchewan, have established a broad-based special needs trust to assist families in financial planning.