This Practice Note explores the key elements regarding the authorisation of a UCITS Management Company (UCITS ManCo) in Ireland. It outlines the regulatory framework governing UCITS ManCos, which includes both EU level directives and local Irish regulations. This note details the conditions for authorisation of a UCITS ManCo, including corporate structure, initial capital requirements, and staffing prerequisites. It also discusses the operational conditions UCITS ManCos must adhere to, such as prudential rules, delegation limits, and conduct requirements.