In 2020, the Azerbaijan Investment Holding (AIH) was established to professionalise and improve the governance and performance of Azerbaijan’s key state-owned enterprises (SOEs). This review describes and assesses the corporate governance framework of AIH and its portfolio companies against the OECD Guidelines on Corporate Governance of State-owned Enterprises. It makes recommendations to help the Azerbaijani authorities reform their state-owned sector and align the exercise of state ownership and the governance of SOEs with international best practices.