Historically, the UK’s corporate governance regime has focused on listed companies. A central part of that regime, the UK Corporate governance Code (UKCG Code), applies to a company with a listing of equity shares in the equity shares (commercial companies) category or the closed-ended investment funds category. However, the principles of good corporate governance it promotes are relevant to other companies, particularly AIM companies and large private companies. Such companies may choose to apply the principles of the UKCG Code and ‘comply or explain’ under its provisions, although they are not required to do so and may choose to adopt another corporate governance code that is more appropriate. A corporate governance framework aimed specifically at large private companies has been evolving slowly, and in a fairly ad hoc way, for decades. The development of a corporate governance framework for large private companies A company has been required to prepare a directors’ report for over 100 years. The Companies Act 2006 (CA 2006) requires every public and private company (other than one that qualifies as a micro-entity)