Which act regulates private limited companies in the UK?

The Companies Act 2006 is the primary piece of legislation that regulates private limited companies in the UK. This Act modernized company law by simplifying and consolidating various previous laws and regulations, including those from earlier acts such as the Companies Act 1985. It is comprehensive and addresses key aspects such as company formation, management, financial requirements, and corporate governance.

The 2006 Act introduced significant changes that reflect contemporary business practices, including the notion of general duties for directors and provisions relating to the rights of shareholders. By also incorporating more flexible regulatory frameworks, the Act has facilitated easier compliance for companies, promoting efficiency and clarity.

The other acts listed, while important in their own time, are either outdated or focused on aspects that are now covered by the 2006 legislation. Therefore, the Companies Act 2006 is essential for understanding the current legal framework surrounding private limited companies in the UK.