Companies Act 2006: Primary legislation governing company operations, including shareholders' rights, directors' duties, company administration, share capital, transfers, and decision-making processes

Small Business, Enterprise and Employment Act 2015: Legislation covering transparency requirements and the register of persons with significant control (PSC register)

Financial Services and Markets Act 2000: Regulatory framework for companies engaging in regulated financial activities

Common Law Principles: Body of case law and precedents regarding shareholder rights, fiduciary duties, and general contract law principles

UK Corporate Governance Code: Set of principles of good corporate governance, primarily aimed at listed companies but providing best practice guidance for all companies

The Shareholders' Rights Regulations 2009: Regulations implementing EU directives on the exercise of certain rights of shareholders in listed companies

Data Protection Act 2018: UK's implementation of GDPR, governing how companies must handle personal data

Competition Law: Legal framework ensuring fair competition and preventing anti-competitive practices between businesses

Employment Law: Legislation governing employment relationships, particularly relevant when shareholders are also employees

Tax Legislation: Various tax laws affecting company operations, particularly regarding dividend distributions and share transfers

Insolvency Act 1986: Legislation governing company dissolution and insolvency procedures, including shareholders' rights in these scenarios