Companies Act 2006: Primary legislation governing company operations, including directors' duties, loans to directors, and registration requirements for charges

Financial Services and Markets Act 2000: Regulates financial promotions and consumer credit provisions in the context of financial services

Consumer Credit Act 1974: Relevant if the shareholder is an individual and the loan could be classified as consumer credit

Insolvency Act 1986: Covers preferential treatment of creditors, transactions at undervalue, and provisions about connected persons

Income Tax Act 2007: Governs the tax treatment of interest payments and benefits in kind considerations

Corporation Tax Act 2010: Covers tax treatment of loans to participators and transfer pricing considerations for connected parties

Money Laundering Regulations 2017: Regulatory requirements for preventing and detecting money laundering in financial transactions

PSC Regulations: Requirements regarding People with Significant Control and their disclosure obligations

Common Law Contract Principles: Fundamental principles of contract law including offer, acceptance, consideration, and intention to create legal relations

Fiduciary Duties: Common law principles regarding duties of trust and loyalty, particularly relevant if shareholders are also directors