Employment Rights Act 1996: Core legislation defining employment rights and responsibilities, crucial for distinguishing between employees and contractors. Contains fundamental definitions and rights that help determine employment status.

National Minimum Wage Act 1998: Legislation governing minimum payment requirements. While primarily focused on employees, it may be relevant for contractors depending on the working relationship structure.

Working Time Regulations 1998: Regulations controlling working hours and rest periods. Though contractors usually fall outside these regulations, they should be considered if there's risk of worker status classification.

Health and Safety at Work Act 1974: Primary legislation for workplace safety, defining contractor safety obligations and responsibilities while working on client premises or projects.

Equality Act 2010: Comprehensive anti-discrimination legislation that protects individuals from unfair treatment, applicable to both employees and contractors.

IR35 Legislation: Off-payroll working rules determining tax status and genuine self-employment, particularly crucial since 2021 reforms for determining contractor tax status.

GDPR and Data Protection Act 2018: Legal framework for data protection and privacy, essential for defining how contractor personal data is handled and processed.

Companies Act 2006: Primary legislation governing company operations, particularly relevant when contractors operate through limited companies.

Supply of Goods and Services Act 1982: Legislation governing service quality standards and implied terms in contracts for services.

Contracts (Rights of Third Parties) Act 1999: Legislation governing how third parties may enforce terms of a contract, important for defining scope of contractual rights and obligations.