Electronic Transactions Act (ETA): Primary legislation governing electronic contracts and digital signatures in Singapore. Ensures legal recognition of electronic records and transactions, critical for online contract formation and execution.

Copyright Act: Protects original works including website design, code, and graphics. Addresses ownership and transfer of intellectual property rights, with recent 2021 amendments modernized for digital age considerations.

Personal Data Protection Act (PDPA): Regulates the collection, use, and disclosure of personal data. Essential for website privacy policies and data handling, including compliance requirements for data storage and transfer.

Computer Misuse Act: Addresses cybersecurity requirements and website security obligations. Provides framework for protection against unauthorized access and cyber threats.

Consumer Protection (Fair Trading) Act: Ensures fair trading practices and consumer protection, particularly relevant if the client is classified as a consumer. Protects against unfair business practices.

Contract Law (Common Law): Covers basic principles of contract formation, terms and conditions, and remedies for breach under Singapore's common law system.

Supply of Goods and Services Act: Establishes quality of service provisions, implied terms for service contracts, and professional standards requirements for service delivery.

IMDA Guidelines: Industry guidelines set by Info-communications Media Development Authority of Singapore covering website accessibility standards and best practices.

ASAS Guidelines: Advertising Standards Authority of Singapore guidelines governing advertising and marketing communications in digital media.