Contracts Act 1872 (Chapter 53): Primary legislation governing contract formation, validity, performance, breach and remedies in Singapore. Essential for basic contract structure and enforceability.

Electronic Transactions Act 2010: Regulates electronic transactions, digital signatures, and electronic records. Relevant if the agreement will be executed electronically or services provided tHRough digital means.

Personal Data Protection Act 2012: Governs the collection, use, disclosure and care of personal data. Critical if the services involve processing personal information or cross-border data transfers.

Goods and Services Tax Act: Determines tax implications for services provided, including GST registration requirements and tax compliance obligations.

Competition Act 2004: Addresses anti-competitive behavior and market dominance issues. Ensures agreement terms don't violate competition laws.

Unfair Contract Terms Act: Controls the reasonableness of contract terms, particularly regarding limitation of liability clauses and unfair terms.

Limitation Act: Sets time limits for bringing legal claims and prescription periods for contractual disputes.

Industry-Specific Regulations: Sector-specific rules and requirements that may apply depending on the nature of services (e.g., professional services regulations, industry codes of practice).

Singapore Common Law: Relevant case law precedents and principles of equity affecting contract interpretation and enforcement in Singapore.