Contractor is an individual, company, agency, or service provider engaged by an organization to perform specific work, provide services, or supply a workforce under agreed contractual terms. In workforce and labour management, a contractor may be responsible for recruiting, deploying, supervising, paying, and managing contract workers assigned to a principal employer or worksite. Contractor arrangements generally define the scope of work, contract duration, workforce requirements, commercial terms, responsibilities, service levels, documentation, and applicable compliance obligations. In Contract Labour Management Systems (CLMS), contractor management includes contractor onboarding, agreement and license tracking, worker registration, document verification, attendance and muster management, wage and payroll coordination, statutory compliance, billing reconciliation, deployment tracking, and contract expiry monitoring. A centralized contractor management system improves visibility across contractors, helps organizations monitor workforce and compliance requirements, reduces manual administration, and supports audit-ready records and controlled contractor operations.