The GSSC offers comprehensive financial and accounting services that help organizations strengthen operational efficiency, compliance and financial accuracy across global missions.

The GSSC provides end-to-end human resources and administrative services that can help organizations to accurately manage global staffing, payroll, recruitment, pensions and insurance in line with compliance requirements. 

The GSSC provides efficient, scalable and policy-compliant supply chain services that support inter-agency operations. Key offerings include global procurement, logistics and warehousing, quality assurance, master data management and data-driven reporting services, enhancing transparency, coordination and decision-making across regular and emergency contexts. 

The GSSC offers scalable information and communications technology services that can help organizations operate more efficiently, securely and strategically across global missions.

The GSSC manages payment for over 16,000 staff and non-staff. This covers international Professional staff worldwide, national staff in 168 countries, and non-staff based in Switzerland.

The GSSC offers administrative services for project monitoring and reporting, internal controls and compliance support, staff travel and hotel/conference booking, common services, shipment of personal effects and centralized financial and sustainability dashboards. It also creates uniform dashboard templates, automates data feeds and manages reporting.