IT infrastructure and communication consulting that includes data centre and network strategy consulting, data center optimization/consolidation services, architect and design infrastructure solutions, email and communication management, servers and storage management, and database services; and datacenter and infrastructure services.

It also offers business process outsourcing (BPO) services; IT infrastructure services; and IT services, including applications design, development, maintenance, and support, consulting, staffing, and back office processing. In addition, the company provides support and maintenance, and BPO infrastructure support services; portals and content management; and managed services.

It serves banking, financial services, and insurance; health care; manufacturing; education and e-learning; government; logistic and supply chain; and telecommunications industries. Yeolak GSL is currently investing in Radio & Television Broadcasting Solutions; looking toward getting the broadcasting & production license for same as soon as possible.