KOS International offers a range of services, including accounting and finance, customer service and telemarketing, consumer retail and FMCG, digital marketing and e-commerce, engineering, education and publishing, financial services healthcare and life sciences, frontline sales and operation support, hospitality, food & beverage and travel, legal and company secretarial, human resources, business support, property and construction, sales and marketing, temporary and contracting, procurement, and supply chain, and technology.