Sales is one of the most important functions in the economic reproduction process because it enables the realization of manufactured products and turning them profitable, i.e. delivering them to the end consumer. The products that the consumers will not buy, do not possess the use-value, so in that sense the sales represents the standard for the usefulness of the realized production. Only through sales can the companies gain social acknowledgment for the manufactured products. The sales function is tied closely to the marketing function. Businesses and marketing activities are indirect contact with the market, and same goes for the sales, because marketing activities are reflected in the sales function. The marketing function directs business towards sales, so the marketing jobs and activities are integrated within the sales function. This final assignment paper describes the business and sales function of the company Infokom d.o.o., which in its Infokom d.o.o. selling spots offers its buyers a large selection of laptops and desktops monitors, TVs, smartphones, digital cameras, network equipment, computer components, printers, projectors, GPS systems, computer peripherals, various types of cables and supplies.