Globally, many companies were affected by the COVID-19 pandemic. Companies had to close their doors causing large economic losses and this caused the increase in unemployment. This research paper explains the correct application of digital marketing, a method that when applied well makes sales increase in the first two months by 20% worldwide. In the research work applied to the company SELCOM will talk about important processes that were applied in the company for the development of a new web system which made it increase sales in the company and even without the need to reopen its main point of sale since thanks to the web system developed, most of its products are positioned in an organized way in Internet search engines.