The paper deals with the importance of public appearance in business communication. It has been found that public speaking is of great importance for companies that learn to communicate in a business environment. In the end, the users of the company themselves are part of that public. Therefore, effective public speaking is very important for the growth and development of a company. In addition to selling, which is in the interest of every sales company, effective public speaking has an inspiring effect on the audience, creates self-confidence, develops management skills, encourages critical thinking, develops persuasion skills, and so on. For a successful public appearance, it is necessary to first get rid of the fear of public appearance. Good preparation is considered by many to be crucial for the success of a public appearance. Certain mistakes that the speaker may make unconsciously should be avoided during the performance. The qualities, knowledge, abilities and skills of the speaker are also important. Of particular importance are communication skills, ie non-verbal, oral and verbal communication. In order to be as effective as possible, there should be a connection between different types and ways of communication. All of this can also be applied to public appearance in a business environment, especially when the public appearance is intended to influence the attitudes and behaviors of the audience, which is actually quite common. Companies that have effective public appearances can use this fact as a basis for competitive advantage. That is why it is important to have quality experts in the field of business communications and public speaking and to invest in their education and training.