<span lang="EN-US">Certification in hospitality sector is an important and strategic factor for companies and employees because it provides added value, trust and guarantee to customers for the quality of products and services. The purpose of this study is to explore the need of certification in hospitality industry and specifically to analyze whether certification of employee and company can lead to sustainability for companies. 387 respondents participated in this study through filling out questionnaires distributed via online to hotel and venue employees starting from supervisor to director level. The data collected was analyzed with SmartPLS 3.3.3. The results show that certification has a positive and significant effect on sustainability of company. Various mandatory certifications such as certifications of profession, health, quality, safety and so on are considered important and able to maintain the performance of employees and company effectively and efficiently to prevent losses and waste of costs so that the company can continue to survive and be sustainable</span>