Site123 is a website builder that allows users to create professional-looking websites without any coding knowledge. The company was founded in 2015 and is headquartered in Tel Aviv, Israel. Site123's mission is to make website building accessible to everyone, regardless of their technical skills. The company offers a range of templates and customization options to help users create unique and engaging websites. Site123 also provides hosting and domain registration services. The company has received positive reviews for its ease of use and customer support.