A Joomla development company specializes in creating, customizing, and managing websites using the Joomla content management system (CMS). These companies offer services such as website design, custom module development, template creation, and extension integration to enhance the functionality and aesthetics of Joomla-based sites. By leveraging their expertise in Joomla, these companies help businesses build robust, scalable, and user-friendly websites that cater to their specific needs, ensuring a strong online presence and improved user engagement.