Yes, you can host several domain names and websites with all our webhosting and reseller hosting accounts. First link the domain names to your webhosting or reseller account, please see https://www.versio.eu/articles/270-how-do-i-link-a-domain-name-to-a-webhosting-or-reseller-hosting-account.
Subsequently, you can upload the files per domain name. Every domain has a different folder, meaning that you can place an entirely different website on every domain name. Please also see https://www.versio.eu/articles/266-how-do-i-upload-my-website-or-other-files-via-ftp--.