Website design plus content upload using muti-media professional

We are looking for a professional website development team or agency, not just one freelancer, to help us build and upgrade multiple websites. Please review the attached documents carefully. They explain the project requirements, examples of content, website structure, expected features, and benchmark/reference websites to give you an idea of the design quality and functionality we are looking for. The work includes professional website design, development, content organization, multimedia/content uploading, image and video formatting, mobile responsiveness, basic SEO, security setup, and long-term support after launch. We need a team that can provide a project manager, designer, developer, and media/content support person who can take rough material from us and present it in a clean, professional, and attractive way. This is not only a basic website design job. We are looking for someone who can understand the full project, guide us properly, organize the content, build the website professionally, and provide ongoing support for updates and future expansion. Please provide: * Your proposed approach * Estimated timeline * One-time development cost * Monthly maintenance/support cost * What is included and not included * Examples of similar work * Confirmation that all website access, ownership, hosting, domain, content, and source files will be handed over to us Please do not send a generic proposal. Only apply after reviewing the attached files and explain how your team can handle the complete project.