Looking for an online Marketplace app

We are seeking quotations from experienced app and web development companies/freelancers for the design and development of a modern online marketplace platform.

The project will include:
Mobile application (iOS & Android)
Responsive website
Full admin/backend management panel

The platform should support user listings, account management, messaging/chat functionality, search & filtering, notifications, advertising capabilities, analytics/reporting and scalable marketplace functionality with a modern UI/UX experience.

The admin portal should allow complete management of users, listings, advertisements, content, reporting and platform settings.

We are looking for a professional, scalable and commercially ready solution with strong user experience and future expansion capability.

Please provide:
Company/freelancer profile
Relevant portfolio/examples
Recommended technology stack
Estimated delivery timeline
Quotation/cost estimate
Ongoing support/maintenance options
Preference will be given to developers with prior experience delivering marketplace or classified platforms.
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