Posh Celebration - AI Powered Celebration Marketplace

Posted Oct 25, 2026

Posh Celebration is a responsive event marketplace designed to make planning weddings, parties, and corporate events more structured and discoverable. The experience brings vendor browsing, real-event inspiration, packages, quotations, and payment planning into one connected system. Its core tools include Posh Planner, a step-by-step event workspace, and Posh Buddy, a conversational assistant that guides users from an initial idea to relevant services and vendors. The case study covers research, information architecture, design-system foundations, marketplace and vendor experiences, responsive layouts, and key planning flows for customers and event-service businesses.