This document, titled "D2.2 - Preliminary Market Scenarios & Pathways to the Future Open European CEI Ecosystem” is a direct outcome of the UNLOCK-CEI project's work package 2 (WP2), which focuses on designing a framework to address proactively the needs and wants of demand sector about IoT-to-Edge-to-Cloud (CEI) technology as well as to identify the requirements to implement such solutions in specific products and services.This deliverable unfolds as a strategic endeavour to comprehend the current and future market structures within the European Union, positioning itself as a valuable resource for stakeholders navigating the evolving landscape of Cloud-Edge-IoT technologies. The methodological foundation rests on a synthesis of Eurostat data and other authoritative sources, establishing a robust framework for a nuanced understanding of the unique challenges and opportunities embedded in each sector.