Over the past decade, trade issues between the European Union (EU) and Ukraine have become increasingly relevant and complex. As part of the implementation of the Association Agreement, much attention is being paid to the impact of tariff and non-tariff restrictions on trade relations between the two partners. Both sides have invested significant efforts in expanding and improving their economic partnership. However, the complexity and diversity of tariff and non-tariff restrictions create new challenges for the sustainable development of trade relations. This article conducts a comprehensive analysis of the profound implications resulting from tariff and non-tariff constraints on trade relationships between the European Union (EU) and Ukraine. A significant focus is directed towards the consequences emerging from the Association Agreement established between these stakeholders and the consequential dismantling of customs barriers. A meticulous examination is dedicated to tariff restrictions, aimed at evaluating their substantive impact on trade volumes and their subsequent influence on specific sectors that may fall within their purview. Additionally, the study delves into the intricate interactions of tariffs, shedding light on potential avenues for the enhancement of the supply of goods to the markets. Within the broader context of trade relations, this article thoroughly explores the intricate web of political and economic factors. It scrutinizes the influence of political agreements, the efficiency of administrative procedures, and the overall effectiveness of customs clearance processes. In conclusion, this study underscores the intricacy and multifaceted nature of the interplay between tariff and non-tariff barriers in the realm of EU-Ukraine trade relations. Furthermore, it successfully identifies opportunities for future regulatory enhancements that can foster unimpeded and efficient trade exchanges between the concerned parties. Summary the article delves into the influence of both tariff and non-tariff barriers on trade relations between the EU and Ukraine. It covers the beneficial effects of Ukraine's association with the EU on trade, the consequences of diminished tariff barriers, obstacles arising from non-tariff regulations, the significance of dialogue and collaboration, and the geopolitical backdrop of these trade connections.