PurposeThe purpose of this research is to demonstrate how legal strategies can be used to enhance the effectiveness of value-added tax (VAT) and how taxation laws can synergise with economic goals to strengthen the economy.Design/methodology/approachThis study uses a comprehensive approach to explore various aspects of VAT, including its mechanics, collection process and global trends. It uses a comparative analysis of different types of taxes and their potential impact on economic growth. Additionally, it examines the role of the law in establishing tax systems, and how the law makes VAT more effective.FindingsThe research highlights the importance of legal frameworks in implementing VAT strategies and addressing associated challenges. It also identifies the advantages and disadvantages of VAT and discusses its role in diversifying economic income sources to ensure a sustainable national revenue stream.Originality/valueThis research contributes to the literature by offering insights into the interplay between law, taxation and economic development, particularly focusing on the effectiveness of VAT. It provides original perspectives on legal strategies to optimise VAT systems and enhance economic growth.