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The integration of Digital Twin technology in small and medium‐sized enterprises (SMEs) has brought forth a transformative paradigm in engineering practices. This paper presents a comprehensive overview of the use of Digital Twin in SMEs and its implementation of advanced digital technologies in an engineering context. The paper highlights key benefits, such as the ability to simulate, analyze, and predict the behavior of products or processes before their physical instantiation. By leveraging advanced modeling and simulation techniques, SMEs can efficiently explore multiple design iterations, identify potential issues, and optimize engineering solutions without costly physical prototyping. Furthermore, the paper discusses integrating other advanced digital technologies, such as the Internet of Things (IoT) and Artificial Intelligence (AI), with Digital Twin to create intelligent and interconnected systems. The implementation of Digital Twin technology in SMEs extends beyond product design to encompass various aspects of the product lifecycle, fostering efficiency, accuracy, and innovation. However, challenges such as data integration, cybersecurity, and skill requirements are addressed. With proper planning and investment, SMEs can unlock the full potential of Digital Twin technology to gain a competitive edge in the dynamic engineering domain. In conclusion, this paper demonstrates that the use of Digital Twin in SMEs and its integration with advanced digital technologies revolutionizes engineering practices. By offering virtual representations of physical assets and processes, Digital Twin enables SMEs to make informed decisions, optimize performance, and drive innovation. As the technology evolves, it becomes an indispensable tool for SMEs seeking to thrive in the ever‐evolving engineering landscape. [ABSTRACT FROM AUTHOR]

The transition toward the circular economy of European small and medium‐sized enterprises (SMEs) is one of the focuses of the Agenda in Europe. The paper aims to evaluate if this drive should transform the SMEs and keep European production sustainable and competitive. The paper offers a comparative analysis of the circular economy SMEs shift within the 13 sectors of EU Member States, that have involved innovative SMEs and have begun to use or have long adopted smart technologies for the needs of control, effectiveness, efficiency, and environmental protection and energy aspect. The study highlights and evaluates the transition in 13 sectors with the highest SMEs performance with a major specialization in Smart Technologies. Five key points are identified and evaluated to analyze, the transition degree of every sector toward the circular economy. The research shows a heterogeneous transition with both sectors and countries during which the existence of best practices, are discovered, but cannot be transmitted to other sectors. A series of deterrents to the transition from a linear to a circular economy is composed within the SMEs sectors, specifically technical, commercial, and regulatory. [ABSTRACT FROM AUTHOR]