Small and medium enterprises are increasingly adopting Procurement as a Service solutions to overcome procurement challenges and gain access to advanced procurement technologies and industry expertise that were previously limited to large enterprises. SMEs often face constraints such as limited procurement budgets, lack of specialized procurement professionals, and challenges in managing supplier relationships, which can impact operational efficiency and business growth. Procurement as a Service provides SMEs with cost-effective procurement solutions, allowing them to outsource procurement activities and focus on core business functions. PaaS providers offer digital procurement platforms, supplier management services, and strategic sourcing expertise that help SMEs optimize procurement operations and reduce purchasing costs. Additionally, PaaS solutions enable SMEs to access global supplier networks, improving supplier diversity and ensuring competitive pricing strategies. The scalability and flexibility offered by Procurement as a Service allow SMEs to customize procurement services based on business requirements, making it easier to manage procurement activities during business expansion or seasonal demand fluctuations. The integration of analytics and artificial intelligence in PaaS solutions is also helping SMEs improve procurement decision-making by providing insights into spending patterns, supplier performance, and procurement risks. Furthermore, outsourcing procurement activities reduces administrative workload and improves procurement efficiency, allowing SMEs to allocate resources to innovation and business development initiatives. Despite its benefits, SMEs may face challenges such as data security concerns and integration complexities with existing business systems. However, PaaS providers are offering customizable and secure procurement solutions to address these challenges. As SMEs continue to adopt digital transformation strategies, Procurement as a Service is expected to play a vital role in supporting SME growth and enabling them to compete effectively in global markets.