The MRO (Maintenance, Repair, and Overhaul) shared services Market has seen strongly developed in Southeast Asia. MRO shared services will give airline operators broader opportunities to optimize their spare part procurement, reducing maintenance costs for their engines, components or maximizing the availability of their fleets. Understanding the MRO shared services mechanism in the Southeast Asian countries, with repair workshops and maintenance centers in the region’s main hubs, the MRO can create synergies and enhance performance in a matter of hours. Through the shared services, the MRO purchasing process can drive valuable cost savings and efficiency gains for airlines. The results indicate that the MRO shared services market in Southeast Asia experiences significant growth due to several factors, including the increasing air traffic in the region, the growing fleet size of airlines, the need for regular maintenance and repairs to ensure the safe and efficient operation of aircraft, leading to future trends of Expansion of MRO Facilities, Investment in Technology, Partnerships and Acquisitions, Focus on Sustainability, and Training and Skills Development and five potential measures should be adapted to five key trends, which are Investing in Skills Development, Embracing Digitalization, Enhancing Customer Relationships, Exploring Partnerships and Collaborations, and Sustainable Initiatives.