A&O Shearman
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A&O Shearman leverages its Singapore office to service a strong pipeline of Malaysia-related work, with a dedicated team that is active across corporate and M&A, capital markets, banking and finance, project development and disputes. The practice is noted for its experience across a broad range of sectors, including TMT, energy, insurance, healthcare and financial services. James Mythen oversees the running of the team and is experienced in M&A, private equity and joint venture transactions across the ASEAN region. Aloysius Tan is the go-to advisor for finance and capital markets transactions, seeing him typically focused on the debt and equity capital markets across ASEAN. Appointed to King's Counsel in March 2025, Sheila Ahuja KC is the resident disputes expert.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The team in AOS is a pleasure to work with. The team is collaborative, commercially minded, and respectful of local counsel contributions, making cross-border matters run efficiently and smoothly.’
- 'Aloysius Tan is a market leader in the DCM space. Very knowledgeable and commercial.'
Key clients
- edotco IHH Healthcare Sime Darby Property Berhad AirAsia Yinson Production Offshore Pte Ltd DBS Bank Ltd MISC Berhad Axiata IFC Edra Power Holdings Sdn Bhd Maybank Investment Bank Tenaga Nasional Berhad CIMB Investment Bank Bumi Armada Berhad
Work highlights
Advised Sime Darby Property Berhad on two separate back-to-back transactions with Google LLC to build and lease Google’s first hyperscale data center in Malaysia.


