Maybank Investment Banking Group | 150,732 followers on LinkedIn. ASEAN's Leading Sustainability-First Investment Bank | The Maybank Investment Banking Group of companies comprises businesses stretching around the globe with offices in Malaysia, Singapore, Thailand, Indonesia, Vietnam, the Philippines, Hong Kong, India and London. Maybank Investment Banking Group has been in Asia for more than 50 years and provides services in corporate finance, debt markets, equity capital markets, derivatives, retail and institutional securities broking and research. A leader in many of the Asian markets that it operates in, Maybank Investment Banking Group has won numerous prestigious awards in the markets that it serves.