Featuring the buildings of local heritage architecture, Alex Leong uses delicate colours and brushstrokes that bring a unique cham to his paintings. With many solo exhibitions along his journey as an artist, Alex Leong has been actively participating in group exhibitions locally and abroad, e.g. Singapore, China, Indonesia, and Korea. His solo exhibitions include Celebrations & Nostalgic Moments, The Art Gallery Penang (2020), Magic Moments, Jada Art Gallery, ION Art Gallery, Singapore (2018). His latest solo (7th solo) titled Watercolour On Canvas was organised by The Art Gallery Penang in November 2022. His watercolour compositions of famous street scenes in Malaysia are well sought after by collectors.