O2 Advisory is a boutique advisory firm with young and innovative team of good-attitude business and accounting experts passionate about developing a very can-do solutions for our clients by leveraging our expertises across variety of knowledge and skill sets.As a sister company of a long-experienced accounting and audit firm, we are proud of our strong drive to expand our services to better serve the needs of not only our existing but also potential clients in a challenging and changing business context. Therefore, we are honoured to be by your side as you realise your business aspirations and strive for improvement.