CYLL CPA is a CPA accounting and advisory firm serving middle market enterprises and growing businesses in the Asia-Pacific region. The firm describes its work as focused on quality service delivered by licensed CPAs, with support for clients that need accounting, tax, audit, and business setup guidance.

Its services include monthly and annual accounting with a designated accounting manager, tax filing and advisory, audit and assurance engagements, incorporation support, and Hong Kong Profits Tax offshore claims and IRD inquiry representation. CYLL CPA is based in Lai Chi Kok, Kowloon, Hong Kong, and its site also references a team of accounting professionals with experience working with clients of different sizes.