The Butterworths Hong Kong Company Law Handbook – 21st Edition aims to deal with the intricacies of the Companies Ordinance (Cap 622) in an easily accessible form. This Handbook reproduces the text of the Ordinance as currently in force along with section by section annotations and examines significant judicial decisions and rules of court. The annotations also provide definition of words and phrases, discussions on practical aspects and contentious issues in reference to each section and other authoritative materials including cross-jurisdictional references. This edition most notably, incorporates amendments made by the Companies (Amendment) (No 2) Ordinance 2018, most of which commenced on 1 February 2019. Readers may wish to refer to the Butterworths Hong Kong Company Law (Winding-Up and Miscellaneous Provisions) Handbook – Fourth Edition which is a complementary text containing the remaining parts from the ‘old Companies Ordinance’ (Cap 32) that have not been repealed. This series has been cited with authority in over one hundred court cases in the Hong Kong Court of First Instance, Court of Appeal and Court of Final Appeal. This Handbook will be an invaluable source of information for practitioners, legal advisers, company secretaries, students and anyone interested in the laws governing companies in Hong Kong.