The Institution is the body responsible for qualifying engineers in Hong Kong and is multi-disciplinary. Admission is usually into one of the twenty disciplines, which are:
An important part of the qualifying function is the accreditation of Hong Kong's engineering degrees and sub-degrees, whereby the Institution assesses such programmes to determine if they are suitable for educating professional and technician engineers. As a signatory to the Washington Accord, the HKIE has been fully verified by Australia, Canada, Ireland, New Zealand, South Africa, the United Kingdom and the United States as having a substantially equivalent system of accreditation.