| Hong Kong Institute of Buildings Diagnostic Limited -The- | Private company limited by shares | Live |
| Hong Kong Cytology Diagnostic Institute Limited | Private company limited by shares | Live |
| Institute of Hong Kong Digital Economy Limited -The- | Private company limited by shares | Live |
| Hong Kong Institute of Digital Finance Limited | | Live |
| HONG KONG INSTITUTE OF DIRECTORS LIMITED -THE- | Company limited by guarantee | Live |
| DOCOM INSTITUTE OF TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG EAST ART INSTITUTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INSTITUTE OF E-BUSINESS LIMITED | Company limited by guarantee | Dissolved |
| HONG KONG ECOLITERACY INSTITUTE LIMITED | Company limited by guarantee | Live |
| Institute of Hong Kong Economics Education Limited | Private company limited by shares | Live |
| Hong Kong Institute Of Economics And Technology Limited | | Live |
| THE ADVENTURE EDUCATION INSTITUTE OF HONG KONG LIMITED | | Live |
| HONG KONG INSTITUTE OF ARTISTIC EDUCATION LIMITED | Private company limited by shares | Live |
| Hong Kong Education Institute Co., Limited | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF FAMILY EDUCATION LIMITED -THE- | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF FINANCIAL EDUCATION LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF HEALTH EDUCATION LIMITED | Private company limited by shares | Live |
| HONG KONG HUAXIA EDUCATION INSTITUTE LIMITED | | Live |
| Hong Kong ESG Investment and Education Institute Limited | | Live |
| Hong Kong AI Education Institute Limited | | Live |
| EDUCATION & LEARNING INSTITUTE (HONG KONG) LIMITED | Company limited by guarantee | Dissolved |
| Hong Kong Institute of Mind Education Limited | Company limited by guarantee | Live |
| Hong Kong Institute of Naturopathic Education Limited | Private company limited by shares | Live |
| HONG KONG ORIENTAL EDUCATION INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INSTITUTE OF PRESCHOOL EDUCATION LIMITED -THE- | Private company limited by shares | Live |
| Hong Kong Qi's Institute of Education Limited | Private company limited by shares | Live |
| Hong Kong Fu Bo Education Research Institute Limited | | Live |
| Hong Kong Education Research Institute Limited | | Live |
| Hong Kong EduPro Institute Limited | | Live |
| Hong Kong Institute of Solar Energy Limited | 擔保有限公司 | Live |
| HONG KONG CHINESE INSTITUTE OF ENGINEERS LIMITED | Company limited by guarantee | Live |
| HONG KONG ENGLISH INSTITUTE LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF ENVIRONMENTALISTS LIMITED -THE- | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF ENVIRONMENTALISTS LIMITED -THE- | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF CHIEF EXECUTIVES LIMITED -THE- | Company limited by guarantee | Live |
| HONG KONG PACIFIC FASHION INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG FILM INSTITUTE LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF FINANCIAL ANALYSTS LIMITED | Private company limited by shares | Live |
| HONG KONG FINANCIAL & BUSINESS INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG FINANCIAL INSTITUTE LIMITED | Private company limited by shares | Live |
| Ruiyin (Hong Kong) Financial Institute of Limited | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF FINANCIAL VALUERS LIMITED -THE- | Company limited by guarantee | Live |
| Hong Kong Fintech Institute Limited | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF FISHERY LIMITED | Company limited by guarantee | Dissolved |
| INSTITUTE OF PHYSICAL FITNESS (HONG KONG) LIMITED -THE- | Private company limited by shares | Live |
| HONG KONG FUNDUS RESEARCH INSTITUTE OF TCM LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF FUNERAL LIMITED | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF FUNERAL SERVICE LIMITED -THE- | Private company limited by shares | Live |
| HONG KONG GAEML RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF GASTROENTEROLOGY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INSTITUTE OF GASTROINTESTINAL ENDOSCOPY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Genome Institute Limited | Company limited by guarantee | Live |
| Hong Kong Institute for the Gifted & Talented Limited | Private company limited by shares | Live |
| Hong Kong Fusion Institute Global Limited | Private company limited by shares | Live |
| BDB Global Qukuailian Institute (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG GOLF INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INSTITUTE OF QI GONG LIMITED -THE- | Company limited by guarantee | Dissolved |
| GREEN INSTITUTE HONG KONG LIMITED | Private company limited by shares | Live |
| Harvard Institute of Genetics (Hong Kong) Limited | | Live |
| HONG KONG INSTITUTE OF HEALTH LIMITED | Company limited by guarantee | Live |
| Hong Kong Health Institute Limited | Company limited by guarantee | Live |
| Hong Kong Institute Of Health Limited | | Live |
| Hong Fu Shang Fu Health Managemen Institute Limited | Private company limited by shares | Live |
| HONG KONG HEMORRHOID INSTITUTE COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF HIGHER EDUCATION LIMITED | Company limited by guarantee | Dissolved |
| HONG KONG INSTITUTE OF HOUSING | Company limited by guarantee | Dissolved |
| HONG KONG INSTITUTE OF HUMANITIES CO., LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF HYDROPONICS RESEARCH LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF IMMUNOLOGY LIMITED | Private company limited by shares | Live |
| INSTITUTE OF INDUSTRIAL ENGINEERS (HONG KONG) LIMITED | Company limited by guarantee | Live |
| Hong Kong Institute of New Industrialization Limited | | Live |
| Hong Kong Innotech Institute Limited | | Live |
| Hong Kong Institute of Business Innovation Limited -The- | Company limited by guarantee | Live |
| HONG KONG INSTITUTE FOR QUALITY INNOVATION LIMITED | Private company limited by shares | Live Ceased dormancy on 02-Dec-2015 |
| INSURANCE INSTITUTE OF HONG KONG LIMITED -THE- | Company limited by guarantee | Live |
| INSTITUTE OF INTERNAL AUDITORS HONG KONG LIMITED -THE- | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF INVENTION AND INNOVATION LIMITED | Company limited by guarantee | Dissolved |
| INVESTOPEDIA INSTITUTE OF HONG KONG LIMITED -THE- | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF INVESTORS LIMITED | Company limited by guarantee | Live |
| HONG KONG JIFUTANG(GEOMANCY)RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| KENSINGTON INSTITUTE OF HONG KONG LIMITED | Private company limited by shares | Dissolved |
| HONG KONG TAI CHI INSTITUTE LIMITED -THE- | Company limited by guarantee | Dissolved |
| HONG KONG EYE INSTITUTE LIMITED | Private company limited by shares | Live |
| HONG KONG TAI CHI INSTITUTE LIMITED | Private company limited by shares | Live |
| HONG KONG MBA INSTITUTE LIMITED | Company limited by guarantee | Live |
| Hong Kong Institute of SME Limited | Private company limited by shares | Live |
| Hong Kong CBD Institute Limited | Private company limited by shares | Live |
| Eco Institute (Hong Kong) Limited | Company limited by guarantee | Live |
| Eye Institute of Hong Kong Limited | | Live |
| Institute of Web 3.0 Hong Kong Limited | | Live |
| Bosum Business Institute (Hong Kong) Limited | | Live |
| Chinese Inheritance Institute of Hong Kong Limited | | Live |
| CIVIC INSTITUTE OF HONG KONG LIMITED | Company limited by guarantee | Live |
| Hsuanhuai Institute (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Research Institute (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Frontier Design Institute (Hong Kong) Limited | | Live |
| DIGITAL INSTITUTE OF HONG KONG LIMITED | Private company limited by shares | Live |
| FINANCIAL EXECUTIVES INSTITUTE (HONG KONG) LIMITED | Company limited by guarantee | Dissolved |
| INSTITUTE OF FINANCIAL PLANNERS OF HONG KONG LIMITED -THE- | Company limited by guarantee | Live |
| HEALTH CARE INSTITUTE (HONG KONG) LIMITED | Private company limited by shares | Live |