| INTERNATIONAL GEMOLOGICAL INSTITUTE (HK) LIMITED | Private company limited by shares | Live |
| HK GIANT INTERNATIONAL BUSINESS INSTITUTE LIMITED | Private company limited by shares | Live |
| GLOBAL INTERNATIONAL YOGA INSTITUTE LIMITED | Private company limited by shares | Live |
| Global International Capital Yuzhongchou Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL GOLDEN KEY INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL GONGFU TEA CULTURAL INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| GOOD HABITS INTERNATIONAL RESEARCH INSTITUTE LIMITED | Company limited by guarantee | Live |
| INTERNATIONAL GROUP FITNESS INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Zheng Guanying International Research Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL HANYU RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Harris International Institute Company Limited | Private company limited by shares | Live |
| HK CM INTERNATIONAL HEALTH INSTITUTE LIMITED | | Live |
| JBK Health Care International Institute Limited | Private company limited by shares | Live |
| China International Health Research Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL HEALTH INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF NUTRITION AND HEALTH (H.K.) LIMITED | Private company limited by shares | Dissolved |
| 3 in 1 Honors International Health Research Institute Limited | Private company limited by shares | Live |
| HK INTERNATIONAL ORGANIC HEALTH INSTITUTE LIMITED | Private company limited by shares | Live |
| International Health and Sleep Research Institute Company Limited | Private company limited by shares | Live |
| International Health and Wellness Institute Limited | | Live |
| International Healthcare Institute Limited | Private company limited by shares | Live |
| Tao Heung International Culinary Institute Limited | Private company limited by shares | Live |
| Zhutong International Hirudo & Lumbricus Institute Co. Limited | Private company limited by shares | Live |
| INTERNATIONAL SPINAL INSTITUTE (HK) LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL INSTITUTE OF YOGIC SCIENCE (HK) LIMITED | Private company limited by shares | Live |
| INTERNATIONAL HOCKEY INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| International Research Institute For Holistic Education Company Limited -The- | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE FOR SELF-HELP HOLISTIC THERAPIES LIMITED | Private company limited by shares | Live |
| Hollywood International Film Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL HONESTY INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Institute of International Tax Advisers Limited -The- | Company limited by guarantee | Live |
| HONG KONG INTERNATIONAL CREATIVE INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG DESIGN INSTITUTE (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INTERNATIONAL ECONOMIC INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INTERNATIONAL ETIQUETTE INSTITUTE DE LIMITED | Private company limited by shares | Live |
| HONG KONG INTERNATIONAL EXCHANGE INSTITUTE LIMITED | | Live |
| Hong Kong International Film Art Institute Company Limited | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL LAW INSTITUTE (HONG KONG) LIMITED | Company limited by guarantee | Dissolved |
| Hong Kong FAC International Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hong Kong International Institute of ESG Limited | | Live |
| INTERNATIONAL BOND INSTITUTE COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| International Institute for Learning (Hong Kong) Limited | Private company limited by shares | Live |
| Hong Kong International Monetary Institute Limited | Private company limited by shares | Live |
| HONG KONG INTERNATIONAL INSTITUTE OF MUSIC | Company limited by guarantee | Live |
| Hong Kong Sports International Institute Limited | | Live |
| HONG KONG INTERNATIONAL TCM TALENTS INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INTERNATIONAL TATTOO ART INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INTERNATIONAL VENATION INSTITUTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG LUO HONG YING INTERNATIONAL INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INTERNATIONAL YOGA INSTITUTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL (HPV) INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL HUAXIA AGED TEA CULTURE INSTITUTE LIMITED | Private company limited by shares | Live |
| HK Huaxia International Anticancer Research Institute Limited | | Live |
| Huaxia International Art & Culture Institute Limited | Private company limited by shares | Dissolved |
| International Sunny Image Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL IMPEX INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL INSTITUTE OF INDUSTRIAL COOKING TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL INSTITUTE OF INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Health & Beauty Industry International Institute Limited | | Live |
| RESEARCH INSTITUTE OF INTERNATIONAL INFORMATION STRATEGIES LIMITED -THE- | Private company limited by shares | Live |
| INTERNATIONAL INNOVATION INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INSURANCE INSTITUTE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| INTAI INTERNATIONAL BIOTECHNOLOGY INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| INSTITUTE OF INTERNATIONAL INTERNSHIP LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL INSTITUTE OF INVENTION AND INNOVATION LIMITED | Company limited by guarantee | Dissolved |
| CHINESE INTERNATIONAL INVESTMENT INSTITUTE LIMITED | Private company limited by shares | Live Commenced dormancy on 04-Mar-2003 |
| INTERNATIONAL INSTITUTE OF INVITATIONAL EDUCATION LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF JAPAN LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL JINGJIN MEDICAL INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF PROFESSIONALISM IN WINE JUDGING LIMITED | Private company limited by shares | Live |
| First Lady International Institute Limited | Private company limited by shares | Live |
| International Laozi Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF LASER COSMETIC LIMITED | Company limited by guarantee | Dissolved |
| INTERNATIONAL INSTITUTE OF LEADERSHIP AND ETIQUETTE (HK) LIMITED | Private company limited by shares | Dissolved |
| BRITISH INTERNATIONAL INSTITUTE OF LEARNING LIMITED | Private company limited by shares | Live |
| Lee's Iching International Research Institute Limited | Private company limited by shares | Live |
| LEGEND INTERNATIONAL INSTITUTE LIMITED | Private company limited by shares | Live |
| LiangNong International (HK) Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF LIFE EDUCATION LIMITED | Company limited by guarantee | Live |
| INTERNATIONAL HUMAN LIFE SCIENCES INSTITUTE LIMITED | Private company limited by shares | Live |
| International Institute of Life Regenerative Medicine Limited | | Live |
| INTERNATIONAL LIFE RELATION INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL LIFE-FORCE QI GONG INSTITUTE LIMITED | Company limited by guarantee | Dissolved |
| INTERNATIONAL INSTITUTE OF SEMI PERMANENT MAKE UP LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF MANAGEMENT LIMITED -THE- | Company limited by guarantee | Live |
| INTERNATIONAL MANAGEMENT INSTITUTE LIMITED | Private company limited by shares | Live |
| HK ZZ INTERNATIONAL MANAGEMENT INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF ADVANCED MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL BUSINESS MANAGEMENT INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL PROFESSIONAL CERTIFICATE MANAGEMENT INSTITUTE LIMITED | Private company limited by shares | Live |
| China Institute of Strategy & Management (International) Limited | Private company limited by shares | Live |
| INTERNATIONAL ALPHA MANAGEMENT INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF VALUE MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| INSTITUTE OF CORPORATE MANAGEMENT (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| INSTITUTE FOR INTERNATIONAL MANAGEMENT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| International Elite Management Institute Limited | Private company limited by shares | Live |
| CHINESE INTERNATIONAL FINANCIAL MANAGEMENT INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| International Institute of Financial Risk Management Limited | Private company limited by shares | Live |