| I-SKY LIMITED | Private company limited by shares | Live |
| I-SKY ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| I-Sky Furniture Limited | Private company limited by shares | Live |
| I-Sky PNG Investments Limited | Private company limited by shares | Live |
| I-Sky Properties Limited | Private company limited by shares | Live |
| iSky Research Limited | Private company limited by shares | Live |
| Iskycorp Limited | | Live |
| iSkyOne Trading Limited | Private company limited by shares | Live |
| I-SKYTECH INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| iSkytouch HK Limited | Private company limited by shares | Live |
| I.S.L. Limited | | Live |
| Isla Limited | Private company limited by shares | Live |
| Isla Alianza Limited | Private company limited by shares | Live |
| ISLA BEAUTY LIMITED | Private company limited by shares | Live |
| Isla & Caraibica Company Limited | Private company limited by shares | Live |
| iLab isla Limited | | Live |
| Isla International Limited | Private company limited by shares | Live |
| ISLA INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ISLA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Isla Trading Co., Limited | Private company limited by shares | Live |
| ISLAHOLA LIMITED | | Live |
| Islamia Education Limited | | Live |
| Muhammadia Ghosia Islamic Association Limited | Company limited by guarantee | Live |
| Islamic Cultural Association (Hong Kong) Limited | Company limited by guarantee | Live |
| ISLAMIC EDUCATION AND CARE LIMITED | Company limited by guarantee | Live |
| YEO&PAN ISLAMIC FOODS CO., LIMITED | Private company limited by shares | Live |
| GLOBAL ISLAMIC PILGRIMS BOARD LIMITED | Private company limited by shares | Dissolved |
| HONG KONG CHINESE ISLAMIC FEDERATION LIMITED -THE- | Company limited by guarantee | Live |
| ISLAMIC ACADEMY HONG KONG LIMITED | Company limited by guarantee | Live |
| HK ISLAMIC INDEX LIMITED | Private company limited by shares | Dissolved |
| ORIAM ISLAMIC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Khatme-Nubuwwat Islamic Council Limited | Company limited by guarantee | Live |
| ISLAMIC SOURCING LIMITED | Private company limited by shares | Dissolved |
| Takreem Islamic Association Limited | | Live |
| ISLAMIC TREASURES LIMITED | Private company limited by shares | Dissolved |
| ISLAND TOY LIMITED | Private company limited by shares | Dissolved |
| SUN ISLAND, LIMITED | Private company limited by shares | Dissolved |
| ISLAND GYM COMPANY LIMITED | Private company limited by shares | Live |
| SUN ISLAND LIMITED | Private company limited by shares | Dissolved |
| INN ISLAND LIMITED | Private company limited by shares | Dissolved |
| TOP ISLAND LIMITED | Private company limited by shares | Dissolved |
| ISLAND SUN LIMITED | Private company limited by shares | Dissolved |
| ISLAND LIMITED | Private company limited by shares | Dissolved |
| SKY ISLAND LIMITED | Private company limited by shares | Dissolved |
| NEW ISLAND LIMITED | Private company limited by shares | Dissolved |
| BIG ISLAND LIMITED | Private company limited by shares | Dissolved |
| ALL ISLAND LIMITED | Private company limited by shares | Live |
| E ISLAND LIMITED | Private company limited by shares | Dissolved |
| ISLAND LIMITED | Private company limited by shares | Dissolved |
| BIG ISLAND LIMITED | Private company limited by shares | Live |
| NEW ISLAND LIMITED | Private company limited by shares | Live |
| SUN ISLAND LIMITED | Private company limited by shares | Dissolved |
| ISLAND LIMITED | Private company limited by shares | Dissolved |
| NEW ISLAND INC LIMITED | Private company limited by shares | Live |
| ISLAND SKY LIMITED | Private company limited by shares | Live |
| TOP ISLAND LIMITED | Private company limited by shares | Live |
| SUN ISLAND LIMITED | Private company limited by shares | Live |
| ISLAND SPA COMPANY LIMITED | Private company limited by shares | Live |
| ACE ISLAND LIMITED | Private company limited by shares | Live |
| ISLAND INN LIMITED | Private company limited by shares | Live |
| CC Island Limited | Private company limited by shares | Live |
| ISLAND LIMITED | Private company limited by shares | Live |
| ECO ISLAND LIMITED | Private company limited by shares | Live |
| NEW HK ISLAND ONE LIMITED | Private company limited by shares | Live |
| NEW HK ISLAND TWO LIMITED | Private company limited by shares | Live |
| RUI ISLAND LIMITED | Private company limited by shares | Live |
| SUN ISLAND COMPANY LIMITED | Private company limited by shares | Live |
| Tea Island Limited | Private company limited by shares | Live |
| HOI NAN ISLAND LIMITED | Private company limited by shares | Live |
| Cat Island Limited | Private company limited by shares | Live |
| YS ISLAND LIMITED | Private company limited by shares | Live |
| Kat O Island Limited | Private company limited by shares | Live |
| Island Go Limited | Company limited by guarantee | Live |
| Toy Island Limited | Private company limited by shares | Live |
| Far Island Limited | | Live |
| CCW Island Company Limited | | Live |
| SEA ISLAND LIMITED | | Live |
| G ISLAND CO. LIMITED | | Live |
| We Island Limited | | Live |
| ABLE ISLAND LIMITED | Private company limited by shares | Live |
| Absence from Island Limited | Private company limited by shares | Live |
| ADMIRALTY ISLAND COMPANY LIMITED | Private company limited by shares | Dissolved |
| CRUISE & ISLAND ADVENTURE LIMITED | Private company limited by shares | Dissolved |
| Lantau Island Adventures Limited | Private company limited by shares | Live |
| NEW ISLAND ADVERTISING LIMITED | Private company limited by shares | Live |
| AFFLUENT ISLAND LIMITED | Private company limited by shares | Live |
| NOVA ISLAND SHIPPING AGENCY CO., LIMITED | Private company limited by shares | Dissolved |
| Island West Estate Agency Limited | Private company limited by shares | Dissolved |
| GREEN ISLAND SHIPPING AGENCY LIMITED | Private company limited by shares | Live |
| Harbour Island Realty Agency Limited | Private company limited by shares | Live |
| ISLAND INVESTMENT AND AGENCY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| PARK ISLAND AGENCY LIMITED | Private company limited by shares | Live |
| PARK ISLAND ESTATE AGENCY LIMITED | Private company limited by shares | Dissolved |
| Albatross Island Limited | Private company limited by shares | Live |
| Alimente Island Limited | Private company limited by shares | Live |
| ANGEL ISLAND LIMITED | Private company limited by shares | Dissolved |
| Angel Island Company Limited | Private company limited by shares | Live |
| ISLAND COASTLINE SERVICED APARTMENTS LIMITED | Private company limited by shares | Dissolved |
| JAM ISLAND EDUCATION & ARTS TECHNOLOGY LIMITED | | Live |
| Arts Island International Investment Group Limited | Private company limited by shares | Live |