| JACO LIMITED | Private company limited by shares | Live |
| JACO ARTS LIMITED | Private company limited by shares | Dissolved |
| JACO COFFEE COMPANY LIMITED | Private company limited by shares | Dissolved |
| JACO CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| JACO CORPORATION LIMITED | Private company limited by shares | Live |
| JACO FAR EAST LIMITED | Private company limited by shares | Dissolved |
| JACO ELECTRONICS (HK) LIMITED | Private company limited by shares | Live |
| JACO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| JACO PROPERTY MANAGEMENT (ENGINEERING) LIMITED | Private company limited by shares | Dissolved |
| JACO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Jaco Global Products Limited | Private company limited by shares | Live |
| JACO GROUP LIMITED | Private company limited by shares | Live |
| JACO (HK) LIMITED | Private company limited by shares | Live |
| JACO INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| JACO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Jaco International Limited | Private company limited by shares | Live |
| JACO MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| JACO TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Jaco Trading International Company Limited | Private company limited by shares | Live |
| JACOB COMPANY LIMITED | Private company limited by shares | Dissolved |
| JACOB LIMITED | Private company limited by shares | Dissolved |
| DBM & JACOB LIMITED | Private company limited by shares | Live |
| JACOB K LIMITED | Private company limited by shares | Live |
| JACOB COMPANY HK LIMITED | Private company limited by shares | Live |
| JACOB & CO. ASIA LIMITED | Private company limited by shares | Live |
| JACOB CAPITAL LIMITED | Private company limited by shares | Live |
| JACOB CHEMICALS CO., LIMITED | Private company limited by shares | Live |
| Jacob & Co Greater China Limited | Private company limited by shares | Live |
| JACOB CO., LIMITED | Private company limited by shares | Live |
| JACOB CL ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| JACOB TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| JACOB & ALICE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Shenzhen Jacob Technology Co., Limited | Private company limited by shares | Live |
| MAX JACOB DEVELOPMENT LIMITED | Private company limited by shares | Live |
| JACOB DEVELOPMENT LIMITED | Private company limited by shares | Live |
| JACOB DEVELOPMENT GROUP CO., LIMITED | Private company limited by shares | Live |
| Jacob Enterprise Inc Limited | | Live |
| Ernst Jacob (HKG) Limited | Private company limited by shares | Live |
| JACOB FASHION LIMITED | Private company limited by shares | Live |
| JACOB AND FRIENDS ENTERPRISE LIMITED | Private company limited by shares | Live |
| GOLD JACOB LIMITED | Private company limited by shares | Dissolved |
| JACOB GROUP LIMITED | Private company limited by shares | Live |
| JACOB HEALTH CARE LIMITED | Private company limited by shares | Live |
| Looks Like Jacob (HK) Co., Limited | Private company limited by shares | Dissolved |
| Jacob & Ladder Translation Service (HK) Company Limited | Private company limited by shares | Live |
| WALTER L. JACOB & CO. (H.K.) LIMITED | Private company limited by shares | Dissolved |
| JACOB ASH HOLDING, INC LIMITED | Private company limited by shares | Live |
| JACOB HOLDINGS LIMITED | Private company limited by shares | Live |
| Good Jacob Holdings Limited | Private company limited by shares | Live |
| WALTER L. JACOB HOLDINGS CO. LIMITED | Private company limited by shares | Dissolved |
| JACOB Electronic Hong Kong Limited | Private company limited by shares | Dissolved |
| JACOB & CO. (HONG KONG) LIMITED | Private company limited by shares | Live |
| Jacob Technology Hong Kong Limited | Private company limited by shares | Dissolved |
| JACOB & HUDSON LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Jun-2016 |
| JACOB COMPANY (IMPORT EXPORT) LIMITED | Private company limited by shares | Dissolved |
| JACOB INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Jacob Industries Limited | Private company limited by shares | Live |
| JACOB HOLM INDUSTRIES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| JACOB INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| JACOB INTERNATIONAL LIMITED | Private company limited by shares | Live |
| JACOB INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| JACOB FINANCE INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| JACOB INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| JACOB JANSON (INTERNATIONAL) CO. LIMITED | Private company limited by shares | Live |
| Jacob International Trading Company Limited | Private company limited by shares | Live |
| JACOB HOLIDAY (INT'L) LIMITED | Private company limited by shares | Live |
| JACOB INVESTMENT LIMITED | Private company limited by shares | Live |
| JACOB INVESTMENTS LIMITED | Private company limited by shares | Live |
| JACOB & JOELLE LIMITED | Private company limited by shares | Live |
| JOHAN & JACOB LIMITED | Private company limited by shares | Dissolved |
| JACOB JUERGENSEN CHINA LIMITED | Private company limited by shares | Dissolved |
| LUCKY JACOB LIMITED | Private company limited by shares | Dissolved |
| JACKIE AND JACOB MANAGEMENT INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| JACOB & LEEDS MANUFACTURE LIMITED | Private company limited by shares | Live |
| MATT JACOB PHOTOGRAPHY LIMITED | Private company limited by shares | Live |
| Jacob Medical Company Limited | | Live |
| Jacob Studio of Music Limited | | Live |
| JACOB PROFIT LIMITED | Private company limited by shares | Dissolved |
| SO-IN JACOB EDUCATION CENTRE LIMITED | Private company limited by shares | Live |
| JACOB POWER SOLUTION PTE LIMITED | Private company limited by shares | Live |
| SOUTH JACOB LIMITED | Private company limited by shares | Live |
| JACOB STERN LIMITED | Private company limited by shares | Dissolved |
| Jacob & Co. Swiss Limited | | Live |
| JACOB TAYLOR HAYES PRIVATE LIMITED | Private company limited by shares | Live |
| JACOB ELECTRONIC TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| JACOB TOURS LIMITED | Private company limited by shares | Live |
| JACOB TRADE LIMITED | Private company limited by shares | Live |
| Jacob Trade Limited | | Live |
| JACOB TRADING LIMITED | Private company limited by shares | Live |
| JACOB UNIVERSE LIMITED | Private company limited by shares | Live |
| JACOB WALERY LIMITED | Private company limited by shares | Live |
| LINDETEVES JACOBERG (CHINA) LIMITED | Private company limited by shares | Live |
| Jacobi International Limited | Private company limited by shares | Live |
| Jacobi Optical Group Limited | Private company limited by shares | Live |
| Jacobi Technology Limited | Private company limited by shares | Live |
| JACOBIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| JACOBS HK LIMITED | Private company limited by shares | Live |
| Jacobs Limited | Private company limited by shares | Live |
| Jacob's Cotton Candy Limited | Private company limited by shares | Live |
| Jacobs China Limited | Private company limited by shares | Live |