| EUCA Group Limited | Private company limited by shares | Live |
| EUCA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| EUCA Sanitizing Technology Company Limited | Private company limited by shares | Live |
| Eucaltek Limited | Private company limited by shares | Live |
| Eucalyptus Limited | Private company limited by shares | Live Commenced dormancy on 06-Jun-2016 |
| EUCALYPTUS COMPANY LIMITED | Private company limited by shares | Live |
| EUCALYPTUS BIO-TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| CHINESE FAST-GROWING EUCALYPTUS INDUSTRY PROMOTION CENTER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Eucalyptus globulus Limited | | Live |
| EUCALYPTUS HOUSE (HK) LIMITED | Private company limited by shares | Live |
| Hong Kong Eucalyptus Hardware Electronics Co., Limited | Private company limited by shares | Live |
| Eucalyptus Source (Hong Kong) Limited | Private company limited by shares | Live |
| EUCALYPTUS INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Qiao Eucalyptus Limited | | Live |
| EUCALYPTUS INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| EUCAN PRODUCTIONS LIMITED | | Live |
| EU-CARE LIMITED | Private company limited by shares | Dissolved |
| Eucariya Limited | Private company limited by shares | Live |
| EUCB Limited | Private company limited by shares | Live |
| EUCC INTERNATIONAL INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| EUCHAN LIMITED | Private company limited by shares | Dissolved |
| EUCHARIS INVESTMENTS LIMITED | Private company limited by shares | Live |
| EUCHARISTIC OBLATE FOR THE VULNERABLE LIMITED | Company limited by guarantee | Live |
| EUCHEAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| EUCHEAL PROPERTIES LIMITED | Private company limited by shares | Live |
| EUCHEAL TRADING LIMITED | Private company limited by shares | Dissolved |
| EUCHEM ENTERPRISE LIMITED | | Live |
| Euchemy Industry Co., Limited | Private company limited by shares | Live |
| EU-CHINA BUSINESS ENTERPRISES LIMITED | Private company limited by shares | Live |
| FAKOM EU-CHINA TECHNOLOGY TRADE CO., LIMITED | Private company limited by shares | Live |
| EU-CHINA ECONOMIC CULTURE COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| EU-CHINA FUND MANAGEMENT LIMITED | Private company limited by shares | Live |
| EU-CHINA (HK) INT'L TRADE CO., LIMITED | Private company limited by shares | Live |
| Eu-China Advanced Manufacturing Institute Limited | Private company limited by shares | Live |
| EUCHINA INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| EU-China Sci-Tech Financial Center Management Co., Limited | Private company limited by shares | Live |
| EU-CHINA INNOVATION LAB MANAGEMENT LIMITED | Private company limited by shares | Live |
| EU-CHINA NEW-ENERGY CO., LIMITED | Private company limited by shares | Live |
| EU-CHINA SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| Euchio Machinery Limited | | Live |
| EUCHIPS INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| EUCHR Holding Co., Limited | Private company limited by shares | Live |
| EUCHUCA LIMITED | Private company limited by shares | Dissolved |
| Euclase Company Limited | Private company limited by shares | Live |
| EUCLEIA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Eucleia Technology Co., Limited | Private company limited by shares | Live |
| EUCLEMAX LIMITED | Private company limited by shares | Live |
| EUCLEYS AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| EUCLEYS AND COMPANY (OPTICS) LIMITED | Private company limited by shares | Dissolved |
| EUCLID COMPANY LIMITED | Private company limited by shares | Dissolved |
| EUCLID VISION HONG KONG LIMITED | Private company limited by shares | Live |
| EUCLID TRADING LIMITED | Private company limited by shares | Dissolved |
| Euclideon China Limited | Private company limited by shares | Live |
| EUCLIDIENNES LIMITED | Private company limited by shares | Live |
| EUCLIFF LIMITED | Private company limited by shares | Dissolved |
| EUCN CTL LIMITED | Private company limited by shares | Live |
| EUCO LIMITED | Private company limited by shares | Live |
| EUCOM LIMITED | Private company limited by shares | Live |
| EUCUS EPIPHRON LIMITED | Private company limited by shares | Live |
| EUCUSTOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| EUCYN & COMPANY LIMITED | Private company limited by shares | Live |