| SUSTAIN 360 LIMITED | Private company limited by shares | Live |
| SUSTAIN LIMITED | | Live |
| SUSTAIN ABILITY LIMITED | Private company limited by shares | Dissolved |
| Ever Sustain Industrial Co Limited | Private company limited by shares | Live |
| Sustain Investments Limited | Private company limited by shares | Live |
| KAM WAH LONG SUSTAIN LIMITED | Private company limited by shares | Live |
| SS Sustain Solutions HK Limited | Private company limited by shares | Live |
| SUSTAINABABIES LIMITED | | Live |
| Sustainabiliti Limited | Private company limited by shares | Live |
| SUSTAINABILITY LIMITED | Private company limited by shares | Live |
| RIE Sustainability Limited | | Live |
| Allied Sustainability Consultants Limited | Private company limited by shares | Live |
| Asia Sustainability Limited | Private company limited by shares | Dissolved |
| Sustainability Professionals Association Limited | | Live |
| Center for Sustainability Limited | Private company limited by shares | Live |
| China Sustainability Collaborative Limited | Company limited by guarantee | Live |
| China Sustainability Enterprises Limited | Private company limited by shares | Dissolved |
| CHINA SUSTAINABILITY LEADERS COMPANY LIMITED | Private company limited by shares | Live |
| ESG Sustainability Advisory Consultancy Co., Limited | Private company limited by shares | Live |
| SUSTAINABILITY & CREATIVE CONSULTANCY LIMITED | Private company limited by shares | Live |
| PJ Sustainability Consulting Limited | Private company limited by shares | Live |
| ACUITY SUSTAINABILITY CONSULTING LIMITED | Private company limited by shares | Live |
| SUSTAINABILITY BUSINESS CONSULTING LIMITED | Private company limited by shares | Live |
| GLOBAL SUSTAINABILITY FOUNDATION CONSULTING LIMITED | Private company limited by shares | Live |
| MAKER SUSTAINABILITY CONSULTING LIMITED | | Live |
| Corporate Sustainability International Limited | Private company limited by shares | Live |
| Sustainability Extension Limited | Private company limited by shares | Live |
| JCG Sustainability Foundation Limited | Company limited by guarantee | Live |
| Gaia Sustainability Limited | | Live |
| Green Sustainability And Environmental Company Limited | | Live |
| SUSTAINABILITY CAPITAL GROUP CO., LIMITED | Private company limited by shares | Live |
| STUDIO OF SUSTAINABILITY & HEALTH LIMITED | Private company limited by shares | Live |
| HICA Sustainability Limited | Private company limited by shares | Live Commenced dormancy on 02-May-2018 |
| Visionwide Sustainability (HK) Limited | | Live |
| Re-Pal Sustainability Hong Kong Limited | Private company limited by shares | Live |
| Hong Kong Sustainability Strategic Advisory Limited | Private company limited by shares | Live |
| Xarbon Sustainability (Hong Kong) Limited | Private company limited by shares | Live |
| ONE HUNDRED PERCENT SUSTAINABILITY LIMITED | Private company limited by shares | Live |
| Sustainability Investment Asia Limited | Private company limited by shares | Live |
| ASIA SUSTAINABILITY INVESTMENT LIMITED | | Live |
| LEADERSHIP AND SUSTAINABILITY LIMITED | | Live |
| LEAF Sustainability Limited | Private company limited by shares | Live |
| Life Investment Sustainability Association Limited | Company limited by guarantee | Live |
| Mawaru Sustainability Limited | Private company limited by shares | Live |
| OPEN SUSTAINABILITY LIMITED | Private company limited by shares | Live |
| Sustainability Orientation Service Limited | Private company limited by shares | Live |
| SUSTAINABILITY PARTNERS LIMITED | Private company limited by shares | Live |
| Sustainability Partners Limited | Private company limited by shares | Live |
| PATERSON SUSTAINABILITY LIMITED | Private company limited by shares | Live |
| Princeville Climate Sustainability Rating Investments Limited | | Live |
| PURE SUSTAINABILITY LIMITED | Private company limited by shares | Live |
| REGTITUDE SUSTAINABILITY LIMITED | | Live |
| SUSTAINABILITY RESOURCES LIMITED | Private company limited by shares | Live |
| SME Sustainability Society Limited | Company limited by guarantee | Live |
| Synergetic Sustainability Design Studio Limited | Private company limited by shares | Live |
| TransGlobal Sustainability Technologies Limited | Private company limited by shares | Live |
| Excel Sustainability Management & Technology Co., Limited | Private company limited by shares | Live |
| TIKOO SUSTAINABILITY LIMITED | | Live |
| Sustainability Training Network Limited -The- | Private company limited by shares | Live |
| WiseTal Sustainability Solutions Limited | Private company limited by shares | Live |
| Worldlink Sustainability Consultant Limited | Private company limited by shares | Live |
| Xarbon Sustainability Limited | Private company limited by shares | Live |
| GO SAN SUSTAINABLE LIMITED | Private company limited by shares | Dissolved |
| SUSTAINABLE LIMITED -THE- | Private company limited by shares | Live |
| Sustainable Lab HK Limited | | Live |
| CENTER FOR SUSTAINABLE TECHNOLOGIES ACCESS LIMITED | | Live |
| Sustainable Business Advisory Limited | | Live |
| Sustainable Agricultural Forestry for the Environment Foundation Limited | Company limited by guarantee | Dissolved |
| SUSTAINABLE AGROTECH ASSOCIATION LIMITED | Company limited by guarantee | Live |
| Allied Sustainable and Recycling Resources Limited | Private company limited by shares | Live |
| Sustainable Fashion Apparel Association Limited | | Live |
| X6. SUSTAINABLE ARCHITECTURE-DESIGN AND RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Sustainable Asia Limited | Company limited by guarantee | Live |
| BAMBUSPACE SUSTAINABLE DESIGN LIMITED | Private company limited by shares | Live |
| SUSTAINABLE BEAUTY LIMITED | | Live |
| Sustainable Bio-tech (International) Holding Limited | Private company limited by shares | Live |
| SUSTAINABLE ENTERPRISE SOLUTION INSURANCE BROKER LIMITED | | Live |
| S&B SUSTAINABLE BUILDING TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Sustainable Buildings Collaborative Limited | Private company limited by shares | Live |
| SUSTAINABLE FOREST CARBON LIMITED | Private company limited by shares | Live |
| Cartica Sustainable Solutions Limited | Private company limited by shares | Live |
| CATHOLIC SUSTAINABLE GARDEN OF JOY LIMITED | Company limited by guarantee | Live |
| OFFICE FOR SUSTAINABLE ARCHITECTURE CHINA LIMITED | Private company limited by shares | Dissolved |
| CHINA-MALAYSIA SUSTAINABLE DEVELOPMENT BOARD LIMITED | | Live |
| Sustainable City and Smart Ageing Association Limited | | Live |
| CHINA CITY SUSTAINABLE DEVELOPMENT INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG KONG SUSTAINABLE COMMUNICATIONS ASSOCIATION LIMITED -THE- | Company limited by guarantee | Dissolved |
| SUSTAINABLE CONSTRUCTION LIMITED | Private company limited by shares | Live |
| Sustainable Consultants Limited | Private company limited by shares | Live |
| Power Sustainable China Corporation Limited | Private company limited by shares | Live |
| Culture & Art Sustainable Development Association Limited | Company limited by guarantee | Live |
| SUSTAINABLE DESIGN LIMITED | | Live |
| SUSTAINABLE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Sustainable Aquaculture Development and Research Limited | Company limited by guarantee | Live |
| SUSTAINABLE DEVELOPMENT CAPITAL (ASIA) LIMITED | Private company limited by shares | Live |
| ASIAN CENTRE FOR SUSTAINABLE DEVELOPMENT LIMITED -THE- | Company limited by guarantee | Live |
| AVIDITE SUSTAINABLE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Sustainable Business Development Company Limited | Private company limited by shares | Live |
| ASIA SUSTAINABLE DEVELOPMENT RESEARCH CENTRE LIMITED | Private company limited by shares | Live |
| China Sustainable Development Association Limited | Private company limited by shares | Dissolved |