| ARAVENCO LIMITED | Private company limited by shares | Live |
| ARAVINDA LIMITED | Private company limited by shares | Dissolved |
| Araviso Trade Limited | Private company limited by shares | Live |
| ARAVIS-PACIFIC LIMITED | Private company limited by shares | Dissolved |
| ARAWA LIMITED | Private company limited by shares | Dissolved |
| ARAWELL LIMITED | Private company limited by shares | Live |
| ARAX LIMITED | Private company limited by shares | Live |
| ARAX ASIA CO., LIMITED | Private company limited by shares | Live |
| ARAXEL LIMITED | Private company limited by shares | Dissolved |
| ARAY JET LIMITED | Private company limited by shares | Live |
| ARAY CAPITAL LIMITED | Private company limited by shares | Live |
| ARAYA SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Araya Holding Limited | Private company limited by shares | Live |
| ARAYTRON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ARAZ ALBORZ CO., LIMITED | Private company limited by shares | Live |
| ARAZ TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| ARAZ TRADE LIMITED | Private company limited by shares | Dissolved |
| ARBAB MEDIA COMPANY LIMITED | | Live |
| ARBALEST SOLUTIONS LIMITED | Private company limited by shares | Live |
| ARBALETTE LIMITED | Private company limited by shares | Dissolved |
| ARBC COMPANY LIMITED | Private company limited by shares | Live |
| ARBEAU FASHION LIMITED | Private company limited by shares | Live |
| ARBEE-CO PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| ArBei Limited | | Live |
| Arbeiten Consulting Limited | Private company limited by shares | Live |
| FREE ARBEITER LIMITED | Private company limited by shares | Live |
| ARBEITSSCHUTZ INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| ARBELE LIMITED | Private company limited by shares | Live |
| Arbele Biotherapeutics Limited | | Live |
| Arbele (HK) Limited | Private company limited by shares | Live |
| ARBELLA 925 LIMITED | Private company limited by shares | Live |
| NEIDHART & ARBENZ LIMITED | Private company limited by shares | Dissolved |
| ARBEST DISPLAY SOLUTION CO., LIMITED | Private company limited by shares | Live |
| Arbibyte Limited | Private company limited by shares | Live |
| Arbicap Limited | Private company limited by shares | Live |
| ARBICOM TRADING LIMITED | Private company limited by shares | Live |
| Arbifund Limited | Private company limited by shares | Live |
| ARBIL LIMITED | Private company limited by shares | Live |
| ARBIN LIMITED | Private company limited by shares | Dissolved |
| ArBinance Limited | Private company limited by shares | Live |
| Arbinet-thexchange HK Limited | Private company limited by shares | Dissolved |
| ARBING SECURITY TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| ARBINTECH LIMITED | Private company limited by shares | Live |
| BW ArbIntl Limited | Private company limited by shares | Live |
| ARBION LIMITED | Private company limited by shares | Dissolved |
| Arbis Holding Limited | Private company limited by shares | Live |
| Arbitai Limited | Private company limited by shares | Live |
| ARBITER ASIA LIMITED | Private company limited by shares | Dissolved |
| ARBITRAGE LIMITED | Private company limited by shares | Dissolved |
| Arbitrage Limited | Private company limited by shares | Live |
| BITCOIN ARBITRAGE LIMITED | Private company limited by shares | Live |
| CRYPTO ARBITRAGE OWL LIMITED | | Live |
| ARBITRAGE FINANCE LIMITED | Private company limited by shares | Dissolved |
| ARBITRAGE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| EURO ASIA ARBITRAGE INVESTMENT LIMITED | Private company limited by shares | Live |
| SHK ARBITRAGE OPPORTUNITIES LIMITED | Private company limited by shares | Live |
| TRIMARKET ARBITRAGE LIMITED | Private company limited by shares | Dissolved |
| ARBITRAGEUR LIMITED | Private company limited by shares | Dissolved |
| Arbitratio & Concilium Limited | Private company limited by shares | Live |
| Tao Arbitration, Limited | Private company limited by shares | Live |
| CHINA ARBITRATION AGENCY LIMITED | Private company limited by shares | Dissolved |
| AIDA Reinsurance and Insurance Arbitration Association Asia Limited | Company limited by guarantee | Live |
| Arthur Andersen International Tax Planning & Arbitration Co., Limited | Private company limited by shares | Live |
| ARBITRATION ASIA LIMITED | Private company limited by shares | Live |
| Asia-Africa Arbitration Center Limited | Private company limited by shares | Live |
| ASIA ARBITRATION ASSOCIATION LIMITED | Private company limited by shares | Live |
| HK ARBITRATION CHARITY BALL LIMITED | Company limited by guarantee | Live |
| SCIA Greater Bay Area Arbitration Center (HK) Limited | Company limited by guarantee | Live |
| Greater Bay Area Trade and Arbitration Service Center Limited | Private company limited by shares | Live |
| ONE BELT ONE ROAD ARBITRATION CENTRE COMPANY LIMITED | | Live |
| HONG KONG CONSTRUCTION ARBITRATION CHAMBER, LIMITED | Private company limited by shares | Dissolved |
| ARBITRATION CHAMBERS LIMITED | Private company limited by shares | Live |
| Acacia Arbitration Chambers Pte. Limited | Private company limited by shares | Live |
| China Arbitration Service Limited | | Live |
| Web Claims Refunds and Arbitration Service Limited | Private company limited by shares | Live |
| Lee & Associates Construction Arbitration Consultants Limited | Private company limited by shares | Dissolved |
| ARBITRATION STRATEGY (HK) LIMITED | Private company limited by shares | Live |
| Guangdong, Hong Kong & Macau Arbitration & Mediation Alliance Limited | Company limited by guarantee | Live |
| China Maritime Arbitration Commission Hong Kong Arbitration Center | Company limited by guarantee | Live |
| Asia Pacific International Arbitration Chamber Hong Kong Arbitration Center Limited | | Live |
| Shanghai International Arbitration (Hong Kong) Center Limited | | Live |
| CHINA INTERNATIONAL ECONOMIC AND TRADE ARBITRATION COMMISSION HONG KONG ARBITRATION CENTER | Company limited by guarantee | Live |
| HONG KONG BRILLIANT MEDIATION & ARBITRATION CENTRE LIMITED | Private company limited by shares | Live |
| Hong Kong Central Arbitration Centre Limited | Private company limited by shares | Live |
| HONG KONG CENTRE OF INTERNATIONAL COMMERCIAL ARBITRATION LIMITED | Private company limited by shares | Live |
| Hong Kong Arbitration Centre Limited | Private company limited by shares | Live |
| MARITIME AND COMMERCIAL LAW AND ARBITRATION ASSOCIATION OF HONG KONG | Company limited by guarantee | Dissolved |
| HONG KONG CONSTRUCTION ARBITRATION CENTRE, LIMITED | Company limited by guarantee | Live |
| Guangdong Hong Kong Macau Greater Bay Area Mediation and Arbitration Centre Limited | | Live |
| ARBITRATION (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hong Kong Mediation and Arbitration Centre Limited | Private company limited by shares | Live |
| Asia Pacific International Arbitration Chamber (Hong Kong) Limited | | Live |
| Hong Kong Meilin Arbitration & Consultation Service Limited | Private company limited by shares | Live |
| INTERNATIONAL ARBITRATION CLOUD CHAIN ASSOCIATION LIMITED | | Live |
| CAA International Arbitration Centre Limited | Company limited by guarantee | Live |
| INTERNATIONAL ARBITRATION CHAMBERS LIMITED | | Live |
| China International Arbitration Institute Limited | Company limited by guarantee | Live |
| CHINA INTERNATIONAL ARBITRATION CLUB LIMITED | Company limited by guarantee | Dissolved |
| Greater Bay Area International Arbitration Chambers Limited | | Live |
| HONG KONG INTERNATIONAL ARBITRATION CENTRE | Company limited by guarantee | Live |