| Circle Management Company Limited | Private company limited by shares | Live |
| Business Circle Management Limited | Private company limited by shares | Live |
| CIRCLE CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Live |
| CIRCLE SHIPPING & MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Pro Circle Event Management Limited | Private company limited by shares | Live |
| CIRCLE GROUP MANAGEMENT LIMITED | Private company limited by shares | Live |
| SIX CIRCLE MANUFACTURING LIMITED | Private company limited by shares | Live |
| CIRCLE MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| Circle Art Manufacturing Limited | Private company limited by shares | Live |
| GULF CIRCLE MARINE LIMITED | Private company limited by shares | Live |
| Circle Market Co. Limited | | Live |
| CIRCLE MASTER LIMITED | Private company limited by shares | Dissolved |
| MAXI CIRCLE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Men's Circle Limited | Company limited by guarantee | Live |
| MERRY CIRCLE LIMITED | Private company limited by shares | Dissolved |
| CIRCLE MICROELECTRONICS LIMITED | Private company limited by shares | Live |
| MILLION CIRCLE LIMITED | Private company limited by shares | Dissolved |
| Circle Minds Limited | Private company limited by shares | Live |
| MODE CIRCLE LIMITED | Private company limited by shares | Live Commenced dormancy on 02-Mar-1996 |
| CIRCLE 5 TOOL & MOLD ASIA LIMITED | Private company limited by shares | Live |
| CIRCLE MOMENTUM LIMITED | Private company limited by shares | Live |
| MOVING CIRCLE LIMITED | Private company limited by shares | Live |
| Circle Multimedia Limited | | Live |
| Music Circle Company Limited | Private company limited by shares | Live |
| Circle Networks Limited | Private company limited by shares | Dissolved |
| ORIENT CIRCLE LIMITED | Private company limited by shares | Dissolved |
| ORIENT CIRCLE LIMITED | Private company limited by shares | Live |
| ORIGINAL CIRCLE LIMITED | Private company limited by shares | Dissolved |
| Pacific Circle Limited | Private company limited by shares | Live |
| SOUTH PACIFIC CIRCLE LIMITED | Private company limited by shares | Dissolved |
| Passport Circle Limited | Private company limited by shares | Live |
| Peace Circle Limited | Private company limited by shares | Live |
| PETS' CIRCLE LIMITED | Private company limited by shares | Dissolved |
| CIRCLE PLUS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Circle & Point Co. Limited | Private company limited by shares | Live |
| CIRCLE PRECISION LIMITED | Private company limited by shares | Live |
| PRINTERS' CIRCLE LIMITED | Private company limited by shares | Live |
| CIRCLE PRODUCT LIMITED | Private company limited by shares | Dissolved |
| Circle Entertainment and Production Limited | Private company limited by shares | Live |
| FORTUNE CIRCLE PRODUCTION CO. LIMITED | Private company limited by shares | Dissolved |
| Round Circle Production Limited | Private company limited by shares | Live |
| CIRCLE PROFITS LIMITED | Private company limited by shares | Dissolved |
| CIRCLE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| CIRCLE K PRC PROPERTIES LIMITED | Private company limited by shares | Live |
| RICH CIRCLE PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Live |
| CIRCLE PROPERTY AGENCY LIMITED | Private company limited by shares | Dissolved |
| CIRCLE 8 CATTLE CO. PTY. LIMITED | Private company limited by shares | Dissolved |
| QUANT CIRCLE LIMITED | | Live |
| Regis Circle Company Limited | Private company limited by shares | Live |
| RESOTEC INVESTMENT CIRCLE LIMITED | Private company limited by shares | Live |
| CIRCLE RESTAURANT LIMITED | Private company limited by shares | Live |
| RICH CIRCLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CIRCLE RICH LIMITED | Private company limited by shares | Dissolved |
| RICH CIRCLE LIMITED | Private company limited by shares | Dissolved |
| RICH CIRCLE LIMITED | Private company limited by shares | Live |
| CIRCLE RICH LIMITED | Private company limited by shares | Live |
| RIGHT CIRCLE LIMITED | Private company limited by shares | Live |
| RISING CIRCLE LIMITED | Private company limited by shares | Live |
| CIRCLE ROUND LIMITED | Private company limited by shares | Dissolved |
| ROYAL CIRCLE LIMITED | Private company limited by shares | Live |
| SAFE CIRCLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SALES CIRCLE LIMITED | Private company limited by shares | Live |
| CIRCLE SHOES COMPANY LIMITED | Private company limited by shares | Live |
| KOWLOON CIRCLE EXHIBITION & SHOPPING CENTRE LIMITED | Private company limited by shares | Dissolved |
| SILVER CIRCLE LIMITED | Private company limited by shares | Dissolved |
| SILVER CIRCLE LIMITED | Private company limited by shares | Dissolved |
| SILVER CIRCLE LIMITED | Private company limited by shares | Dissolved |
| CIRCLE SKATER LIMITED | Private company limited by shares | Dissolved |
| SKYLAND CIRCLE LIMITED | Private company limited by shares | Dissolved |
| SKYLAND CIRCLE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMART CIRCLE LIMITED | Private company limited by shares | Dissolved |
| SMART CIRCLE LIMITED | Private company limited by shares | Live |
| SMART CIRCLE LIMITED | Private company limited by shares | Live |
| SMART CIRCLE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Smoove Circle Limited | Private company limited by shares | Live |
| CIRCLE SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| CIRCLE SOLUTION LIMITED | Private company limited by shares | Live |
| CIRCLE CREATIVE SOLUTION LIMITED | Private company limited by shares | Live |
| Circle Digital Solution Limited | Private company limited by shares | Live |
| SOON CIRCLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Circle Sport Company Limited | Private company limited by shares | Live |
| CIRCLE AND SQUARE LIMITED | Private company limited by shares | Live |
| SQUARE CIRCLE LIMITED | Private company limited by shares | Dissolved |
| CIRCLE SQUARE LIMITED | Private company limited by shares | Live |
| SQUARE & CIRCLE LIMITED | Private company limited by shares | Dissolved |
| SQUARE & CIRCLE LIMITED | Private company limited by shares | Live |
| Square Circle Limited -The- | Private company limited by shares | Live |
| HK CIRCLE & SQUARE CO., LIMITED | Private company limited by shares | Live |
| ONE SQUARE CIRCLE CO., LIMITED | Private company limited by shares | Live |
| SQUARE CIRCLE ENGINEERING LIMITED | Private company limited by shares | Live |
| CIRCLE SQUARE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Square The Circle Group Limited | Private company limited by shares | Live |
| Square Circle Hong Kong Limited | Private company limited by shares | Live |
| SQUARE CIRCLE TECHNOLOGY LIMITED | | Live |
| Square Circle Trade Limited | | Live |
| STAR CIRCLE LIMITED | Private company limited by shares | Dissolved |
| STAR CIRCLE LIMITED | Private company limited by shares | Dissolved |
| Star Circle Limited | Private company limited by shares | Live |
| Star Circle Investment Limited | Private company limited by shares | Live |
| CIRCLE STONE LIMITED | Private company limited by shares | Dissolved |