| CC ABACUS LIMITED | Private company limited by shares | Dissolved |
| ABACUS L & COMPANY LIMITED | Private company limited by shares | Live |
| ABACUS LIMITED | Private company limited by shares | Live |
| ONE ABACUS LIMITED | Private company limited by shares | Dissolved |
| ABACUS CPA LIMITED | Private company limited by shares | Live |
| Abacus Tax Limited | Private company limited by shares | Live |
| Abacus Win Limited | Private company limited by shares | Live |
| ABACUS INT LIMITED | Private company limited by shares | Live |
| ABACUS ASIA LIMITED | Private company limited by shares | Live |
| LP Abacus Associates Limited | Private company limited by shares | Live |
| Avnet Abacus Limited | Private company limited by shares | Live |
| ABACUS BONFI CPA LIMITED | Private company limited by shares | Live |
| ABACUS CAPITAL LIMITED | Private company limited by shares | Dissolved |
| ABACUS CAPITAL LIMITED | Private company limited by shares | Live |
| ABACUS CHENGCO CPA LIMITED | Private company limited by shares | Live |
| ABACUS CHINA COMPANY LIMITED | Private company limited by shares | Live |
| ABACUS CONCEPTS LIMITED | Private company limited by shares | Live |
| ABACUS CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| ONE ABACUS CONSULTANCY LIMITED | Private company limited by shares | Live |
| ABACUS LOGIC CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| Abacus Corporate Finance Limited | Private company limited by shares | Live |
| ABACUS DATA RESEARCH LIMITED | Private company limited by shares | Live |
| RED ABACUS DESIGN LIMITED | Private company limited by shares | Dissolved |
| ABACUS DESIGN COMPANY LIMITED | Private company limited by shares | Dissolved |
| Red Abacus Design Consultancy Limited | Private company limited by shares | Live |
| ABACUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Abacus FinTech Limited | Private company limited by shares | Live |
| GLOBAL ABACUS ASSOCIATION COMPANY LIMITED | Private company limited by shares | Live |
| Abacus Investment Company Limited | Private company limited by shares | Live |
| ABACUS ASIA INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| NEW ABACUS INVESTMENTS LIMITED | Private company limited by shares | Live |
| GOLD ABACUS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| STANFORD ABACUS INVESTORS LIMITED | Private company limited by shares | Live |
| IRON ABACUS LIMITED | Private company limited by shares | Dissolved |
| ABACUS I.T. LIMITED | Private company limited by shares | Dissolved |
| Abacus Manufacturing Limited | Private company limited by shares | Live Commenced dormancy on 08-Sep-2015 |
| S&Y Music and Abacus Centre Company Limited | Private company limited by shares | Live |
| ABACUS (ASIA PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| Abacus Asia Pacific Limited | Private company limited by shares | Live |
| ABACUS PROPTECH LIMITED | Private company limited by shares | Live |
| ABACUS SHARE REGISTRARS LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Nov-2002 |
| SIMON WU ABACUS CENTRE LIMITED | Private company limited by shares | Dissolved |
| SMART ABACUS LIMITED | Private company limited by shares | Live |
| Abacus Solution Limited | Private company limited by shares | Live Commenced dormancy on 25-Jul-2011 |
| A.B.A.C.U.S. SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| ABACUS SYSTEM ASIA LIMITED | Private company limited by shares | Live |
| ABACUS SYSTEMS COMPANY LIMITED | Private company limited by shares | Live |
| Abacus Tech Limited | Private company limited by shares | Live |
| ABACUS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ABACUS TRADING LIMITED | Private company limited by shares | Dissolved |
| TRICOR ABACUS LIMITED | Private company limited by shares | Live |
| AbacusChain Limited | Private company limited by shares | Live |
| AbacusShare Technologies Limited | Private company limited by shares | Live |
| ABACUSTREE LIMITED | Private company limited by shares | Dissolved |