| 2068 (KLN) Limited | Private company limited by shares | Live |
| TRADE 24-SEVEN LIMITED | Private company limited by shares | Dissolved |
| 2BRO LIMITED | Private company limited by shares | Live |
| 2388 LIMITED | Private company limited by shares | Dissolved |
| 2Talents Achieve Company Limited | Private company limited by shares | Dissolved |
| 21-Forever Group Co., Limited | Private company limited by shares | Dissolved |
| Fortress Properties 2016 Limited | Private company limited by shares | Live |
| 2626 LIMITED | Private company limited by shares | Live |
| 2ABM LIMITED | Private company limited by shares | Live |
| 21ST-BESTZONE LIMITED | Private company limited by shares | Dissolved |
| 21menu.com Limited | Private company limited by shares | Dissolved |
| 2M-INNOTECH LIMITED | Private company limited by shares | Dissolved |
| PJ 2500 Limited | Private company limited by shares | Live |
| 2020 SPA Consultancy Limited | Private company limited by shares | Dissolved |
| 2241629 ONTARIO LIMITED | Private company limited by shares | Dissolved |
| 21st Century Learning Hong Kong Limited | Company limited by guarantee | Dissolved |
| 2233 LIMITED | Private company limited by shares | Live |
| 2001 LIMITED | Private company limited by shares | Live |
| 21CHAU PTY LIMITED | Private company limited by shares | Dissolved |
| 2121 Business Consultants Limited | Private company limited by shares | Dissolved |
| TOGETHER (2001) HK TRADING LIMITED | Private company limited by shares | Live |
| 2BridgZ Limited | Private company limited by shares | Live |
| COMERCIALIZADORA D.P.Z. 2012 C.A LIMITED | Private company limited by shares | Dissolved |
| 2688 LIMITED | Private company limited by shares | Dissolved |
| 2050 CHINA DEVELOPING HOLDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| 232C COMPANY LIMITED | Private company limited by shares | Live |
| 2TRADE LIMITED | Private company limited by shares | Live |
| VISION 20/20 COMPANY LIMITED | Private company limited by shares | Dissolved |
| 2223 LIMITED | Private company limited by shares | Live |
| Selection 2000 Limited | Private company limited by shares | Live |
| 21SHOP LIMITED | Private company limited by shares | Dissolved |
| 21Dayak Trading Limited | Private company limited by shares | Dissolved |
| 2000 Publishing and Consultancy Limited | Private company limited by shares | Live |
| FORT 2012 Limited | Private company limited by shares | Live |
| 21st Century Bluesky Investment Management (Hongkong) Limited | Private company limited by shares | Live |
| 2013 LIMITED | Private company limited by shares | Live |
| Group 2718 Limited | Private company limited by shares | Live |
| 21ST CENTURY LIFESTYLE LIMITED | Private company limited by shares | Live |
| 21ST CENTURY HONG KONG LIMITED | Private company limited by shares | Live |
| 2HS-TOOLING CO., LIMITED | Private company limited by shares | Live |
| 2-Square Design & Contracting Company Limited | Private company limited by shares | Live |
| LNL (2010) LIMITED | Private company limited by shares | Live |
| 2MyZoom Limited | Private company limited by shares | Live |
| 2333 LIMITED | Private company limited by shares | Live |
| CON 2012 LIMITED | Private company limited by shares | Live |
| MAY FLOWER B.M 2000 LIMITED | Private company limited by shares | Live |
| 2C&IG Limited | Private company limited by shares | Live Commenced dormancy on 11-May-2016 |
| ZEE 2012 CO LIMITED | Private company limited by shares | Live |
| SH 2012 LIMITED | Private company limited by shares | Dissolved |
| AC 2012 LIMITED | Private company limited by shares | Dissolved |
| 2828 INC LIMITED | Private company limited by shares | Dissolved |
| 2LDK Limited | Private company limited by shares | Live |
| 2G&E LIMITED | Private company limited by shares | Live |
| 2000FUN GROUP LIMITED | Private company limited by shares | Dissolved |
| 24x7 Clicks Limited | Private company limited by shares | Live |
| ST 2013 LIMITED | Private company limited by shares | Dissolved |
| JM 2013 LIMITED | Private company limited by shares | Dissolved |
| 28WATCH COMPANY LIMITED | Private company limited by shares | Live |
| KS 2013 LIMITED | Private company limited by shares | Dissolved |
| GA 2013 LIMITED | Private company limited by shares | Dissolved |
| ATC 2006 Company Limited | Private company limited by shares | Live |
| 22N114E Limited | Private company limited by shares | Dissolved |
| ASIA 2013 LIMITED | Private company limited by shares | Live |
| RED BOX 2013 Limited | Private company limited by shares | Live |
| BC 2013 LIMITED | Private company limited by shares | Dissolved |
| Studio 2init Limited | Private company limited by shares | Live |
| 28STORE LIMITED | Private company limited by shares | Live |
| 2DMart Limited | Private company limited by shares | Live |
| 21ST CENTURY INSURANCE & FINANCIAL AGENCY LIMITED | Private company limited by shares | Live |
| 2323 INC LIMITED | Private company limited by shares | Live |
| IPBA 2015 Conference Limited | Private company limited by shares | Live |
| HK 2R-TRADE INT'L LIMITED | Private company limited by shares | Live |
| 2Chron20 Limited | Private company limited by shares | Live |
| 2328 INC LIMITED | Private company limited by shares | Live |
| APRRC 2014 Management Company Limited | Private company limited by shares | Live |
| 20/Twenty Co. Limited | Private company limited by shares | Live |
| 2020 CAPITAL LIMITED | Private company limited by shares | Live |
| 2288 INC LIMITED | Private company limited by shares | Ceased to exist as a separate entity |
| 2823 INC LIMITED | Private company limited by shares | Live |
| SOLUTION 2000 LIMITED | Private company limited by shares | Live |
| 2323 TRADING LIMITED | Private company limited by shares | Live |
| EMK LIMITED | Private company limited by shares | Live |
| SUM KEE LIMITED | Private company limited by shares | Live |
| GGP Co. Limited | Private company limited by shares | Dissolved |
| 凱色倫塑膠五金制品(香港)有限公司 | Private company limited by shares | Dissolved |
| CYM LIMITED | Private company limited by shares | Dissolved |
| PWW COMPANY LIMITED | Private company limited by shares | Live |
| Company Registration Number 2000464 Limited | Private company limited by shares | Live |
| AIR ONE LIMITED | Private company limited by shares | Live |
| 一家之主有限公司 | Private company limited by shares | Live |
| BDR LIMITED | Private company limited by shares | Live |
| YU HOI COMPANY LIMITED | Private company limited by shares | Dissolved |
| MOA LIMITED | Private company limited by shares | Live |
| LGM LIMITED | Private company limited by shares | Live |
| XPX LIMITED | Private company limited by shares | Live |
| ENS Limited | Private company limited by shares | Live |
| UBT Limited | Private company limited by shares | Live |
| BPB Limited | Private company limited by shares | Live |
| WSF LIMITED | Private company limited by shares | Dissolved |
| X COMPANY LIMITED | Private company limited by shares | Live |