| PROOF COMPANY LIMITED | Private company limited by shares | Live |
| JET PROOF LIMITED | Private company limited by shares | Dissolved |
| WIN PROOF LIMITED | Private company limited by shares | Dissolved |
| PROOF 100 LIMITED | Private company limited by shares | Dissolved |
| ABSOLUTE PROOF LIMITED | Private company limited by shares | Live |
| CENTURY PROOF LIMITED | Private company limited by shares | Dissolved |
| DRAGON PROOF LIMITED | Private company limited by shares | Live |
| ERROR PROOF LIMITED | Private company limited by shares | Live |
| GRAND PROOF LIMITED | Private company limited by shares | Live |
| HONEST PROOF LIMITED | Private company limited by shares | Dissolved |
| BUFF PROOF PRODUCTIONS LIMITED | | Live |
| MASTER PROOFER COMPANY LIMITED | Private company limited by shares | Live |
| MASTER PROOFER CORPORATION LIMITED | Private company limited by shares | Live |
| Proofessor International Limited | Private company limited by shares | Live |
| PROOFIELD LIMITED | Private company limited by shares | Live |
| 4-COLOUR PROOFING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DONG MING PROOFING LIMITED | Private company limited by shares | Dissolved |
| SKY DRAGON PROOFING COMPANY LIMITED | Private company limited by shares | Live |
| GOLD DRAGON PROOFING LIMITED | Private company limited by shares | Dissolved |
| TOP RELIANCE PROOFING LIMITED | Private company limited by shares | Dissolved |
| TOKYO PROOFING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PROOFLOAD LIMITED | Private company limited by shares | Dissolved |
| SINO ART PROOF-PRINTING PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| China Proofreader Limited | Private company limited by shares | Dissolved |
| PROOFTECH LIMITED | Private company limited by shares | Live |
| PROOFVISION LIMITED | Private company limited by shares | Live |