| INTERFACE LIMITED | Private company limited by shares | Dissolved |
| INTERFACE LIMITED | Private company limited by shares | Dissolved |
| AIR INTERFACE LIMITED | Private company limited by shares | Live |
| EJC INTERFACE LIMITED | Private company limited by shares | Dissolved |
| INTERFACE LIMITED | Private company limited by shares | Live |
| INTERFACE AGENCY LIMITED | Private company limited by shares | Dissolved |
| ASIA INTERFACE LIMITED | Private company limited by shares | Dissolved |
| INTERFACE ASIA-AMERICA LIMITED | Private company limited by shares | Dissolved |
| INTERFACE ASIA-PACIFIC (HK) LIMITED | Private company limited by shares | Live |
| ATAGE INTERFACE SYSTEMS (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| BCS AUTOMOTIVE INTERFACE SOLUTIONS HONG KONG LIMITED | Private company limited by shares | Live |
| INTERFACE CO., LIMITED | Private company limited by shares | Live |
| PS INTERFACE E & C CO., LIMITED | Private company limited by shares | Live |
| ASIA INTERFACE SERVICE CO., LIMITED | Private company limited by shares | Dissolved |
| INTERFACE COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| MEGA COMMUNICATIONS INTERFACE LIMITED | Private company limited by shares | Live |
| Business Interface Community Co. Limited | Private company limited by shares | Live |
| INTERFACE COMPUTER SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| Global Interface Consultants Limited | Private company limited by shares | Dissolved |
| InterFace Consultants Service Limited | | Live |
| INTERFACE FINANCIAL CONSULTING LIMITED | Private company limited by shares | Live |
| INTERFACE DESIGN & CONTRACTING CO., LIMITED | Private company limited by shares | Live |
| Interface Education Limited | Private company limited by shares | Live |
| INTERFACE ENTERPRISES LIMITED | Private company limited by shares | Live |
| INTERFACE EVENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Interface Frontier Limited | Private company limited by shares | Live |
| GLOBAL INTERFACE LIMITED | Private company limited by shares | Live |
| Interface Global Limited | Private company limited by shares | Live |
| Western Interface Resources Group Limited | | Live |
| INTERFACE ASIA (HK) LIMITED | Private company limited by shares | Live |
| INTERFACE OFFICE FURNITURE (H.K.) LIMITED | Private company limited by shares | Live |
| INTERFACE TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| Entertainment Creative Interface Hong Kong Limited | Private company limited by shares | Live |
| INTERFACE GLOBAL HONG KONG CO., LIMITED | Private company limited by shares | Dissolved |
| Jointlean Interface of Hong Kong Company Limited | Private company limited by shares | Live |
| Interface Hong Kong Limited | Private company limited by shares | Live |
| TRADE INTERFACE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| INTERFACE INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| INTERFACE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| INTERFACE MANAGEMENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| INTERFACE MACHINES LIMITED | Private company limited by shares | Dissolved |
| INTERFACE MANAGEMENT RESOURCES LIMITED | Private company limited by shares | Dissolved |
| INTERFACE OFFICE FURNITURE LIMITED | Private company limited by shares | Dissolved |
| INTERFACE VIDEO PRODUCTION LIMITED | Private company limited by shares | Live |
| PUBLIC INTERFACE LIMITED | Private company limited by shares | Dissolved |
| INTERFACE ART & SCIENCE LIMITED | Private company limited by shares | Dissolved |
| Interface Sealing Solutions Hong Kong Limited | Private company limited by shares | Live |
| SMART INTERFACE LIMITED | Private company limited by shares | Live |
| INTERFACE SOLUTION LIMITED | Private company limited by shares | Live |
| INTERFACE SURVEYS LIMITED | Private company limited by shares | Dissolved |
| Interface Systems Limited | | Live |
| INTERFACE FLOORING SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TECHNOLOGY INTERFACE LIMITED | Private company limited by shares | Live |
| Interface Telecom Limited | Private company limited by shares | Live |
| INTERFACE TRADING LIMITED | Private company limited by shares | Live |
| Unbounded Interface Limited | Private company limited by shares | Live |
| UNIVERSAL INTERFACE LIMITED | Private company limited by shares | Live |
| Voice Interface Design Limited | Private company limited by shares | Live |
| General Interfaces Limited | | Live |
| INNOVATIVE INTERFACES HONG KONG LIMITED | Private company limited by shares | Live |