| Ming Pian Yi Limited | Private company limited by shares | Live |
| CE PIAN TRADE LIMITED | Private company limited by shares | Live |
| PIANCE LIMITED | Private company limited by shares | Live |
| pianini Edutainment Limited | | Live |
| GRAND PIANIST COMPANY LIMITED -THE- | Private company limited by shares | Live |
| PIANIST GROUP LIMITED | | Live |
| Lowland Pianist Limited | Private company limited by shares | Live |
| Grand Pianist Music Education Association Limited -The- | Company limited by guarantee | Live |
| Pianlo Company Limited -The- | Private company limited by shares | Live |
| HK PIANLOG HOME FURNISHING CO., LIMITED | Private company limited by shares | Live |
| DONGLAI PIANNING INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| WAI WAH PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| LOK WAH PIANO COMPANY LIMITED | Private company limited by shares | Live |
| PIANO ONE TWO COMPANY LIMITED | Private company limited by shares | Live |
| TOP PIANO LIMITED | Private company limited by shares | Dissolved |
| Sky Piano Limited | Private company limited by shares | Live |
| AEROPHONE PIANO COMPANY LIMITED | Private company limited by shares | Live |
| ARTFIELD PIANO LIMITED | Private company limited by shares | Live |
| ARTLAND PIANO LIMITED | Private company limited by shares | Live |
| Piano Arts Service Limited | Private company limited by shares | Live |
| EUROPEAN ASIAN PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEST PIANO COMPANY LIMITED -THE- | Private company limited by shares | Live |
| HK BLAIN PIANO LIMITED | Private company limited by shares | Live |
| GER BOLAN PIANO LIMITED | Private company limited by shares | Live |
| BOWIE PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK BRUNO PIANO SHARES LIMITED | Private company limited by shares | Live |
| CAESAR PIANO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| LO PIK YU PIANO & ART CENTRE LIMITED | Private company limited by shares | Live |
| BLUTHNER PIANO (CHINA) LIMITED | Private company limited by shares | Live |
| ESTONIA PIANO (CHINA) LIMITED | Private company limited by shares | Live |
| DE BACH PIANO CO., LIMITED | Private company limited by shares | Live |
| BERMAN PIANO CO., LIMITED | Private company limited by shares | Live |
| CREATIVE PIANO CO., LIMITED | Private company limited by shares | Live |
| HK Kempff Piano Co., Limited | Private company limited by shares | Live |
| Piano Prince Co., Limited | Private company limited by shares | Live |
| GERMANY CONISTON PIANO LIMITED | Private company limited by shares | Live |
| ECHO PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA PIANO EDUCATION ASSOCIATION LIMITED | Private company limited by shares | Live |
| Piano Music Education Limited | Private company limited by shares | Live |
| HK EISENBERG PIANO CO., LIMITED | Private company limited by shares | Live |
| FOONGLI TEK PIANO COMPANY LIMITED | Private company limited by shares | Live |
| FRANCE PIANO LIMITED | Private company limited by shares | Dissolved |
| GERMANY SADWAY PIANO LIMITED | Private company limited by shares | Dissolved |
| Germany Xumoer Piano Limited | Private company limited by shares | Dissolved |
| GLOBAL PIANO LIMITED | Private company limited by shares | Live |
| GRACE PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| Grace Piano Company Limited | Private company limited by shares | Dissolved |
| GRAHAM PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| UK.Cromwell Piano Group Limited | | Live |
| HAPPY PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARMONY PIANO COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 06-Jun-2012 |
| Piano Harmony Limited | | Live |
| HARMONY PIANO (U.K.) COMPANY LIMITED | Private company limited by shares | Live |
| HK HESTON PIANO LIMITED | Private company limited by shares | Live |
| ITALY GUNUO PIANO LIMITED | Private company limited by shares | Live |
| JABBOK PIANO COMPANY LIMITED | Private company limited by shares | Live |
| JABBOK PIANO (GROUP) COMPANY LIMITED | Private company limited by shares | Dissolved |
| JESSICA PIANO COMPANY LIMITED | Private company limited by shares | Live |
| JOSEPH PIANO COMPANY LIMITED | Private company limited by shares | Live |
| KARLSEN PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| GER KASSEL PIANO LIMITED | Private company limited by shares | Live |
| Lai's Piano Tuning Limited | Private company limited by shares | Dissolved |
| Solfege Land Piano School Limited | Private company limited by shares | Live |
| PIANO BRAND MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| SOHNBURG PIANO MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAYN MEI PIANO MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Henry & Mason Piano Limited | Private company limited by shares | Live |
| MEGA PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ming' s Piano Limited | Private company limited by shares | Live |
| MITSUBA PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOYIN PIANO MUSIC CENTRE LIMITED | Private company limited by shares | Dissolved |
| Musicpls Piano Limited | Private company limited by shares | Live |
| NAGOYA PIANO COMPANY LIMITED | Private company limited by shares | Live |
| NICAM PIANO LIMITED | | Live |
| Piano Passion Limited | Private company limited by shares | Live |
| Piano Plus Limited | | Live |
| Qualitech Piano Service Limited | Private company limited by shares | Live |
| RHYTHM PIANO COMPANY LIMITED | Private company limited by shares | Live |
| ROBINSON PIANO COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| ROBINSON PIANO COMPANY LIMITED -THE- | Company limited by guarantee | Dissolved |
| ROYAL PIANO LIMITED | Private company limited by shares | Live |
| SAMPSON PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| GER SCHULZ PIANO LIMITED | Private company limited by shares | Dissolved |
| Sylvie Piano Arts Studio Limited | Private company limited by shares | Live |
| Grand Piano Studio Company Limited | Private company limited by shares | Live |
| LINA SU PIANO STUDIO LIMITED | Private company limited by shares | Dissolved |
| Rubato Piano Technology Limited | Private company limited by shares | Live |
| TOMMAS PIANO CO., LIMITED | Private company limited by shares | Dissolved |
| PIANO TRADING COMPANY LIMITED | Private company limited by shares | Live |
| TSANG FOOK PIANO COMPANY LIMITED | Private company limited by shares | Live |
| TUNG PO PIANO LIMITED | Private company limited by shares | Dissolved |
| UBESI PIANO COMPANY LIMITED | Private company limited by shares | Live |
| VIENNA PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| VIENNICE PIANO LIMITED | Private company limited by shares | Dissolved |
| WEIDIG PIANO COMPANY LIMITED | Private company limited by shares | Live |
| PIANO WORKSHOP LIMITED | Private company limited by shares | Live Commenced dormancy on 31-Dec-2013 |
| GER YANIE PIANO LIMITED | Private company limited by shares | Live |
| Pianoeye Limited | Private company limited by shares | Live |
| PIANOFORTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| PIANOFORTE LIMITED | Private company limited by shares | Live |