| SING WAH TAI CO. LIMITED | Private company limited by shares | Dissolved |
| SIMS INTERNATIONAL MANAGEMENT SERVICES LIMITED | Private company limited by shares | Dissolved |
| SINCERE ESTATE AGENCY COMPANY LIMITED | Private company limited by shares | Dissolved |
| AU KEUNG SILK-SCREENING & ELECTRO - PLATING CO., LIMITED | Private company limited by shares | Dissolved |
| HOI SING CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-HONGKONG TEXTILES LIMITED | Private company limited by shares | Dissolved |
| SISMA CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| SING WAI ELECTRICAL DOMESTIC APPLIANCES LIMITED | Private company limited by shares | Dissolved |
| YUET SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIU'S BROTHERS LIMITED | Private company limited by shares | Dissolved |
| SINO EXPRESS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINITRON LIMITED | Private company limited by shares | Dissolved |
| SUN FAT SIZING & DYEING FACTORY LIMITED | Private company limited by shares | Dissolved |
| TAI MING SING KEE WEAVING MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| SIGNODE HONG KONG LIMITED | Private company limited by shares | Live |
| SILVERBROOK COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| NAN SING ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| LOK SING RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| FAT SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGMAL CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| TUNG SING TOUR AND TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILBURY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TUNG SING PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| SILICA TRADING LIMITED | Private company limited by shares | Dissolved |
| SIKMO COMPANY LIMITED | Private company limited by shares | Dissolved |
| THIEN SING TRADING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SITORO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SILURIAN TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO-OCCIDENTAL TRADE PROMOTION LIMITED | Private company limited by shares | Dissolved |
| SILKWAN INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOI WING & TUNG SING WO TANNERY LIMITED | Private company limited by shares | Dissolved |
| SIMMONS ENGINEERED PRODUCTS LIMITED | Private company limited by shares | Live Commenced dormancy on 12-Sep-2013 |
| SITOSI ENTERPRISES, LIMITED | Private company limited by shares | Live |
| SUN YEUNG SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING SENG GENERAL MERCHANDISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ULTRA SILK FLOWERS LIMITED | Private company limited by shares | Dissolved |
| TUNG HOI SODIUM SILICATE MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| KAM TAT SILK FLOWER ( MANUFACTORY ) LIMITED | Private company limited by shares | Dissolved |
| TUNG SING GYMNASIUM ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| HOK SING WAH TRADING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SIKLOK INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| DAH SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCOMSPEC LIMITED | Private company limited by shares | Dissolved |
| SILVERPHONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOCONTINENTAL LIMITED | Private company limited by shares | Dissolved |
| SINGKEL INVESTMENT LIMITED | Private company limited by shares | Live |
| SIENA LIMITED | Private company limited by shares | Dissolved |
| LUK HOP SING SHUT LIMITED | Company limited by guarantee | Live |
| SING SHIUN LOCK COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SISKA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SILVER SKY COMPANY LIMITED | Private company limited by shares | Live |
| SINGMASTATE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| NAN SING CLOTHING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILVER AGE LIMITED | Private company limited by shares | Dissolved |
| SINOTECH ASIA LIMITED | Private company limited by shares | Live |
| SIBBALD COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING YUN SILK WEAVING COMPANY LIMITED | Private company limited by shares | Live |
| WAH SING POLY-BAGS MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| SILVER POINT LIMITED | Private company limited by shares | Live |
| HOI SING EQUIPMENTS COMPANY LIMITED | Private company limited by shares | Live |
| KUM SING DISPENSARY LIMITED | Private company limited by shares | Dissolved |
| SINDERING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SINTER METALS LIMITED | Private company limited by shares | Dissolved |
| KIN LAG SING PLASTIC MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILVERLOCK LIMITED | Private company limited by shares | Dissolved |
| SINPHLEX LIMITED | Private company limited by shares | Dissolved |
| SUN SING PING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINGORA LIMITED | Private company limited by shares | Dissolved |
| SIMKA LIMITED | Private company limited by shares | Dissolved |
| TELLY SIZING & DYEING FACTORY LIMITED | Private company limited by shares | Dissolved |
| SIPO PUBLICATIONS LIMITED | Private company limited by shares | Dissolved |
| SIEMPREVIVA LIMITED | Private company limited by shares | Dissolved |
| SING CHAI TAN LIMITED | Company limited by guarantee | Live |
| ARKAI SILK TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINIGALIA COMPANY LIMITED | Private company limited by shares | Live |
| SING TAT LEE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SING TUNG LEE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SIAM COMMERCIAL FINANCE LIMITED | Private company limited by shares | Dissolved |
| SING KWONG KAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SING KWONG LEE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YUK SING GARMENT MANUFACTORY (H.K.) LIMITED | Private company limited by shares | Live |
| SIERRA DELTA (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| KIN SING (EI CORE) COMPANY LIMITED | Private company limited by shares | Dissolved |
| KIU SING PLASTIC FACTORY, LIMITED | Private company limited by shares | Dissolved |
| HIM SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINTER SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGARCH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINGARCH CONSORTIUM LIMITED | Private company limited by shares | Dissolved |
| SIERRA FAR EAST ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO AMERICA DELIGHTS LIMITED | Private company limited by shares | Dissolved |
| PAK SING CHEONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINDUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUT SING (CLOCKS) LIMITED | Private company limited by shares | Dissolved |
| BON SING INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TAK SING AIR SYSTEM & EQUIPMENT, LIMITED | Private company limited by shares | Dissolved |
| SING LEE FAT INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIKA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINGLETON COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING TUNG REALTY COMPANY LIMITED | Private company limited by shares | Live |
| SILVERSTRAND SHOPPING CENTRE LIMITED | Private company limited by shares | Dissolved |