| ROY BILLY COMPANY LIMITED | Private company limited by shares | Dissolved |
| KAM WAH BILLY LOK JV LIMITED | Private company limited by shares | Dissolved |
| BILLY LIMITED | Private company limited by shares | Live |
| TOP BILLY WIN LIMITED | Private company limited by shares | Live |
| Billy Boe Company Limited | Private company limited by shares | Live |
| Mr Billy B Limited | Private company limited by shares | Live |
| FCC BILLY COMPANY LIMITED | Private company limited by shares | Live |
| Ida & Billy Architects Limited | Private company limited by shares | Live |
| BILLY HO AND ASSOCIATES CPA LIMITED | Private company limited by shares | Live |
| BILLY TSIM & ASSOCIATES COMPANY LIMITED | Private company limited by shares | Dissolved |
| BILLY CHAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BILLY CHAN INVESTMENT LIMITED | Private company limited by shares | Live |
| BILLY CHANCE LIMITED | Private company limited by shares | Dissolved |
| China Billy Trade Company Limited | Private company limited by shares | Live |
| DR BILLY LAW CLINIC LIMITED | Private company limited by shares | Live |
| BILLY INTERNATIONAL IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Live |
| BILLY CONTRACTING LIMITED | Private company limited by shares | Live |
| BILLY CREATION LIMITED | Private company limited by shares | Dissolved |
| Billy Tam Design Studio Limited | Private company limited by shares | Live |
| BILLY INTERNATIONAL EDUCATION LIMITED | Private company limited by shares | Live |
| BILLY BO ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| HK BILLY NEW ENERGY LIMITED | Private company limited by shares | Live |
| BILLY ON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| BILLY CONSTRUCTION AND ENGINEERING LIMITED | | Live |
| BILLY GRAHAM EVANGELISTIC ASSOCIATION LIMITED -THE- | Private company limited by shares | Dissolved |
| BILLY GRAHAM EVANGELISTIC ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| BILLY FORCE LIMITED | Private company limited by shares | Dissolved |
| BILLY GARMENT LIMITED | Private company limited by shares | Dissolved |
| BILLY LOK & PARTNERS GENERAL CONTRACTORS LIMITED | Private company limited by shares | Live |
| BILLY GOATS LIMITED | Private company limited by shares | Live |
| BILLY GOLF LIMITED | Private company limited by shares | Live |
| BILLY INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| BILLY HALL LIMITED | Private company limited by shares | Dissolved |
| HILL BILLY LIMITED | Private company limited by shares | Live |
| BILLY HIRE CAR SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| Billy Tse (HK) Limited | Private company limited by shares | Live |
| BILLY HOME LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BILLY GRAHAM CRUSADE LIMITED | Company limited by guarantee | Dissolved |
| HONG KONG BILLY GRAHAM CRUSADE LIMITED | Company limited by guarantee | Dissolved |
| Billy Jealousy (Hong Kong) Limited | Private company limited by shares | Live |
| BILLY HOUSE LIMITED | Private company limited by shares | Dissolved |
| BILLY INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| BILLY INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| BILLY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BILLY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BILLY LAM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Billy and Karim International Limited | Private company limited by shares | Live |
| Billy Kung Fu Limited | Private company limited by shares | Live |
| Billy Casper Golf Management Limited | Private company limited by shares | Live |
| BILLY OCEAN LIMITED | Private company limited by shares | Dissolved |
| BILLY OPTICAL LIMITED | Private company limited by shares | Live |
| BILLY PACIFIC LIMITED | Private company limited by shares | Dissolved |
| HAN & BILLY (ASIA PACIFIC) CO. LIMITED | Private company limited by shares | Dissolved |
| Billy Chan Pets Photography Limited | Private company limited by shares | Live |
| BILLY POON JEWELLERY COMPANY LIMITED | Private company limited by shares | Live |
| BILLY JOE RESTAURANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| BILLY SPORTS LIMITED | Private company limited by shares | Live |
| BILLY STRONG LIMITED | Private company limited by shares | Dissolved |
| BILLY SUCCESS LIMITED | Private company limited by shares | Dissolved |
| BILLY TRADING COMPANY LIMITED | Private company limited by shares | Live |
| BILLY INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| BILLY GOLD MOTOR TRADING LIMITED | Private company limited by shares | Dissolved |
| YIWU BILLY IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| BILLYAIR LIMITED | Private company limited by shares | Dissolved |
| BILLYARD LIMITED | Private company limited by shares | Live |
| BILLYBALA WAI LEE LIMITED | Private company limited by shares | Live |
| Billybala Limited | Private company limited by shares | Live |
| BILLYBASE LIMITED | Private company limited by shares | Live |
| BILLYBOOK.COM LIMITED | Private company limited by shares | Dissolved |
| BILLYC CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| BILLYCHASE LIMITED | Private company limited by shares | Dissolved |
| BILLYCHEER LIMITED | Private company limited by shares | Dissolved |
| BILLYCOME LIMITED | Private company limited by shares | Dissolved |
| BILLYCOME LIMITED | Private company limited by shares | Dissolved |
| BILLYGAIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Billy(Hong Kong)Technology Co., LIMITED | | Live |
| BILLYKING LIMITED | Private company limited by shares | Live |
| BILLYLOT LIMITED | Private company limited by shares | Dissolved |
| BILLYMAX LIMITED | Private company limited by shares | Live |
| BILLYNICE LIMITED | Private company limited by shares | Dissolved |
| BILLY'S GYM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Billy's Gym Limited | | Live |
| Fanny & Billy's Express Service Co., Limited | Private company limited by shares | Live |
| Billy's Hong Kong Adventures Limited | Private company limited by shares | Live |
| Billy's Training Centre Limited | Private company limited by shares | Live |
| BILLYSMART LIMITED | Private company limited by shares | Dissolved |
| BILL&YUAN INTERNATIONAL TRADE CO., LIMITED | | Live |
| BILLYWASHCAR LIMITED | Private company limited by shares | Live |
| BILLYWAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BILLYWIN LIMITED | Private company limited by shares | Dissolved |
| BILLYWOOD LIMITED | Private company limited by shares | Dissolved |