| SERIE COMPANY LIMITED | Private company limited by shares | Live |
| SERIE ESTATES LIMITED | Private company limited by shares | Live |
| SERIE (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SERIELLE LIMITED | Private company limited by shares | Dissolved |
| RB SERIES LIMITED | Private company limited by shares | Dissolved |
| A Series Limited | Private company limited by shares | Live |
| NEW SERIES LIMITED | Private company limited by shares | Live |
| TIL Pre Series A Limited | Private company limited by shares | Live |
| SERIES LIMITED | Private company limited by shares | Live |
| SMART 2021 Series A Limited | Private company limited by shares | Live |
| SMART 2022 Series A Limited | | Live |
| ANDUK GREEN SERIES COATING LIMITED | Private company limited by shares | Live |
| NIPPON ZPR TRANSVERSE AUTOMOBILE COMPONENT SERIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| NB new balance series co., LIMITED | Private company limited by shares | Live |
| BASIC SERIES LIMITED | Private company limited by shares | Dissolved |
| USA APPLE GROUP (ASIA) BEDDING SERIES LIMITED | Private company limited by shares | Live |
| 8 SERIES BIO-TECH LIMITED | Private company limited by shares | Live |
| BRIGHT SERIES LIMITED | Private company limited by shares | Live |
| WANDER SERIES CAMPER (H.K) PTY LIMITED | Private company limited by shares | Live |
| CHARTER SERIES LIMITED | Private company limited by shares | Live |
| CHINA GUIDES SERIES LIMITED | Private company limited by shares | Live |
| Classic Series I Limited | | Live |
| RS SEA Series I Co., Limited | Private company limited by shares | Live |
| Modern Create Series Limited | Private company limited by shares | Live |
| LEGEND DOOR SERIES LIMITED | Private company limited by shares | Live |
| HK VALENTINO ARISTOCRACY SERIES DRESS LIMITED | Private company limited by shares | Dissolved |
| Series Electronic (HK) Limited -The- | Private company limited by shares | Live |
| Series Electronics Technology (HongKong) Co., Limited | Private company limited by shares | Live |
| SERIES ORDERS ESTABLISHMENT MONETARY LIMITED | Private company limited by shares | Live |
| EVERWIN SERIES LIMITED | Private company limited by shares | Dissolved |
| EVERWIN SERIES INVESTMENT LIMITED | Private company limited by shares | Live |
| EXCHANGE SERIES LIMITED | Private company limited by shares | Live |
| FORTUNE SERIES LIMITED | Private company limited by shares | Live |
| FULL SERIES CO. LIMITED | Private company limited by shares | Dissolved |
| FULL SERIES LIMITED | Private company limited by shares | Dissolved |
| Global Asian Electric Series Limited | Private company limited by shares | Live |
| 999 DR. HEALTH SERIES LIMITED | Private company limited by shares | Dissolved |
| DR. HEALTH SERIES LIMITED | Private company limited by shares | Dissolved |
| Super Heaven Series Limited | Private company limited by shares | Live |
| Hong Kong Green Series Co Limited | Private company limited by shares | Live |
| Series (Hong Kong) Group Limited | Private company limited by shares | Dissolved |
| HEALTH SERIES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| OWN SERIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| GSM SERIES INTERNATIONAL HK LIMITED | Private company limited by shares | Live |
| IPG Investor Series - SLR Limited | Private company limited by shares | Live |
| IPG Investor Series NRC Limited | Private company limited by shares | Dissolved |
| IPG Investor Series - GRCO Limited | Private company limited by shares | Dissolved |
| HK KASIO SERIES (GROUP) DRESS LIMITED | Private company limited by shares | Dissolved |
| AD SERIES DISPLAYS MANUFACTURING CO. LIMITED | Private company limited by shares | Live |
| Master Series Co. Limited | Private company limited by shares | Live |
| MILANO SERIES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| The Peak Series Limited | | Live |
| New Series Products Limited | Private company limited by shares | Live |
| SERIES GRAND RESOURCES LIMITED | Private company limited by shares | Dissolved |
| PAN PACIFIC RUGBY SERIES LIMITED | Private company limited by shares | Dissolved |
| 999 DR. HEALTH SERIES (SED) LIMITED | Private company limited by shares | Dissolved |
| SILVER SERIES LIMITED | Private company limited by shares | Dissolved |
| SMART 2023 Series A Limited | | Live |
| Soul Series Limited | Private company limited by shares | Live |
| SPECIAL SERIES LIMITED | Private company limited by shares | Live |
| Spot Series (Moon) Asia Company Limited | | Live |
| Spot Series (Ocean) Asia Company Limited | | Live |
| Spot Series (Sun) Asia Company Limited | | Live |
| Sun Series Travel Company Limited | Private company limited by shares | Live |
| Tsang's Series Limited | Private company limited by shares | Live |
| 999 DR. HEALTH SERIES (YLD) LIMITED | Private company limited by shares | Dissolved |