| PHARMASYS BIOTECH LIMITED | Private company limited by shares | Dissolved |
| Pharmolux Biotech International Limited | | Live |
| Phyto Biotech Limited | | Live |
| Pinnacle Biotech Limited | Private company limited by shares | Live |
| HONG KONG PIONEER (BIO-TECH) COMPANY LIMITED | Private company limited by shares | Live |
| Plantel Biotech Company Limited | Private company limited by shares | Live |
| CARE PLUS BIOTECH LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Jan-2016 |
| Pluslife Biotech Limited | | Live |
| POLY BIOTECH (HK) Co. LIMITED | Private company limited by shares | Live |
| POSIN BIOTECH INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| POWER BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| PRANOVO BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Precisionfeed Biotech Company Limited | | Live |
| Prelab Biotech Limited | Private company limited by shares | Live |
| Premier Bio-Tech Limited | | Live |
| Primemax Biotech Limited | Private company limited by shares | Live |
| HK PRIMETIMES BIO-TECH. CO. LIMITED | Private company limited by shares | Dissolved |
| PRIMUS BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| SANSH BIOTECH PRIVATE LIMITED | Private company limited by shares | Live |
| PROCEPT BIOTECH (HK) COMPANY LIMITED | Private company limited by shares | Live |
| PROEXACT BIOTECH LIMITED | Private company limited by shares | Dissolved |
| PROGVT BIOTECH (HK) LIMITED | Private company limited by shares | Live |
| ProLife Biotech Limited | | Live |
| PROSPEROUS BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| JI SI DUN BIO-TECH PUBLISHING LIMITED | Private company limited by shares | Live |
| Pumont Biotech (Hongkong) Company Limited | Private company limited by shares | Live |
| PURE NMN BIOTECH LIMITED | | Live |
| Pure Innovation Biotech Limited | Private company limited by shares | Live |
| PURE NATURE BIO-TECH LIMITED | Private company limited by shares | Live |
| PURELIFE BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| Puressence Biotech Limited | Private company limited by shares | Live |
| PURESSENCE BIO-TECH (HONGKONG) LIMITED | Private company limited by shares | Live |
| Qibang Biotech (HongKong) Limited | Private company limited by shares | Live |
| Qragen Biotech (HK) Limited | Private company limited by shares | Live |
| HK QUADRUPLE U BIOTECH LIMITED | Private company limited by shares | Live |
| QUAN XIN BIO-TECH LIMITED | Private company limited by shares | Live |
| HK GOLD QUEEN GROUP BIOTECH LIMITED | Private company limited by shares | Live |
| Art Queen Bio-Tech (HK) Co Limited | Private company limited by shares | Live |
| Quinn Wen Biotech Limited | Private company limited by shares | Live |
| Raffles Biotech GP I Limited | Private company limited by shares | Live |
| HK RajaBorneo Biotech Limited | Private company limited by shares | Live |
| RAPID DIAGNOSTIC BIOTECH. CO., LIMITED | Private company limited by shares | Live |
| Jetfast Rapid Diagnostic Biotech Limited | | Live |
| RAYTRED Biotech Co Limited | Private company limited by shares | Live |
| RBCHEM BIO-TECH LIMITED | Private company limited by shares | Live |
| Reach Biotech HK Limited | | Live |
| Real-Gene Biotech Co., Limited | Private company limited by shares | Live |
| REBLOOD Biotech Limited | Private company limited by shares | Live |
| REFINE BIOTECH LIMITED | Private company limited by shares | Live |
| Bay Regenomics Biotech Limited | | Live |
| ROYAL REGIMEN BIOTECH (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ReGreenland Biotech (HK) Limited | Private company limited by shares | Live |
| Reichstein Biotech (HK) Co. Limited | Private company limited by shares | Live |
| RELIBO (HK) BIOTECH LIMITED | Private company limited by shares | Live |
| ReNuStem Biotech Limited | Private company limited by shares | Live |
| WIE Bio-tech Research Company Limited | Private company limited by shares | Live |
| Biotech Resources Co. Limited | Private company limited by shares | Live |
| ALL RIGHT BIOTECH LIMITED | Private company limited by shares | Live |
| All Right Way Biotech Limited | | Live |
| Rihe biotech Limited | | Live |
| RISING SUN BIOTECH CO., LIMITED | Private company limited by shares | Dissolved |
| Rista Biotech Limited | | Live |
| RITAN BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| River Biotech Co., Limited | | Live |
| Fortune River Biotech (HK) Limited | Private company limited by shares | Live |
| Robin Biotech System Limited | | Live |
| HK YET ROLAND BIOTECH LIMITED | Private company limited by shares | Live |
| RONG DA BIOTECH LIMITED | Private company limited by shares | Dissolved |
| RONG YU BIOTECH LIMITED | Private company limited by shares | Live |
| HK TANGUIFEI ROSEWOOD BIOTECH SHARE LIMITED | Private company limited by shares | Live |
| ROYAL 95 BIOTECH GROUP CO., LIMITED | Private company limited by shares | Live |
| RUITING BIOTECH GROUP CO., LIMITED | Private company limited by shares | Live |
| RUNBIO BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| HK Runying Biotech Group Co., Limited | Private company limited by shares | Live |
| HK RUOLANTANG BIOTECH LIMITED | Private company limited by shares | Live |
| S.A.F.E. Biotech Limited | | Live |
| SAILING BIO-TECH COMPANY LIMITED | Private company limited by shares | Live |
| SAKA BIOTECH LIMITED | | Live |
| SAMOYA BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| SANFORI BIOTECH LIMITED | Private company limited by shares | Live |
| HK CHA SANG YUEN BIOTECH HOLDINGS LIMITED | Private company limited by shares | Live |
| HONG KONG CHI SANG YUEN BIOTECH LIMITED | Private company limited by shares | Live |
| HK SANGHERB BIO-TECH LIMITED | Private company limited by shares | Live |
| SANISWISS BIOTECH LIMITED | Private company limited by shares | Live |
| SANSON (FRANCE) BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| Sansure Biotech Co., Limited | Private company limited by shares | Live |
| Sante Infini Biotech Company Limited | | Live |
| Sanwa BioTech Limited | Private company limited by shares | Live |
| Sanwa BioTech Investment Limited | Private company limited by shares | Live |
| SBCVC IV Biotech Company Limited | Private company limited by shares | Live |
| SCHWEITZER BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIOTECH SCIENTIFIC LIMITED | Private company limited by shares | Live |
| Tokyo Biotech (Japan) Kyoto Scientific Research Limited | | Live |
| Scivision Biotech Inc Limited | | Live |
| SEIT Biotech Company Limited | Private company limited by shares | Dissolved |
| Senochem Biotech Co., Limited | Private company limited by shares | Live |
| Senovac Biotech Limited | | Live |
| SENTEC BIOTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BIO-TECH ENVIRONMENTAL SERVICE LIMITED | Private company limited by shares | Dissolved |
| BIO-TECH ENVIRONMENTAL SERVICE LIMITED | Private company limited by shares | Live |