| KELVIN N&G INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KELVIN LAI INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KELVIN INVESTMENT LIMITED | Private company limited by shares | Live |
| KELVIN & KENNETH INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| Kelvin Investments Limited | | Live |
| Jenny & Kelvin Investments Limited | Private company limited by shares | Live |
| KELVIN & MARK LIMITED | Private company limited by shares | Dissolved |
| KELVIN METALWARES COMPANY LIMITED | Private company limited by shares | Live |
| KELVIN MOTORS LIMITED | Private company limited by shares | Dissolved |
| Kelvin Luk Production Limited | | Live |
| KELVIN PRECISION PRODUCTS COMPANY LIMITED | Private company limited by shares | Live |
| KELVIN KONG STUDIO LIMITED | | Live |
| KELVIN (HK) TECH CO., LIMITED | Private company limited by shares | Live |
| KELVIN TECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| Kelvin Tourism Investment Limited | Private company limited by shares | Live |
| BEAUTY KELVIN TRADING 1 LIMITED | | Live |
| BEAUTY KELVIN TRADING 2 LIMITED | | Live |
| BEAUTY KELVIN TRADING 3 LIMITED | | Live |
| BEAUTY KELVIN TRADING 4 LIMITED | | Live |
| BEAUTY KELVIN TRADING 5 LIMITED | | Live |
| KELVIN ELECTRIC TRADING COMPANY LIMITED | Private company limited by shares | Live |
| KELVIN TRADING AND GARMENT FACTORY LIMITED | Private company limited by shares | Dissolved |
| Kelvin Yan International Trading Limited | | Live |
| VINCENT KELVIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| Kelvin Wealthy Limited | Private company limited by shares | Live |
| Kelvin & Wensley International Limited | Private company limited by shares | Live |
| KELVIN WONG EDUCATION CENTER LIMITED | Private company limited by shares | Live |
| Kelvin Wong Restaurant (H.K.) Limited | | Live |
| KELVINGHAM LIMITED | Private company limited by shares | Dissolved |
| KELVINH LIMITED | | Live |
| KELVINLAM 1 LIMITED | | Live |
| KELVINLAM 2 LIMITED | | Live |
| KELVINLAM 3 LIMITED | | Live |
| KELVINLAM 4 LIMITED | | Live |
| KELVINLONGDEUX COMPANY LIMITED | Private company limited by shares | Live |
| KELVINLONGQUATRE COMPANY LIMITED | Private company limited by shares | Live |
| KELVINLONGTROIS COMPANY LIMITED | Private company limited by shares | Live |
| KELVINLONGUN COMPANY LIMITED | Private company limited by shares | Live |
| KELVIN'S CLIENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KELVIN'S FASHION MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| KELVIN'S GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| KELVIN'S KITCHEN COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 24-Nov-2015 |
| Kelvin's Landscapes Limited | Private company limited by shares | Live |
| KELVIN'S PHYSIOTHERAPY LIMITED | Private company limited by shares | Live |
| Kelvins Thermal Technology Co., Limited | | Live |
| KELVINSIDE LIMITED | Private company limited by shares | Dissolved |
| KELVINSIDE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Kelvintek Limited | Private company limited by shares | Live |
| KELWAY LIMITED | Private company limited by shares | Dissolved |
| KELWAY ENTERPRISES LIMITED | Private company limited by shares | Live |
| KELWIN LIMITED | Private company limited by shares | Dissolved |
| KELWITH LIMITED | Private company limited by shares | Dissolved |
| KELXCO (HK) LIMITED | Private company limited by shares | Live |
| Kely Limited | Private company limited by shares | Live |
| KELY-CHANCE LIMITED | Private company limited by shares | Dissolved |
| KELY-DUTY LIMITED | Private company limited by shares | Dissolved |
| KELYROI COMPANY LIMITED | Private company limited by shares | Live |
| KELYSITE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |