| Artwace Limited | Wholesale & retail | 1973 |
| Blackrock Property (Consultants) Ltd | Real estate | 2016 |
| Combidev Ltd | Professional & scientific | 2022 |
| Crannish Properties Limited | Professional & scientific | 1972 |
| Kings Hedges Investments Limited | Real estate | 1997 |
| Liftbourne Limited | Professional & scientific | 1976 |
| Middle Park Stud (1998) Limited | Extraterritorial | 1997 |
| Oftenfact Limited | Real estate | 1992 |
| Panatown Limited | Construction | 1985 |
| Stetchworth Park Bloodstock Limited | Extraterritorial | 1973 |
| Superdrive Limited | Extraterritorial | 1996 |
| T.A.P. Investments Limited | Real estate | 1993 |
| Thorcastle Limited | Real estate | 1973 |
| Unex Cherrygreen Limited | Administrative & support | 1975 |
| Unex Construction Limited | Construction | 1978 |
| Unex Corporation Limited | Real estate | 1978 |
| Unex Econvest Limited | Extraterritorial | 1963 |
| Unex Farms Limited | Administrative & support | 1973 |
| Unex Finance Limited | Administrative & support | 1973 |
| Unex Gredley (Holdings) Limited | Professional & scientific | 1969 |
| Unex Harpenny Limited | Administrative & support | 1976 |
| Unex Investment Properties Limited | Real estate | 1973 |
| Unex Investment Trust Limited | Administrative & support | 1901 |
| Unex Landmass Limited | Professional & scientific | 1973 |
| Unex Mechanical Limited | Professional & scientific | 1968 |
| Unex Nellover Limited | Administrative & support | 1973 |
| Unex Smithfield Limited | Professional & scientific | 1973 |