| S.A.BRAIN & COMPANY,LIMITED | Beverages | 1897 | Group accounts |
| ROM LIMITED | Fabricated metal products | 1926 | Full accounts |
| MINERVA LABORATORIES LIMITED | Other manufacturing | 1930 | Total exemption (full) |
| FLETCHERS BAKERIES LIMITED | Food products | 1930 | Full accounts |
| WALTER ROGERS (PRINTERS) LIMITED | Printing and recorded media | 1954 | Total exemption (full) |
| DARWINS HOLDINGS LIMITED | Basic metals | 1957 | Full accounts |
| ELMATIC (CARDIFF) LIMITED | Electrical equipment | 1962 | Unaudited abridged |
| MS-GROUP LIMITED | Glass, ceramics, cement and stone | 1964 | Total exemption (full) |
| HUNTLEIGH HEALTHCARE LIMITED | Other manufacturing | 1968 | Full accounts |
| CARDIFF GALVANIZERS (1969) LIMITED | Fabricated metal products | 1969 | Total exemption (full) |
| NEATH COACHBUILDERS LIMITED | Motor vehicles and parts | 1971 | Full accounts |
| INTENSION (UK) LIMITED | Other manufacturing | 1972 | Total exemption (full) |
| PANASONIC MANUFACTURING U.K. LTD. | Computers, electronics and optics | 1974 | Full accounts |
| CAMBRIAN CONSTRUCTION EQUIPMENT LIMITED | Electrical equipment | 1974 | Total exemption (full) |
| TOTALAIR H & V LIMITED | Fabricated metal products | 1977 | Total exemption (full) |
| PENN PHARMACEUTICAL SERVICES LIMITED | Pharmaceuticals | 1977 | Full accounts |
| RFA - TECH LTD | Fabricated metal products | 1977 | Full accounts |
| OSHKOSH AEROTECH UK LIMITED | Machinery and equipment | 1978 | Full accounts |
| TRAKER ENGINEERING LIMITED | Other manufacturing | 1979 | Total exemption (full) |
| EUROCLAD GROUP LIMITED | Fabricated metal products | 1980 | Full accounts |
| ALAR ENGINEERING LIMITED | Fabricated metal products | 1981 | Total exemption (full) |
| 7 STEEL SERVICE (UK) LIMITED | Fabricated metal products | 1984 | Full accounts |
| WAFER TECHNOLOGY LIMITED | Other manufacturing | 1984 | Audit-exempt subsidiary |
| ULTRAPHARM LIMITED | Food products | 1984 | Full accounts |
| FIDDES & SON LIMITED | Chemicals | 1984 | Small company accounts |
| TEMPO EUROPE LIMITED | Computers, electronics and optics | 1985 | Small company accounts |
| BBI ENZYMES (USA) LIMITED | Chemicals | 1985 | Small company accounts |
| LABELNEEDS LIMITED | Printing and recorded media | 1986 | Total exemption (full) |
| DACEY LTD | Leather goods and footwear | 1987 | Total exemption (full) |
| IQE (EUROPE) LIMITED | Computers, electronics and optics | 1987 | Audit-exempt subsidiary |
| LODGESONS LIMITED | Electrical equipment | 1987 | Total exemption (full) |
| CARDIFF MARBLE & TERRAZO COMPANY LIMITED | Other manufacturing | 1987 | Total exemption (full) |
| EUROTEK DESIGNS LIMITED | Electrical equipment | 1988 | Total exemption (full) |
| GYRUS MEDICAL LIMITED | Other manufacturing | 1989 | Full accounts |
| ENVITECH LTD | Other manufacturing | 1989 | Total exemption (full) |
| DYNIC (UK) LTD | Printing and recorded media | 1989 | Group accounts |
| RELIATEC LIMITED | Repair and installation of machinery | 1989 | Total exemption (full) |
| METROWELD WALES LIMITED | Repair and installation of machinery | 1990 | Total exemption (full) |
| ULTRAWAVE LIMITED | Electrical equipment | 1990 | Total exemption (full) |
| BIOCATALYSTS LIMITED | Chemicals | 1990 | Group accounts |
| TAILS & THE UNEXPECTED LIMITED | Clothing | 1991 | Total exemption (full) |
| PELICAN HEALTHCARE LIMITED | Other manufacturing | 1991 | Full accounts |
| CARDIFF LIFT COMPANY LIMITED | Machinery and equipment | 1991 | Total exemption (full) |
| GRAYTON ENGINEERING LIMITED | Repair and installation of machinery | 1992 | Full accounts |
| M H AUTOMATION INTERNATIONAL LIMITED | Computers, electronics and optics | 1994 | Total exemption (full) |
| EURO QUALITY COATINGS LIMITED | Fabricated metal products | 1994 | Total exemption (full) |
| EVANS ELECTRICAL LIMITED | Repair and installation of machinery | 1994 | Full accounts |
| SCSS (EXETER) LIMITED | Chemicals | 1994 | Total exemption (small) |
| GALVABLAST LIMITED | Fabricated metal products | 1995 | Total exemption (full) |
| CATERTECH SERVICES LIMITED | Repair and installation of machinery | 1995 | Total exemption (full) |
| ROM GROUP LIMITED | Basic metals | 1996 | Group accounts |
| MEMORY LANE CAKES LIMITED | Food products | 1997 | Full accounts |
| ORANGEBOX LIMITED | Furniture | 1997 | Full accounts |
| ASTRAFORCE LIMITED | Repair and installation of machinery | 1997 | Total exemption (full) |
| OCEANCARE COSMETICS LIMITED | Other manufacturing | 1998 | Total exemption (full) |
| PROSEAL UK LIMITED | Machinery and equipment | 1998 | Full accounts |
| EXPRESS STEELS & FABRICATIONS LIMITED | Fabricated metal products | 1998 | Total exemption (full) |
| HID CORPORATION LIMITED | Electrical equipment | 1998 | Full accounts |
| ADVANCE AIR LIMITED | Repair and installation of machinery | 1998 | Unaudited abridged |
| MARIS (UK) LIMITED | Electrical equipment | 1998 | Total exemption (full) |