| TENABLE SCREW COMPANY LIMITED | Fabricated metal products | 1940 | Full accounts |
| CABLEDUCT LIMITED | Fabricated metal products | 1940 | Total exemption (full) |
| J. PREEDY & SONS LIMITED | Glass, ceramics, cement and stone | 1942 | Total exemption (full) |
| I WATERMAN (BOX MAKERS) LIMITED | Paper and paperboard | 1942 | Total exemption (full) |
| CORNELIUS & DAVIES LIMITED | Other manufacturing | 1943 | Total exemption (full) |
| DEANS BLINDS AND AWNINGS UK LIMITED | Textiles | 1945 | Total exemption (full) |
| ONESUBSEA UK LIMITED | Machinery and equipment | 1945 | Audit-exempt subsidiary |
| SCOTT SAMUELS LIMITED | Printing and recorded media | 1946 | Total exemption (full) |
| AGATE PRODUCTS LIMITED | Basic metals | 1946 | Total exemption (full) |
| CHAS.MATHEWS(LAPIDARIES)LIMITED | Other manufacturing | 1947 | Total exemption (full) |
| BABCOCK VEHICLE ENGINEERING LIMITED | Motor vehicles and parts | 1947 | Full accounts |
| MOGUL JEWELLERY COMPANY LIMITED | Other manufacturing | 1947 | Total exemption (full) |
| ADIENT SEATING UK LTD | Motor vehicles and parts | 1947 | Full accounts |
| WEDNESFIELD SHOTBLASTING LIMITED | Fabricated metal products | 1947 | Total exemption (small) |
| INTERNATIONAL BULK LIQUIDS (STORAGE AND TRANSPORT) LIMITED | Food products | 1947 | Full accounts |
| BOEING DISTRIBUTION SERVICES III LIMITED | Other manufacturing | 1947 | Full accounts |
| MEDIVANCE INSTRUMENTS LIMITED | Machinery and equipment | 1947 | Unaudited abridged |
| F.D.COPELAND & SONS LIMITED | Other manufacturing | 1948 | Group accounts |
| TENNANTS TEXTILE COLOURS LIMITED | Chemicals | 1949 | Small company accounts |
| FOSECO INTERNATIONAL LIMITED | Chemicals | 1949 | Full accounts |
| RELIANCE VENEER COMPANY LIMITED | Wood products | 1950 | Total exemption (full) |
| MARACOM LIMITED | Repair and installation of machinery | 1951 | Small company accounts |
| GRAPHIC PACKAGING INTERNATIONAL FOODSERVICE EUROPE LTD | Paper and paperboard | 1951 | Full accounts |
| BORGWARNER GATESHEAD LIMITED | Electrical equipment | 1951 | Full accounts |
| W.MACCARTHY & SONS LIMITED | Paper and paperboard | 1952 | Total exemption (full) |
| B & L (HOLDINGS) LIMITED | Other manufacturing | 1952 | Total exemption (full) |
| ANDERS ELECTRONICS PLC | Computers, electronics and optics | 1952 | Group accounts |
| DIAGEO GREAT BRITAIN LIMITED | Beverages | 1952 | Full accounts |
| GUINNESS LIMITED | Beverages | 1952 | Small company accounts |
| PARMELEE LIMITED | Other manufacturing | 1953 | Full accounts |
| ESSEX COIN-OP CONTROL LIMITED | Machinery and equipment | 1953 | Total exemption (full) |
| CROFTON ENGINEERING LIMITED | Fabricated metal products | 1953 | Total exemption (full) |
| L. R. HIMPFEN LIMITED | Other manufacturing | 1953 | Total exemption (full) |
| WHITTON PRECISION LIMITED | Fabricated metal products | 1953 | Total exemption (full) |
| WITTEN INDUSTRIAL DIAMONDS LIMITED | Other manufacturing | 1953 | Total exemption (full) |
| D.D.S.M. (TOOLS) LIMITED | Other manufacturing | 1953 | Total exemption (full) |
| GINA SHOES LIMITED | Leather goods and footwear | 1954 | Full accounts |
| PHILLIPS 66 LIMITED | Coke and refined petroleum | 1954 | Full accounts |
| JP&S UNLIMITED | Fabricated metal products | 1954 | Small company accounts |
| TELEKTRON LIMITED | Machinery and equipment | 1954 | Total exemption (full) |
| VELAN VALVES LIMITED | Machinery and equipment | 1954 | Full accounts |
| ESSEX ENGINEERING WORKS (WANSTEAD) LIMITED | Machinery and equipment | 1955 | Total exemption (full) |
| GRAPHIC PACKAGING INTERNATIONAL BARDON LIMITED | Paper and paperboard | 1955 | Full accounts |
| SERVICE GRAPHICS LIMITED | Printing and recorded media | 1955 | Audit-exempt subsidiary |
| KENNETT & LINDSELL LIMITED | Other manufacturing | 1955 | Total exemption (full) |
| TOTALENERGIES MARKETING UK LIMITED | Coke and refined petroleum | 1955 | Full accounts |
| SPINCRAFT ETG LIMITED | Fabricated metal products | 1955 | Small company accounts |
| VERSALIS UK LTD | Rubber and plastics | 1955 | Full accounts |
| DEESIDE MARINE LTD. | Fabricated metal products | 1956 | Total exemption (full) |
| WAGSTAFF FOUNDRIES LIMITED | Basic metals | 1956 | Total exemption (full) |
| INVISTA (U.K.) HOLDINGS LIMITED | Chemicals | 1956 | Full accounts |
| SPACELABS HEALTHCARE LIMITED | Other manufacturing | 1956 | Full accounts |
| COLD FORMED PRODUCTS LIMITED | Fabricated metal products | 1956 | Small company accounts |
| CUMMINS LTD. | Machinery and equipment | 1956 | Full accounts |
| MOOD MEDIA LIMITED | Printing and recorded media | 1956 | Small company accounts |
| FELIX ROSENSTIEL'S WIDOW & SON LIMITED | Printing and recorded media | 1957 | Total exemption (full) |
| E.A. COMBS LIMITED | Computers, electronics and optics | 1957 | Total exemption (full) |
| INDUSTRIAL HOSE & PIPE FITTINGS LIMITED | Fabricated metal products | 1958 | Audit-exempt subsidiary |
| S.A. EQUIPMENT LIMITED | Electrical equipment | 1958 | Total exemption (full) |
| SAMSON CONTROLS LTD | Fabricated metal products | 1958 | Small company accounts |