| HARBISONWALKER INTERNATIONAL LIMITED | Glass, ceramics, cement and stone | 1921 | Audit-exempt subsidiary |
| INNOSPEC LIMITED | Chemicals | 1938 | Full accounts |
| SPEIRS ROBERTSON AND COMPANY LIMITED | Computers, electronics and optics | 1967 | Total exemption (full) |
| K & N FILTERS (EUROPE) LIMITED | Motor vehicles and parts | 1981 | Small company accounts |
| UNICORN LIMITED | Fabricated metal products | 1982 | Total exemption (full) |
| UIL BLENDING SOLUTIONS LIMITED | Food products | 1985 | Total exemption (full) |
| COOK COMPRESSION LIMITED | Machinery and equipment | 1986 | Full accounts |
| CLARK CLAY INDUSTRIES LIMITED | Other manufacturing | 1987 | Small company accounts |
| LESS COMMON METALS LIMITED | Basic metals | 1992 | Full accounts |
| BEVIE PARTNERS LIMITED | Food products | 1992 | Group accounts |
| SIGNS 2 GO LIMITED | Other manufacturing | 1993 | Total exemption (full) |
| THYSON TECHNOLOGY LIMITED | Computers, electronics and optics | 1994 | Full accounts |
| HELUKABEL (UK) LIMITED | Electrical equipment | 1994 | Small company accounts |
| AUTOMOTIVE COMPONENT REMANUFACTURING LIMITED | Machinery and equipment | 1995 | Total exemption (full) |
| FIMARK LIMITED | Other manufacturing | 1997 | Total exemption (full) |
| CAE VENTILATION SERVICES NORTHERN LIMITED | Other manufacturing | 1998 | Total exemption (full) |
| WILKINSON SKIPS LIMITED | Fabricated metal products | 1998 | Total exemption (full) |
| ADVANCED AIR CONDITIONING & REFRIGERATION LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| ESL FUELS LIMITED | Other manufacturing | 2000 | Full accounts |
| C A DESIGN & PRINT LIMITED | Printing and recorded media | 2000 | Total exemption (full) |
| SGS QUAY PHARMACEUTICALS LIMITED | Pharmaceuticals | 2001 | Full accounts |
| RFD BEAUFORT LIMITED | Other manufacturing | 2003 | Full accounts |
| ENSIGN SITE SERVICES LIMITED | Repair and installation of machinery | 2003 | Total exemption (full) |
| RHINO PRODUCTS LIMITED | Ships, aircraft, rail and other transport | 2003 | Full accounts |
| TRU SERVE LASER LIMITED | Repair and installation of machinery | 2003 | Total exemption (full) |
| LOCKS 4 VANS LIMITED | Fabricated metal products | 2003 | Unaudited abridged |
| ELITE GRINDING SERVICES LIMITED | Fabricated metal products | 2003 | Total exemption (full) |
| ALCO MANUFACTURING LIMITED | Basic metals | 2003 | Unaudited abridged |
| D B ENGINEERING SERVICES LIMITED | Fabricated metal products | 2003 | Total exemption (full) |
| RAM (102) LIMITED | Other manufacturing | 2004 | Group accounts |
| KMS HARDRANGE LIMITED | Fabricated metal products | 2006 | Total exemption (full) |
| TIMBER COATERS LTD | Wood products | 2007 | Total exemption (full) |
| ASSET INTEGRITY SOLUTIONS LIMITED | Glass, ceramics, cement and stone | 2007 | Total exemption (full) |
| LAMINATE SOLUTIONS LTD | Chemicals | 2007 | Total exemption (full) |
| L.T.G. (CHESHIRE) LTD | Fabricated metal products | 2008 | Total exemption (full) |
| ACCESS LOCKS & KEY SHOP LTD. | Repair and installation of machinery | 2008 | Total exemption (full) |
| BDC ENGINEERING SERVICES LTD | Fabricated metal products | 2009 | Total exemption (full) |
| TWS (WIRRAL) LIMITED | Clothing | 2009 | Total exemption (full) |
| A & J BLINDS LIMITED | Textiles | 2009 | Total exemption (full) |
| ESSAR OIL (UK) LIMITED | Coke and refined petroleum | 2009 | Group accounts |
| HUBB SYSTEMS LTD | Fabricated metal products | 2009 | Small company accounts |
| ML INDUSTRIAL & MARINE SILENCERS LTD | Fabricated metal products | 2009 | Unaudited abridged |
| PSC MAILING LTD | Printing and recorded media | 2010 | Total exemption (full) |
| METIS AUTOMATION LIMITED | Computers, electronics and optics | 2010 | Total exemption (full) |
| STARLING ENTERPRISES LTD | Electrical equipment | 2010 | Total exemption (full) |
| D.G.COMPONENTS LIMITED | Basic metals | 2010 | Unaudited abridged |
| LED BY DESIGN LTD | Other manufacturing | 2010 | Total exemption (full) |