| SHEPHARDS (BAKERS) LIMITED | Food products | 1946 | Total exemption (full) |
| W.S.BARRETT & SON LIMITED | Fabricated metal products | 1949 | Total exemption (full) |
| MASTENBROEK LIMITED | Machinery and equipment | 1973 | Small company accounts |
| T. & B. CONTAINERS LIMITED | Paper and paperboard | 1977 | Medium company accounts |
| FOLD HILL FOODS LIMITED | Food products | 1979 | Medium company accounts |
| BOSTON ANORAK COMPANY LIMITED | Clothing | 1981 | Total exemption (full) |
| BERTHOUD SPRAYERS LIMITED | Machinery and equipment | 1986 | Full accounts |
| ROLEC SERVICES LIMITED | Electrical equipment | 1988 | Medium company accounts |
| DOLPHIN PRECISION ENGINEERING LIMITED | Other manufacturing | 1992 | Total exemption (full) |
| RECO SURFACES LTD | Rubber and plastics | 1993 | Small company accounts |
| GRIMME (U.K.) LIMITED | Machinery and equipment | 1993 | Full accounts |
| METSA WOOD UK LIMITED | Wood products | 1995 | Full accounts |
| FRESHPEEL PRODUCE LIMITED | Food products | 1995 | Total exemption (full) |
| E.F.W. LTD. | Food products | 1996 | Audit-exempt subsidiary |
| PORCHER ABRASIVE COATINGS LIMITED | Glass, ceramics, cement and stone | 1996 | Unaudited abridged |
| ENTRANCE MATTING SYSTEMS LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| EAST KIRKBY ENGINEERING CO LIMITED | Repair and installation of machinery | 2000 | Total exemption (full) |
| DANI FOODS LIMITED | Food products | 2001 | Medium company accounts |
| CABLETRONICS LIMITED | Electrical equipment | 2001 | Unaudited abridged |
| PARKINSON HARNESS TECHNOLOGY LIMITED | Electrical equipment | 2001 | Full accounts |
| MAGNUM FABRICATIONS LIMITED | Fabricated metal products | 2003 | Unaudited abridged |
| DWB BOSTON LTD | Wood products | 2003 | Total exemption (full) |
| CHRIS FOUNTAIN LIMITED | Machinery and equipment | 2003 | Total exemption (full) |
| SCOTTS INDUSTRIES LIMITED | Machinery and equipment | 2003 | Total exemption (full) |
| GLOBAL PRINT SERVICES LIMITED | Machinery and equipment | 2004 | Total exemption (full) |
| KEITH COLLINGWOOD LIMITED | Machinery and equipment | 2004 | Unaudited abridged |
| THOMPSON MOTORS (BOSTON) LIMITED | Repair and installation of machinery | 2006 | Total exemption (full) |
| SCOTTS PRECISION MANUFACTURING LIMITED | Machinery and equipment | 2008 | Total exemption (full) |
| LARRINGTON TRAILERS LIMITED | Machinery and equipment | 2009 | Total exemption (full) |
| KALAS PACKAGING LIMITED | Paper and paperboard | 2009 | Total exemption (full) |
| POINTER PET PRODUCTS LIMITED | Food products | 2009 | Audit-exempt subsidiary |
| MAVERICK AUTOMATION LTD | Machinery and equipment | 2010 | Total exemption (full) |
| CRAFTWORK ENGINEERING & SUPPLIES LTD | Fabricated metal products | 2010 | Total exemption (full) |