| JAMES DONALDSON GROUP LTD | Wood products | 1919 | Group accounts |
| ROBERT BOSCH LIMITED | Electrical equipment | 1924 | Full accounts |
| MCDONALD WATER STORAGE LTD | Fabricated metal products | 1945 | Small company accounts |
| EUROCASTORS LIMITED | Fabricated metal products | 1968 | Total exemption (full) |
| MCLEOD & HIGGINS (ROOFING CONTRACTORS) LIMITED | Other manufacturing | 1974 | Audit-exempt subsidiary |
| HALDANE (UK) LIMITED | Wood products | 1975 | Total exemption (full) |
| DUCTFORM VENTILATION (U.K.) LTD. | Fabricated metal products | 1977 | Total exemption (full) |
| GLENDALE PLASTICS LIMITED | Rubber and plastics | 1979 | Group accounts |
| ARDMEL AUTOMATION LIMITED | Rubber and plastics | 1980 | Small company accounts |
| REMENCO LIMITED | Fabricated metal products | 1980 | Total exemption (full) |
| GLENDALE MOULDINGS LIMITED | Rubber and plastics | 1981 | Small company accounts |
| DENHOLM KSW LIMITED | Fabricated metal products | 1982 | Full accounts |
| T J ROSS (JOINERS) LIMITED | Wood products | 1982 | Total exemption (full) |
| PROCLAD INTERNATIONAL FORGING LIMITED | Fabricated metal products | 1983 | Small company accounts |
| ALLSON SPARKLE LIMITED | Beverages | 1984 | Full accounts |
| PHOENIX PRECISION LIMITED | Fabricated metal products | 1986 | Total exemption (full) |
| DONALDSON TIMBER ENGINEERING LIMITED | Wood products | 1986 | Full accounts |
| SEMEFAB LIMITED | Computers, electronics and optics | 1986 | Full accounts |
| CLIMATIC SERVICES LIMITED | Repair and installation of machinery | 1986 | Total exemption (full) |
| REEL SERVICE LIMITED | Electrical equipment | 1986 | Small company accounts |
| BLACKWATER MANUFACTURING LIMITED | Fabricated metal products | 1987 | Total exemption (full) |
| SHADOW BLINDS LIMITED | Textiles | 1988 | Unaudited abridged |
| DUSAL LIMITED | Textiles | 1990 | Small company accounts |
| STEADVALE AIR SYSTEMS LIMITED | Repair and installation of machinery | 1992 | Total exemption (full) |
| FLEXEL INTERNATIONAL LIMITED | Electrical equipment | 1993 | Small company accounts |
| BLACHERE ILLUMINATION UK LIMITED | Repair and installation of machinery | 1994 | Small company accounts |
| M H ENGINEERING (FIFE) LIMITED | Fabricated metal products | 1995 | Total exemption (full) |
| PLASTECH GROUP LIMITED | Other manufacturing | 1995 | Total exemption (full) |
| FLEXCON EUROPE LIMITED | Rubber and plastics | 1996 | Full accounts |
| PREMIER ENGRAVING AND SIGNS (SCOTLAND) LIMITED | Printing and recorded media | 1998 | Total exemption (full) |
| JAMES DONALDSON TIMBER LIMITED | Wood products | 1998 | Full accounts |
| HCS CONTROL SYSTEMS LIMITED | Machinery and equipment | 1998 | Full accounts |
| STONECARE (UK) LIMITED | Glass, ceramics, cement and stone | 1999 | Audit-exempt subsidiary |
| SIGN SYSTEMS (SCOTLAND) LTD. | Fabricated metal products | 1999 | Unaudited abridged |
| OCTAGON SPECIALIST ENGINEERING LIMITED | Other manufacturing | 2002 | Unaudited abridged |
| FIFE WINDOWS & DOORS LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| DETECTOR AND SENSOR TECHNOLOGIES LIMITED | Computers, electronics and optics | 2003 | Total exemption (full) |
| TREND TECHNOLOGIES SCOTLAND LIMITED | Fabricated metal products | 2004 | Full accounts |
| DP SYSTEMS (SCOTLAND) LIMITED | Computers, electronics and optics | 2004 | Audit-exempt subsidiary |
| TITE-LITE (UK) LIMITED | Fabricated metal products | 2005 | Total exemption (full) |
| PROCLAD HEAT TREATMENT LIMITED | Fabricated metal products | 2005 | Small company accounts |
| DONALDSON DOOR SYSTEMS LIMITED | Wood products | 2006 | Audit-exempt subsidiary |
| DPS GROUP LTD | Repair and installation of machinery | 2007 | Audit-exempt subsidiary |
| MACBRIDE GROUP LTD | Repair and installation of machinery | 2009 | Total exemption (full) |
| D.P. WINDOWS & DOORS LIMITED | Other manufacturing | 2009 | Total exemption (full) |
| PAINT SYSTEMS LIMITED | Repair and installation of machinery | 2009 | Total exemption (full) |
| QPE LTD. | Computers, electronics and optics | 2010 | Unaudited abridged |