| The Companies (Forms) (Amendment) Regulations 1986 | S.I. 1986/2097 |
| The Companies (Forms) (Amendment) Regulations 1988 | S.I. 1988/1359 |
| The Companies Act 1985 (Modifications for Statutory Water Companies) Regulations 1989 | S.I. 1989/1461 |
| The Companies (Forms) (Amendment) Regulations 1990 | S.I. 1990/572 |
| The Definition of Subsidiary (Consequential Amendments) Regulations 1990 | S.I. 1990/1395 |
| The Companies (Forms Amendment No. 2 and Company’s Type and Principal Business Activities) Regulations 1990 | S.I. 1990/1766 |
| The Companies (Forms) Regulations 1991 | S.I. 1991/879 |
| The Companies (Forms) (No.2) Regulations 1991 | S.I. 1991/1259 |
| The Companies (Forms) (Amendment) Regulations 1992 | S.I. 1992/3006 |
| The Companies (Welsh Language Forms and Documents) Regulations 1994 | S.I. 1994/117 |
| The Companies (Welsh Language Forms and Documents) (Amendment) Regulations 1995 | S.I. 1995/734 |
| The Companies (Forms) (Amendment) Regulations 1995 | S.I. 1995/736 |
| The Companies (Forms) (No. 2) Regulations 1995 | S.I. 1995/1479 |
| The Companies (Welsh Language Forms and Documents) (No. 2) Regulations 1995 | S.I. 1995/1480 |
| The Companies (Welsh Language Forms and Documents) (No. 3) Regulations 1995 | S.I. 1995/1508 |
| The Companies (Forms) (Amendment) Regulations 1996 | S.I. 1996/594 |
| The Companies (Welsh Language Forms and Documents) Regulations 1996 | S.I. 1996/595 |
| The Companies (Principal Business Activities) (Amendment) Regulations 1996 | S.I. 1996/1105 |
| The Companies (Forms) (Amendment) Regulations 1998 | S.I. 1998/1702 |
| The Companies (Forms) (Amendment) Regulations 1999 | S.I. 1999/2356 |
| The Companies (Welsh Language Forms) (Amendment) Regulations 1999 | S.I. 1999/2357 |
| The Companies (Forms) (Amendment) (No. 2) Regulations 1999 | S.I. 1999/2678 |
| The Companies (Welsh Language Forms) (Amendment) (No. 2) Regulations 1999 | S.I. 1999/2679 |
| The Companies (Welsh Language Forms) (Amendment) Regulations 2000 | S.I. 2000/2413 |
| The Limited Liability (Welsh Language Forms) Regulations 2001 | S.I. 2001/2917 |
| The Limited Liability Partnerships (Forms) Regulations 2002 | S.I. 2002/690 |
| The Companies (Forms) (Amendment) Regulations 2002 | S.I. 2002/691 |
| The Companies (Principal Business Activities) (Amendment) Regulations 2002 | S.I. 2002/3081 |
| The Limited Liability Partnerships (Welsh Language Forms) Regulations 2003 | S.I. 2003/61 |
| The Companies (Welsh Language Forms) Regulations 2003 | S.I. 2003/62 |
| The Companies (Forms) (Amendment) Regulations 2003 | S.I. 2003/2982 |
| The Companies (Welsh Language Forms) (Amendment) Regulations 2005 | S.I. 2005/2746 |
| The Companies (Forms) (Amendment) Regulations 2005 | S.I. 2005/2747 |
| The Companies (Welsh Language Forms) (Amendment) Regulations 2008 | S.I. 2008/1860 |
| The Companies (Forms) (Amendment) Regulations 2008 | S.I. 2008/1861 |