- BS5750 was updated to ISO 9002:1987 in 1988
- updated to ISO 9002:1994 in 1995
- Gained registration to QS9000:1998 in May 1999
- ISO 9002 was replaced by ISO 9001:2000 in 2004
- Registration to Environmental ISO 14001:2004 gained in 2005
These standards are subject to continuous auditing by BSI.