The Westminster Group is an English security company, headquartered in Banbury, Oxfordshire, United Kingdom.

[1] In 1990, Westminster Security Systems was acquired by Menvier-Swain Group Plc, at which time Peter Fowler joined the group as Managing Director.

In 2007, Westminster Group was then listed on the AIM market of the London Stock Exchange.

[3] In September 2021, Westminster Group won the prestigious Queen’s Award for Enterprise in International Trade.

[citation needed] Westminster Group signed with the Palace of Westminster to provide, replace and maintain all security screening equipment; and later on, including the Tower of London and Scottish Parliament.