Securicor Global Limited | 8th July 1960 to 31st December 1977 |
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Securicor International Limited | 31st December 1977 to 12th November 1991 |
Securicor Security Services Limited | 12th November 1991 to 20th January 1994 |
Securicor International Limited | 20th January 1994 to 1st September 2010 |
G4S International 105 (UK) Limited | 1st September 2010 to current |