- SERGEANT SECURITY LIMITEDDisolved- 14267945 - Dissolved on 5 December 2023 
- TYREL SERGEANT LIMITED- 15895672 - Incorporated on 13 August 2024 
- C.ARTHURDissolved- 05669201 - Dissolved on 23 August 2011 
- John William, Mr. GIBSON- Born August 1968 - 10 Northmoor Road, Oxford, OX2 6UP 
- William John, Mr. GRAHAM- Born March 1981 - 2 Crossways Business Centre Bicester Road, Kingswood, Aylesbury, England, HP18 0RA 
- C. ARTHURDisolved- 09322062 - Dissolved on 26 April 2022 
- William John, Mr. THOMAS- Born June 1986 - 37a Voltaire Road, London, England, SW4 6DD 
- William John, Mr. YELLOP- Born June 1961 - 34-35 Clarges Street, Mayfair, London, United Kingdom, W1J 7EJ 
- John William, Mr. COMBER- Born April 1933 - 1 Westlea Court, Dixwell Road, Folkestone, Kent, United Kingdom, CT20 2JB 
- William John, Mr. WALTON- Born January 1979 - 4 Balls Pond Road, London, England, N1 4BG 
- Colin John, Mr. WILLIAMS- Born July 1961 - Leonard Curtis House Elms Square, Bury New Road, Whitefield, Greater Manchester, M45 7TA 
- William John, Mr. TEMPLE- Born May 1964 - 1 Hedgerows, Brockley, Bury St. Edmunds, Suffolk, England, IP29 4AF 
- William John, Mr. GRAHAM- Born March 1981 - 5 Hillside Road, Earley, Reading, United Kingdom, RG6 7LP 
- Siu Hong Arthur, Mr. FAN- Born November 1976 - 1 Lothbury, London, EC2R 7DB 
- ARTHUR WILLIAMS CONSULTING LIMITEDDisolved- 07351859 - Dissolved on 16 November 2021 
- DR MATTHEW WILLIAMS MRCVS LTD- 11706517 - Incorporated on 30 November 2018 
- WILLIAM JOHN KEE & SON LIMITED- NI013242 - Incorporated on 12 December 1978 
- MR NEVILLE ALPHONSO JOHNSON & MRS JULIE LYNN DOLAN (THE ANVIL PLACE) WALMLEY UK LIMITEDActive - Proposal to Strike off- 08021904 - Incorporated on 5 April 2012 
- JOHN WILLIAMS CECC LIMITEDDissolved- 07360701 - Dissolved on 29 December 2015 
- JOHNSON & WILLIAMS LIMITEDDisolved- 03450017 - Dissolved on 1 February 2024