- DAVID STEWART WILLETT- Born January 1964 - 1D ORCHARD LEIGH VILLAS, TWO DELLS LANE, CHESHAM, BUCKINGHAMSHIRE, HP5 3RD 
- DAVID SPENCER WILLETT- Born April 1938 - 7 DOLPHIN CLOSE, FISHBOURNE, CHICHESTER, WEST SUSSEX, PO19 3QP 
- CHRISTOPHER DAVID WILLETT- Born August 1962 - 56 HOLMVILLE ROAD, BEBINGTON, WIRRAL, MERSEYSIDE, CH63 2PZ 
- JAMES DAVID WILLETT- Born June 1965 - 37 DENE DRIVE, LONGFIELD, ENGLAND, DA3 7JR 
- RICHARD DAVID WILLETT- Born September 1938 - 1 NURSERY GARDENS WEST STREET, RYDE, ISLE OF WIGHT, PO33 2DF 
- GRAHAM DAVID WILLETT- Born August 1957 - 22 HOLLYFIELD HOUSE HOLLYFIELD ROAD, SURBITON, SURREY, KT5 9AL 
- WILLETT CONSULTING LIMITEDDisolved- 06291539 - Dissolved on 18 October 2022 
- WILLETT MARINE LIMITED- 08179561 - Incorporated on 14 August 2012 
- ANTHONY WILLETT LIMITED- 04606040 - Incorporated on 2 December 2002 
- WILLETT DEVELOPMENTS LIMITED- 00258971 - Incorporated on 12 September 1931 
- WILLETT & ROSS LIMITEDDissolved- 00996748 - Dissolved on 2 February 2013 
- WILLETT INNS LIMITED- 05276340 - Incorporated on 2 November 2004 
- WILLETT HOLDINGS LTD- 10388891 - Incorporated on 22 September 2016 
- WILLETT SOLUTIONS LTD- 14300298 - Incorporated on 16 August 2022 
- ANNETTE WILLETT LTD- 13982156 - Incorporated on 16 March 2022 
- MICHAEL DAVID WILLETT- Born April 1933 - 2 HOLLINGSWORTH ROAD, CROYDON, SURREY, CR0 5RP 
- David George WILLETT- Born August 1965 - The Hedges, 35 Middle Lane, Cherhill, Wiltshire, SN11 8XX 
- COLIN DAVID WILLETT- Born February 1947 - 1 GEORGE AVENUE, BRIGHTLINGSEA, COLCHESTER, ENGLAND, CO7 0NE 
- DAVID ALLEN WILLETT- Born March 1935 - 21 ERIK ROAD, UNIT 24, MANSFIELD, MASSACHUSSETS 02048, USA 
- Christopher-David WILLETT- Born July 1973 - 24 Hills Road, Cambridge, England, CB2 1JP