- FREDERICK GUTHRIE- SL000017 - Incorporated on 19 October 1982 
- ZJAWIONY FREDERICKActive - Proposal to Strike off- 07715197 - Incorporated on 22 July 2011 
- CONRAD LIMITED- 03289873 - Incorporated on 10 December 1996 
- CONRADIE LTD- 14504006 - Incorporated on 24 November 2022 
- BUCKLEY SANDLER INTERNATIONAL LLPActive - Proposal to Strike off- OC394772 - Incorporated on 12 August 2014 
- BERGSON AND SANDLER LIMITEDDisolved- 12707679 - Dissolved on 22 August 2023 
- CONRAD FINANZ L.P.- SL009189 - Incorporated on 4 July 2011 
- CONRAD PAGE LTDActive - Proposal to Strike off- 08210583 - Incorporated on 11 September 2012 
- CONRAD ENERGY (PROPERTY) LIMITED- 10969664 - Incorporated on 19 September 2017 
- CONRAD HOLD LLPActive - Proposal to Strike off- OC392533 - Incorporated on 7 April 2014 
- CONRADINA LTD- 11568360 - Incorporated on 13 September 2018 
- CONRAD (WHITTLESEY) LIMITED- 10969118 - Incorporated on 18 September 2017 
- SANDLER RECRUITMENT CONSULTANCY LIMITEDDissolved- 07924173 - Dissolved on 3 September 2013 
- THE SANDLER CONSULTANCY LIMITED- 07470154 - Incorporated on 15 December 2010 
- SANDLER PROJECT CONSULTANTS LIMITED- 09955511 - Incorporated on 18 January 2016 
- DEAN CONRAD LTDActive - Proposal to Strike off- 11518957 - Incorporated on 15 August 2018 
- CONRADMEP, LTD- 12486151 - Incorporated on 26 February 2020 
- CONRAD BELL LTDDisolved- 13961287 - Dissolved on 27 December 2022 
- A & M PROMOTIONS (UK) LIMITED- 04684391 - Incorporated on 3 March 2003 
- JOHN CONRAD LTDDisolved- 09672736 - Dissolved on 25 October 2022