- MRS L FENNELL LTD- 08935121 - Incorporated on 12 March 2014 
- MR DOUGLAS LIMITEDActive - Proposal to Strike off- 08798785 - Incorporated on 2 December 2013 
- MR. RAY MCLAUGHLIN- NI605875 - Incorporated on 24 January 2011 
- FENN & FENN LIMITED- 13214119 - Incorporated on 19 February 2021 
- MR RAYMOND MORAN- NI613031 - Incorporated on 1 June 2012 
- FENN & FENN CONSULTING LTDActive - Proposal to Strike off- 07842387 - Incorporated on 10 November 2011 
- MARTIN RAY BROWN MRB LTDDisolved- 14609085 - Dissolved on 25 June 2024 
- J-FENN LTDDisolved- 12818298 - Dissolved on 13 December 2022 
- FENN LIMITEDLiquidation- 06877007 - Incorporated on 14 April 2009 
- FENNER & FENNER LIMITED- 00502554 - Incorporated on 20 December 1951 
- EB FENN LTD- 14551401 - Incorporated on 20 December 2022 
- FENNL LTDDisolved- 10335353 - Dissolved on 16 November 2021 
- MR RAYMOND GEORGE CONLIN LTDActive - Proposal to Strike off- SC794896 - Incorporated on 11 January 2024 
- MR SIMMS OF RAYLEIGH LIMITEDDissolved- 07769744 - Dissolved on 4 February 2014 
- FENNI 1843 LTDDissolved- 07710370 - Dissolved on 3 July 2012 
- A & S FENNER LTD.Dissolved- 05321429 - Dissolved on 20 January 2015 
- FENNIK LTDActive - Proposal to Strike off- 10526176 - Incorporated on 15 December 2016 
- FENNIX LTD- 15742385 - Incorporated on 25 May 2024 
- FENNEL LTD- 16151815 - Incorporated on 25 December 2024 
- FENNEL LTD- 06194009 - Incorporated on 30 March 2007