- GALLAGHER POWER FENCE (U.K.) LIMITED- 01660270 - Incorporated on 26 August 1982 
- GALLAGHER PLANT LIMITED- 01129009 - Incorporated on 14 August 1973 
- TJ GALLAGHER LTDDisolved- 15007283 - Dissolved on 17 December 2024 
- AV GALLAGHER LTDDisolved- SC726545 - Dissolved on 20 February 2024 
- NR GALLAGHER LTDDisolved- NI680504 - Dissolved on 18 April 2023 
- GALLAGHER PM LTDDisolved- 12394170 - Dissolved on 4 January 2022 
- AI GALLAGHER LTDDisolved- 13943237 - Dissolved on 23 April 2024 
- SA GALLAGHER LTDLiquidation- 08619797 - Incorporated on 22 July 2013 
- FI GALLAGHER LTDDisolved- 13912951 - Dissolved on 16 January 2024 
- MH GALLAGHER LTDDisolved- 14001935 - Dissolved on 19 March 2024 
- ABBOT PROPERTY SERVICES LIMITEDLiquidation- 05093129 - Incorporated on 5 April 2004 
- GALLAGHER AGGREGATES LIMITED- 02231689 - Incorporated on 17 March 1988 
- URBAN&CIVIC LONGSTANTON LIMITED- 03538959 - Incorporated on 26 March 1998 
- DEACON INSURANCE SERVICES LIMITED- 08506161 - Incorporated on 26 April 2013 
- MJ GALLAGHER LTDActive - Proposal to Strike off- 07285316 - Incorporated on 15 June 2010 
- LF GALLAGHER LTD- 12223566 - Incorporated on 24 September 2019 
- SY GALLAGHER LTDDisolved- 13711222 - Dissolved on 1 April 2025 
- TJ GALLAGHER LTD- 16420487 - Incorporated on 30 April 2025 
- GALLAGHER INTERNATIONAL REINSURANCE BROKING LIMITED- 08272446 - Incorporated on 29 October 2012 
- URBAN&CIVIC GE LAND LIMITED- 00571817 - Incorporated on 21 September 1956