- STAFFURTH & UNDERWOOD LIMITEDActive - Proposal to Strike off- 12736804 - Incorporated on 13 July 2020 
- UNDERWOOD MILLER LTD- 12822661 - Incorporated on 19 August 2020 
- TAS UNDERWOOD LIMITED- 09925922 - Incorporated on 22 December 2015 
- MICHELLE UNDERWOOD LIMITED- 12368782 - Incorporated on 18 December 2019 
- UNDERWOOD STREET LIMITEDDisolved- 10812475 - Dissolved on 7 September 2023 
- UNDERWOOD PROPERTIES LTDActive - Proposal to Strike off- 10238409 - Incorporated on 17 June 2016 
- UNDERWOOD HOUSE SCIO- CS003556 - Incorporated on 3 August 2018 
- UNDERWOOD LETTINGS LTDDisolved- 13835774 - Dissolved on 27 June 2023 
- UNDERWOOD BAKES LTDDisolved- 13986523 - Dissolved on 22 August 2023 
- KIRKBY UNDERWOOD LTDActive - Proposal to Strike off- 14021995 - Incorporated on 4 April 2022 
- UNDERWOOD COPYWRITING LTD- 15041176 - Incorporated on 1 August 2023 
- UNDERWOOD CONSTRUCTION LIMITEDDisolved- 15135608 - Dissolved on 30 April 2024 
- UNDERWOOD HOMES LIMITED- 13136148 - Incorporated on 15 January 2021 
- UNDERWOOD SOFTWARE LTD- 15622746 - Incorporated on 6 April 2024 
- WEETMAN (UNDERWOOD) LTD- 16333019 - Incorporated on 21 March 2025 
- PENELOPE WEBB PHYSIO LTD- 13582541 - Incorporated on 24 August 2021 
- NORMAN & UNDERWOOD (GLAZING SYSTEMS) LIMITEDDisolved- 02321983 - Dissolved on 8 October 2024 
- SYNC FORTH LTDDisolved- 12945283 - Dissolved on 17 January 2023 
- UNDERWOOD FLOORING LTDDisolved- 13029106 - Dissolved on 26 April 2022 
- UNDERWOOD VENTURES LIMITED- 14875625 - Incorporated on 17 May 2023