| Beechwood Plumbing & Gas Services Limited | 2012 | 30 Nov 2026 (in 49 days) |
| Berry's Heating Services Ltd | 2017 | 31 May 2027 (in 231 days) |
| BG Heating & Plumbing Solutions Ltd | 2022 | 28 Feb 2027 (in 139 days) |
| Bifrost Bathrooms and Boilers Ltd | 2026 | 31 Dec 2027 (in 445 days) |
| Black Cab Building Group Ltd | 2022 | 30 Apr 2027 (in 200 days) |
| Blue Cold Ltd | 2026 | 24 Mar 2028 (in 529 days) |
| Blue Flame Services (South West) Limited | 2011 | 31 Dec 2026 (in 80 days) |
| Blue Line Cooling Ltd | 2026 | 22 Apr 2028 (in 558 days) |
| Blue Orca Plumbing and Heating Limited | 2021 | 31 Dec 2026 (in 80 days) |
| Bluetherm Heating Ltd | 2021 | 30 Apr 2027 (in 200 days) |
| BM Heating & Service Limited | 2024 | 31 Aug 2027 (in 323 days) |
| Boost Plumbing Limited | 2019 | 31 Mar 2027 (in 170 days) |
| Boost Plumbing South West Limited | 2026 | 20 Jan 2028 (in 465 days) |
| Boxed Energy Limited | 2012 | 31 Dec 2026 (in 80 days) |
| Bright Plumbing and Heating Limited | 2025 | 13 May 2027 (in 213 days) |
| Bristol & Avon Plumbing & Heating Ltd | 2025 | 1 Aug 2027 (in 293 days) |
| Bristol & West Security Limited | 2014 | 31 Oct 2026 (in 19 days) |
| Bristol Air Conditioning Solutions Limited | 2025 | 19 May 2027 (in 219 days) |
| Bristol Air Source Company Ltd | 2025 | 25 Jan 2027 (in 105 days) |
| Bristol and Bath Air Conditioning Limited | 2025 | 15 Sep 2027 (in 338 days) |
| Bristol and Southwest Plumbing and Heating Ltd | 2018 | 30 Apr 2027 (in 200 days) |
| Bristol Central Heating Ltd | 2018 | 31 Jan 2027 (in 111 days) |
| Bristol City Kitchens and Bathrooms Limited | 2022 | 30 Jun 2027 (in 261 days) |
| Bristol Drain & Plumbing Ltd | 2021 | 31 Dec 2026 (in 80 days) |
| Bristol Gas & Heating Limited | 2009 | 31 Jul 2027 (in 292 days) |
| Bristol Gas Servicing Ltd | 2018 | 31 Aug 2027 (in 323 days) |
| Bristol Home Renovations Ltd | 2022 | 31 Dec 2027 (in 445 days) |
| Bristol Pipeworks Ltd | 2025 | 29 Apr 2027 (in 199 days) |
| Bristol Plumb & Build Ltd | 2026 | 7 Oct 2027 (in 360 days) |
| Bristol Plumbing Company Ltd | 2019 | 31 May 2027 (in 231 days) |
| Bristol Renewable Heat Ltd | 2023 | 31 Oct 2026 (in 19 days) |
| Bristol Renewables Ltd | 2024 | 31 Oct 2027 (in 384 days) |
| Bristol Unigas Limited | 2013 | 31 Aug 2027 (in 323 days) |
| Bristol Woodburners Ltd | 2021 | 31 Dec 2026 (in 80 days) |
| Bristow's Plumbing & Bathrooms Ltd | 2026 | 12 Jan 2028 (in 457 days) |
| BRS All Plumbing and Heating Ltd | 2022 | 31 Dec 2026 (in 80 days) |
| Brunel Heating Services Limited | 2025 | 9 Nov 2026 (in 28 days) |
| BWB Heating Installations Limited | 2017 | 31 Dec 2027 (in 445 days) |
| C Brookes Plumbing and Heating Ltd | 2019 | 31 Jan 2027 (in 111 days) |
| C F Plumbing & Heating Limited | 2003 | 31 Jul 2027 (in 292 days) |
| C R Baines Plumbing and Heating Limited | 2014 | 30 Jun 2027 (in 261 days) |
| C.K.B. Plumbing & Heating Limited | 2011 | 31 Oct 2027 (in 384 days) |
| Calibre Plumbing and Heating Ltd | 2020 | 30 Nov 2027 (in 414 days) |
| Cameron Cooling Limited | 2007 | 31 Dec 2027 (in 445 days) |
| Care Gas Limited | 2020 | 31 Dec 2026 (in 80 days) |
| CDB Plumbing & Heating Bristol Limited | 2024 | 31 Dec 2027 (in 445 days) |
| CG Plumbing Ltd | 2022 | 30 Oct 2026 (in 18 days) |
| CGM Plumbing & Heating Bristol Limited | 2025 | 3 Aug 2027 (in 295 days) |
| CH4 Installations Ltd | 2017 | 28 Feb 2027 (in 139 days) |
| Chaney Heating Ltd | 2012 | 30 Jun 2027 (in 261 days) |