| Linkhorn Plumbing and Heating Limited | 2009 | 31 Dec 2026 (in 80 days) |
| LJC Plumbing & Heating Ltd | 2018 | 30 Apr 2027 (in 200 days) |
| Lock and Lindfield Limited | 2017 | 31 Jan 2027 (in 111 days) |
| Mansfield Mechanical Ltd | 2024 | 31 Dec 2027 (in 445 days) |
| Maximum Solutions Plumbing & Heating Ltd | 2025 | 3 Apr 2027 (in 173 days) |
| Medcalf Plumbing & Heating Limited | 2021 | 31 Dec 2026 (in 80 days) |
| N J Lees Plumbing & Heating Limited | 2007 | 30 Apr 2027 (in 200 days) |
| New Forest Heating and Plumbing Solutions Ltd | 2011 | 31 Mar 2027 (in 170 days) |
| Northstar Energy Limited | 2006 | 30 Sep 2027 (in 353 days) |
| Novo Clean Energy Ltd | 2013 | 31 Dec 2026 (in 80 days) |
| Offington Plumbing Services Limited | 2011 | 29 Jan 2027 (in 109 days) |
| Ojh Bathrooms Limited | 2019 | 31 Dec 2026 (in 80 days) |
| Onspot Plumbing & Heating Ltd | 2026 | 17 May 2028 (in 583 days) |
| Paul Duncliffe Plumbing and Heating Limited | 2006 | 31 Dec 2026 (in 80 days) |
| PF Plumbing Services Limited | 2006 | 31 Dec 2026 (in 80 days) |
| Pierpoint Holdings Limited | 2026 | 16 Jun 2028 (in 613 days) |
| Pinnacle Plumbing Solutions Sussex Ltd | 2025 | 15 Jun 2027 (in 246 days) |
| Precision Build Sussex Ltd | 2010 | 29 Dec 2026 (in 78 days) |
| Prestige Refrigeration and Air Conditioning Ltd | 2026 | 24 May 2028 (in 590 days) |
| Primeheat Sussex Limited | 2016 | 28 Dec 2026 (in 77 days) |
| Protec Mechanical and Electrical Ltd | 2018 | 29 May 2027 (in 229 days) |
| R B Heating Solutions Ltd | 2016 | 30 Sep 2027 (in 353 days) |
| R J Brown (Plumbing & Heating) Limited | 2004 | 30 Jun 2027 (in 261 days) |
| Rad Plumbing Services Limited | 2009 | 31 Mar 2027 (in 170 days) |
| Relentless Mechanical Services Ltd | 2024 | 30 Sep 2027 (in 353 days) |
| Revolution Heating Limited | 2024 | 31 Dec 2027 (in 445 days) |
| Richard Bedson Plumbing & Heating Ltd | 2016 | 31 Dec 2026 (in 80 days) |
| Richard Harding Plumbing and Heating Limited | 2001 | 30 Jun 2027 (in 261 days) |
| S I A Plumbing and Heating Services Limited | 2002 | 31 Jul 2027 (in 292 days) |
| S Phillips Plumbing and Heating Ltd | 2017 | 28 Feb 2027 (in 139 days) |
| Serene Bathrooms Ltd | 2019 | 31 Jan 2028 (in 476 days) |
| Sheff Plumbing & Heating Limited | 2014 | 30 Jun 2027 (in 261 days) |
| Shift Air-Conditioning and Refrigeration Ltd | 2026 | 26 May 2028 (in 592 days) |
| Smyth Mechanical Ltd | 2025 | 30 Nov 2027 (in 414 days) |
| Stephen Charman Limited | 2003 | 31 Jul 2027 (in 292 days) |
| Surefix Group 24/7 Ltd | 2025 | 17 Sep 2027 (in 340 days) |
| Sussex Renewable Heating Ltd | 2023 | 31 Oct 2027 (in 384 days) |
| TDHC Heating Limited | 2017 | 31 Jan 2027 (in 111 days) |
| Thameswood Engineering Ltd | 2026 | 25 May 2028 (in 591 days) |
| Vincent Aprax Ltd | 2012 | 31 Aug 2027 (in 323 days) |
| Ward Gas Services Limited | 1992 | 30 Jun 2027 (in 261 days) |
| Worthing Plumbing & Heating Limited | 2011 | 31 Dec 2026 (in 80 days) |
| WPH Building Services Limited | 2025 | 24 Oct 2026 (in 12 days) |
| XBG Plumbing & Heating Ltd | 2003 | 31 May 2027 (in 231 days) |