| Radiance Infrared Group Ltd | 2025 | |
| Raj Plumbing Services Ltd | 2016 | 28 Feb 2027 (in 139 days) |
| Ras Plumbing and Heating Ltd | 2020 | 31 Dec 2026 (in 80 days) |
| Ravida Services Ltd | 2026 | 8 May 2028 (in 574 days) |
| Reliable Renewables Heat Pump Servicing Ltd | 2023 | 30 Apr 2027 (in 200 days) |
| Renova Heating Solutions Limited | 2025 | 8 Jan 2027 (in 88 days) |
| Richard W Spencer Plumbing & Heating Ltd | 2020 | 29 Feb 2028 (in 505 days) |
| RM Futures Ltd | 2021 | 30 Jun 2027 (in 261 days) |
| RMC Plumbing and Heating Ltd | 2021 | 30 Sep 2027 (in 353 days) |
| Robin Hood Heating Ltd | 2024 | 30 May 2027 (in 230 days) |
| Royal Oak Gas Heating Services Ltd | 2021 | 28 Feb 2027 (in 139 days) |
| RS Plumbing Heating & Gas Services Limited | 2019 | 31 Dec 2026 (in 80 days) |
| RSS Energy Services Limited | 2022 | 31 Mar 2028 (in 536 days) |
| Rushcliffe Bathrooms and Plumbing Ltd | 2021 | 28 Feb 2027 (in 139 days) |
| S B Plumbing and Heating Services Limited | 2022 | 31 Dec 2026 (in 80 days) |
| S.H Refrigeration & Air Conditioning Ltd | 2019 | 31 Jan 2027 (in 111 days) |
| S.O.A Solutions Ltd | 2016 | 30 Nov 2026 (in 49 days) |
| Saf Plumbing & Heating Limited | 2013 | 31 May 2027 (in 231 days) |
| Safeguard Heating Services Ltd | 2021 | 28 Feb 2027 (in 139 days) |
| Scott Heating Solutions Limited | 2023 | |
| Sebs Plumbing and Heating Limited | 2021 | 31 Jul 2027 (in 292 days) |
| Servgas Ltd | 2018 | 30 Apr 2027 (in 200 days) |
| Seven Springs Gas & Heating Ltd | 2024 | 31 May 2027 (in 231 days) |
| Sharpe Heating Services Limited | 2021 | 31 Oct 2027 (in 384 days) |
| Simpson Brothers Limited | 1981 | 31 Aug 2027 (in 323 days) |
| Simpson Heating Limited | 2018 | 30 Apr 2027 (in 200 days) |
| SLP Property Services Ltd | 2026 | 22 Apr 2028 (in 558 days) |
| Smiths Plumbing, Gas & Renewables Limited | 2026 | 31 Mar 2028 (in 536 days) |
| Smooth Heating Ltd | 2024 | 31 Jan 2027 (in 111 days) |
| Smythe Heating & Plumbing Ltd | 2022 | 30 Jun 2027 (in 261 days) |
| Snaith Property Services Ltd | 2024 | 31 Mar 2028 (in 536 days) |
| Spectrum Air Conditioning Ltd | 2026 | 8 Jun 2028 (in 605 days) |
| Stapleford Plumbing Services Ltd | 2012 | 31 Oct 2026 (in 19 days) |
| Stockton Plumbing & Heating Ltd | 2012 | 31 Dec 2026 (in 80 days) |
| Superior Plumbing Solutions Ltd | 2024 | 29 Feb 2028 (in 505 days) |
| Swallow Brook Ltd | 2014 | 28 Feb 2027 (in 139 days) |
| T Robinson Plumbing & Heating Ltd | 2015 | 28 Feb 2027 (in 139 days) |
| T.B.S FM Limited | 2014 | 30 Oct 2027 (in 383 days) |
| Tag Mechanical & Plumbing Services Limited | 2003 | 1 Oct 2027 (in 354 days) |
| The Fireplace Centre (West Bridgeford) Limited | 1998 | 31 Dec 2027 (in 445 days) |
| TMW Plumbing Services Limited | 2022 | 31 Dec 2026 (in 80 days) |
| Torque Performance & Custom Ltd | 2025 | 31 Jan 2028 (in 476 days) |
| Traps2Taps Ltd | 2026 | 7 Oct 2027 (in 360 days) |
| Trent Plumbing and Heating Limited | 2014 | 28 Feb 2027 (in 139 days) |
| Trent Valley Plumbing & Building Limited | 1973 | 31 Jan 2027 (in 111 days) |
| Trimark Solutions Ltd | 2026 | 25 May 2028 (in 591 days) |
| Vertex Plumbing & Heating Ltd | 2021 | 31 May 2027 (in 231 days) |
| Vivid Nottingham Ltd | 2017 | 31 May 2027 (in 231 days) |
| Warm for Life Limited | 2014 | 31 Dec 2026 (in 80 days) |
| Waterwizards Ltd | 2018 | 30 Nov 2026 (in 49 days) |