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| Pavilion Property Maintenance Specialists Limited | 1997 | 31 Dec 2026 (in 79 days) |
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| R A Electrical Services Limited | 2013 | 27 Dec 2026 (in 75 days) |
| Red Energy Division Ltd | 2014 | 31 Dec 2026 (in 79 days) |
| Renewable UK Solar Ltd | 2026 | 26 Dec 2027 (in 439 days) |
| Resolv Engineering and Electrical Ltd | 2026 | 11 Feb 2028 (in 486 days) |
| Rewired Electrical Brighton Limited | 2016 | 31 Dec 2026 (in 79 days) |
| RGW Electrical Limited | 2019 | 28 May 2027 (in 227 days) |
| RGW Renewables Limited | 2026 | 4 Dec 2027 (in 417 days) |
| RPC Electrical Limited | 2019 | |
| Rse Electrical Contractor Ltd | 2019 | 31 Dec 2026 (in 79 days) |
| S D Shrewsbury Electrical Ltd | 2017 | 31 Aug 2027 (in 322 days) |
| S.Byrne Services Limited | 2018 | 27 Dec 2026 (in 75 days) |
| Saltdean Electrical Ltd | 2023 | 31 Dec 2027 (in 444 days) |
| Securicat Ltd | 2011 | 31 Mar 2028 (in 535 days) |
| Ses Systems (UK) Ltd | 2013 | 31 May 2028 (in 596 days) |
| SGC Property Maintenance (Sussex) Limited | 2015 | 30 Nov 2027 (in 413 days) |
| Skyelec Electrical Contractors Limited | 2024 | 31 Aug 2027 (in 322 days) |
| Smart Building Solutions Engineering Ltd | 2018 | 30 Nov 2026 (in 48 days) |
| South Coast Electrical Services Limited | 2007 | 31 Dec 2026 (in 79 days) |
| Spark Electric Limited | 2016 | 31 Dec 2026 (in 79 days) |
| Spe Electrical Services Ltd | 2018 | 31 Dec 2026 (in 79 days) |
| Spectrum Electrical Team Ltd | 2024 | 30 Sep 2027 (in 352 days) |
| Spence Electrical Limited | 2001 | 28 Feb 2027 (in 138 days) |
| Supermax Plumbing & Bathrooms Ltd | 2022 | 31 Jul 2027 (in 291 days) |
| Sussex Security & Electrical Ltd | 2020 | 30 Jun 2027 (in 260 days) |
| Sweetman Electrical Solutions Ltd | 2020 | 30 Nov 2026 (in 48 days) |
| System 1 Electrical Limited | 2024 | 30 Jun 2027 (in 260 days) |
| T.S.S. Facilities Limited | 1971 | 31 Dec 2026 (in 79 days) |
| Talking Electrical Ltd | 2021 | 31 Jan 2027 (in 110 days) |
| Total Electrical Controls (UK) Limited | 2016 | 31 Dec 2027 (in 444 days) |
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| Volt Harbour Ltd | 2025 | 28 Feb 2027 (in 138 days) |
| Voltagepro Limited | 2025 | 8 Aug 2027 (in 299 days) |
| Vulcan Electrical Services Ltd | 2020 | 28 Feb 2027 (in 138 days) |
| Wavelength Contractors Ltd | 2018 | 30 Nov 2026 (in 48 days) |
| Wingham & Gwynne Electrical Contractors Ltd | 2022 | 31 Mar 2028 (in 535 days) |