| Skilled Pointing & Maintenance Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Skilled Manufacturing Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Skilled Construction Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Skilled Construction Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Skilled Construction Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Skillbeech Services Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Skillbeech Services Limited | | | workplace safety or health violation | 2019 | UK-HSE | £40,393 |
| Skidmore's of Hertford Ltd | | | workplace safety or health violation | 2011 | UK-HSE | £8,000 |
| SKH Commercial Contracts Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Skelton-Thomas Engineering Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Skelton-Thomas Engineering Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Skelton Farming Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Skelton Farming Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Skelair (International) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| SKarchitects Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Skanska Utilities Limited | | | workplace safety or health violation | 2011 | UK-HSE | £27,000 |
| Skanska Construction UK Limited | Skanska | construction and engineering | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Skanska Construction UK Limited | Skanska | construction and engineering | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Skansen Group Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Skamps Pre-School Day Nursery | | | care quality violation | 2022 | UK-OFSTED | £0 |
| SK Joiners Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| SK Civil Engineering Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| SJW Joinery & Building Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £10,298 |
| SJT Site Management Limited | | | workplace safety or health violation | 2014 | UK-HSE | £1,452 |
| SJT Building Work Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| SJT Building & Joinery Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| SJS Property Management Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| SJS Property Management Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| SJS Property Management Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| SJS Developments Ltd | The Very Group | retailing | workplace safety or health violation | 2018 | UK-HSE | £0 |
| SJS Construction Consultancy Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SJH Renovations Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SJH Renovations Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SJH Renovations Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SJH Renovations Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SJH Renovations Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| SJE Construction LTD | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| SJD Property Services Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| SJD Property Services Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| SJ Engineering Specialists Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| SJ Contractor London Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Sixteen3 Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Sixteen3 Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Sixteen3 Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Sixteen3 Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Sixteen3 Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Sixteen South West Ltd | | | workplace safety or health violation | 2015 | UK-HSE | £7,009 |
| Sitting Firm Chairmakers Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Sitting Firm Chairmakers Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Sitting Firm Chairmakers Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Sitraben Contract Furniture Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Sitraben Contract Furniture Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Sitraben Contract Furniture Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Sitraben Contract Furniture Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Sitraben Contract Furniture Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Sitraben Contract Furniture Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Sitraben Contract Furniture Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Sitraben Contract Furniture Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Sitraben Contract Furniture Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| SITR Midlands Associates Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SITR Midlands Associates Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SITR Midlands Associates Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SITR Midlands Associates Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SITR Midlands Associates Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Siteserv Recycling (Waste Paper) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £34,215 |
| Siteserv Recycling (SW) Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Siteserv Recycling (SW) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Site Weld Construction | | | workplace safety or health violation | 2011 | UK-HSE | £50 |
| Site Hire Services Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Site Hire Services Ltd | | | workplace safety or health violation | 2014 | UK-HSE | £8,233 |
| Site & Offshore Specialists Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Sismatico (UK) Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Sisk Rail | | | workplace safety or health violation | 2015 | UK-ORR | £22,314 |
| Sirius Remediation Limited | | | workplace safety or health violation | 2013 | UK-HSE | £55,000 |
| Sirius Foods Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Sirius Foods Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Sirius Civil Engineering Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Sirhowy Valley Foods Limited | | | workplace safety or health violation | 2011 | UK-HSE | £14,914 |
| Sirg UK Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Sirap UK Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Sirap UK Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Sirap UK Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Sirap UK Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Sirap UK Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Sirap UK Limited | | | workplace safety or health violation | 2017 | UK-HSE | £151,061 |
| Sirap UK Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Sirap UK Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Sirap UK Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Sir Robert McAlpine Limited | Sir Robert McAlpine Limited | construction and engineering | workplace safety or health violation | 2016 | UK-HSE | £298,299 |
| Sir Robert McAlpine Limited | Sir Robert McAlpine Limited | construction and engineering | workplace safety or health violation | 2011 | UK-HSE | £29,000 |
| Sir Robert McAlpine Limited | Sir Robert McAlpine Limited | construction and engineering | workplace safety or health violation | 2011 | UK-HSE | £217,790 |
| Sir Herbert Leon Academy | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Sir Henry Recruitment Ltd | | | care quality violation | 2022 | UK-RQIA | £0 |
| SIPS Industries Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| SIPS Industries Limited | | | workplace safety or health violation | 2015 | UK-HSE | £7,000 |
| Sipling Covermakers Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Sipling Covermakers Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SIP Specialists Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| SIP Building Systems Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Sintl Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Singlewood Developments Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
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