| St Matthews Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| St Matthew's RC High School | | | childcare and educational services violation | 2023 | UK-OFSTED | £0 |
| St Matthew's Church of England Primary School | | | childcare and educational services violation | 2018 | UK-OFSTED | £0 |
| St Marys Developments (Norfolk) Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| St Marys Developments (Norfolk) Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| St Marys Church of England Primary Academy | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Marychurch Pre School | | | childcare and educational services violation | 2016 | UK-OFSTED | £0 |
| St Mary's school and sixth form college (part of the Talking Trust) East Sussex Residential Special School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Mary's Osterley Playgroup | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| St Mary's CofE Primary School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Mary's Cathedral Workshop Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St Mary's Cathedral Workshop Limited | | | workplace safety or health violation | 2022 | UK-HSE | £12,000 |
| St Mary's & St Peter's Church School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Mary and St John Junior and Infant School | | | childcare and educational services violation | 2017 | UK-OFSTED | £0 |
| St Mary and St Giles Church of England School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Mary & All Saints Church of England Primary School | | | childcare and educational services violation | 2017 | UK-OFSTED | £0 |
| St Mark and All Saints Church of England Primary | | | childcare and educational services violation | 2017 | UK-OFSTED | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Marcus Fine Foods Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Luke's Nursery | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| St Luke's CofE Primary School | | | childcare and educational services violation | 2018 | UK-OFSTED | £0 |
| St Luke's Church of England School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Leonard's Church of England Primary Academy | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Leger Homes of Doncaster Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| St Leger Homes of Doncaster Limited | | | workplace safety or health violation | 2016 | UK-HSE | £251,086 |
| St Laurence Education Trust North Yorkshire Boarding School | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| St Laurence Church of England School | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| St Josephs Catholic Primary School, Lancaster | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Joseph's Catholic Primary School | | | childcare and educational services violation | 2023 | UK-OFSTED | £0 |
| St Johns College | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St Johns College | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St John's CofE Primary School | | | childcare and educational services violation | 2017 | UK-OFSTED | £0 |
| St John's Church of England Primary School | | | childcare and educational services violation | 2017 | UK-OFSTED | £0 |
| St John's Catholic Primary School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St John Fisher Catholic Voluntary Academy | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St James Label Company Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St James Label Company Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St James Label Company Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St James Label Company Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St James Label Company Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St James Label Company Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St James Label Company Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| St James Label Company Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St James Group Limited | Berkeley Group PLC | real estate | workplace safety or health violation | 2012 | UK-HSE | £614,936 |
| St Ives Bakery Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| St Hild's Church of England School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Helens Waste Recycling Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| ST HELENS MILLENNIUM CENTRE SERVICES LIMITED | | | drug or medical equipment safety violation | 2020 | UK-MHRA | £0 |
| St Gregory's RC Primary School, A Voluntary Academy | | | childcare and educational services violation | 2018 | UK-OFSTED | £0 |
| St Giles Academy | | | childcare and educational services violation | 2018 | UK-OFSTED | £0 |
| St Georges University Hospital NHS Foundation | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| St George's CofE School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St George's CofE First School and Nursery | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St George City Limited | Berkeley Group PLC | real estate | workplace safety or health violation | 2015 | UK-HSE | £137,831 |
| St Gabriel's RC High School, a Voluntary Academy | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Francis Catholic Primary School | | | childcare and educational services violation | 2020 | UK-OFSTED | £0 |
| St Felix Roman Catholic Primary School, Haverhill | | | childcare and educational services violation | 2023 | UK-OFSTED | £0 |
| St Elisabeth's Church of England Primary | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Edmundsbury and Ipswich Diocesan Multi Academy Trust | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| St Edmundsbury and Ipswich Diocesan Multi Academy Trust | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| St Edmund's School Canterbury | | | workplace safety or health violation | 2014 | UK-HSE | £27,669 |
| St David's Building Plastics Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| St Columba CE Primary School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Christopher's School | | | childcare and educational services violation | 2018 | UK-OFSTED | £0 |
| St Christopher's School | | | childcare and educational services violation | 2014 | UK-OFSTED | £0 |
| St Christopher's Hospice | | | workplace safety or health violation | 2012 | UK-HSE | £25,000 |
| St Chads Catholic and Church of England Academy | | | childcare and educational services violation | 2020 | UK-OFSTED | £0 |
| St Chad's Roman Catholic Primary School, a Voluntary Academy | | | childcare and educational services violation | 2020 | UK-OFSTED | £0 |
| ST Building Services (Forres) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| St Augustine's CofE School | | | childcare and educational services violation | 2021 | UK-OFSTED | £0 |
| St Aubyn Estates Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| St Antony's Roman Catholic School, a Voluntary Academy | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Anne's Roman Catholic High School, A Voluntary Academy | | | childcare and educational services violation | 2020 | UK-OFSTED | £0 |
| St Anne's Funhouse | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| St Anne's Catholic Primary School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| St Andrews Road Garage Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Andrews Road Garage Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| St Andrews Lodge | | | fire safety violation | 2015 | UK-DSFRS | £24,500 |
| St Andrews Healthcare | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| St Andrew's Tutorial Services Limited | | | workplace safety or health violation | 2016 | UK-HSE | £39,198 |
| St Albans Scaffolding Limited | | | workplace safety or health violation | 2016 | UK-HSE | £5,942 |
| St Albans Scaffolding Limited | | | workplace safety or health violation | 2016 | UK-HSE | £1,357 |
| St Albans Pre-School | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| St Albans City Football and Athletic Club Limited | | | workplace safety or health violation | 2018 | UK-HSE | £2,000 |
| St Alban's Independent College | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| St Alban's Church of England Primary Academy | | | childcare and educational services violation | 2017 | UK-OFSTED | £0 |
| SST Technology Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| SST Technology Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
