| Willpack Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Willpack Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Willpack Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Willows Kitchens and Bedrooms Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Willows Kitchens and Bedrooms Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Willows Kitchens and Bedrooms Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Willows Kitchens and Bedrooms Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Willows Kitchens and Bedrooms Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Willows Kitchens and Bedrooms Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Willows Kitchens and Bedrooms Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Willow Veterinary Clinic Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Willow Tyres Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Willow Tyres Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Willow Tyres Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Willow Tyres Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Willow Tyres Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Willow Tyres Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Willow Tree Preschool | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| Willow Tree Healthcare Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Willow Joinery and Shopfitting Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Willow Electronics UK Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Willow Electronics UK Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Willow Electronics UK Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Willow Developments (Howden) Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Willoughby Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Willoughby Farms Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Willmott Partnership Homes Limited | Willmott Dixon Limited | construction and engineering | workplace safety or health violation | 2014 | UK-HSE | £1,273,972 |
| Willmott Dixon Construction Limited | Willmott Dixon Limited | construction and engineering | workplace safety or health violation | 2016 | UK-HSE | £123,472 |
| Willmott Dixon Construction Limited | Willmott Dixon Limited | construction and engineering | workplace safety or health violation | 2011 | UK-HSE | £148,800 |
| Willjammer Consulting Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Willjammer Consulting Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Willjammer Consulting Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Williams Wheel (Abrasives) Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Williams Wheel (Abrasives) Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Williams Rock & Scallop Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Williams Rock & Scallop Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Williams Recycling Centre Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Williams Plant Hire Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Williams Motor Co.(Holdings) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Williams Motor Co.(Holdings) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Williams Metals Recycling Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Williams Metals Recycling Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Williams Homes (Bala) Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Williams Homes (Bala) Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Williams Homes (Bala) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Williams Homes (Bala) Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Williams Homes (Bala) Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Williams Homes (Bala) Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Williams Homes (Bala) Ltd | | | workplace safety or health violation | 2015 | UK-HSE | £67,234 |
| Williams Haulage Limited | | | workplace safety or health violation | 2023 | UK-HSE | £108,400 |
| Williams Hand Baked Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Williams Hand Baked Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Williams Engineering (Northwest) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Williams Engineering (Northwest) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Williams Engineering (Northwest) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Williams Engineering (Northwest) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Williams Engineering (Northwest) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Williams Contractors Limited | | | workplace safety or health violation | 2013 | UK-HSE | £13,070 |
| Williams Builders Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Williams Builders Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Williams Builders Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Williams Build & Design Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Williams Build & Design Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Williams Build & Design Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Williams Autobodies | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Williams Architecture Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Williams and Oakey Engineering Company Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Williams and Oakey Engineering Company Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| William Waugh & Sons (Builders) Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| William Thompson & Son (Dumbarton) Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| William Taylor Engineering Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| William Taylor Engineering Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| William Sword Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| William Sword Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| William Street Nursery | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| William Street Nursery | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| William Street Nursery | | | childcare and educational services violation | 2022 | UK-OFSTED | £0 |
| William Spence (Sheet Metal) Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| William Smith Engineering Limited | | | workplace safety or health violation | 2024 | UK-HSE | £0 |
| William Smith (a Firm) | | | workplace safety or health violation | 2018 | UK-HSE | £8,000 |
| William Sinclair Horticulture Ltd | | | workplace safety or health violation | 2015 | UK-HSE | £13,535 |
| William Sinclair Horticulture Ltd | | | workplace safety or health violation | 2015 | UK-HSE | £23,536 |
| William Say And Co Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| William Say And Co Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| William Say And Co Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| William Say And Co Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| William Richards Sash Windows Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| WILLIAM REID LIMITED | | | workplace safety or health violation | 2017 | UK-HSENI | £0 |
| William Rae (Aberdeen) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| William Patton Agricultural Contractor Limited | | | workplace safety or health violation | 2023 | UK-HSENI | £1,000 |
| William Oliver and Rodman Russell Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| William Oliver and Rodman Russell Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| William Oliver and Rodman Russell Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| William Nicol (Aberdeen ) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| William Nicol (Aberdeen ) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| William Nicol (Aberdeen ) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| William Nicol (Aberdeen ) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| William Munro Construction (Highland) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| William Munro Construction (Highland) Limited | | | workplace safety or health violation | 2015 | UK-HSE | £30,000 |
| WillIam Medcalf Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| WillIam Medcalf Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
