| Wingham Timber & Mouldings Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Wingham Timber & Moulding Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Wingate Electrical plc | | | workplace safety or health violation | 2016 | UK-HSE | £235,663 |
| Wing On Trading Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Wing On Trading Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Wing On Trading Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Winfield Engineering Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Windymains Timber Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Windymains Timber Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Windymains Timber Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Windymains Timber Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Windymains Timber Limited | | | workplace safety or health violation | 2016 | UK-HSE | £13,334 |
| Windsor Workshops Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Windsor Workshops Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Windsor Homes PLC | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Windsmere Stone & Granite Ltd | | | workplace safety or health violation | 2013 | UK-HSE | £5,457 |
| Windrush Alliance UK Community Interest Company | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Windows To Trade Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Windows To Trade Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Windmill Services Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Windmill Bakery (Coventry) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Windmill Bakery (Coventry) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Windmill Bakery (Coventry) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Windles Group Manufacturing Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Windles Group Manufacturing Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Wincobank Fabrication and Engineering Limited | | | workplace safety or health violation | 2019 | UK-HSE | £34,926 |
| Wincobank Fabrication and Engineering Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Wincobank Fabrication and Engineering Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Wiltshire Plastics (UK) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Wilten Construction Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Wilstead Skip Hire Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Wilsons Accident Repair Centre Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Wilsonart Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Wilson Veterinary Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Wilson Tool International (Europe) Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Wilson Tool International (Europe) Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Wilson Tool International (Europe) Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Wilson Tool International (Europe) Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Wilson Services | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Wilson Services | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Wilson Power Solutions Limited | | | workplace safety or health violation | 2013 | UK-HSE | £7,267 |
| Wilson James Limited | | | workplace safety or health violation | 2018 | UK-HSE | £861,750 |
| Wilson Developments (Scotland) Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Wilson Developments (Scotland) Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Wilson Contractors | | | workplace safety or health violation | 2019 | UK-HSENI | £0 |
| Wilson Building Projects Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Wilson Building Projects Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Wilson Building Projects Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Wilson Building Projects Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Wilson Building Contractors Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Wilson Building Contractors Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Wilson & Wilson Developments Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Wilson & Sons (Engineering) Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Wilson & Sons (Engineering) Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Wilmslow Road Developments Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Wilmslow Road Developments Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Wilmslow Road Developments Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Wilmslow Road Developments Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Willsher Plant (Cornwall) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Willsher Plant (Cornwall) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Willsher Plant (Cornwall) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Willsher Plant (Cornwall) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Willshees Waste & Recycling Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Wills Bros Civil Engineering Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| 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 |
| Willows Green Healthcare Limited | | | care quality violation | 2023 | UK-CQC | £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 | | | care quality violation | 2022 | UK-OFSTED | £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 |
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