| Kingfisher Housing (Hull) Limited | Health & social care | 2008 |
| Kingfisheries Limited | Hospitality | 2018 |
| Kings Convenience Store Ltd | Wholesale & retail | 2019 |
| Kings Medical Ltd | Health & social care | 2026 |
| Kingsam Estates Ltd | Real estate | 2020 |
| Kingsbridge Corporate Solutions Limited | Professional & scientific | 2013 |
| Kingsbridge Office Furniture Limited | Manufacturing | 1988 |
| Kingsizeking Limited | Wholesale & retail | 2018 |
| Kingsley Glass Limited | Manufacturing | 2003 |
| Kingsley Quality Frames Limited | Wholesale & retail | 2017 |
| Kingsman Business Performace & Recruitment Ltd | Professional & scientific | 2022 |
| Kingston Access Services Limited | Manufacturing | 2016 |
| Kingston Art Group Limited | Arts & recreation | 2008 |
| Kingston Artistes Agency Limited | Arts & recreation | 2013 |
| Kingston Automotive Ltd | Wholesale & retail | 2015 |
| Kingston Bar and Grill (Hull) Limited | Hospitality | 2012 |
| Kingston Block Pavers Limited | Construction | 2010 |
| Kingston Burger Production Ltd | Wholesale & retail | 2023 |
| Kingston Cabins Limited | Construction | 2016 |
| Kingston Car Services Ltd | Wholesale & retail | 2021 |
| Kingston Carpentry Ltd | Construction | 2025 |
| Kingston Carriage Limited | Wholesale & retail | 2019 |
| Kingston Cars Ltd | Wholesale & retail | 2018 |
| Kingston Catering Limited | Wholesale & retail | 2019 |
| Kingston Cctv Ltd | Administrative & support | 2019 |
| Kingston Clothing Retail Ltd | Wholesale & retail | 2016 |
| Kingston Coin Leisure Limited | Administrative & support | 2018 |
| Kingston Commercial Interiors Limited | Construction | 2007 |
| Kingston Communications (Data) Trustees Limited | Extraterritorial | 2012 |
| Kingston Communications (Hull) Trustees Limited | Professional & scientific | 2013 |
| Kingston Control Systems Limited | Construction | 2018 |
| Kingston Converting Services Limited | Manufacturing | 2002 |
| Kingston Decor Limited | Administrative & support | 2004 |
| Kingston Developments 1882 Ltd | Real estate | 2022 |
| Kingston Diesel Injection Limited | Manufacturing | 1988 |
| Kingston Double Glazing Ltd | Construction | 2018 |
| Kingston Driving School Ltd | Education | 2022 |
| Kingston Electrical Services Ltd | Construction | 2020 |
| Kingston Engineering Company Limited | | 1919 |
| Kingston Fabrications Limited | Manufacturing | 2005 |
| Kingston Flats (Willerby) Limited | Health & social care | 1971 |
| Kingston GAS & Plumbing Services Ltd | Construction | 2023 |
| Kingston Glass Limited | Manufacturing | 1988 |
| Kingston International Forwarding Limited | Transport & logistics | 1982 |
| Kingston Joinery & Building Ltd | Construction | 2026 |
| Kingston Joinery Contractors Limited | Construction | 2007 |
| Kingston Mechanical Services Ltd | Professional & scientific | 2023 |
| Kingston Motor Carriage Engineers (Hull) Ltd | Wholesale & retail | 2014 |
| Kingston Motorcycles Limited | Wholesale & retail | 2026 |
| Kingston Nursery Ltd | Education | 2015 |
| Kingston Plastics Ltd | Manufacturing | 2013 |
| Kingston Plumbing Ltd | Construction | 2024 |
| Kingston Pro-Active Safety Solutions Ltd | Construction | 2026 |
| Kingston Probate Services Ltd | Professional & scientific | 2017 |
| Kingston Property Solutions Limited | Real estate | 2006 |
| Kingston Recruitment Limited | Administrative & support | 1985 |
| Kingston Skip Hire Limited | Water & waste | 2004 |
| Kingston Studios Limited | Health & social care | 2023 |
| Kingston Technologies Group Limited | Information & communication | 2018 |
| Kingston Theatre Hotel Limited(The) | Hospitality | 1986 |
| Kingston Thermal Holdings Limited | Financial services | 2018 |
| Kingston Thermal Limited | Construction | 2002 |
| Kingston Trading (UK) Limited | Wholesale & retail | 2012 |
| Kingston Welding Limited | Manufacturing | 2008 |
| Kingston Wesley Community Projects Limited | Real estate | 2005 |
| Kingston Wharf Management Company Limited | Households | 1988 |
| Kingston Windows Limited | Manufacturing | 1990 |
| Kingstown Clippers Ltd | Manufacturing | 2023 |
| Kingstown Computers Ltd | Information & communication | 2014 |
| Kingstown Investments Ltd | Real estate | 2026 |
| Kingstown Shipping Limited | Transport & logistics | 1986 |
| Kingstown Site Services Limited | Administrative & support | 2017 |
| Kingstown Studio CIC | Arts & recreation | 2013 |
| Kingstown Works Limited | Construction | 2006 |
| Kingswood Parks Landscaping Ltd | Administrative & support | 2019 |
| Kingswood Sun Ltd | Other services | 2026 |
| Kingtree GAS & Plumbing Limited | Construction | 2009 |
| Kinship Property Group Ltd | Construction | 2017 |
| Kintech Limited | Manufacturing | 2008 |
| Kipawa Services Limited | Health & social care | 2024 |
| Kirby Advisory Services Limited | Administrative & support | 2025 |
| Kirby's Kosmetics Salon & Academy Ltd | Education | 2020 |
| Kirk Electrical Limited | Construction | 2012 |
| Kirk Ella Properties Limited | Other services | 2004 |
| Kirk House RTM Company Limited | Households | 2017 |
| Kirk Investments (Holdings) Limited | Financial services | 2026 |
| Kirk Refrigeration Limited | Construction | 2005 |
| Kirkby Holdings Ltd | Real estate | 2021 |
| Kirkby Meadows Management Company Limited | Households | 2020 |
| Kirke Inspection Limited | Professional & scientific | 2021 |
| Kirke Property Limited | Real estate | 2025 |
| Kirkella Brands Limited | Wholesale & retail | 2026 |
| Kirkella Gardening Service's Limited | Administrative & support | 2022 |
| Kirkella Mansions Limited | Health & social care | 1992 |
| Kirkella Property Partners Limited | Real estate | 2026 |
| Kirkwoodcompany Ltd | Information & communication | 2025 |
| Kirncroft Engineering Limited | Manufacturing | 1979 |
| Kirsty Lillian Edit Limited | Other services | 2020 |
| Kirsty's Childminding Ltd | Health & social care | 2023 |
| KIS Finance Limited | Financial services | 2008 |