| Kingston Barnes Limited | Administrative & support | 2010 |
| Kingston Eyecare Limited | Health & social care | 2007 |
| Kingston Handyman Services Limited | Construction | 2017 |
| Kingston Lodge Limited | Real estate | 2007 |
| Kingston Project Management Limited | Construction | 2020 |
| Kingston Veterinary Group Limited | Extraterritorial | 2006 |
| Kingston Web Development Ltd | Information & communication | 2020 |
| Kingsview (Kingswood) Management Limited | Real estate | 2007 |
| Kingsway Court Kingswood Management Company Limited | Households | 2013 |
| Kingsweston Yard Ltd | Households | 2017 |
| Kingswood Accountancy (Bristol) Ltd | Professional & scientific | 2022 |
| Kingswood Autocare Bristol Ltd | Wholesale & retail | 2020 |
| Kingswood Autocare Limited | Wholesale & retail | 2010 |
| Kingswood CAB Company Limited | Transport & logistics | 2013 |
| Kingswood Canvas Limited | Manufacturing | 1978 |
| Kingswood Community Housing CIC | Health & social care | 2022 |
| Kingswood Construction Limited | Construction | 1984 |
| Kingswood Domestic Appliances Limited | Other services | 2011 |
| Kingswood Fields Residents Management Company Limited | Households | 2017 |
| Kingswood Garage Limited | Wholesale & retail | 2025 |
| Kingswood Gymnastics & Trampolining Club Ltd | Arts & recreation | 2008 |
| Kingswood Heights Block a (Management) Company Limited | Households | 2004 |
| Kingswood Heights Block B (Management) Company Limited | Households | 2004 |
| Kingswood Heritage Museum Trust | Arts & recreation | 1991 |
| Kingswood MOT Centre Limited | Wholesale & retail | 2026 |
| Kingswood Realty Ltd | Real estate | 2024 |
| Kingswood RFC Ltd | Arts & recreation | 2014 |
| Kingswood Store Ltd | Wholesale & retail | 2024 |
| Kingswood Takeaway Ltd | Hospitality | 2026 |
| Kingswood Taxis Ltd | Transport & logistics | 2020 |
| Kingswood Tyre Services Ltd | Wholesale & retail | 2025 |
| Kington Farms Limited | Agriculture & fishing | 2012 |
| Kingwell Stud Limited | Agriculture & fishing | 2023 |
| Kinherit Ltd | Information & communication | 2018 |
| Kinmet Limited | Hospitality | 2019 |
| Kinnaird Solutions Ltd | Information & communication | 2018 |
| Kinneir Dufort Bidco Limited | Financial services | 2016 |
| Kinneir Dufort Topco Limited | Financial services | 2016 |
| Kinspire Real Estate Limited | Construction | 2018 |
| Kintopia Beauty Ltd | Manufacturing | 2023 |
| Kinvault Ltd | Information & communication | 2025 |
| Kinversi Ltd | Wholesale & retail | 2026 |
| Kinward Films Ltd | Information & communication | 2024 |
| KIP Hideaways Ltd | Administrative & support | 2019 |
| KIP20 Limited | Transport & logistics | 2021 |
| Kipimo Solutions LLP | | 2022 |
| Kipina Worldwide Licensing Limited | Education | 2018 |
| Kirby Construction Limited | Construction | 2003 |
| Kiri Tong Ltd | Arts & recreation | 2024 |
| Kirisport Ltd | Other services | 2017 |
| Kirkee Holdings Limited | Financial services | 2024 |
| Kirkee Limited | Construction | 2018 |
| Kirkham & Young Ltd | Professional & scientific | 2024 |
| Kirkland Communications Limited | Administrative & support | 2019 |
| Kirklees Schools Investment Company Limited | Professional & scientific | 2001 |
| Kirklees Schools Services Limited | Real estate | 2000 |
| Kirpa Portfolio Ltd | Real estate | 2026 |
| Kirpajazz Limited | Real estate | 2023 |
| Kirribilli Trading Limited | Hospitality | 2013 |
| KIS Fire and Security Ltd | Administrative & support | 2019 |
| KIS Properties Limited | Real estate | 2020 |
| KIS Sushi Limited | Hospitality | 2025 |
| Kisa Cleaning Ltd | Administrative & support | 2026 |
| Kiselo Productions Limited | Information & communication | 2024 |
| Kismet Accounts Ltd | Professional & scientific | 2025 |
| Kismet Management Group Ltd | Professional & scientific | 2025 |
| Kiss My Glass Ltd | Extraterritorial | 2020 |
| Kiss My Pixel Limited | Professional & scientific | 2007 |
| Kiss My Pixel TV Limited | Professional & scientific | 2013 |
| Kissack Apparel Ltd | Wholesale & retail | 2026 |
| Kissack Inway Ltd | Wholesale & retail | 2026 |
| Kist Partners Ltd | Wholesale & retail | 2024 |
| Kisumu Harper Services Ltd | Health & social care | 2020 |
| KIT Ruay Thong Food View Ltd | Hospitality | 2022 |
| KIT Studio Ltd | Manufacturing | 2018 |
| Kitacon Events Committee Ltd | Arts & recreation | 2014 |
| Kitcat Payroll & HR Services Ltd | Professional & scientific | 2025 |
| Kitchen & Bathroom Installations (Wales & West) Ltd | Construction | 2019 |
| Kitchen Artillery Limited | Wholesale & retail | 2020 |
| Kitchen Cake Ltd | Hospitality | 2025 |
| Kitchen Shrink Ltd | Health & social care | 2026 |
| Kitchen Table Publishing Limited | Information & communication | 2000 |
| Kitchen Wang Limited | Hospitality | 2021 |
| Kitchen Wrappers Bristol Limited | Manufacturing | 2024 |
| Kitchens by Clark Ltd | Manufacturing | 2017 |
| Kite Lets Ltd | Real estate | 2026 |
| Kites Enterprises Limited | Real estate | 2013 |
| Kitnetic Ltd | Information & communication | 2010 |
| Kitson Consulting Limited | Information & communication | 2009 |
| Kitson Services Limited | Health & social care | 2025 |
| Kitsune Books Limited | Wholesale & retail | 2023 |
| Kitten 999 Ltd | Health & social care | 2026 |
| Kittlety Properties Ltd | Real estate | 2025 |
| Kitto Construction Limited | Construction | 1989 |
| Kitto Developments Limited | Extraterritorial | 1980 |
| Kitto Group Public Limited Company | Financial services | 1980 |
| Kitto Joinery Limited | Manufacturing | 1980 |
| Kitto's Stickers Ltd | Manufacturing | 2024 |
| Kitts Green Holiday Lettings and Storage Ltd | Real estate | 2017 |
| Kitts Green Nursery Ltd | Wholesale & retail | 2023 |