| Ko-Ken (UK) Limited | Wholesale & retail | 2013 |
| KO2 Embedded Recruitment Solutions Ltd | Administrative & support | 2017 |
| Kode 8 Limited | Information & communication | 2016 |
| Kode Capital Ltd | Information & communication | 2025 |
| Koeksister Ltd | Information & communication | 2016 |
| KOG Transport Services Ltd | Transport & logistics | 2023 |
| Kohi (Bolton) Ltd | Hospitality | 2026 |
| Kohi Group Ltd | Financial services | 2026 |
| Kohinoor Restaurant Bolton Limited | Hospitality | 2026 |
| Kohort Limited | Administrative & support | 2021 |
| Kokopelli (Music) UK Ltd | Manufacturing | 2007 |
| Kola Optics Ltd | Health & social care | 2022 |
| Koli Consulting Limited | Information & communication | 2022 |
| Koli Optics Limited | Health & social care | 2016 |
| Koli Property Group Limited | Real estate | 2018 |
| Kolor Bodyworx Ltd | Wholesale & retail | 2017 |
| Komeyl Investments Ltd | Real estate | 2025 |
| Komorebi Coaching Ltd | Professional & scientific | 2025 |
| Konaju Ltd | Health & social care | 2018 |
| Konche Ltd | Wholesale & retail | 2020 |
| Konda Services Limited | Administrative & support | 2021 |
| Kong Worldwide Ltd | Wholesale & retail | 2019 |
| Kongwizard Ltd | Construction | 2025 |
| Konnekt Group Ltd | Financial services | 2025 |
| Konnekt Retail Ltd | Wholesale & retail | 2018 |
| Konquest Motors Ltd | Wholesale & retail | 2025 |
| KOO Cafe Bar Ltd | Hospitality | 2017 |
| KOO Cocktail Bar Ltd | Hospitality | 2024 |
| Koobs Design Ltd | Information & communication | 2010 |
| Kool Kidz OUT of School Club Limited | Education | 2013 |
| Kool MAX Limited | Other services | 2009 |
| Kool Planet Ltd | Construction | 2003 |
| Koolio’S Ltd | Hospitality | 2025 |
| Koolmax Group Ltd | Other services | 2012 |
| Koon YUM House Limited | Hospitality | 2016 |
| Koperhead Limited | Manufacturing | 2020 |
| Kopis Labs Limited | Information & communication | 2023 |
| Kordlas Investments Ltd | Real estate | 2019 |
| Korporix Limited | Professional & scientific | 2021 |
| Kosciuszko Consulting Ltd | Information & communication | 2013 |
| Kositek Ltd | Wholesale & retail | 2023 |
| Kosmic Entrepreneurs Ltd | Real estate | 2020 |
| Kostas Fish and Chips Limited | Hospitality | 2019 |
| Kotek-Io Ltd. | Information & communication | 2017 |
| Kourani Market Ltd | Wholesale & retail | 2026 |
| Kovacs Accountants Ltd | Professional & scientific | 2025 |
| Koveworks Ltd | Information & communication | 2026 |
| Kowloon Digital Ltd | Construction | 2026 |
| Koya Food Bolton Limited | Hospitality | 2024 |
| KP & M Shah Ltd | Other services | 2018 |
| KP Developments (Bolton) Ltd | Real estate | 2025 |
| KP Fitness Limited | Arts & recreation | 2025 |
| KP Labs Limited | Information & communication | 2021 |
| KP Mews (Management) Limited | Real estate | 2023 |
| KP Property Rentals Ltd | Real estate | 2020 |
| KP Wealth Management Ltd | Professional & scientific | 2018 |
| KP123 Holdings Ltd | Professional & scientific | 2018 |
| Kpdj Holdings Limited | Real estate | 2021 |
| KPG Garages Limited | Wholesale & retail | 2024 |
| KPG Insulation Solution Ltd | Construction | 2025 |
| Kpipe Ltd | Construction | 2016 |
| KPS (AG) Ltd | Wholesale & retail | 2021 |
| KPT Projects Ltd | Real estate | 2019 |
| KPT Property Assets Ltd | Real estate | 2026 |
| KPT Property Group Ltd | Administrative & support | 2025 |
| KR Catering Limited | Hospitality | 2012 |
| KR Dental Ltd | Financial services | 2023 |
| KR8 Advisory Limited | Professional & scientific | 2024 |
| KR8 Real Estate Limited | Professional & scientific | 2024 |
| Kraft Independent Porsche Specialists Ltd | Wholesale & retail | 2025 |
| Kram Management Limited | Financial services | 2014 |
| Kram Restaurants Limited | Hospitality | 2004 |
| Kramclo Ltd | Wholesale & retail | 2021 |
| Krasotka Beauty Ltd | Manufacturing | 2026 |
| Krause & Associates Limited | Professional & scientific | 2015 |
| Krave 2.0 Ltd | Hospitality | 2025 |
| Krave Dessert (Bolton) Ltd | Wholesale & retail | 2018 |
| Krave IT Ltd | Hospitality | 2025 |
| Krayr Ltd. | Health & social care | 2016 |
| KRC Investments Limited | Real estate | 2025 |
| KRC Studios Limited | Education | 2023 |
| Krdh Holdings Ltd | Financial services | 2022 |
| Kreative Design Solutions Limited | Professional & scientific | 2007 |
| Kreatrs Media Limited | Information & communication | 2026 |
| Krgk Ltd | Hospitality | 2021 |
| Krhealth Ltd | Health & social care | 2025 |
| Krimax Ltd | Hospitality | 2025 |
| Krimmz Girls Youth Club CIC | Health & social care | 2023 |
| Krishna & Shiv Properties Ltd | Real estate | 2026 |
| Krispy Chicken Blackrod Ltd | Hospitality | 2024 |
| KRM Enviro Ltd | Professional & scientific | 2025 |
| Krmco Holdings Limited | Professional & scientific | 2014 |
| Krmco Limited | Financial services | 2009 |
| Krokop Limited | Professional & scientific | 2021 |
| Kronos Data Ltd | Information & communication | 2022 |
| Kross Kuts Limited | Other services | 2026 |
| Krown Jewels Ltd | Administrative & support | 2024 |
| Krsh Consulting Limited | Information & communication | 2011 |
| Krst FIX Ltd | Construction | 2022 |
| Kruger Stickers Ltd. | Wholesale & retail | 2014 |