| Kajezo Holdings Limited | Financial services | 2024 |
| Kaka Business Solutions Limited | Information & communication | 2020 |
| Kaka Leader Limited | Wholesale & retail | 2013 |
| Kakar Wholesale Limited | Wholesale & retail | 2024 |
| Kakuei Printing Limited | Manufacturing | 1997 |
| KAL Projects Limited | Information & communication | 2012 |
| Kala Consulting Ltd | Information & communication | 2010 |
| Kalai Estates Limited | Real estate | 2024 |
| Kalaimagal Limited | Wholesale & retail | 2022 |
| Kale Management Consultancy Services Limited | Hospitality | 2017 |
| Kalekama Enterprises Ltd | Wholesale & retail | 2009 |
| Kalia HD Limited | Wholesale & retail | 2016 |
| Kalia Investments Ltd | Real estate | 2020 |
| Kalia Limited | Wholesale & retail | 2012 |
| Kalift Ltd | Construction | 2018 |
| Kalk Holdings Limited | Financial services | 2026 |
| Kalkey Jewellery Ltd | Wholesale & retail | 2026 |
| Kallepia Properties Limited | Real estate | 2018 |
| Kallha Estates Limited | Real estate | 2023 |
| Kallis LLP | | 2015 |
| Kallos Running Ltd | Manufacturing | 2025 |
| Kalm Assets Limited | Real estate | 2022 |
| Kalm Estates Ltd | Other services | 2015 |
| Kalm Homes Limited | Households | 2004 |
| Kalm Land Limited | Real estate | 2023 |
| Kaltech UK Limited | Information & communication | 2008 |
| Kalvee Ltd | Information & communication | 2021 |
| Kalyan Jewellery Ltd | Administrative & support | 2013 |
| KAM Tech Limited | Information & communication | 2026 |
| Kamal Property Ltd | Real estate | 2012 |
| Kamala Ltd | Wholesale & retail | 2021 |
| Kamaladevi Skanthatheva Ltd | Extraterritorial | 2024 |
| Kamason CAP Ltd | Other services | 2025 |
| Kambel Consulting Limited | Information & communication | 2017 |
| Kame Catering Limited | Hospitality | 2002 |
| Kami Investments Limited | Real estate | 2023 |
| Kamil Jewellers Ltd | Wholesale & retail | 2024 |
| Kamkus Clinic Limited | Health & social care | 2017 |
| Kamo Barber Stanmore Ltd | Other services | 2024 |
| Kamos Barber Limited | Other services | 2023 |
| Kamps Enterprises Limited | Hospitality | 2024 |
| Kamran OIL Store UK Ltd | Wholesale & retail | 2024 |
| Kams Palace Limited | Hospitality | 2003 |
| Kams Services Ltd | Transport & logistics | 2020 |
| Kamss Limited | Real estate | 2025 |
| Kamz & Co Properties LLP | | 2026 |
| Kana Addison Ltd | Real estate | 2019 |
| Kana Assets Ltd | Real estate | 2025 |
| Kana Chicago Ltd | Real estate | 2021 |
| Kana Commercial Ltd | Real estate | 2019 |
| Kana Cowley 2 Ltd | Real estate | 2023 |
| Kana Cowley Ltd | Real estate | 2019 |
| Kana Holdings Ltd | Real estate | 2019 |
| Kana Hub 2 Ltd | Real estate | 2025 |
| Kana Hub Ltd | Real estate | 2020 |
| Kana Karuna Ltd | Real estate | 2025 |
| Kana Lakes Ltd | Real estate | 2025 |
| Kana Ocean Ltd | Real estate | 2021 |
| Kana SAN Diego Ltd | Real estate | 2021 |
| Kana Ventures Limited | Real estate | 2017 |
| Kana Ventures Staines 2 Ltd | Real estate | 2023 |
| Kana Ventures Staines Ltd | Real estate | 2018 |
| Kanaka Solutions Ltd | Information & communication | 2025 |
| Kanari Limited | Wholesale & retail | 1978 |
| Kanari Properties Limited | Real estate | 1988 |
| Kanari Ventures Limited | Wholesale & retail | 2011 |
| Kanbri (UK) Limited | Real estate | 1997 |
| Kandelia Limited | Wholesale & retail | 2011 |
| Kandiah PVT Ltd | Real estate | 2020 |
| Kandidly Limited | Professional & scientific | 2018 |
| Kandy Store Limited | Manufacturing | 2023 |
| Kane Lennon Property Limited | Real estate | 2026 |
| Kaneez Collection Ltd | Wholesale & retail | 2023 |
| Kangantham Ltd | Real estate | 2025 |
| Kangauz Ltd | Professional & scientific | 2016 |
| Kangmei Chinese Health & Beauty Centre Limited | Health & social care | 2016 |
| Kangnampocha Limited | Hospitality | 2018 |
| Kanhai Consultancy Limited | Information & communication | 2014 |
| Kani Investment Limited | Hospitality | 2009 |
| Kaniani LLP | | 2025 |
| Kanidev Properties Ltd | Real estate | 2024 |
| Kanini Solutions Limited | Information & communication | 2013 |
| Kanishma Saree's Limited | Wholesale & retail | 2018 |
| Kankudi Limited | Hospitality | 2023 |
| Kannan Development Holdings Ltd | Real estate | 2020 |
| Kannan Holdings Ltd | Real estate | 2021 |
| Kannan Property Development Ltd | Real estate | 2009 |
| Kannithoddam Properties Ltd | Real estate | 2020 |
| Kans Developments Limited | Financial services | 2015 |
| Kantaria Consulting Limited | Other services | 2024 |
| Kanu Properties Limited | Real estate | 2021 |
| Kanvi Property Maintenance Limited | Construction | 2025 |
| Kanz Property Ltd | Real estate | 2023 |
| KAP Homes Ltd. | Real estate | 2015 |
| Kapas IT Ltd | Information & communication | 2020 |
| Kapil Hair Studio Limited | Other services | 2021 |
| Kapman Estates Ltd | Real estate | 2026 |
| Kapour Food and Wine Limited | Hospitality | 2021 |
| Kappa Shares Investments Limited | Professional & scientific | 2012 |
| Kappa Shares Limited | Financial services | 2010 |