| K.J.Murphy Guntrade Consultant Ltd | Professional & scientific | 2021 |
| K.T. JUD Social Care Services Ltd | Health & social care | 2017 |
| K.T.Jud Ltd | Health & social care | 2009 |
| K1 Automotive Services Limited | Wholesale & retail | 2023 |
| K3 Projects Ltd | Professional & scientific | 2011 |
| K4K Trans Ltd | Transport & logistics | 2021 |
| KA Property Group Ltd | Real estate | 2024 |
| KA92 Ltd | Professional & scientific | 2023 |
| Kaawaki Limited | Administrative & support | 2023 |
| Kaboom Dance & Fashion Ltd | Manufacturing | 2010 |
| Kadjoy Ltd | Other services | 2020 |
| Kadre Consulting Limited | Information & communication | 2016 |
| Kadshaw Ltd | Information & communication | 2020 |
| KAG Trading Limited | Real estate | 2013 |
| KAI KAI Limited | Health & social care | 2015 |
| Kai-Harding Brothers Services Ltd | Professional & scientific | 2018 |
| Kaiser Social Care Limited | Health & social care | 2024 |
| Kaita Services Ltd | Construction | 2025 |
| Kaizen Executive Leadership Ltd | Professional & scientific | 2022 |
| Kaks Management Ltd | Administrative & support | 2023 |
| Kalasingha Group Ltd | Real estate | 2020 |
| Kalo Homes & Facilities Services Ltd | Real estate | 2019 |
| Kalos Estates Limited | Construction | 2026 |
| Kam's Bargains Limited | Wholesale & retail | 2025 |
| Kamacarz-E Ltd | Wholesale & retail | 2024 |
| Kamal Construction Limited | Construction | 2024 |
| Kamal Contracts Ltd | Construction | 2016 |
| Kamal Developers Ltd | Construction | 2026 |
| Kamfx Services Ltd | Other services | 2018 |
| Kamsi Consulting Ltd | Administrative & support | 2024 |
| KAN Trans Ltd | Transport & logistics | 2018 |
| Kanmibiz Ltd | Health & social care | 2026 |
| KAPP1 Limited | Construction | 2015 |
| Karbo Constructions Limited | Construction | 2015 |
| Karis Ministries | Other services | 2004 |
| Karisla Limited | Health & social care | 2013 |
| Karlan Investment Ltd | Real estate | 2020 |
| Karmay Limited | Professional & scientific | 2022 |
| Kars Investec Ltd | Information & communication | 2022 |
| Kartal Takeaway Ltd | Hospitality | 2022 |
| KARTAL27 Ltd | Hospitality | 2024 |
| Kartar Consultancy Limited | Transport & logistics | 2018 |
| Karzan Pharma Limited | Health & social care | 2023 |
| Kausila Properties Limited | Real estate | 2025 |
| Kawalec Trans Ltd | Transport & logistics | 2020 |
| KAY CEE Courier Limited | Extraterritorial | 2016 |
| Kaya Residency Ltd | Real estate | 2024 |
| Kayak Asset Valuation Agents Ltd | Administrative & support | 2020 |
| Kayfat General Services in Ltd | Administrative & support | 2025 |
| Kaymab Limited | Other services | 2018 |
| Kaysluxe Ltd | Wholesale & retail | 2026 |
| KAZ Financial Consultants Ltd. | Financial services | 2017 |
| Kaziq Ltd | Wholesale & retail | 2021 |
| KB Lifts Ltd | Manufacturing | 2016 |
| KB Sons Limited | Hospitality | 2026 |
| KBJ Construction Ltd | Construction | 2019 |
| KBS IT Ltd | Information & communication | 2023 |
| KCA Civil Engineering Ltd | Construction | 2024 |
| KCJ Cargo Ltd | Transport & logistics | 2016 |
| KCN Ltd | Wholesale & retail | 2015 |
| KD9 Construction Ltd | Construction | 2024 |
| KDC Foods Limited | Wholesale & retail | 2015 |
| KDF Trans Ltd | Transport & logistics | 2022 |
| Kdrs Limited | Professional & scientific | 2004 |
| KDS Hair & Beauty Ltd | Other services | 2023 |
| Kedris Holdings Limited | Real estate | 2026 |
| Keees Ltd | Real estate | 2025 |
| Keem Ltd | Transport & logistics | 2019 |
| Keemart Ltd | Wholesale & retail | 2025 |
| Keeping-N-Real Ltd | Education | 2011 |
| Kegnt Trans Ltd | Transport & logistics | 2023 |
| Keir Training & Recruitment Ltd | Education | 2017 |
| Kemetrav Limited | Administrative & support | 2009 |
| Kemezra Limited | Wholesale & retail | 2024 |
| Kemi Koyejo Ltd | Other services | 2008 |
| Kemps Farm Mews Limited | Construction | 2015 |
| Kengo Logistics Limited | Administrative & support | 2018 |
| Kent and Essex Property Company Limited | Construction | 2007 |
| Kentex Personnel Ltd | Other services | 2019 |
| Kenyon Stone Ltd | Manufacturing | 2022 |
| KER Services Ltd | Transport & logistics | 2018 |
| Kerin Building Ltd | Construction | 2024 |
| Kerr Parker Associates Limited | Professional & scientific | 1998 |
| Kerry Jessica Deacon Ltd | Hospitality | 2024 |
| Kesol Services Limited | Health & social care | 2021 |
| Kestrel Decorating Ltd | Construction | 2026 |
| Ketterer Consultants Ltd | Wholesale & retail | 2014 |
| Kevin's Building Services Ltd | Construction | 2016 |
| Key to the Kingdom Ministry (Ktkm) Ltd | Other services | 2015 |
| Keystone Business Support Limited | Administrative & support | 2026 |
| Keyword Systems Limited | Information & communication | 2011 |
| KGL Contractors Ltd | Construction | 2020 |
| KHK Consulting Limited | Professional & scientific | 2014 |
| Khlozar Homes Ltd | Real estate | 2021 |
| Kicc the Fountain of Grace | Other services | 2018 |
| KID Transport Limited | Transport & logistics | 2024 |
| Kiddies Care Limited | Hospitality | 2020 |
| Kiddle’S Medals Ltd | Administrative & support | 2023 |
| Kids UNI - Day Care Centre Ltd | Education | 2010 |
| Kiisilee Limited | Information & communication | 2026 |