| Krispy Wingz Limited | Hospitality | 2026 |
| Krispyz Chicken Ltd | Hospitality | 2024 |
| Krista Administration Limited | Administrative & support | 2018 |
| Kristal Mind Body Soul Ltd | Wholesale & retail | 2021 |
| Kristensen Holdings Ltd | Construction | 2019 |
| Kritage Limited | Real estate | 2022 |
| Krithi Foods UK Ltd | Wholesale & retail | 2024 |
| Kritik Retail Ltd | Wholesale & retail | 2021 |
| Kriya Advisory (UK) Ltd | Other services | 2017 |
| KRJ Homes Ltd | Real estate | 2026 |
| KRK Group Ltd | Education | 2021 |
| KRL Foods Limited | Hospitality | 2025 |
| KRM Sutton Ltd | Hospitality | 2016 |
| Kroma Technology Limited | Wholesale & retail | 2025 |
| Kronifi Limited | Wholesale & retail | 2025 |
| Krowned K9 Ltd | Administrative & support | 2026 |
| Kroy Investments Limited | Financial services | 1986 |
| Kroyair Holdings Limited | Financial services | 2014 |
| KRP Estates Ltd | Real estate | 2025 |
| KRP Logistics Limited | Professional & scientific | 2019 |
| Krpf Consult Limited | Information & communication | 2018 |
| Krrit Limited | Information & communication | 2013 |
| KRS Healthcare Limited | Wholesale & retail | 2025 |
| KRS Investments Portfolio Limited | Administrative & support | 2021 |
| KRS Medical Ltd | Health & social care | 2021 |
| Kru-Max Ltd | Transport & logistics | 2016 |
| Krueger Kutz Ltd | Other services | 2024 |
| Krupa NO.1 Ltd | Real estate | 2025 |
| Krupp Camford Pressings Limited | Extraterritorial | 1988 |
| Krushna Krupa Trust | Administrative & support | 2006 |
| Kryjer Ltd | Wholesale & retail | 2020 |
| Kryjer Sportswear Ltd. | Wholesale & retail | 2017 |
| Kryla CIC | Administrative & support | 2023 |
| Kryogenix Consulting Ltd | Information & communication | 2013 |
| Krystal Care Limited | Health & social care | 2019 |
| Krystal Care Services Ltd | Health & social care | 2022 |
| Krystal Clear Solutions Limited | Manufacturing | 2021 |
| Krystal Kleen (Birmingham) Ltd | Other services | 2009 |
| Krystal Nails & Spa Limited | Other services | 2022 |
| KRZ Fire Ltd | Construction | 2026 |
| KRZ Group Holdings Limited | Real estate | 2021 |
| KS Birmingham Limited | Hospitality | 2023 |
| KS Consultancy Group Limited | Professional & scientific | 2019 |
| KS Couriers Ltd | Transport & logistics | 2024 |
| KS Electrical Ltd | Construction | 2026 |
| KS Fine Jewellery Limited | Manufacturing | 2025 |
| KS Global Advisory Ltd | Professional & scientific | 2020 |
| KS Global Investments Limited | Real estate | 2023 |
| KS Gourmet Limited | Hospitality | 2025 |
| KS Grillz Ltd | Hospitality | 2026 |
| KS Leasing Group Ltd | Real estate | 2026 |
| KS Mead Ltd | Health & social care | 2025 |
| KS Mechanics Limited | Wholesale & retail | 2026 |
| KS Medical Professionals Ltd | Health & social care | 2023 |
| KS Nagra Properties Limited | Real estate | 2023 |
| KS Ortho Enterprise Ltd | Other services | 2022 |
| KS Real Properties Limited | Real estate | 2016 |
| KS Sales Birmingham Ltd | Wholesale & retail | 2025 |
| KS Shergill Logistics Ltd | Transport & logistics | 2020 |
| KS Socials Ltd | Information & communication | 2023 |
| KS Squared Limited | Health & social care | 2022 |
| KS Transport-Logistic Limited | Administrative & support | 2011 |
| KS UK Investment PTE Ltd | Real estate | 2025 |
| Ks&S Couriers Ltd | Transport & logistics | 2024 |
| KSA Capital Ltd | Real estate | 2025 |
| KSA Group Assets Ltd | Administrative & support | 2025 |
| KSA Group Holdings Ltd | Financial services | 2025 |
| KSA Group Property Ltd | Real estate | 2025 |
| KSA Investment Holdings Ltd | Financial services | 2024 |
| Ksar Prop Ltd | Real estate | 2019 |
| Ksaro Limited | Construction | 2010 |
| KSB Holdings Limited | Financial services | 2006 |
| KSB Precision Limited | Manufacturing | 2004 |
| KSB Tech Limited | Professional & scientific | 2010 |
| KSD Investments Ltd | Real estate | 2019 |
| KSD Security Ltd | Administrative & support | 2023 |
| KSD Vehicle Solutions Limited | Administrative & support | 2019 |
| KSD Vending Ltd | Wholesale & retail | 2023 |
| KSF International Ltd | Wholesale & retail | 2023 |
| KSG Creative Services Limited | Professional & scientific | 2023 |
| KSG Electrical Services Ltd | Construction | 2019 |
| KSH Solutions Ltd | Administrative & support | 2021 |
| Ksheikh Couriers Ltd | Transport & logistics | 2026 |
| Ksiegarnia Bartek Limited | Wholesale & retail | 2018 |
| KSJ Investments Ltd | Administrative & support | 2018 |
| KSJ Real Estate Ltd | Real estate | 2023 |
| KSK Birmingham Ltd | Real estate | 2022 |
| KSK Finance Group Limited | Professional & scientific | 2024 |
| Kskin Ltd | Other services | 2020 |
| Kskin Plus Ltd | Arts & recreation | 2026 |
| KSL Housing Ltd | Real estate | 2024 |
| KSM (B'Ham) Ltd | Wholesale & retail | 2018 |
| KSM (Van's) Ltd | Wholesale & retail | 2020 |
| KSM Property Developers Limited | Real estate | 2024 |
| KSM Property Limited | Real estate | 2025 |
| Ksmkgroup Ltd | Wholesale & retail | 2024 |
| KSN Construction (Midlands) Limited | Construction | 2023 |
| KSN Enterprise Ltd | Hospitality | 2024 |
| KSP Construction Ltd | Construction | 2026 |
| KSP Locum Pharms Ltd | Wholesale & retail | 2024 |