| K.Legal Ltd | Professional & scientific | 2010 |
| K.Luxe Limited | Wholesale & retail | 2025 |
| K.M. & Sons Ltd | Wholesale & retail | 2015 |
| K.M.M Security Services Limited | Administrative & support | 2019 |
| K.N. Enterprise Limited | Wholesale & retail | 2010 |
| K.Nails Tattoo Ltd | Other services | 2023 |
| K.Najashi Coffee Ltd | Wholesale & retail | 2026 |
| K.O Distributions Ltd | Wholesale & retail | 2022 |
| K.O Recoverys Limited | Transport & logistics | 2024 |
| K.R Property Investment Ltd | Administrative & support | 2016 |
| K.R. Mouldings Limited | Manufacturing | 1996 |
| K.R.S Security Ltd | Administrative & support | 2022 |
| K.S Traffic Management Services Ltd. | Construction | 2017 |
| K.S.P. Building Contractors Limited | Construction | 2006 |
| K.T. Labels Limited | Other services | 2003 |
| K.U Pharma Limited | Health & social care | 2016 |
| K.U Property Holdings Ltd | Real estate | 2022 |
| K1 Heating Solution Limited | Manufacturing | 2020 |
| K1 Top Barber Ltd | Other services | 2026 |
| K1CLUB Ltd | Other services | 2023 |
| K1JEN Limited | Financial services | 2019 |
| K1NGSHEATH Trade Centre & Repairs Ltd | Wholesale & retail | 2025 |
| K2 Athena Ltd | Professional & scientific | 2023 |
| K2 Bazaar Ltd | Administrative & support | 2025 |
| K2 Business Advisory Limited | Professional & scientific | 2025 |
| K2 Capital Advisors Ltd | Professional & scientific | 2022 |
| K2 Digital Marketing Ltd | Professional & scientific | 2018 |
| K2 Foundation Solutions (UK) Limited | Construction | 2017 |
| K2 Housing & Support Limited Limited | Real estate | 2023 |
| K2 Investments Group Ltd | Real estate | 2025 |
| K2 Records Limited | Arts & recreation | 2019 |
| K20JEANS Ltd | Wholesale & retail | 2020 |
| K27 ANJ Ltd | Financial services | 2023 |
| K2ANEST Ltd | Real estate | 2024 |
| K2CO Ltd | Arts & recreation | 2022 |
| K2TREAS Ltd | Wholesale & retail | 2024 |
| K2V Ltd | Real estate | 2025 |
| K2Y Limited | Wholesale & retail | 2017 |
| K3 Property Partners Limited | Real estate | 2018 |
| K3BOSS Group Limited | Wholesale & retail | 2009 |
| K3PP Limited | Real estate | 2018 |
| K3YANI Consultants Ltd | Professional & scientific | 2013 |
| K4 Architects Limited | Professional & scientific | 2010 |
| K4 Holdings Limited | Financial services | 2015 |
| K4KARZ Ltd | Wholesale & retail | 2019 |
| K4SH Logistics Ltd | Transport & logistics | 2026 |
| K8 Warestore Ltd | Wholesale & retail | 2026 |
| K8G Training Limited | Education | 2026 |
| K9 Eagle Services Ltd | Administrative & support | 2023 |
| K9 Fairy Ltd | Other services | 2026 |
| K9 Investments | Financial services | 2025 |
| K9 Jets Ltd | Transport & logistics | 2022 |
| K9 Motion Alert Ltd | Administrative & support | 2022 |
| K9 RAW Meat Midlands Limited | Manufacturing | 2026 |
| K9 Reeco Security Limited Limited | Administrative & support | 2025 |
| K9 Response Security Ltd | Administrative & support | 2019 |
| K9 Secure Ltd | Water & waste | 2017 |
| K9 Secure Services Ltd | Administrative & support | 2025 |
| K9 Serve & Protect Ltd | Other services | 2015 |
| K9 SS Ltd | Other services | 2024 |
| K9WIND Protection Limited | Financial services | 2026 |
| KA Accountancy & Consultancy Ltd | Professional & scientific | 2018 |
| KA Approved Ltd | Administrative & support | 2017 |
| KA Bham Limited | Hospitality | 2023 |
| KA Car Services Ltd | Wholesale & retail | 2020 |
| KA Chung (UK) Company Limited | Real estate | 2021 |
| KA Commercial Group Ltd | Wholesale & retail | 2026 |
| KA Contracting Limited | Administrative & support | 2022 |
| KA Empire Limited | Wholesale & retail | 2019 |
| KA GG Limited | Hospitality | 2023 |
| KA Management Wellington Limited | Real estate | 2025 |
| KA Middlemas Consultancy Ltd | Professional & scientific | 2023 |
| KA Motors Limited | Wholesale & retail | 2021 |
| KA Partners Ltd | Wholesale & retail | 2021 |
| KA Plumbing and Heat Ltd | Construction | 2025 |
| KA Properties Wellington Ltd | Real estate | 2016 |
| KA Therapies Ltd | Health & social care | 2022 |
| KA WB Limited | Hospitality | 2017 |
| Ka&Ta Limited | Households | 2026 |
| KAA Ltd | Professional & scientific | 2025 |
| Kaab Advisory Services Ltd | Professional & scientific | 2024 |
| Kaabo Care Limited | Health & social care | 2025 |
| Kaafle Ltd | Transport & logistics | 2025 |
| Kaahoo UK Limited | Transport & logistics | 2024 |
| Kaaj Enterprises Limited | Wholesale & retail | 2022 |
| Kaam Medicare Limited | Health & social care | 2023 |
| Kaam Services Limited | Education | 2023 |
| Kaan(Uk) Ltd | Construction | 2019 |
| Kaas Trans Ltd | Transport & logistics | 2015 |
| Kaay Shop Ltd | Wholesale & retail | 2024 |
| KAB EDU Consults Ltd | Professional & scientific | 2026 |
| KAB Engineering Solutions Ltd | Professional & scientific | 2025 |
| Kab&Tad Limited | Real estate | 2024 |
| Kabadhe | Administrative & support | 2020 |
| Kabani Holdings Ltd | Other services | 2019 |
| Kabari Property Limited | Real estate | 2025 |
| Kabbab Group Limited | Professional & scientific | 2026 |
| Kabebe Limited | Health & social care | 2014 |
| Kabils Grillz Ltd | Manufacturing | 2024 |
| Kabir ALI Ltd | Arts & recreation | 2025 |