| Josan Developers Limited | Real estate | 2022 |
| Josan Roofing Ltd | Construction | 2023 |
| Josan Transport Limited | Transport & logistics | 2023 |
| Josolovine Limited | Health & social care | 2018 |
| Joven Fashions Limited | Wholesale & retail | 2025 |
| Joy Marivate Ltd | Health & social care | 2015 |
| Joyful Day's Nursery & Preschool Limited | Education | 2021 |
| Jozikas Ltd | Transport & logistics | 2025 |
| JP & MS Ltd | Wholesale & retail | 2025 |
| JP Building Work Ltd | Construction | 2026 |
| JP Metal Worx Limited | Manufacturing | 2019 |
| Jpliones Limited | Information & communication | 2015 |
| JPO Communications Limited | Financial services | 2014 |
| JR Vahdeeteel Ltd | Transport & logistics | 2025 |
| JRS Assets Ltd | Real estate | 2026 |
| JSK Electrical& GAS Ltd | Construction | 2024 |
| JSM Plumbing and Heating Limited | Construction | 2016 |
| JT Cleaning & Gardening Services Ltd | Administrative & support | 2025 |
| Judge Fabrications Ltd | Manufacturing | 2022 |
| Jules Logistics Ltd | Transport & logistics | 2024 |
| Junn Transport Limited | Transport & logistics | 2025 |
| Juno Technics Ltd. | Transport & logistics | 2017 |
| Jupak Limited | Real estate | 2025 |
| Jupiter Fishing Ltd | Agriculture & fishing | 2025 |
| Jurra Ltd | Information & communication | 2026 |
| Just Auto Traders Ltd | Wholesale & retail | 2014 |
| Just Burgers Plus Limited | Hospitality | 2004 |
| Just for Today, Healing With Natalie Ltd | Other services | 2023 |
| Just Jewels Limited | Wholesale & retail | 2012 |
| Just TOW IT London Limited | Transport & logistics | 2025 |
| Justcarers Network Ltd | Administrative & support | 2026 |
| Juzyu Trading Limited | Extraterritorial | 2012 |
| JV Investments Limited | Real estate | 2022 |
| JW Deco & Build Ltd | Construction | 2021 |
| JWZ Toys Ltd | Wholesale & retail | 2020 |
| Jxdias Ltd | Manufacturing | 2024 |
| K & J Coachworks Ltd | Other services | 2013 |
| K Convenience Store Limited | Wholesale & retail | 2016 |
| K Education Ltd | Education | 2020 |
| K Henry (Civil Engineering) Ltd | Construction | 2018 |
| K Traveling Limited | Administrative & support | 2013 |
| K U Homes Limited | Real estate | 2023 |
| K&A Transit Ltd | Transport & logistics | 2025 |
| K&D Limited | Health & social care | 2018 |
| K&T Accountancy Services Ltd | Professional & scientific | 2024 |
| K-Construct Ltd | Construction | 2026 |
| K.Collective Limited | Information & communication | 2015 |
| K.S.Batth Limited | Wholesale & retail | 2021 |
| K27 Developments Ltd | Construction | 2023 |
| K27 Ltd | Wholesale & retail | 2024 |
| K27 Stores Ltd | Wholesale & retail | 2025 |
| K2B Solutions Ltd | Information & communication | 2020 |
| Kaap Ltd | Wholesale & retail | 2016 |
| Kaar Global Ltd | Wholesale & retail | 2020 |
| Kaba Partnership Ltd | Information & communication | 2010 |
| Kabak Ltd | Construction | 2023 |
| Kabir Logistics Ltd | Transport & logistics | 2026 |
| Kabir Shah Construction Private Limited | Construction | 2026 |
| Kaderi Wholesale Ltd | Wholesale & retail | 2006 |
| Kadian Consultancy Ltd | Information & communication | 2016 |
| Kadian Infrastructure Ltd | Construction | 2014 |
| KAF Transport Ltd | Transport & logistics | 2025 |
| Kainiyil Property Ltd | Real estate | 2017 |
| Kaiser Photo Services Ltd | Professional & scientific | 2026 |
| Kajan Properties Limited | Real estate | 2024 |
| Kajcom Ltd | Hospitality | 2018 |
| Kalanzi Care Ltd | Health & social care | 2015 |
| Kalsonaj Services Limited | Professional & scientific | 2014 |
| Kamal Transport Ltd | Transport & logistics | 2026 |
| Kamalveer Limited | Hospitality | 2025 |
| Kamatsu Limited | Hospitality | 2022 |
| Kancelaria Limited | Information & communication | 2023 |
| Kandola PHV Ltd | Transport & logistics | 2022 |
| Kandola Property Development Ltd | Real estate | 2023 |
| Kang Hulair Ltd | Transport & logistics | 2022 |
| Kangbha Homes Ltd | Real estate | 2024 |
| Kangbha Sound and Light Ltd | Manufacturing | 2022 |
| KANTH12 Ltd | Construction | 2026 |
| Kany Services Ltd | Construction | 2022 |
| Kaoska Facilities Management Ltd | Administrative & support | 2020 |
| Kaptom Limited | Construction | 2023 |
| KAR Facades Ltd | Construction | 2026 |
| Karamfilov Trans Ltd | Transport & logistics | 2023 |
| Karen Mensah Accounts Ltd | Professional & scientific | 2018 |
| Karim Cart Ltd | Wholesale & retail | 2025 |
| Karina Services Ltd | Transport & logistics | 2022 |
| Karpe Diem Clothing Limited | Wholesale & retail | 2025 |
| Kartar Builders Limited | Construction | 2014 |
| Kartheek Motorsport Ltd | Wholesale & retail | 2022 |
| Karthikeya UK Limited | Real estate | 2025 |
| Kartier Homes Ltd | Real estate | 2019 |
| Katkam Services Ltd | Wholesale & retail | 2026 |
| Kaung KIN Thit Limited | Manufacturing | 2022 |
| Kaylex Security Limited | Construction | 2015 |
| KAZ1 Enterprise Ltd | Other services | 2022 |
| KBS Homes Ltd | Real estate | 2019 |
| KCR PVT Ltd | Administrative & support | 2022 |
| KDS Logistics Ltd | Transport & logistics | 2018 |
| KDT Wholesale and Transport Ltd | Wholesale & retail | 2024 |
| Keinir Ltd | Extraterritorial | 2023 |