| Kuttiyil Limited | Health & social care | 2017 |
| Kuuk Ltd | Wholesale & retail | 2018 |
| Kuur Therapeutics Limited | Manufacturing | 2005 |
| KVA Architects Limited | Professional & scientific | 2011 |
| KVH Media Group Communication Limited | Information & communication | 1985 |
| KVK Developments Ltd | Construction | 2025 |
| Kvnikolov Fitting Limited | Manufacturing | 2024 |
| KVR Management Ltd | Hospitality | 2023 |
| KVS Convenience Store Ltd | Wholesale & retail | 2021 |
| KVS Engineering Services Limited | Professional & scientific | 2014 |
| KVT Quick Food Ltd | Wholesale & retail | 2024 |
| KW1 Holdings Ltd | Financial services | 2024 |
| Kwabi Ltd | Education | 2023 |
| Kwame & Jaydene Properties Ltd | Real estate | 2024 |
| Kwanon Films Limited | Information & communication | 2012 |
| Kwck Ltd | Hospitality | 2025 |
| KWD Body Repairs Ltd | Wholesale & retail | 2024 |
| KWD Trading Ltd | Wholesale & retail | 2020 |
| Kwena Properties Ltd | Hospitality | 2016 |
| Kwik Stop Oasis Ltd | Wholesale & retail | 2024 |
| KWL Limited | Construction | 2003 |
| Kwok ROV Services Ltd | Other services | 2022 |
| KWP Solicitors Limited | Professional & scientific | 2019 |
| KXS4 Limited | Health & social care | 2026 |
| Kyanite Barber Ltd | Other services | 2022 |
| Kyff Lets Ltd | Real estate | 2020 |
| Kyffin Investments Limited | Real estate | 2019 |
| Kyle Atlantic Ltd | Information & communication | 2020 |
| Kyma (NW) Ltd | Extraterritorial | 2024 |
| Kyma Care Consultants Ltd | Education | 2026 |
| Kynan Ltd | Information & communication | 2025 |
| Kyndah Limited | Other services | 2018 |
| Kynticai Limited | Information & communication | 2026 |
| Kyodo Group Ltd | Hospitality | 2019 |
| KYP Collective Ltd | Hospitality | 2025 |
| Kyrama Global Ltd | Real estate | 2025 |
| Kyrenia Consultancy Limited | Professional & scientific | 2024 |
| Kyrptonight Ltd | Real estate | 2015 |
| KYT Liverpool Limited | Hospitality | 2012 |
| Kyvora Limited | Information & communication | 2026 |
| Kyzen Group Holdings Ltd | Financial services | 2026 |
| Kyzen IP Limited | Administrative & support | 2026 |
| Kyzen People Limited | Administrative & support | 2026 |
| KZE Property Maintenance Ltd | Construction | 2026 |
| KZN Property Limited | Real estate | 2023 |
| L & a Deal Sourcing Ltd | Administrative & support | 2026 |
| L & E Auto Spa Ltd | Wholesale & retail | 2021 |
| L & E Construction Services Limited | Construction | 2018 |
| L & L Investments (North West) Ltd | Real estate | 2016 |
| L & L Pinewoods Ltd | Hospitality | 2026 |
| L & M Auto Body Repairs Ltd | Wholesale & retail | 2012 |
| L & M Investments (NW) Ltd | Financial services | 2025 |
| L & M Roofing Contractors Limited | Construction | 1999 |
| L & O Surveys Ltd | Professional & scientific | 2025 |
| L & P Software Services Limited | Information & communication | 2017 |
| L & S (NW) Trading Ltd | Wholesale & retail | 2017 |
| L & T 4 Property Holdings UK Limited | Real estate | 2026 |
| L & W Developments Ltd | Real estate | 2024 |
| L & Y Partnership Limited | Wholesale & retail | 2019 |
| L 37 Commercial Ltd | Real estate | 2025 |
| L a G Prichard Limited | Professional & scientific | 1998 |
| L a Pizza Liverpool Ltd | Hospitality | 2026 |
| L a Pizza Oldswan Ltd | Hospitality | 2024 |
| L Adams Property Group Ltd | Real estate | 2022 |
| L Briggs Plumbing & Heating Ltd | Construction | 2010 |
| L Dempster Limited | Administrative & support | 2013 |
| L E Developments NW Ltd | Construction | 2024 |
| L E Engineering Ltd | Construction | 2018 |
| L I C W Limited | Wholesale & retail | 2024 |
| L I T Developments Limited | Real estate | 2020 |
| L J Binsale Psychological Services Ltd | Health & social care | 2019 |
| L J S Property Ltd | Real estate | 2006 |
| L K Asset Management LLP | | 2009 |
| L K D Consultancy Ltd | Professional & scientific | 2020 |
| L K Electrical Services Limited | Construction | 2010 |
| L L H Systems Ltd | Construction | 2019 |
| L L Laviscount Limited | Arts & recreation | 2023 |
| L M Engineering Services Limited | Manufacturing | 2009 |
| L Marsh Plastering Limited | Construction | 2023 |
| L Mcnally Consultancy Ltd | Administrative & support | 2022 |
| L Meehan Ltd | Construction | 2014 |
| L Moran Ltd | Information & communication | 2020 |
| L One Convenience Store Ltd | Wholesale & retail | 2025 |
| L P Regan Ltd | Wholesale & retail | 2025 |
| L Perry Building Services Ltd | Construction | 2013 |
| L R Centre Ltd | Wholesale & retail | 2005 |
| L R Consultancy Limited | Professional & scientific | 2004 |
| L S 2023 Limited | Hospitality | 2023 |
| L S D Logistics Ltd | Transport & logistics | 2026 |
| L S Investments NW Limited | Education | 2017 |
| L S Marketing NW Limited | Professional & scientific | 2018 |
| L S Property Group Ltd | Real estate | 2018 |
| L W Building Materials Limited | Wholesale & retail | 2024 |
| L Wall Project Management Services Ltd | Construction | 2018 |
| L&A Scaffolding NW Ltd | Construction | 2025 |
| L&B Electrical Contracting Ltd | Construction | 2018 |
| L&C Bars & Restaurants Ltd | Hospitality | 2026 |
| L&C Building Services Limited | Construction | 2026 |
| L&D International Limited | Professional & scientific | 2023 |
| L&G Transport Ltd | Transport & logistics | 2025 |