| KMS London Trading Ltd | Construction | 2016 |
| KNA Foods Limited | Hospitality | 2020 |
| KNF Properties Ltd | Real estate | 2020 |
| Kody Repairs Ltd | Other services | 2023 |
| Koinvest Fintech Hub Ltd | Information & communication | 2024 |
| Kolo Enterprize Ltd | Transport & logistics | 2024 |
| Koloenterprizeltd Ltd | Transport & logistics | 2026 |
| Komply Ltd | Information & communication | 2012 |
| Kount on ME Ltd | Professional & scientific | 2022 |
| Koys'M Consultancy Ltd | Real estate | 2016 |
| KRD Estates Ltd | Real estate | 2025 |
| KRD Group Ltd | Financial services | 2024 |
| KRD Medical Limited | Health & social care | 2018 |
| KRD Medics Ltd | Health & social care | 2024 |
| KRD Property INV Ltd | Real estate | 2024 |
| Kriarm Investments Limited | Real estate | 2025 |
| Kriarm Limited | Financial services | 2025 |
| Krish Accountants Limited | Professional & scientific | 2018 |
| Kristel Dawn Solutions Limited | Health & social care | 2015 |
| Krsk Services Ltd | Administrative & support | 2024 |
| Ksri Property Investment Limited | Real estate | 2023 |
| KTK Used Cars and Parts Limited | Wholesale & retail | 2025 |
| KTN Assets Ltd | Hospitality | 2025 |
| Kunfah Ltd | Wholesale & retail | 2023 |
| Kurlywurly Kids Salon & Pamper Parties Ltd | Other services | 2017 |
| KV Healthcare Limited | Health & social care | 2024 |
| KVN UK Limited | Information & communication | 2017 |
| KVS Property Management Ltd | Real estate | 2019 |
| Kwality Fotos Limited | Professional & scientific | 2025 |
| Kwame's Transport Limited | Transport & logistics | 2019 |
| Kyanite Skincare Ltd | Wholesale & retail | 2024 |
| Kyrios Business Solutions Ltd | Professional & scientific | 2016 |
| Kytrax Ltd | Information & communication | 2023 |
| L&J Kitchen Limited | Hospitality | 2025 |
| L&M Curtains and Blinds Ltd | Manufacturing | 2024 |
| L.A.R.M Investments Ltd | Real estate | 2023 |
| L1ELECTRICAL Ltd | Construction | 2015 |
| LA Aesthetic House Ltd | Other services | 2025 |
| LA Bocajo Healthcare Ltd | Health & social care | 2022 |
| LA Palma Grill Ltd | Hospitality | 2022 |
| LA Volee Ltd | Health & social care | 2026 |
| Labchaki Wings Trading Ltd | Wholesale & retail | 2025 |
| Laci Construction & Consulting Ltd | Construction | 2025 |
| Lafalquk Partners Ltd | Administrative & support | 2005 |
| Lagaci Ltd | Real estate | 2024 |
| Lahore Brasserie Limited | Hospitality | 2014 |
| Lahore Food Services Ltd | Hospitality | 2020 |
| Lahore International Ltd | Manufacturing | 2018 |
| Lahori Express Limited | Hospitality | 2025 |
| Lahori Mahal Ltd | Hospitality | 2024 |
| Laili C Limited | Health & social care | 2021 |
| Lakshmi Impex Limited | Wholesale & retail | 2008 |
| LAL Style Cartel Ltd | Wholesale & retail | 2025 |
| Lalka Ltd | Manufacturing | 2025 |
| LAM Trading Ltd | Wholesale & retail | 2017 |
| LAM2018 Trading Ltd | Transport & logistics | 2018 |
| Lamaison Decoration Works Ltd | Construction | 2024 |
| Lamarvel Global Limited | Wholesale & retail | 2023 |
| Lambarde Securities Limited | Real estate | 1973 |
| Lamprojects Ltd | Information & communication | 2020 |
| Landlord Photography Limited | Professional & scientific | 2019 |
| Landmark Realty Ltd | Real estate | 2026 |
| Landus Estate Agency Ltd | Real estate | 2024 |
| Langmarket LLP | | 2014 |
| LAP Coatings Limited | Construction | 2007 |
| LAQ Trading Ltd | Transport & logistics | 2019 |
| Larix Ltd | Construction | 2012 |
| Latif Driving Center Ltd | Administrative & support | 2016 |
| Latif Halal Meat Ltd | Wholesale & retail | 2017 |
| Laumunleng Ltd | Other services | 2018 |
| Lawwood Limited | Health & social care | 2003 |
| LAX SOL Limited | Information & communication | 2017 |
| Laza Project Ltd | Construction | 2023 |
| Lazaaz International Trading Company Ltd. | Wholesale & retail | 2023 |
| LBA Building Construction Ltd | Construction | 2014 |
| Lblx Ltd | Arts & recreation | 2022 |
| Lc-Uk Installations Ltd | Administrative & support | 2016 |
| Ldiv Construction Limited | Construction | 2023 |
| Lebos UK Limited | Health & social care | 2020 |
| Lecxton Ltd | Financial services | 2022 |
| Ledgerline Consulting Partners Limited | Professional & scientific | 2025 |
| LEE J Networks Ltd | Information & communication | 2018 |
| Legaltech and Translations Ltd | Information & communication | 2023 |
| Legatum UK Holdings Ltd | Financial services | 2018 |
| Leia Homes Land and Planning Ltd | Real estate | 2017 |
| Leia Homes Ltd | Real estate | 2013 |
| Leisure Power Purchasing Limited | Administrative & support | 1992 |
| Lemonroofing.Com Ltd | Construction | 2019 |
| Lemonz Services Ltd | Professional & scientific | 2019 |
| Lemshi Trading Ltd | Wholesale & retail | 2024 |
| Lenelby House Ltd | Real estate | 2022 |
| LEO Healthcare Consulting Ltd | Health & social care | 2026 |
| Let's Travel London Limited | Administrative & support | 2011 |
| Letiz Cleaning Ltd | Administrative & support | 2022 |
| Lets Ride NOW Ltd | Transport & logistics | 2023 |
| Lewalt Ltd | Manufacturing | 2022 |
| Lexer International Limited | Manufacturing | 2023 |
| Lexlah Gateway Properties Ltd | Real estate | 2023 |
| LG Foods UK Limited | Hospitality | 2013 |
| Lghthouse Ltd | Information & communication | 2024 |