| Live Action Events International CIC | Education | 2020 |
| Live Finance Ltd | Financial services | 2023 |
| Live in the Box Limited | Information & communication | 2020 |
| Live Laterally Ltd | Wholesale & retail | 2023 |
| Live Lighting Services Ltd | Other services | 2024 |
| Live Smarter Home Depot Ltd | Wholesale & retail | 2026 |
| Live Well Assets Ltd | Real estate | 2021 |
| Live-In Limited | Real estate | 2018 |
| Liveadventure Ltd | Arts & recreation | 2023 |
| Lived Group Ltd | Information & communication | 2025 |
| Livegaming Limited | Information & communication | 2025 |
| Livenza Jewelry Ltd | Wholesale & retail | 2025 |
| Liverpool Macroeconomic Research Limited | Professional & scientific | 1982 |
| Livesey Civils Limited | Construction | 2012 |
| Liveshopping London Limited | Wholesale & retail | 2019 |
| Livesilver Global Enterprises Ltd | Professional & scientific | 2025 |
| Livewave Stream Limited | Information & communication | 2025 |
| Livias Film and TV Limited | Professional & scientific | 2018 |
| Living Aligned Ltd. | Other services | 2024 |
| Living Capital Partners Limited | Financial services | 2020 |
| Living Data @ Mclays Limited | Information & communication | 2016 |
| Living in Style Kitchens and Bedrooms Limited | Manufacturing | 1995 |
| Living Life Living Ltd | Other services | 2011 |
| Living Links Ltd | Households | 2023 |
| Living Magazines Limited | Information & communication | 2016 |
| Living Pictures Productions Limited | Arts & recreation | 1999 |
| Living Proof Ltd | Health & social care | 2021 |
| Living Quarters (Lettings and Sales) Wales Limited | Real estate | 2013 |
| Living Space London Ltd | Real estate | 2017 |
| Living With Aspergers Limited | Administrative & support | 2021 |
| Livingdoll Limited | Information & communication | 2002 |
| Livingston Lloyd Ltd | Other services | 2019 |
| Livingstone Digital Ltd | Information & communication | 2019 |
| Livingstone Investments Limited | Professional & scientific | 1990 |
| Livingstoneiq Limited | Professional & scientific | 2021 |
| Livis Safety Barrier Systems Ltd | Extraterritorial | 2019 |
| Livits Pro Limited | Information & communication | 2021 |
| Livoral Ltd | Wholesale & retail | 2025 |
| Livup Ltd | Other services | 2025 |
| Livvingale Limited | Construction | 2018 |
| Livya Limited | Information & communication | 2016 |
| Liwa LAM Ltd | Health & social care | 2026 |
| Liweo Group Limited | Information & communication | 2021 |
| Lixiazhenga Ltd | Wholesale & retail | 2023 |
| Lixodetron Limited | Information & communication | 2019 |
| Lixtars Limited | Professional & scientific | 2024 |
| Lixus Management Consultancy Limited | Construction | 2014 |
| Liya Commmerce Ltd | Wholesale & retail | 2025 |
| LIZ Armon Ltd | Real estate | 2018 |
| Lizanesh Ltd | Wholesale & retail | 2018 |
| Lizenz.Online Ltd | Wholesale & retail | 2025 |
| Lizkin Ltd | Households | 2019 |
| Lizol Ltd | Information & communication | 2014 |
| Lizzie Daly Limited | Information & communication | 2025 |
| LJ Business Consulting Ltd | Professional & scientific | 2025 |
| LJ Developments (Atlantic) Limited | Real estate | 2011 |
| LJ Developments Limited | Construction | 2001 |
| LJ Properties & Developments Limited | Real estate | 2019 |
| LJ Rail Projects Limited | Construction | 2019 |
| LJ Security & K9 Services Ltd | Administrative & support | 2019 |
| LJ Short Stays Ltd | Real estate | 2024 |
| Ljab Ltd | Hospitality | 2020 |
| Ljay Investments Limited | Real estate | 2008 |
| LJB Property & Maintenance Ltd | Construction | 2020 |
| LJC Finance & Leasing Limited | Financial services | 2018 |
| LJC Vehicle & Assets Ltd | Wholesale & retail | 2023 |
| Ljhqscrety Limited | Wholesale & retail | 2025 |
| LJR UK Recruitment Ltd | Professional & scientific | 2018 |
| Ljrailwayservices Ltd | Construction | 2020 |
| LJS Plumbing and Heating Limited | Construction | 2019 |
| Ljus Saas Ltd | Information & communication | 2025 |
| LJW Telecom Solutions Ltd | Wholesale & retail | 2019 |
| Lj’S Waste Disposal Ltd | Water & waste | 2026 |
| LK Cardiff Ltd | Hospitality | 2022 |
| LK Construction Management Limited | Construction | 2021 |
| LK Engineering Solutions Ltd. | Construction | 2018 |
| LK FOX Limited | Construction | 2019 |
| LK Hoofcare Ltd. | Agriculture & fishing | 2018 |
| LK Landscapes (South Wales) Ltd | Construction | 2022 |
| LK Properties (South Wales) Ltd | Households | 2024 |
| LK Services Limited | Professional & scientific | 2025 |
| LK UX Ltd | Professional & scientific | 2025 |
| LKA Property Services Ltd | Real estate | 2025 |
| LKA Roofing Services Limited | Construction | 2024 |
| LKF Finance Ltd | Financial services | 2017 |
| LKK Ltd. | Construction | 2015 |
| LKM Portfolios Limited | Real estate | 2021 |
| LKR Pallets Ltd | Manufacturing | 2017 |
| LL Aggregates Ltd | Wholesale & retail | 2026 |
| LL Cardiff Ltd | Manufacturing | 2023 |
| LL Performance Limited | Wholesale & retail | 2025 |
| Llama Accounting Ltd | Professional & scientific | 2017 |
| Llama Connect Ltd | Financial services | 2022 |
| Llama Games Ltd | Information & communication | 2025 |
| Llama Queen Limited | Other services | 2025 |
| Llamedos UK Norfolk Limited | Wholesale & retail | 2015 |
| Llampha Capital Ltd | Financial services | 2016 |
| Llanbethery Farm Ltd | Agriculture & fishing | 2025 |
| Llandaff Barber Shop Limited | Other services | 2019 |
| Llandaff Brass Ltd | Education | 2021 |