| Leba Developments Limited | Professional & scientific | 1996 |
| Leclerc Limited | | 2023 |
| Leftfield Industrial I Limited | | 2022 |
| Leftfield Industrial II Limited | | 2022 |
| Leftfield Industrial III Limited | | 2023 |
| Leftfield Industrial IV Limited | | 2024 |
| Leftfield Industrial V Limited | | 2024 |
| Leftfield Industrial VI Limited | | 2025 |
| Leftfield Industrial VII Limited | | 2025 |
| Leftfield Industrial Viii Limited | | 2025 |
| Leftfield Logistics I Ltd | | 2022 |
| Leftfield Logistics II Limited | | 2022 |
| Leftfield Logistics III Limited | | 2022 |
| Leftfield Logistics IV Limited | | 2023 |
| Leftfield Logistics IX Limited | | 2025 |
| Leftfield Logistics V Limited | | 2023 |
| Leftfield Logistics VI Limited | | 2023 |
| Leftfield Logistics VII Limited | | 2023 |
| Leftfield Logistics Viii Limited | | 2025 |
| Leftfield Logistics Xiii Limited | | 2022 |
| Leftfield Logistics XIV Limited | | 2022 |
| Leftfield Logistics XV Limited | | 2022 |
| Lega Della Scala LP | | 2014 |
| Legend Support L.P. | | 2013 |
| Legenda Aero L.P. | | 2013 |
| Legista Estates Ltd | | 2023 |
| Legrams Centre Limited | | 2023 |
| Legran Corporation L.P. | | 2015 |
| Lehman Limited | | 2023 |
| Leif Larsson LP | | 2016 |
| Leighton Investments Limited | | 2023 |
| Leinster Fiduciaries Limited | | 2023 |
| Leisure Business L.P. | | 2014 |
| Leisure Enterprises L.P. | | 2013 |
| Lema Corporation L.P. | | 2011 |
| Leman Impero LP | | 2011 |
| Lemberg Teletrade L.P. | | 2014 |
| Leming Limited | | 2022 |
| Lenco Investments Limited | | 2022 |
| Lendale Services Limited | | 2023 |
| Lenox Corporation L.P. | | 2015 |
| Leon Limited | | 2023 |
| Leonberg Limited | | 2023 |
| Leopard Ventures Limited | | 2023 |
| Leventis Overseas Limited | | 1966 |
| Leventis Overseas Limited | | 2023 |
| Levico Limited | | 2023 |
| Lewes Central (IOM) Limited | | 2023 |
| Lexis International L.P. | | 2016 |
| Lexis Organisation L.P. | | 2015 |
| Lexo Limited | | 2023 |
| Lextor Limited | | 2023 |
| Lexwell Investments L.P. | | 2011 |
| Lexwell Management L.P. | | 2015 |
| Lexwell Universal L.P. | | 2014 |
| Leybourne (Fifth Title) Limited | Professional & scientific | 1996 |
| Leybourne (Fourth Title) Limited | Professional & scientific | 1996 |
| Leybourne (Second Title) Limited | Professional & scientific | 1996 |
| Leybourne (Sixth Title) Limited | Professional & scientific | 1996 |
| Leybourne (Third Title) Limited | Professional & scientific | 1996 |
| Leybourne Carmen Limited | Professional & scientific | 1996 |
| Leybourne Seventh (Title) Limited | Professional & scientific | 1996 |
| Leyton Estates Limited | | 2023 |
| Liberal Ventures L.P. | | 2014 |
| Liberty Investments Worldwide L.P. | | 2014 |
| Liberty Management Limited | | 2023 |
| Liberty Technology L.P. | | 2013 |
| Life Enterprise L.P. | | 2013 |
| Life L.P. | | 2014 |
| Lijan International Limited | | 2023 |
| Lime Street London Limited | | 2023 |
| Limerton Limited | | 2023 |
| Limulus Limited | | 2021 |
| Limulus Limited | | 2022 |
| Linalaid LP | | 2015 |
| Linden Property Holdings Ltd | | 2023 |
| Lindfield Land Heritage Limited | | 2022 |
| Lindford Limited | | 2023 |
| Lindmere Limited | | 2023 |
| Lindseyfield Limited | | 2023 |
| Lingfield Point NO.1 Limited | | 2022 |
| Linked Capital Ventures L.P. | | 2013 |
| Linkoln Sammit LP | | 2014 |
| Links Global L.P. | | 2013 |
| Liongate Developments Ltd | | 2023 |
| Lionheart Enterprises Limited | | 2023 |
| Lislyn Properties Limited | | 2025 |
| Lissen Hall Property Company Limited | | 2022 |
| Liston LP | | 2015 |
| Lit-Oil L.P. | | 2013 |
| Litchgate Limited | | 2023 |
| Little Britain Limited | | 2022 |
| Littlemill Limited | | 2023 |
| Liverpool Holiday Inn Property Limited | | 2022 |
| Living Stone Food Ltd | | 2024 |
| Livingston Trade LP | | 2014 |
| Livorno Project LP | | 2013 |
| LJB Berry Limited | | 2009 |
| Ljreal 1B Limited | | 2023 |
| Local Developments L.P. | | 2013 |