| Liebelunghe M and S Ltd | Real estate | 2019 |
| Liewin Global Development Co Limited | Extraterritorial | 2024 |
| LIF Global Holding Ltd | Financial services | 2025 |
| Life Coaching London Limited | Professional & scientific | 2018 |
| Life Gene Limited | Extraterritorial | 2024 |
| Life Physiotherapy Limited | Health & social care | 2013 |
| Life Work Instruments Limited | Manufacturing | 2020 |
| Lifecycle IT Limited | Professional & scientific | 2014 |
| Lifeforce Corporation Limited | Extraterritorial | 2017 |
| Lifeh Limited | Extraterritorial | 2024 |
| Lifetime Marine Partners Ltd | Manufacturing | 2026 |
| Lifting Offshore Structures Limited | Professional & scientific | 2021 |
| Lifung Industry Limited | Wholesale & retail | 2016 |
| Lighthouse Loft Extensions & Refurbishments Ltd | Construction | 2020 |
| Lighthouse Research & Consultancy Ltd | Professional & scientific | 2023 |
| Lighthouse Trust International | Health & social care | 2008 |
| Lighting Partners Limited | Administrative & support | 2016 |
| Lighting Technology Limited | Wholesale & retail | 2020 |
| Lightning Steve Electrical Ltd | Construction | 2021 |
| Lightning Supercar Limited | Extraterritorial | 2014 |
| Lihui Trading Co., Limited | Wholesale & retail | 2023 |
| Lijiang Enterprise Co., Limited | Wholesale & retail | 2023 |
| Lijin Import & Export Co., Ltd | Extraterritorial | 2016 |
| Likate Electronic Co., Ltd | Manufacturing | 2024 |
| Liku Limited | Manufacturing | 2023 |
| Lilac & White Ltd | Wholesale & retail | 2020 |
| Lili International Trade Co., Limited | Extraterritorial | 2006 |
| Limburg Technology Limited | Extraterritorial | 2022 |
| Lime Studio Architecture Ltd | Professional & scientific | 2023 |
| Limei Quin Quin Ltd | Extraterritorial | 2022 |
| Limetrees International Limited | Real estate | 2016 |
| Limewood Associates Limited | Professional & scientific | 2015 |
| Limewood Ventures Limited | Health & social care | 2015 |
| Liminal Steps Consulting Limited | Administrative & support | 2021 |
| Limo International Limited | Manufacturing | 2022 |
| Limo Land Holding Limited | Extraterritorial | 2023 |
| Lina Fashion Co., Limited | Wholesale & retail | 2020 |
| Lina Trade Co., Ltd | Extraterritorial | 2020 |
| Lincoln Green Consulting Ltd | Professional & scientific | 2021 |
| Linde Chem Co., Ltd | Wholesale & retail | 2025 |
| Lindu MAX Co., Limited | Extraterritorial | 2021 |
| Line & Luster Limited | Wholesale & retail | 2025 |
| Lingfeng (Germany) Fertilizer Technology Ltd | Manufacturing | 2025 |
| Lingphate Limited | Extraterritorial | 2021 |
| Lingyue International Household Co., Ltd | Wholesale & retail | 2020 |
| Linkclink Limited | Wholesale & retail | 2024 |
| Linkland Technology Co., Ltd | Manufacturing | 2022 |
| Linksway News Ltd | Wholesale & retail | 2019 |
| Lino Osteria Limited | Hospitality | 2025 |
| Linson Marine FAR East Limited | Extraterritorial | 2013 |
| Linyi Wante Machinery Co., Ltd. | Professional & scientific | 2015 |
| Lion Industrial Limited | Manufacturing | 2023 |
| Lipuri Co., Ltd | Wholesale & retail | 2021 |
| Liqi Electrical Appliance Co., Ltd | Extraterritorial | 2016 |
| Liqi Industries Ltd. | Administrative & support | 2020 |
| Lisa Davidson Limited | Administrative & support | 2016 |
| Lisa Stone Careers and Coaching Ltd | Education | 2018 |
| Lisan Lighting Co., Ltd | Manufacturing | 2020 |
| Listay Co., Limited | Wholesale & retail | 2021 |
| Little Big Flavour Kits Ltd | Manufacturing | 2021 |
| Little Blossom Group Ltd | Wholesale & retail | 2024 |
| Little Cherubs Care and Education Limited | Education | 2004 |
| Little Elms Daycare Nursery Property Holding Company Shirley Limited | Administrative & support | 2014 |
| Little Elms Daycare Nurseries Property Holding Company Limited | Administrative & support | 2013 |
| Little Elms Daycare Nursery Beckenham Limited | Health & social care | 2014 |
| Little Elms Daycare Nursery Bromley LLP | | 2022 |
| Little Elms Daycare Nursery Catford Green Limited | Health & social care | 2018 |
| Little Elms Daycare Nursery Catford Limited | Health & social care | 2015 |
| Little Elms Daycare Nursery Crofton Limited | Health & social care | 2011 |
| Little Elms Daycare Nursery Greenwich Limited | Health & social care | 2014 |
| Little Elms Daycare Nursery LEE Limited | Administrative & support | 2010 |
| Little Elms Daycare Nursery Limited | Health & social care | 2009 |
| Little Elms Daycare Nursery Peninsula Limited | Administrative & support | 2017 |
| Little Elms Daycare Nursery Property Holding Company Bromley Limited | Health & social care | 2022 |
| Little Elms Daycare Nursery Property Holding Company Catford Limited | Health & social care | 2015 |
| Little Elms Daycare Nursery Property Holding Company Greenwich Limited | Administrative & support | 2015 |
| Little Elms Daycare Nursery Shirley Limited | Administrative & support | 2014 |
| Little Elms Daycare Nursery Sydenham Limited | Health & social care | 2011 |
| Little Grove Community Interest Company | Health & social care | 2015 |
| Little Marsh Construction Limited | Construction | 2023 |
| Little Portland Cafe Limited | Hospitality | 2014 |
| Little Rackets Ltd | Education | 2024 |
| Little Sage Limited | Extraterritorial | 2025 |
| Little Sunflowers Child Care Limited | Health & social care | 2010 |
| Littleminer Limited | Information & communication | 2021 |
| Livingstone Ceramics Co., Ltd | Extraterritorial | 2023 |
| Lixi Clothing Co., Ltd | Wholesale & retail | 2020 |
| Lixian Limited | Extraterritorial | 2014 |
| Liya Trading Co., Limited | Extraterritorial | 2020 |
| Liyoo Technology Co., Ltd | Extraterritorial | 2012 |
| LIZ Williams Design Ltd | Arts & recreation | 2019 |
| Ljxwood International Limited | Extraterritorial | 2012 |
| LK Collective Ltd | Wholesale & retail | 2018 |
| LK Plumbing & Building Services Limited | Construction | 2014 |
| Lkkseven Ltd | Information & communication | 2024 |
| Lkmasterbatch Ltd | Professional & scientific | 1996 |
| LLS Services Limited | Professional & scientific | 2025 |
| LM Aqua Biotechnology Company Limited | Wholesale & retail | 2026 |
| LM Tulip Properties Ltd | Real estate | 2022 |
| LM-K9 Ltd | Other services | 2025 |