| LIN XIN Technology Co., Ltd | Wholesale & retail | 2022 |
| LIN Ying JUN Heqq Limited | Wholesale & retail | 2024 |
| Linacre Properties Ltd | Real estate | 2015 |
| Linc Drinks Ltd | Wholesale & retail | 2017 |
| Linc Food Limited | Hospitality | 2025 |
| Linc Risk Group Ltd | Financial services | 2026 |
| Linco London Limited | Administrative & support | 2020 |
| Linco Rental London Limited | Construction | 2015 |
| Lincoln Foods Limited | Hospitality | 2025 |
| Lincoln Law Chambers Ltd | Professional & scientific | 2023 |
| Lincoln Lawrence Solicitors Limited | Professional & scientific | 2018 |
| Lincoln Select Parts Ltd | Wholesale & retail | 2025 |
| Lincoln Solutions Limited | Construction | 2016 |
| Lincoln W Ltd | Mining & quarrying | 2016 |
| Lincolnshire Architecture Ltd | Professional & scientific | 2022 |
| Linda Banda International Consultants Limited | Professional & scientific | 2026 |
| Linda Steel PC | | 2017 |
| Linda Williams and Associates Limited | Agriculture & fishing | 2013 |
| Linda's Salon UK Limited | Other services | 2025 |
| Lindart Properties Limited | Real estate | 2025 |
| Linddi Assessment Solutions North West Limited | Health & social care | 2009 |
| Lindisfarne Healthcare (Holdings) Limited | Financial services | 2013 |
| Lindisfarne Healthcare Limited | Health & social care | 2009 |
| Lindley Groves Limited | Extraterritorial | 2026 |
| Lindtpony Ltd | Wholesale & retail | 2024 |
| Lindum Safety Services Limited | Professional & scientific | 2017 |
| Line 9 Services Ltd | Wholesale & retail | 2019 |
| Line Alhad Alsarytrad for Investment Ltd | Wholesale & retail | 2025 |
| Line Daily Saas Limited | Information & communication | 2025 |
| Line Horizon Tech Ltd | Information & communication | 2025 |
| Line Property Services Ltd | Construction | 2026 |
| Line UP Designs Ltd | Information & communication | 2018 |
| Linea Azzurro Ltd | Wholesale & retail | 2020 |
| Linear Travels and Tourism Ltd | Administrative & support | 2024 |
| Linebrand Limited | Professional & scientific | 1988 |
| Linecheck Limited | Real estate | 1993 |
| Linen INV Ltd | Professional & scientific | 2019 |
| Linen Luxe Boutique Ltd | Wholesale & retail | 2024 |
| Linens Dior Ltd | Wholesale & retail | 2022 |
| Lineup Events Limited | Administrative & support | 2016 |
| Lineup Networks Limited | Information & communication | 2016 |
| Linford Enterprises Limited | Wholesale & retail | 2024 |
| Linford Plumbing Limited | Construction | 2014 |
| Linform Consulting Ltd | Information & communication | 2018 |
| Ling Care Technology Limited | Wholesale & retail | 2021 |
| Ling Chuang Limited | Extraterritorial | 2021 |
| Ling Safety Services Limited | Professional & scientific | 2014 |
| Ling Sea Ltd | Wholesale & retail | 2025 |
| Linga International Ltd | Professional & scientific | 2020 |
| Lingham Accountancy Limited | Professional & scientific | 2018 |
| Lingo Service Translations Ltd | Professional & scientific | 2014 |
| Lingoza Ventures Ltd | Wholesale & retail | 2023 |
| Linguacore Ltd | Information & communication | 2026 |
| Linhanzhen Ltd | Wholesale & retail | 2024 |
| Lining Reliable Tech Ltd | Information & communication | 2025 |
| Link and Learn Consultancy Ltd | Education | 2026 |
| Linkedlooks Ltd | Wholesale & retail | 2025 |
| Linkeli Ltd | Information & communication | 2024 |
| Linkgrid Group Ltd | Administrative & support | 2026 |
| Linkhawk Limited | Wholesale & retail | 2025 |
| Linkredible Ltd | Professional & scientific | 2014 |
| Links Engineering Ltd | Construction | 2012 |
| Links Film Productions Limited | Information & communication | 2011 |
| Links Recruitment Group Ltd | Administrative & support | 2017 |
| Links Training Group Ltd | Other services | 2021 |
| Linkstarter Limited | Information & communication | 2019 |
| Linkweez Ltd | Information & communication | 2021 |
| Linmar Limited | Administrative & support | 2001 |
| Linmar Scaffolding Limited | Construction | 2003 |
| Linnea Limited | Water & waste | 2012 |
| Linnytools Ltd | Wholesale & retail | 2021 |
| Linqk Corporation Limited | Information & communication | 2003 |
| Linslade Green Care Ltd | Health & social care | 2019 |
| Linyilong Zkhe Ltd | Wholesale & retail | 2024 |
| Lion Cubs 24X7 PVT Limited | Education | 2026 |
| Lion Deen Limited | Wholesale & retail | 2024 |
| Lion Hills Limited | Wholesale & retail | 2020 |
| Lioncorp International Limited | Wholesale & retail | 2017 |
| Lionel Scott Ltd | Administrative & support | 2018 |
| Lioness Community Projects CIC | Professional & scientific | 2024 |
| Lioness Films Ltd | Information & communication | 2013 |
| Lionhart Trade Finance Ltd | Wholesale & retail | 2025 |
| Lionise London Ltd | Wholesale & retail | 2021 |
| Lionite Mele Limited | Wholesale & retail | 1968 |
| Lions Crown Trading Company Ltd | Extraterritorial | 2018 |
| Lions Luxury Properties Ltd | Real estate | 2026 |
| Lions Properties Ltd | Real estate | 2019 |
| Lionshares Holdings Limited | Real estate | 2019 |
| Lionwood Ltd | Construction | 2017 |
| Liorae Ltd | Wholesale & retail | 2025 |
| Lip-Lip International Children and Youth Services. Limited | Education | 2021 |
| Lipo Flavonoid Ltd | Wholesale & retail | 2025 |
| Lipozovit Ltd | Wholesale & retail | 2023 |
| Liqingshangmao Ltd | Wholesale & retail | 2025 |
| Liquid Intention Ltd. | Hospitality | 2016 |
| Liquid Strategies Limited | Professional & scientific | 2001 |
| Liquidium Finance Limited | Information & communication | 2025 |
| Liquiline Road Tanker Hire Limited | Water & waste | 2020 |
| Liquiline Water Services Ltd | Water & waste | 2020 |
| Liquiline Water Tanker Hire Ltd | Water & waste | 2020 |