| Limetree Supplies Limited | Wholesale & retail | 2011 |
| Limoncello (Cambridge) Limited | Hospitality | 2010 |
| Limrah Construction Ltd | Construction | 2020 |
| Limrah Education Ltd | Education | 2022 |
| Limrah Homes Ltd | Real estate | 2017 |
| Lin's Consulting Group Ltd | Professional & scientific | 2025 |
| Linaro Group Limited | Information & communication | 2025 |
| Linaro Limited | Information & communication | 2010 |
| Linaud Limited | Professional & scientific | 2007 |
| Lincam Ltd | Hospitality | 2011 |
| Lincoln Grove Residents Management Company Limited | Households | 2010 |
| Linden Leaf Botanicals Limited | Manufacturing | 2018 |
| Lindenbrook Limited | Professional & scientific | 2002 |
| Lindhythe Limited | Professional & scientific | 1969 |
| Lindley International Ltd | Transport & logistics | 2019 |
| Lindmy Properties Limited | Administrative & support | 2008 |
| Lineage Holdings Ltd. | Financial services | 2017 |
| Lineage Investments Limited | Construction | 2022 |
| Linfinitygnss Ltd | Information & communication | 2023 |
| Lingcheng Runze Technology Co., Ltd | Wholesale & retail | 2024 |
| Lingholme Circle Ltd | Administrative & support | 2011 |
| Lingholme Close (Cambridge) Management Company Limited | Households | 1961 |
| Linguist Education Limited | Information & communication | 2013 |
| Lingwood RIX Limited | Professional & scientific | 1995 |
| Lingzhi Trading Co., Ltd | Wholesale & retail | 2023 |
| Linhai Chengxing Copper Fitting Co., Ltd | Extraterritorial | 2020 |
| Linjia Limited | Wholesale & retail | 2025 |
| Link China Solutions Ltd | Wholesale & retail | 2004 |
| Link IT Cambridge Ltd | Information & communication | 2024 |
| Linkbridge International Ltd. | Administrative & support | 2024 |
| Linkcommerce Limited | Wholesale & retail | 2025 |
| Linkd Infrastructure Limited | Professional & scientific | 2023 |
| Linkfluence Innovations Ltd | Information & communication | 2025 |
| Linklinks Ltd | Information & communication | 2012 |
| Linkwills Education Ltd | Information & communication | 2023 |
| Linkzill Ltd. | Manufacturing | 2023 |
| Linnea Consulting Limited | Professional & scientific | 2015 |
| Lintner Art Gear Limited | Manufacturing | 2020 |
| Linton Fields Limited | Administrative & support | 2009 |
| Linton Gents Ltd | Other services | 2026 |
| Linton Pharmacy Limited | Wholesale & retail | 2008 |
| Linton Road (Great Abington) LLP | | 2018 |
| Linton Village Motors Limited | Wholesale & retail | 1998 |
| Lion & Bird Construction Services Ltd | Professional & scientific | 2023 |
| Lion Plastering & Rendering Ltd | Construction | 2026 |
| Lionheart Lifting Limited | Manufacturing | 2022 |
| Liora Wealth Limited | Financial services | 2023 |
| Lioris Prime Limited | Wholesale & retail | 2026 |
| Liquatek Limited | Construction | 1992 |
| Liquid Equity Consulting Limited | Professional & scientific | 2025 |
| Liquidai Limited | Professional & scientific | 2021 |
| Liquorice Design Limited | Arts & recreation | 2005 |
| Lisa Bose (UK) Personal Care Ltd | Manufacturing | 2025 |
| Lisa Court Management Company Limited | Households | 1993 |
| Lisa Skinner Associates Ltd | Professional & scientific | 2023 |
| Liscott Limited | Construction | 2021 |
| Lishui Liandu Import Export Co., Limited | Wholesale & retail | 2024 |
| Liskop Management Company Limited | Real estate | 1980 |
| Lispworks Ltd. | Information & communication | 2004 |
| Lite Export Co., Limited | Wholesale & retail | 2024 |
| Little Alien Pictures Limited | Information & communication | 2017 |
| Little Bison Films Ltd | Information & communication | 2019 |
| Little Explorers Montessori Nursery Limited | Education | 2022 |
| Little Fish Lifestyle Limited | Real estate | 2017 |
| Little Fish Solutions Ltd | Manufacturing | 2013 |
| Little Gems (Cambridge) Ltd | Health & social care | 2019 |
| Little Iris Ltd | Manufacturing | 2025 |
| Little Lamp Media Limited | Other services | 2023 |
| Little Mole Krtek Ltd | Professional & scientific | 2026 |
| Little Petra Ltd | Hospitality | 2019 |
| Little Picks Ltd | Information & communication | 2023 |
| Little Piggy Catering Ltd | Hospitality | 2019 |
| Little Piggy Holdings Ltd | Financial services | 2022 |
| Little Piggy Kitchen Limited | Hospitality | 2022 |
| Little Roos Ltd | Wholesale & retail | 2020 |
| Little Shelford Flooring Limited | Construction | 2005 |
| Little Sprouts Play Cafe Ltd | Hospitality | 2026 |
| Little Stars Day Nursery Inc Ltd | Education | 2012 |
| Little Treasures Mildenhall C.I.C. | Education | 2010 |
| Little Vanity Ltd | Wholesale & retail | 2025 |
| Little Venice Partners LLP | | 2012 |
| Little Wing Records Ltd | Wholesale & retail | 2024 |
| Littleaqua Academy Limited | Education | 2020 |
| Littlefish FX Limited | Administrative & support | 2011 |
| Live Advantage PVT. Ltd | Manufacturing | 2023 |
| Liven Intl Trade Co., Limited | Extraterritorial | 2023 |
| Liverbridge Limited | Real estate | 2025 |
| Liverpool Art-Intelligence Ltd | Professional & scientific | 2025 |
| Liverpool Plumbing Limited | Extraterritorial | 2022 |
| Lives SET in Motion CIC | Health & social care | 2010 |
| Livetag Limited | Administrative & support | 1996 |
| Livia Elena C Limited | Manufacturing | 2018 |
| Liviarto Limited | Construction | 2025 |
| Living Consulting Group Limited | Real estate | 2024 |
| Living Services Ltd | Hospitality | 2016 |
| Liviu Cozma Ltd | Manufacturing | 2024 |
| Livneh Consulting Ltd | Information & communication | 2025 |
| Livra Technologies Ltd | Information & communication | 2026 |
| Livsanma Limited | Transport & logistics | 2004 |
| Lixion Limited | Professional & scientific | 2016 |