| Laing Russell Ltd | Professional & scientific | 2018 |
| Lake & Co. Flooring Ltd | Construction | 2022 |
| Lake END Software Limited | Information & communication | 2003 |
| Lake-District.Com Limited | Information & communication | 1999 |
| Lakeandtownhomes Limited | Real estate | 2022 |
| Lakeside Court (Cheltenham) Limited | Extraterritorial | 1985 |
| Lakeside Property Ltd | Real estate | 2001 |
| Lakeside Property Rentals LLP | | 2023 |
| Lakota House Limited | Real estate | 2019 |
| Lalalu Ltd | Information & communication | 2020 |
| Lambert Trading Services Ltd | Professional & scientific | 2020 |
| Lambie Property Services Limited | Construction | 2026 |
| Lambney Properties Ltd | Real estate | 2023 |
| Lambournes Butchers at Stow Ltd | Manufacturing | 2022 |
| Lambournes Butchers Ltd | Wholesale & retail | 2009 |
| Lamma Enterprises Limited | Real estate | 2022 |
| LAN 2 LAN Limited | Information & communication | 1994 |
| Lancaster SIX Limited | Financial services | 2022 |
| Lanchuang Trade Limited | Wholesale & retail | 2023 |
| Land Compensation Experts Ltd | Information & communication | 2025 |
| Land Lyft Ltd | Construction | 2026 |
| Land Utility Group Limited | Administrative & support | 2016 |
| Landchain Developments Limited | Real estate | 2019 |
| Landgate Management Company Limited | Administrative & support | 2000 |
| Landlord Safeguarding Ltd | Real estate | 2025 |
| Landlord Smart Limited | Administrative & support | 2016 |
| Landmark Country Limited | Financial services | 2023 |
| Landour Gardens Management Limited | Households | 1986 |
| Landscape Services (UK) Limited | Administrative & support | 2007 |
| Landsdown Obel Properties Limited | Real estate | 2025 |
| Lane Britton and Jenkins Holdings Limited | Real estate | 2017 |
| Langdon and SON Ltd | Professional & scientific | 2024 |
| Langholme Residents Association (Cheltenham) Limited | Households | 1983 |
| Langstaffs Ltd | Professional & scientific | 2011 |
| Langton Court Management (Cheltenham) Company Ltd | Households | 2007 |
| Language Learning Solutions Ltd | Information & communication | 2022 |
| LANGUAGES4YOU Limited | Professional & scientific | 2010 |
| Lanikai Investments Limited | Real estate | 2024 |
| Lansdown Advisory Limited | Professional & scientific | 2026 |
| Lansdown Art Studios CIC | Arts & recreation | 2023 |
| Lansdown Bathrooms Limited | Wholesale & retail | 2017 |
| Lansdown Business Hub Ltd | Real estate | 2024 |
| Lansdown Crescent Management Company Limited | Households | 1975 |
| Lansdown Kitchens Limited | Manufacturing | 2021 |
| Lansdown LEA Management Company Limited | Households | 1996 |
| Lansdown Management Limited | Households | 1991 |
| Lansdown Partners Ltd | Professional & scientific | 2011 |
| Lansdown Place Driveway Committee Limited | Real estate | 2008 |
| Lansdown Properties (Cheltenham) Limited | Real estate | 1984 |
| Lansdown Properties Ltd | Construction | 2024 |
| Lansdown Publicity Limited | Professional & scientific | 1987 |
| Lansdown Rise Property Management Company Limited | Households | 2019 |
| Lansdown Roofing Ltd | Construction | 2011 |
| Lansdown Scaffolding Contracts Limited | Extraterritorial | 1994 |
| Lansdown Scaffolding Limited | Extraterritorial | 1994 |
| Lansdowne Walk Nominees Limited | Professional & scientific | 2026 |
| Lansdownfisher Ltd | Financial services | 2019 |
| Lansford Access Limited | Wholesale & retail | 1976 |
| Lansford Homes Limited | Extraterritorial | 2009 |
| Lansford Limited | Extraterritorial | 2009 |
| Lantar Developments Ltd | Construction | 2021 |
| Lantern Design Ltd | Professional & scientific | 2014 |
| Lantern Publishing Limited | Information & communication | 2011 |
| Lanza Architects Limited | Professional & scientific | 2020 |
| Larch Voyages Ltd | Administrative & support | 2022 |
| Larkspur Contractors Limited | Construction | 2016 |
| Larner Holdings Ltd | Financial services | 2020 |
| Laroche Daycare Nurseries Ltd | Education | 2005 |
| Lars Homes Limited | Real estate | 2026 |
| Larvotto Group Limited | Professional & scientific | 2022 |
| Lasco Marketing Limited | Professional & scientific | 2015 |
| Laser Quay Office Management Limited | Households | 1988 |
| Laser Scty UK Ltd | Other services | 2020 |
| Latham & Taylor Ltd | Wholesale & retail | 2018 |
| Latham Landscaping Ltd | Administrative & support | 2018 |
| Latitude 52 Limited | Other services | 1985 |
| Launch Solutions Ltd | Information & communication | 2014 |
| Launchdarkly Ltd. | Information & communication | 2021 |
| Laundry Insight Ltd | Professional & scientific | 2013 |
| Laundry Runnerz Ltd | Other services | 2023 |
| Laura Elizabeth Psychiatry Ltd | Health & social care | 2024 |
| Laura Healy Limited | Administrative & support | 2020 |
| Laura Hellier Hair Stylist Ltd | Other services | 2019 |
| Laura Leigh Hairdressing Ltd | Other services | 2010 |
| Laura Winter Ltd | Information & communication | 2022 |
| Lauren Obee Legal Ltd | Professional & scientific | 2023 |
| Laurence Claude Limited | Arts & recreation | 2019 |
| Laurier Partners Ltd | Hospitality | 2023 |
| Laurito Capital Limited | Real estate | 2026 |
| Laurito Real Estate Limited | Real estate | 2026 |
| Lavender Consultancy Limited | Professional & scientific | 2025 |
| Lavender Cosmetics Limited | Manufacturing | 2003 |
| Lavender Meadow Ltd | Agriculture & fishing | 2024 |
| Lavender Mortgages Ltd | Financial services | 2019 |
| Lavendro Clean & Care Services Ltd | Administrative & support | 2025 |
| Lavoir Ltd | Manufacturing | 2025 |
| Lawbook Consulting Limited | Professional & scientific | 2000 |
| Lawrence Alignments Ltd | Health & social care | 2025 |
| Lawrence Holdings Limited | Financial services | 2000 |
| Lawsonclarke Limited | Real estate | 1981 |