| L S I Office Limited | Administrative & support | 2004 |
| L Swift Accounting Services Ltd | Professional & scientific | 2018 |
| L V Nicholas Financial Planning Limited | Financial services | 2011 |
| L Whitmore Consulting Ltd | Information & communication | 2017 |
| L&A Car Care Ltd | Extraterritorial | 2023 |
| L&D Property Holding Limited | Real estate | 2017 |
| L&F Express Limited | Transport & logistics | 2025 |
| L&G Oddshop Ltd | Hospitality | 2023 |
| L&J Gulwell Funeral Directors Ltd | Extraterritorial | 2023 |
| L&L 2024 Ltd | Real estate | 2024 |
| L&L Beauty Retreat Ltd | Other services | 2018 |
| L&L Finishers Ltd | Construction | 2024 |
| L&L Trans Logistics Ltd | Transport & logistics | 2024 |
| L&Lco. Ltd | Administrative & support | 2025 |
| L&M Tree Services Ltd | Administrative & support | 2006 |
| L&P Maintenance Ltd | Administrative & support | 2023 |
| L&R Supplies Ltd | Wholesale & retail | 2025 |
| L&R Water Services Limited | Construction | 2024 |
| L&S Pipework Installations Limited | Construction | 2016 |
| L&V Construction Limited | Construction | 2014 |
| L'Ecole Francaise DE Bristol | Education | 1990 |
| L'Oro DI Napoli Ltd | Hospitality | 2025 |
| L'Étoile Studio Ltd | Wholesale & retail | 2023 |
| L. C. Munden & Sons Limited | Other services | 1976 |
| L. Norman Associates Limited | Professional & scientific | 2005 |
| L.A.D. Scaffolding Services Ltd | Construction | 2022 |
| L.D.I. Developments Limited | Construction | 2015 |
| L.E. Stagg Ltd | Real estate | 2023 |
| L.E.G. Bishop & Sons Limited | Construction | 1955 |
| L.G. Leisure Limited | Arts & recreation | 2003 |
| L.H. Property Developments Limited | Real estate | 2005 |
| L.H.D Studio Ltd | Professional & scientific | 2021 |
| L.J. Anderson & Sons Ltd | Construction | 2001 |
| L.P.G Services (Bristol) Limited | Construction | 2011 |
| L.P.R Production Limited | Information & communication | 2013 |
| L.P.S. Construction SW Ltd | Construction | 2019 |
| L.U.V Ltd | Financial services | 2019 |
| L/N Trading AS Xsupplements Ltd | Public administration | 2025 |
| L11 Ltd | Other services | 2025 |
| L1NKN P4RK Ltd | Arts & recreation | 2025 |
| L2PASS Ltd | Education | 2026 |
| L3HARRIS Mapps Limited | Manufacturing | 2005 |
| L8LIFT Ltd | Information & communication | 2023 |
| LA Baia Restaurant Ltd | Hospitality | 2019 |
| LA Bella Pizza Ltd | Hospitality | 2025 |
| LA Bottega Bristol Ltd | Hospitality | 2021 |
| LA Bristol Limited | Construction | 2010 |
| LA Campagnuola Limited | Hospitality | 2023 |
| LA Carbonara (Wiltshire) Limited | Hospitality | 2024 |
| LA Casa Property Management Limited | Households | 2010 |
| LA Childcare Limited | Health & social care | 2005 |
| LA Cuir Ltd | Manufacturing | 2023 |
| LA Electrical & Solar Ltd | Extraterritorial | 2025 |
| LA Famiglia Saltford Limited | Hospitality | 2025 |
| LA Flor DE Copan UK Limited | Financial services | 2005 |
| LA Fontanelle Limited | Financial services | 2024 |
| LA Frite Limited | Hospitality | 2026 |
| LA Group Logistics Limited | Transport & logistics | 2025 |
| LA Italia (Stroud) Ltd | Hospitality | 2025 |
| LA Lola Events Ltd | Hospitality | 2022 |
| LA Lola Street Food Ltd | Hospitality | 2021 |
| LA Mart Bristol Limited | Wholesale & retail | 2025 |
| LA Mole Blackwood Ltd | Hospitality | 2019 |
| LA Noir Maison Ltd | Extraterritorial | 2014 |
| LA Panza Limited | Hospitality | 2021 |
| LA Primavera Morado Ltd | Real estate | 2024 |
| LA Properties (Bristol) Ltd | Real estate | 2026 |
| LA Rabita Ltd | Real estate | 2024 |
| LA Reine Esthetique Limited | Other services | 2026 |
| LA Retreats Limited | Arts & recreation | 2023 |
| LA Rocca Bristol Ltd | Hospitality | 2022 |
| LA Romanina Limited | | 1979 |
| LA Roux Properties Ltd | Households | 2023 |
| LA Structural Steelwork Ltd | Construction | 2013 |
| LA Terra (Bath) Limited | Hospitality | 2021 |
| LA Terraza (Marlborough) Ltd | Hospitality | 2024 |
| LA Thermal Ltd | Construction | 2026 |
| LA VIE EN Beauty Ltd | Other services | 2025 |
| LA Vita Showroom Limited | Wholesale & retail | 2022 |
| LA Williams Ltd | Professional & scientific | 2024 |
| LA Windows Ltd | Construction | 2019 |
| LAB 53 Limited | Manufacturing | 1987 |
| LAB Code Ltd | Information & communication | 2024 |
| LAB Financial Planning Ltd | Professional & scientific | 2023 |
| LAB Seven Ltd | Other services | 2023 |
| Lab-Sea-Systems Ltd | Construction | 2018 |
| Label Menswear Ltd | Wholesale & retail | 2020 |
| Label North Limited | Manufacturing | 2025 |
| Labinstruments PC | | 2020 |
| Labnet Ltd | Professional & scientific | 2026 |
| Labon Enterprise Ltd | Real estate | 2022 |
| Labour Behind the Label | Other services | 2001 |
| Labour Force (Bristol) Ltd | Construction | 2015 |
| Labour Force Direct Ltd | Construction | 2003 |
| Labspace Ltd | Arts & recreation | 2022 |
| Laburnum Down Ltd | Professional & scientific | 2026 |
| Labyrinth Circus Productions Ltd | Arts & recreation | 2023 |
| LAC Accounting Limited | Professional & scientific | 2012 |
| LAC Civil Engineering & Plant Hire Limited | Extraterritorial | 2001 |
| Lace Lingerie UK Ltd | Wholesale & retail | 2010 |