| Live Events Ltd | Arts & recreation | 2018 |
| Live From Worktown CIC | Education | 2021 |
| Live Great Adventures CIC | Health & social care | 2023 |
| Live in Developments Limited | Construction | 2008 |
| Live Piano Ltd | Arts & recreation | 2013 |
| Live Publishing Limited | Information & communication | 2012 |
| Livebunni Ltd | Other services | 2018 |
| Lived Experience Limited | Other services | 2022 |
| Livegekko Ltd | Information & communication | 2016 |
| Livesey Branch Road Management Ltd | Households | 2026 |
| Livesey Funeral Service Limited | Other services | 2004 |
| Livie Mambo Ltd | Administrative & support | 2025 |
| Livinfiniti Ltd | Wholesale & retail | 2020 |
| Living Skies Short Line Ltd | Wholesale & retail | 2025 |
| Living Spaces Property Management Limited | Real estate | 2025 |
| Living Systems Ltd | Administrative & support | 2026 |
| Livwell Properties Ltd | Construction | 2019 |
| Lixup Ltd | Wholesale & retail | 2016 |
| Lizabethsoye Ltd | Professional & scientific | 2026 |
| Lizard Techs Ltd | Information & communication | 2025 |
| Lizras Limited | Other services | 2015 |
| LJ Roofing Contractors Limited | Construction | 2012 |
| Ljar Ltd | Real estate | 2025 |
| LJI Solutions Ltd | Professional & scientific | 2023 |
| LJM Commercial Services Ltd | Professional & scientific | 2024 |
| LJM Crafts & Prints Limited | Manufacturing | 2024 |
| LJP Productions Ltd | Information & communication | 2022 |
| LJP Security Ltd | Administrative & support | 2023 |
| LJZ Advising Limited | Administrative & support | 2024 |
| LK Consultancy Limited | Professional & scientific | 2017 |
| LKM Aesthetics Supplies Limited | Other services | 2021 |
| LKR Admin Limited | Administrative & support | 2026 |
| LKR Medical Ltd | Health & social care | 2023 |
| LL Lettings Ltd | Real estate | 2020 |
| LL Pizza Ltd | Hospitality | 2025 |
| Llamas Digital Limited | Information & communication | 2019 |
| Llamitai Ltd | Professional & scientific | 2019 |
| Llerraf Enterprise Ltd | Wholesale & retail | 2025 |
| Lloft Ltd | Real estate | 2025 |
| Lloyd and Wright Joinery Limited | Construction | 2007 |
| Lloyd Legal Experts Ltd | Professional & scientific | 2026 |
| Lloyd NED Experts Ltd | Professional & scientific | 2023 |
| Lloyd Property Experts Ltd | Real estate | 2020 |
| Lloydjones Builders Ltd | Construction | 2025 |
| Lloyds Metals Holdings Limited | Financial services | 2021 |
| Lloyds Metals Industries Limited | Extraterritorial | 2017 |
| Lloyds Metals Limited | Water & waste | 2013 |
| LM Build & Development Limited | Construction | 2023 |
| LM Partners Consulting Limited | Professional & scientific | 2021 |
| LM Properties Bolton Ltd | Real estate | 2025 |
| LM Property Finance Ltd | Financial services | 2026 |
| LM Residentials Limited | Real estate | 2017 |
| LMB Engineering Services Limited | Manufacturing | 2025 |
| Lmbj Limited | Manufacturing | 2024 |
| LMC Estates Limited | Real estate | 2024 |
| LMC24 Limited | Administrative & support | 2024 |
| LMF Electrical Services Ltd | Construction | 2024 |
| LMG Property Group Ltd | Construction | 2020 |
| Lmgj Residentials Limited | Real estate | 2018 |
| Lminteriors Limited | Construction | 2020 |
| LMJ Transport Ltd | Wholesale & retail | 2025 |
| Lmntal Ltd | Wholesale & retail | 2024 |
| LMR Construction and Demolition Ltd | Construction | 2024 |
| Lmslasers Ltd | Manufacturing | 2016 |
| LN NW Ltd | Construction | 2026 |
| Load Lords Ltd | Water & waste | 2025 |
| Loan Specialistuk Limited | Wholesale & retail | 2020 |
| Lobania 9 Limited | Professional & scientific | 2025 |
| Lobo Design Ltd | Information & communication | 2018 |
| Lobotech Limited | Information & communication | 2024 |
| Lobraico Limited | Information & communication | 2018 |
| Local Angels Care Ltd | Health & social care | 2022 |
| Local Authority Search Network Limited | Administrative & support | 2000 |
| Local Cafe Bolton Ltd | Hospitality | 2019 |
| Local Care Provider Ltd | Health & social care | 2025 |
| Local Community Social Care Ltd | Health & social care | 2024 |
| Local Recovery Breakdown Service (MCR) Ltd | Wholesale & retail | 2024 |
| Local Roofing Supplies (Bolton) Limited | Construction | 2024 |
| Local Trade Frames Ltd | Administrative & support | 2017 |
| Lochan Uaine Limited | Information & communication | 2024 |
| Lock 'N' Roll Limited | Other services | 2012 |
| Lockgate Animal Forensics Ltd | Professional & scientific | 2014 |
| Lockin Group Limited | Information & communication | 2024 |
| Locking Stumps Limited | Wholesale & retail | 2012 |
| Lockpath Limited | Hospitality | 2006 |
| Locksafe Installations Ltd | Construction | 2024 |
| Lockwised UK Limited | Administrative & support | 2012 |
| Lockwood & Lockwood Limited | Information & communication | 2019 |
| Loco MED Limited | Health & social care | 2020 |
| Loco Solutions Limited | Information & communication | 2014 |
| Locrating Limited | Information & communication | 2010 |
| Locum 49 Ltd | Health & social care | 2018 |
| Locum Genie Limited | Professional & scientific | 2020 |
| Locum Health Pharm Ltd | Wholesale & retail | 2024 |
| Locum Hussain Ltd | Health & social care | 2020 |
| Locum Medicare Limited | Health & social care | 2011 |
| Lodges in the Lakes Limited | Real estate | 2009 |
| Lodx Consultancy Limited | Professional & scientific | 2025 |
| Loft 24 Wine Bar Ltd | Hospitality | 2026 |
| Logan & SON Transport Ltd | Transport & logistics | 2019 |