| Laburnum Lodge Management Company Limited | Households | 1993 |
| Lack Funeral Services Limited | Other services | 2003 |
| LAI Surfacing Ltd | Construction | 2025 |
| Lake 55 Consulting Limited | Professional & scientific | 2015 |
| Lambda Construction Limited | Real estate | 1984 |
| Lambert's Autos Ltd | Wholesale & retail | 2024 |
| Lambert's Carpentry and Home Improvements Limited | Manufacturing | 2024 |
| Lamplighter Close Management Limited | Real estate | 1988 |
| Lamsin Developments Ltd | Other services | 2018 |
| Land City Ltd | Professional & scientific | 2023 |
| Land Process Ltd | Wholesale & retail | 2023 |
| Landlord Equity & Estate Ltd | Real estate | 2025 |
| Langaller Farms Limited | Agriculture & fishing | 1999 |
| Langdon House Developments Limited | Real estate | 2026 |
| Langford Installations Ltd | Construction | 2016 |
| Langlade Property Management Limited | Households | 1988 |
| Language Plus Ltd | Education | 2016 |
| Lapthorne Estates Limited | Real estate | 2003 |
| Larchfield Administration Services Limited | Administrative & support | 2024 |
| Larchfield Asset Management Limited | Real estate | 2023 |
| Lareys (Teignmouth) Management Co. Limited(The) | Households | 1986 |
| Large Events Limited | Administrative & support | 2023 |
| Lariviere - Spada Limited | Administrative & support | 2008 |
| Larkmead Homes Limited | Construction | 2015 |
| Larkspur Financial Limited | Financial services | 2025 |
| Laset Developments Ltd | Construction | 2021 |
| Laura D Fishing Limited | Agriculture & fishing | 2013 |
| Laura Dobbin Mortgage Broker Limited | Financial services | 2018 |
| Laurendean Limited | Households | 2019 |
| Lauriston Court (Torquay)Limited | Households | 1979 |
| Lauriston House Dartmouth Limited | Real estate | 2024 |
| Lavender House Management Company Limited | Professional & scientific | 2001 |
| Lavinia Maritime Ltd | Wholesale & retail | 2020 |
| Lawn & Shaftesbury House Management Company Limited | Administrative & support | 2015 |
| Lazy Daze Lodges Ltd | Hospitality | 2025 |
| LB Motors (Torquay) Limited | Wholesale & retail | 2003 |
| LC. Renov Limited | Construction | 2006 |
| LDG Enterprises LP | | 2009 |
| LE Chene Vert Limited | Agriculture & fishing | 2014 |
| LE Galion Limited | Wholesale & retail | 2020 |
| LE Gallez & Co Ltd | Professional & scientific | 2011 |
| LE Houlle Limited | Administrative & support | 2014 |
| LE Molay Management Company Limited | Households | 2006 |
| LE Placis Limited | Transport & logistics | 2001 |
| Le-Prevost Properties Limited | Extraterritorial | 1999 |
| Lective Ltd | Information & communication | 2005 |
| LEE Cliff Park Management Company Ltd | Households | 2006 |
| LEE Cliff Park RTM Company Limited | Households | 2009 |
| Lefebvre. M Limited | Construction | 2017 |
| Legacy Craft Distillers Limited | Manufacturing | 2024 |
| Legal & Retail Services Limited | Professional & scientific | 2006 |
| Leishman Design Limited | Professional & scientific | 2004 |
| LEN ROY Holdings Limited | Financial services | 2020 |
| Lendrick Management Company Limited | Households | 1991 |
| LES P'Tits Normands Limited | Wholesale & retail | 2016 |
| LES Petits Diables Limited | Wholesale & retail | 2011 |
| LES Troisgros Limited | Wholesale & retail | 2010 |
| Leslie House Medical Limited | Health & social care | 2015 |
| Level 27 Hospitality Ltd | Other services | 2025 |
| Level 33 Graphics Limited | Professional & scientific | 2015 |
| LFK Property Limited | Real estate | 2025 |
| LG Community Care Services Ltd | Health & social care | 2025 |
| LH Group SW Ltd | Construction | 2025 |
| LHB Coffee Ltd | Hospitality | 2025 |
| LHM Sales Agency Ltd | Information & communication | 2020 |
| Libatis Limited | Health & social care | 2014 |
| Life Beyond the Pension Limited | Administrative & support | 2025 |
| Lifetime Wealth Ltd | Financial services | 2017 |
| Lifton House Management Company Limited | Households | 2010 |
| Light Unleashed Ltd | Wholesale & retail | 2024 |
| Lincado Ltd | Information & communication | 2012 |
| Lincoln House Management (Southwest) Limited | Real estate | 2009 |
| Lincombe Hall Hotel Limited | Extraterritorial | 2023 |
| Lindud Limited | Real estate | 2020 |
| Linen & Oak Collections Ltd | Manufacturing | 2025 |
| Linking Associates Ltd | Administrative & support | 2020 |
| Links Field Limited | Households | 2017 |
| Links View Torquay Management Company Limited | Real estate | 1990 |
| Lipokatics Limited | Construction | 2014 |
| Lippiatt Development Engineering Consultants Ltd | Manufacturing | 2014 |
| Lisburne Place Apartments Management Company Limited | Households | 2001 |
| Lisburne Place Management Company Limited | Households | 2001 |
| Lite Conservatories Ltd | Construction | 2018 |
| Little Booteek Limited | Wholesale & retail | 2014 |
| Little Clouds Soft Play Limited | Administrative & support | 2025 |
| Little Pink PIG Ltd | Professional & scientific | 2017 |
| Little River Devon Limited | Other services | 2023 |
| Little Seals Swim School Ltd | Education | 2024 |
| Little Squirrels Torquay CIC | Education | 2020 |
| Littlecourt Flats Limited | Professional & scientific | 2009 |
| Live Limitless Ltd | Other services | 2025 |
| Livermead Cliff Hotel Limited | Extraterritorial | 2018 |
| Livermead Cliff Limited | Hospitality | 2018 |
| LIZ Timoney Consulting Ltd | Professional & scientific | 2018 |
| LJ Cleaning Ltd | Administrative & support | 2019 |
| LJC (SW) Lettings Ltd | Real estate | 2025 |
| Lloyd Wood Properties Limited | Real estate | 2016 |
| LMD Managements Ltd | Real estate | 2000 |
| LMS Clinic Ltd | Other services | 2024 |
| LMS Daneheath Ltd | Real estate | 2010 |