| Half Moon Court Management Company Limited | Real estate | 2024 |
| Harbour View Guest House Limited | Hospitality | 2018 |
| Harper & Hunter Fishing Ltd | Agriculture & fishing | 2025 |
| Harte Retail Ltd | Wholesale & retail | 2024 |
| Hartis Homes Ltd | Real estate | 2025 |
| Hatched EGG Ltd | Financial services | 2003 |
| Heads Properties Limited | Real estate | 2014 |
| Heavy Duty Gymwear Ltd | Manufacturing | 2021 |
| Henara Ltd | Financial services | 2019 |
| Henley Brewing and Distilling Company Limited | Manufacturing | 2019 |
| Higher Southills Storage Limited | Transport & logistics | 2016 |
| Holwell Property Consultants Ltd | Real estate | 2022 |
| Home Study Zone Limited | Education | 2014 |
| Horizon Consulting Limited | Professional & scientific | 2022 |
| Hovegram Limited | Information & communication | 1989 |
| Hughes Building Maintenance Limited | Construction | 2007 |
| Humanescence Ltd | Professional & scientific | 2025 |
| Hunter-Fleming Limited | Health & social care | 1999 |
| Huskarl Limited | Information & communication | 2017 |
| IAN Perkes Fish Merchants Limited | Wholesale & retail | 2004 |
| Ideal Ventures HWT Limited | Hospitality | 2009 |
| IKE Marine Limited | Agriculture & fishing | 2022 |
| Independent Retail Help Ltd | Professional & scientific | 2019 |
| Innovator Fisheries Limited | Agriculture & fishing | 2017 |
| Into the West Ltd | Wholesale & retail | 2026 |
| Irizistabulldogs Ltd | Wholesale & retail | 2025 |
| Isit Computers Ltd. | Information & communication | 2003 |
| J Thomas Agencies Limited | Wholesale & retail | 2022 |
| J. Bowden Auto Services Limited | Wholesale & retail | 2011 |
| J7 Fire Sprinklers Ltd | Administrative & support | 2022 |
| J7 Marine Services Ltd | Professional & scientific | 2022 |
| J7JEWELS Ltd | Wholesale & retail | 2025 |
| Jacobs Feasey Associates Ltd | Professional & scientific | 2012 |
| Jcampsventure Ltd | Wholesale & retail | 2023 |
| Jeff Loder Engineering Limited | Administrative & support | 2012 |
| Jezboo Ltd | Wholesale & retail | 2024 |
| JFB Entertainments (SW) Limited | Arts & recreation | 2006 |
| JNA Brixham Limited | Hospitality | 2016 |
| JNH Properties Ltd | Real estate | 2019 |
| JNS Fishing Limited | Agriculture & fishing | 2017 |
| Jobro Business Solutions Ltd | Professional & scientific | 2018 |
| John Fallon Limited | Construction | 2014 |
| John Kelly Fresh Fish Limited | Agriculture & fishing | 2008 |
| John Reid & SON (Holdings) Limited | Financial services | 2014 |
| John Reid & SON (Islay Industries) Limited | Manufacturing | 2011 |
| Jones Marine Enterprises Limited | Agriculture & fishing | 2018 |
| Jonoliver Logistics Engineering Limited | Professional & scientific | 2026 |
| Just Drive SW Ltd | Financial services | 2022 |
| K&S Davies Ltd | Agriculture & fishing | 2022 |
| KCJ Fishing Limited | Agriculture & fishing | 2012 |
| Kebab Bites Limited | Hospitality | 2016 |
| Kelvin Court Management Association RTM Company Limited | Households | 2012 |
| Kent Soper Life and Pensions Limited | Financial services | 1982 |
| Key Educational Travel Limited | Administrative & support | 1993 |
| Kingsteignton Car Care Centre Limited | Wholesale & retail | 2003 |
| Kingsteignton Springwater Limited | Construction | 2005 |
| Kingswear Court Management Limited | Households | 1967 |
| KNI Ltd | Real estate | 2019 |
| Knight-Bird Ltd | Professional & scientific | 2012 |
| KYD Ltd | Hospitality | 2019 |
| Kyla C Fishing Limited | Agriculture & fishing | 2018 |
| L J Boyce Limited | Real estate | 2001 |
| L.H. Services S/W Co. Limited | Hospitality | 2000 |
| Langley Close Management Company Limited | Administrative & support | 2015 |
| Larder & Garden Ltd | Hospitality | 2023 |
| Law Line Limited | Professional & scientific | 2025 |
| LB Electrical Services (SW) Ltd | Construction | 2023 |
| LBM Technologies Limited | Information & communication | 2014 |
| LD Glover (2009) Limited | Administrative & support | 2009 |
| Leaky Finders Ltd | Manufacturing | 2018 |
| Learn NOW Distance Learning College Limited | Education | 2014 |
| LEE & LEE Extensions & Conversions Ltd | Construction | 2009 |
| LEE & LEE Properties Ltd | Real estate | 2021 |
| LEE Allen Limited | Administrative & support | 2003 |
| Leedale Trawlers Limited | Agriculture & fishing | 1999 |
| Leemccrum Ltd | Construction | 2023 |
| Legacy Lettings and Property Management Ltd | Real estate | 2023 |
| Lekker Software Ltd | Information & communication | 2013 |
| Lemonbuilder Ltd | Construction | 2023 |
| LH Supply Chain Ltd | Professional & scientific | 2008 |
| Liberal House (Management) Co. Ltd. | Real estate | 2018 |
| Linden Court Management Company (Brixham) Limited | Other services | 2005 |
| Lionheart Holdings Limited | Professional & scientific | 2017 |
| Little Acorn Nursery Schools Limited | Education | 1999 |
| Livingdesigns Co UK Ltd | Wholesale & retail | 2000 |
| Lj's Vroom & Groom Services Ltd | Other services | 2026 |
| LJC Plastering (SW) Ltd | Construction | 2024 |
| Lorna M Associates Ltd | Administrative & support | 2025 |
| Lott & Langley (SW) Limited | Construction | 2012 |
| Lott Enterprises Limited | Construction | 2022 |
| Lovetobrunch Ltd | Hospitality | 2025 |
| Luke Barton Ltd | Professional & scientific | 2025 |
| Lupton CIC | Administrative & support | 2008 |
| Lyden Bros Roofing Ltd | Construction | 2025 |
| Lyme Bay Drifter Ltd | Agriculture & fishing | 2020 |
| Lyndhurst Footsteps Limited | Health & social care | 2021 |
| M & R Construction (SW) Limited | Construction | 2016 |
| M Village Ventures Limited | Professional & scientific | 2025 |
| M&L Trawlers Limited | Agriculture & fishing | 2007 |
| Macy Fishing Limited | Agriculture & fishing | 2018 |