| Hi-Tec Electrical Ltd | Administrative & support | 2018 |
| HK Restaurant Limited | Hospitality | 2017 |
| Home & Garden Somerset Limited | Extraterritorial | 2021 |
| Horizon Building Contractors Ltd | Construction | 2017 |
| In-Finity Literacy Limited | Education | 2014 |
| Infocross Limited | Education | 1996 |
| Inside Line Media Ltd | Information & communication | 2023 |
| Intriguing Brands Limited | Wholesale & retail | 2012 |
| IT Viorel Logistics Ltd | Transport & logistics | 2026 |
| Jace Designs Ltd | Professional & scientific | 2017 |
| Jade's Kitchen Limited | Hospitality | 2025 |
| James & Co (1998) Limited | Professional & scientific | 2008 |
| JDA Care Limited | Health & social care | 1995 |
| Jeca Designs Ltd | Professional & scientific | 2017 |
| Jemima's Quality Cakes & Catering Limited | Hospitality | 2017 |
| Jenson Eclipse Ltd | Wholesale & retail | 2023 |
| JHT Manning Ltd | Wholesale & retail | 2022 |
| Jjbrands Limited | Wholesale & retail | 2011 |
| JKB Electrical (SW) Limited | Construction | 2012 |
| JTS Investing Limited | Real estate | 2024 |
| Judgevault Limited | Households | 1985 |
| K.S. Burrow Plumbing and Heating Limited | Construction | 2002 |
| K5 Motors Limited | Wholesale & retail | 2026 |
| Key Property Associates Ltd | Real estate | 2014 |
| Kezva Ltd | Administrative & support | 2022 |
| Kingsway Construction Management Limited | Professional & scientific | 2004 |
| Koslantina Limited | Hospitality | 2021 |
| KPA LLP | | 2007 |
| KPA Property Family Assets Ltd | Real estate | 2024 |
| KPA Property Family Holdings Ltd | Real estate | 2020 |
| KPA Property Ltd | Real estate | 2019 |
| KPA Propfam FH Ltd | Real estate | 2025 |
| KRA Electrical Ltd | Construction | 2018 |
| Laura’S Property Management Ltd | Households | 2023 |
| LB Brands Ltd. | Wholesale & retail | 2021 |
| LEE Sing Limited | Hospitality | 2002 |
| Leisure Sales Services by Kara Berryman Ltd | Wholesale & retail | 2025 |
| Leisure West Limited | Transport & logistics | 2021 |
| Les’S Locksmith and Building Services Ltd | Construction | 2019 |
| Lexena Digital Limited | Information & communication | 2025 |
| Light House Barbershop Ltd | Other services | 2021 |
| Lighting the Way Limited | Extraterritorial | 2016 |
| Linhay Photography & Media Services Limited | Professional & scientific | 2011 |
| Litenblomma Limited | Administrative & support | 2017 |
| Little Lamb Limited | Extraterritorial | 2005 |
| Live Brand Limited | Arts & recreation | 2016 |
| Loaded Lunch Ltd | Wholesale & retail | 2025 |
| Lovefromtheartist.Org. CIC | Manufacturing | 2015 |
| LR Creative Studio Limited | Professional & scientific | 2021 |
| Lucidiq Ltd | Information & communication | 2024 |
| Lucigence Consulting Limited | Information & communication | 2009 |
| Luna Coffee Limited | Wholesale & retail | 2013 |
| Luna Coffee Properties Limited | Real estate | 2025 |
| M & EM Holdings Limited | Financial services | 2020 |
| M & M Lettings (South West) Limited | Real estate | 2006 |
| M H R Hicks Leisure Limited | Agriculture & fishing | 2006 |
| M.H.R. Hicks Limited | Financial services | 1991 |
| Macbeth Associates Ltd | Professional & scientific | 2013 |
| Macbeth Holdings Ltd | Real estate | 2020 |
| Macbeth Holdings SPV1 Ltd | Real estate | 2025 |
| Maden Homes and Property Ltd | Real estate | 2024 |
| Madrones Ltd | Professional & scientific | 2024 |
| Main Street Motors & Parts Limited | Wholesale & retail | 2025 |
| Managed Construction Ltd | Construction | 2024 |
| Managed Property Ltd | Real estate | 2025 |
| Maniacs.Gg Ltd | Professional & scientific | 2023 |
| Manor Prime South West Limited | Real estate | 2016 |
| Maram Consultants Limited | Professional & scientific | 2020 |
| Martin Pople Design & Build Limited | Construction | 2006 |
| Material Needs (Burnham) Ltd | Wholesale & retail | 2015 |
| Matt's Block Shop Ltd | Wholesale & retail | 2023 |
| MD Digital Services Ltd | Information & communication | 2021 |
| Medipills Ltd | Wholesale & retail | 2020 |
| Menovida Limited | Information & communication | 2024 |
| Millennium Property (SW) Ltd | Construction | 2022 |
| Mondonovo Limited | Other services | 2019 |
| Montgomery Fields Management Company Ltd | Real estate | 2021 |
| Moore Broadband Solutions Ltd | Information & communication | 2021 |
| Mopella Cleaning Services Ltd | Administrative & support | 2025 |
| MR Dent Ltd | Wholesale & retail | 2008 |
| Munameta Limited | Health & social care | 2014 |
| Mynett Electrical Limited | Construction | 2003 |
| N & P Lettings Limited | Real estate | 2022 |
| N Cottle Building and Property Maintenance Ltd | Construction | 2016 |
| Nailed IT Farriery Ltd | Agriculture & fishing | 2022 |
| NAM Manufacturing Limited | Manufacturing | 2020 |
| Nap-Ease Limited | Wholesale & retail | 2000 |
| Ndab LLP | | 2025 |
| New Season Chinese Limited | Hospitality | 2026 |
| Next Generation Elite Football Coaching Ltd | Education | 2025 |
| Nichols Facilities Management Ltd | Administrative & support | 2017 |
| Nick’S INK Tattoo Studio Ltd | Arts & recreation | 2026 |
| Normalglen Limited | Wholesale & retail | 1982 |
| North Roofing Limited | Construction | 2006 |
| NRG Pro Ltd | Construction | 2023 |
| NRG Training & Development Ltd | Professional & scientific | 2008 |
| Nulite Lighting Limited | Wholesale & retail | 1990 |
| Odyssey Games Limited | Wholesale & retail | 2024 |
| Ogni Volta Ltd | Hospitality | 2022 |
| Opal Medical Ltd | Other services | 2025 |