| Go Web & Magazine Publishing Limited | Information & communication | 2014 |
| Gonna FLY Professional Training Ltd | Education | 2018 |
| Goose Accounting Ltd | Professional & scientific | 2025 |
| Gower & South Wales Exterior Cleaning & LOG Splitting Services Ltd | Administrative & support | 2021 |
| Graham Churchill Design Ltd | Professional & scientific | 2024 |
| Granary Freehold Ltd | Households | 2022 |
| Gravel Path Consulting Ltd | Professional & scientific | 2020 |
| Grease Monkey Garage Logistics Limited | Transport & logistics | 2016 |
| Greater Slice Limited | Professional & scientific | 2025 |
| Green Fitness Limited | Arts & recreation | 2017 |
| Greengage Garden Solutions Ltd | Administrative & support | 2018 |
| Greenop Advisory Ltd | Information & communication | 2026 |
| Greinton Garage Ltd | Wholesale & retail | 2025 |
| Greyfell Ltd | Real estate | 2024 |
| Groundworx Solutions Limited | Construction | 2013 |
| GRP Garage Doors Ltd | Construction | 2026 |
| GSL Events Ltd | Arts & recreation | 2024 |
| GSS Avionics Limited | Manufacturing | 1991 |
| H a Attwood Ltd | Hospitality | 2020 |
| H2-GO Pools Ltd | Education | 2025 |
| HAM & Doulting Stone Co Limited | Mining & quarrying | 2004 |
| Hardington Capital LLP | | 2018 |
| Hardington Holdings Limited | Real estate | 2015 |
| Harrison Philpott Limited | Professional & scientific | 2013 |
| Hazelhurst Farm Ltd | Health & social care | 2019 |
| Healthy DOT Ltd | Information & communication | 2023 |
| Historic Promotions Ltd | Arts & recreation | 2002 |
| HJJ Hospitality Limited | Hospitality | 2025 |
| Hollands Garage (Somerton) Limited | Wholesale & retail | 2008 |
| Home Loving Care Ltd | Health & social care | 2023 |
| HON Tech Limited | Information & communication | 2025 |
| Hope Design Studio Limited | Professional & scientific | 2017 |
| Hosegood Heating Ltd | Construction | 2021 |
| Hot Rocks Energy Limited | Financial services | 2024 |
| Hull Haulage Ltd | Transport & logistics | 2010 |
| Hundred Monkeys Cafe and Catering Ltd | Hospitality | 2024 |
| Huntaperson Ltd | Administrative & support | 2025 |
| Hydro Heat Limited | Construction | 2021 |
| Hymas Limited | Administrative & support | 2013 |
| IAN Hepburn Limited | Professional & scientific | 2015 |
| Ilchester DRY Cleaners and Laundry Limited | Other services | 1999 |
| Inagri Limited | Manufacturing | 2026 |
| Innova Heating Ltd | Construction | 2022 |
| J & J Plumbing & Construction Limited | Construction | 2017 |
| J and S Rogers Antiques Limited | Wholesale & retail | 2001 |
| J P Property (SW) Ltd | Real estate | 2024 |
| J P Solutions (SW) Limited | Administrative & support | 2023 |
| J Poole Construction Limited | Construction | 2017 |
| J. Lister Carpentry & Construction Ltd | Manufacturing | 2024 |
| Jacala Consulting Ltd | Information & communication | 2016 |
| James Ellis Construction Limited | Construction | 2026 |
| Jamtech Communications Ltd | Information & communication | 2016 |
| Jane's Ice Creams Limited | Hospitality | 2013 |
| JK Optics Ltd | Wholesale & retail | 2018 |
| Jpaulb Ltd | Wholesale & retail | 2025 |
| K&B Property Renovations Ltd | Real estate | 2025 |
| K.T.A.E. Ltd | Information & communication | 2015 |
| Kajeno Holdings Ltd | Financial services | 2022 |
| Kajeno Ltd | Financial services | 2020 |
| Karl Green Coaching Ltd | Other services | 2022 |
| Keen & Green Limited | Professional & scientific | 2018 |
| Keith Gibbons Limited | Professional & scientific | 2014 |
| Kendor Developments Ltd | Real estate | 2016 |
| Kigumi Ltd | Manufacturing | 2026 |
| King INA Church of England Academy | Education | 2012 |
| Kingsdon Manor Management Company Limited | Households | 2016 |
| Kingshill Farming Company Ltd. | Agriculture & fishing | 1999 |
| Kirkus Consultancy Ltd | Information & communication | 2024 |
| Kunjathupatham Ltd | Wholesale & retail | 2024 |
| Kurd Barbers 46 Ltd | Other services | 2026 |
| L P Concrete Ltd | Construction | 2021 |
| L.R. Woelk Consulting Ltd | Professional & scientific | 2025 |
| L2SEVEN Consulting Limited | Professional & scientific | 2024 |
| Landhouse Development Ltd | Construction | 2013 |
| LBT Media Limited | Information & communication | 2015 |
| LEE Pester (Builders) Limited | Construction | 2003 |
| Levels Heritage Limited | Real estate | 2025 |
| LG10 Ltd | Extraterritorial | 2014 |
| Libertadcs Limited | Professional & scientific | 2015 |
| Life IS Today Co. Ltd | Wholesale & retail | 2025 |
| LIFESPAN100 Limited | Health & social care | 2019 |
| Lightwork Solar Solutions Ltd | Administrative & support | 2011 |
| Lincreal Holdings Limited | Financial services | 2024 |
| Lister Homes Limited | Real estate | 2025 |
| LIV 'N' LET Ltd | Real estate | 2001 |
| Livos Homes Limited | Real estate | 2015 |
| LIZ K Williams Consultancy Ltd | Professional & scientific | 2024 |
| Lloyd Parsons & Co Limited | Administrative & support | 1995 |
| LLR INK Limited | Professional & scientific | 2019 |
| Lmuk Services Ltd | Professional & scientific | 2021 |
| Locke Mews Limited | Households | 2007 |
| Lockhart Executive Development Limited | Professional & scientific | 2007 |
| Lomax Studio Limited | Professional & scientific | 2021 |
| Lunarla Ltd | Wholesale & retail | 2023 |
| Lydford Boilers Ltd | Construction | 2017 |
| M a Parsons Ltd | Construction | 2008 |
| M Motors Somerset Ltd | Wholesale & retail | 2026 |
| M White & Associates Limited | Professional & scientific | 2005 |
| M&M's Cafe Limited | Hospitality | 2024 |
| M.J.M Hicks Classic Cars Limited | Administrative & support | 2018 |