| Embaset Ltd | Information & communication | 2025 |
| Essential QI Limited | Health & social care | 2002 |
| Evergreen Brothers Ltd | Construction | 2025 |
| Explore More Consulting Ltd | Professional & scientific | 2024 |
| Extracting Value Limited | Administrative & support | 2014 |
| FAT Goose Limited | Hospitality | 2013 |
| Fielding House Limited | Households | 2002 |
| Firebird Programme Management Ltd | Information & communication | 2020 |
| Fisher Russell LLP | | 2009 |
| Foldhill Financial Services Limited | Financial services | 2020 |
| Forward Care Ltd | Health & social care | 2017 |
| Forwardlocums Ltd | Health & social care | 2020 |
| Full Scale Ltd | Information & communication | 2008 |
| G F Osmond Holdings Ltd | Financial services | 2026 |
| G F Osmond Properties Ltd | Real estate | 2026 |
| Galburn Limited | Information & communication | 2024 |
| GEB AV Ltd | Wholesale & retail | 2017 |
| GET IT Dunn Ltd | Arts & recreation | 2016 |
| Glamp Carp Ltd | Hospitality | 2025 |
| Glow Contractors Ltd | Construction | 2020 |
| Gray TOR Ltd | Health & social care | 2026 |
| Great Western Auto Repair Ltd | Wholesale & retail | 2025 |
| Hallworth Limited | Construction | 2003 |
| Handsontv Ltd | Professional & scientific | 2023 |
| Happycrown Limited | Other services | 2023 |
| Harmax IT Support Limited | Information & communication | 2005 |
| Hatch Chapel Ltd | Real estate | 2024 |
| HEATINGOILCOMPARE4U Ltd | Administrative & support | 2016 |
| Helen Laxton Dance Company Limited | Education | 2019 |
| Hetty Burton Limited | Arts & recreation | 2019 |
| Hezair Ltd | Manufacturing | 2026 |
| Hortal Building Enterprises Limited | Professional & scientific | 1976 |
| Imogen's Ltd | Manufacturing | 2021 |
| Imojo Ltd | Professional & scientific | 2010 |
| Inanna Talisman Ltd | Wholesale & retail | 2025 |
| Info System Solutions Ltd | Administrative & support | 2014 |
| Inglewood PUB Co Limited | Wholesale & retail | 2011 |
| INSIGHT2EXCELLENCE Limited | Education | 2025 |
| Interline Services Group Ltd | Wholesale & retail | 2007 |
| Ivydene Consultants Ltd | Professional & scientific | 2020 |
| J Gardiner Properties Ltd | Real estate | 2025 |
| J.W. Baker Limited | Wholesale & retail | 1999 |
| Jaac Ventures Ltd | Real estate | 2026 |
| Jade Consultancy Solutions Ltd | Professional & scientific | 2014 |
| James Ellis Design Limited | Administrative & support | 1999 |
| JH & PJ Lloyd Builders Limited | Construction | 2011 |
| JHK Solutions Limited | Real estate | 2022 |
| Jigsaw Holdings Group Limited | Financial services | 2019 |
| JJS South West Limited | Administrative & support | 2010 |
| Johnson-Smith Energy Ltd | Construction | 2022 |
| JOM Accessibility Ltd | Professional & scientific | 2025 |
| Jrbk Trading Limited | Wholesale & retail | 2011 |
| Jsdiagnostics Ltd | Wholesale & retail | 2024 |
| Jtor Consultancy Limited | Professional & scientific | 2008 |
| K.S. Electrics (SW) Limited | Construction | 2003 |
| Kinori Ltd | Hospitality | 2009 |
| Lamport Bros. Music Ltd | Information & communication | 2012 |
| Lamport, Lamport & Lamport Limited | Real estate | 2007 |
| Lander Commercial Interiors Limited | Construction | 2013 |
| LD Irrigation Solutions Ltd | Construction | 2024 |
| Leyfloor Limited | Construction | 2001 |
| Life (SW) Limited | Education | 2015 |
| Lifelive UK Ltd | Arts & recreation | 2025 |
| Lightworks Audio Ltd | Wholesale & retail | 2024 |
| Little Heritage Homes Ltd | Real estate | 2024 |
| Luffman (Contracts) Ltd | Professional & scientific | 2015 |
| Lustful Larder Ltd | Wholesale & retail | 2025 |
| Luzir Ltd | Information & communication | 2026 |
| Lynda Kemp & Associates Limited | Health & social care | 2004 |
| M a Dalwood Plumbing and Heating Ltd | Construction | 2025 |
| M L Dalwood Plumbing & Heating Ltd | Construction | 2023 |
| M3 Community Partnership C.I.C. | Arts & recreation | 2006 |
| Majorlee Properties Ltd | Real estate | 2025 |
| Marc Mcgowan AV & Electrical Systems Ltd | Construction | 2026 |
| Marc Todd Art Ltd | Arts & recreation | 2014 |
| Marquee Mania Limited | Wholesale & retail | 2001 |
| Martock Gallery Ltd | Manufacturing | 2022 |
| Martock Opticians Ltd | Health & social care | 2002 |
| Martock Pride C.I.C. | Hospitality | 2025 |
| Martock Watermans Limited | Manufacturing | 1977 |
| Matilda Temperley Photography Ltd | Professional & scientific | 2012 |
| Michael a White Limited | Administrative & support | 2003 |
| Mike Costigan Limited | Construction | 2003 |
| Mill Close (Misterton) Management Company Limited | Households | 2023 |
| Millbrook Farm Ltd | Agriculture & fishing | 2019 |
| Milli Hill Ltd | Information & communication | 2020 |
| Mini Kingdom Soft Play Ltd | Hospitality | 2025 |
| ML & V Solutions Limited | Wholesale & retail | 2010 |
| MLC IT Solutions Limited | Information & communication | 2025 |
| Montague Hurrell Ltd | Administrative & support | 2015 |
| Moreton-Russell Limited | Administrative & support | 2014 |
| Morley Consulting Solutions Limited | Professional & scientific | 2026 |
| MPJ Consultancy Limited | Professional & scientific | 2021 |
| Mulberry Developments (SW) Ltd | Construction | 2019 |
| NBP Electrical Limited | Manufacturing | 2002 |
| Neals Coatings Ltd | Wholesale & retail | 1986 |
| Neil Massey Roofing Specialist Ltd | Construction | 2016 |
| Niche Yachting Ltd | Administrative & support | 2022 |
| Nick Robinson & Associates Limited | Other services | 2012 |
| NPC Engineering Limited | Professional & scientific | 2007 |