| Neurodiverse Sport CIC | Education | 2022 |
| NGL Utility Services Ltd | Construction | 2019 |
| Nick Aplin Limited | Construction | 2010 |
| Noble Manhattan Coaching Ltd | Education | 2002 |
| Olive and Wilde Studios Ltd | Professional & scientific | 2025 |
| P W B Electrics Limited | Construction | 2006 |
| Phil Walsh Heating Ltd | Construction | 2006 |
| Phoenix Electrical and Plumbing Services Ltd | Construction | 2017 |
| Picotech Ltd | Information & communication | 2007 |
| Piddle Valley Chicken Ltd | Agriculture & fishing | 2016 |
| Piermax Capital Ltd | Financial services | 2019 |
| Piermax Limited | Real estate | 2012 |
| Piporloco Properties Ltd | Financial services | 2022 |
| Premier Windows (Dorset) Ltd | Construction | 2011 |
| Prescombe Sporting Limited | Agriculture & fishing | 2003 |
| Purbeck Electronics Ltd | Manufacturing | 2015 |
| R Fowler Electrical Services Limited | Construction | 2017 |
| R L T Power Ltd | Administrative & support | 2018 |
| RAE of Hope Fishing Ltd | Agriculture & fishing | 2010 |
| Relay Electrics Ltd | Construction | 2019 |
| RGW Enterprises Ltd | Hospitality | 2011 |
| Ride Bridport Ltd | Professional & scientific | 2021 |
| Roadside Car Care Ltd | Wholesale & retail | 2023 |
| Roman and FOX Ltd | Construction | 2020 |
| Rooted Hair Ltd | Other services | 2025 |
| Selected Grapes Ltd | Wholesale & retail | 2019 |
| Sherberton Limited | Professional & scientific | 2014 |
| Sidmouth Tyres & Exhausts Ltd | Wholesale & retail | 2008 |
| Sidmouth Tyres Limited | Wholesale & retail | 2018 |
| SLS Lubricants Limited | Administrative & support | 2026 |
| Special Sauce Training Ltd | Administrative & support | 2014 |
| Spencer IVY Electric Bicycles Limited | Manufacturing | 2013 |
| Spiderbaby Consulting Limited | Hospitality | 2018 |
| Stephen Thomas Resources Ltd | Real estate | 2004 |
| Steptoes Ltd | Wholesale & retail | 2006 |
| Suuri Ltd | Extraterritorial | 2016 |
| Switched on Electrical Engineers Limited | Construction | 2013 |
| Switched on Renewables Limited | Administrative & support | 2015 |
| T Hayne Construction Ltd | Construction | 2014 |
| Templar Ventures Limited | Professional & scientific | 2010 |
| THE Breakthrough Group Limited | Professional & scientific | 1993 |
| THE Chesil Smokery Ltd | Manufacturing | 2011 |
| THE Lime Kiln Devon Limited | Administrative & support | 2023 |
| Therapy Barn Ltd | Health & social care | 2018 |
| Three Point Link Ltd | Wholesale & retail | 2025 |
| Tjpp Aesthetics Ltd | Health & social care | 2019 |
| Topdrawbird Ltd | Hospitality | 2019 |
| Vanessa Bowman Art Limited | Wholesale & retail | 2021 |
| W J Stewart Ltd | Construction | 2002 |
| Wallis Design & Communications Limited | Information & communication | 2011 |
| Walter Midco Limited | Financial services | 2025 |
| Walter Topco Limited | Financial services | 2025 |
| Water Artisans Limited | Administrative & support | 2018 |
| Westminster Insurance Ltd | Financial services | 2004 |
| X Track International Ltd | Administrative & support | 2019 |
| Young Beans Limited | Arts & recreation | 2021 |
| Your Time to Talk Limited | Health & social care | 2023 |