| P J & P a Perrett Limited | Agriculture & fishing | 2009 |
| P J Coombes & SON Limited | Agriculture & fishing | 2005 |
| P.L.B. Transport Limited | Transport & logistics | 2007 |
| Padsicle Ltd | Manufacturing | 2019 |
| Palace Gate Homes Limited | Construction | 2001 |
| Paragon Services (Southern) Limited | Administrative & support | 2006 |
| Parkway Capital Limited | Real estate | 2023 |
| Pass Housing Association Limited (the) | Real estate | 1970 |
| Pasttracks Ltd | Arts & recreation | 2025 |
| Paul Newman Property Consultant Limited | Professional & scientific | 2006 |
| Pedersen Nutrition Ltd | Professional & scientific | 2011 |
| Perfect Fifth Consulting Limited | Professional & scientific | 2026 |
| Performance 3000 Limited | Wholesale & retail | 2004 |
| Perry Farm Limited | Agriculture & fishing | 2014 |
| Perserverance 2 Ltd | Arts & recreation | 2023 |
| Peter Waterer Landscaping Ltd | Administrative & support | 2015 |
| Petrichor Digital Services Ltd | Information & communication | 2021 |
| Pharmaceutical Equipment Ltd | Manufacturing | 2006 |
| Pink and Vanilla Ltd | Wholesale & retail | 2010 |
| POSTIT4ME Limited | Transport & logistics | 2022 |
| Power Limited | Information & communication | 1993 |
| Precision Development Services Ltd | Other services | 2019 |
| Predictable.Digital Ltd | Financial services | 2023 |
| Prinkstreet Limited | Information & communication | 2022 |
| PSE Consulting Limited | Administrative & support | 2006 |
| Qsky Airlines Limited | Transport & logistics | 2022 |
| Quantum Locksmiths Limited | Administrative & support | 2017 |
| R & S Foundations Limited | Construction | 2013 |
| R & S Lewis Joinery Ltd | Construction | 2013 |
| R P Smith Holdings Ltd | Financial services | 2022 |
| R P Smith Properties Limited | Real estate | 2018 |
| R P Smith Roofing Limited | Construction | 1974 |
| R T & C V Perrett Limited | Agriculture & fishing | 2008 |
| R.B. Snook Building Limited | Construction | 1986 |
| Radiographic Support Services Ltd | Professional & scientific | 2021 |
| RAM Ventilation Limited | Manufacturing | 2013 |
| Rare Creation Limited | Extraterritorial | 2011 |
| Redlands Breaks Ltd | Transport & logistics | 2021 |
| Redman Engineering Group Ltd | Professional & scientific | 2025 |
| Renewable Commodities Company Ltd | Agriculture & fishing | 2025 |
| Renovation Building Works Ltd | Construction | 2020 |
| Rephaus Limited | Arts & recreation | 2025 |
| Revsol Property Services Limited | Construction | 2017 |
| RGS Southern Ltd | Other services | 2024 |
| Rice Lake Weighing Systems UK Limited | Administrative & support | 2016 |
| Ridout Partnership Limited | Agriculture & fishing | 2009 |
| Rimmic Ltd | Professional & scientific | 2002 |
| Riotspace Creative Limited | Professional & scientific | 2019 |
| River Quay Ltd | Hospitality | 2010 |
| Rivers Arms Management Limited | Households | 2001 |
| Riversdale Consulting Limited | Administrative & support | 2002 |
| RJ & AL Doggrell Limited | Agriculture & fishing | 2011 |
| Robert Todd Cattle Foot Trimming Services Limited | Agriculture & fishing | 2007 |
| Robson and Young Ltd | Professional & scientific | 2020 |
| Rockbourne Ltd | Real estate | 2021 |
| Rolls Mill Complementary Health Limited | Health & social care | 2002 |
| Rolls Mill Prototyping Ltd | Manufacturing | 2022 |
| Root & Vine Limited | Wholesale & retail | 2003 |
| Rose Engineering (South West) Ltd | Construction | 2014 |
| Rosedale Properties Limited | Real estate | 2003 |
| Rufford Professional Services Limited | Wholesale & retail | 2026 |
| Ruralis Gundry Limited | Financial services | 2022 |
| Ruskin Productions Limited | Information & communication | 2014 |
| RVR Stalbridge Limited | Wholesale & retail | 2018 |
| Ryan's Restaurant Ltd | Hospitality | 2024 |
| RZV Cars Ltd | Wholesale & retail | 2024 |
| Réalta Digital Limited | Information & communication | 2015 |
| S M Simmons (Foot Trimming) Limited | Agriculture & fishing | 2007 |
| S W Teversham Limited | Agriculture & fishing | 2015 |
| S.E Commercial Cleaning Ltd | Administrative & support | 2026 |
| Sandy's Removals (Dorset) Limited | Extraterritorial | 2019 |
| Sarefor Limited | Professional & scientific | 2024 |
| Sbfc Limited | Hospitality | 2018 |
| Scotts Trading Limited | Extraterritorial | 1999 |
| Scr.Ai Ltd | Information & communication | 2025 |
| Seismic Exploration Services Limited | Professional & scientific | 2001 |
| Shaftesbury Chiropractic Ltd | Health & social care | 2014 |
| Shaftesbury Stone Ltd | Mining & quarrying | 2019 |
| Sign & Print Graphix Ltd | Manufacturing | 2008 |
| Simon John Christopher Limited | Professional & scientific | 2002 |
| Sinclair Alliance Limited | Professional & scientific | 2017 |
| Smoke N Hose Ltd | Hospitality | 2025 |
| Smoky Dorset Dreams Ltd | Real estate | 2024 |
| Snbs Holdings Ltd | Financial services | 2019 |
| Solid Fuel Installations Limited | Construction | 2013 |
| Solomon Consulting Limited | Information & communication | 1998 |
| Somer Pictures Ltd | Arts & recreation | 2026 |
| Sound, Entertainment and Scaffold Hire Limited | Construction | 2022 |
| Southerton Consulting Ltd | Professional & scientific | 2018 |
| Specta Properties Limited | Construction | 2001 |
| Spiral Interiors & Joinery Ltd | Manufacturing | 2003 |
| ST Electrical and Renewable Energy Ltd | Construction | 2014 |
| ST. Germaine Limited | Professional & scientific | 2013 |
| ST. Osmund's House (Salisbury) Limited | Real estate | 1981 |
| Stalbridge Community Shop Limited | Health & social care | 2021 |
| Stalbridge Quarries Limited | Mining & quarrying | 1998 |
| Stalbridge Retail Ltd | Wholesale & retail | 2021 |
| Stalbridge Timber Supplies Limited | Manufacturing | 1992 |
| Stockley & SON Plumbers Limited | Construction | 2003 |
| Stormchase Limited | Manufacturing | 2013 |