| Preemptive Property Limited | Real estate | 2014 |
| Present Occasions Limited | Wholesale & retail | 2011 |
| Prestige BM Ltd | Other services | 2024 |
| Prestige Facilities Group Limited | Administrative & support | 2025 |
| Prime HSE Ltd | Public administration | 2023 |
| Prime Renovation (South West) Ltd | Construction | 2020 |
| Princess Gardens Trowbridge Management Company Limited | Administrative & support | 2002 |
| Priory Bay Ltd | Real estate | 2019 |
| Prison Law Consultants (South West) Limited | Professional & scientific | 2015 |
| Pro Carpentry Ltd | Construction | 2015 |
| Pro Edge (SW) Ltd | Construction | 2026 |
| Pro T.E.C.T. Solutions (SW) Ltd. | Transport & logistics | 2015 |
| Proclean Bath and Wiltshire Ltd | Administrative & support | 2021 |
| Proclean Local Swindon Ltd | Administrative & support | 2025 |
| Producer London Ltd | Wholesale & retail | 2025 |
| Production Consultancy Services Ltd | Administrative & support | 2016 |
| Project Semh Ltd | Education | 2019 |
| Property Advancement Limited | Extraterritorial | 2012 |
| Property Lark Investments Ltd | Real estate | 2025 |
| Propertyta Ltd | Real estate | 2024 |
| Proskins 2024 Limited | Professional & scientific | 2015 |
| Prospect Autospares Limited | Wholesale & retail | 2013 |
| Prospect Dental Practice Limited Liability Partnership | | 2008 |
| Prospect DLC Limited | Hospitality | 2022 |
| Prosure Insurance Services LLP | | 2013 |
| Protomax Plastics Limited | Manufacturing | 2005 |
| Provision Media Limited | Professional & scientific | 2009 |
| Psgs Trustee Services Limited | Financial services | 2014 |
| PSL Holdings Ltd | Real estate | 2023 |
| Psychotherapy Excellence Limited | Information & communication | 2012 |
| Pull OUT Pods Ltd | Construction | 2026 |
| Purcell Solutions Ltd | Professional & scientific | 2018 |
| Pure Initiative Limited | Extraterritorial | 2008 |
| Pure LEV Ltd | Professional & scientific | 2024 |
| Pure Pleasure Cleaning Company Limited | Administrative & support | 2023 |
| Purview Property Services Ltd | Professional & scientific | 2015 |
| Push on Media Limited | Information & communication | 2012 |
| PW Projects Limited | Construction | 1991 |
| Qsetc Limited | Professional & scientific | 2022 |
| Qualis Property Developments Ltd | Construction | 2019 |
| Quanta Solutions Limited | Information & communication | 1998 |
| Quantock House Management Limited | Households | 1979 |
| Quest Cleaning Services Ltd | Administrative & support | 2002 |
| Quest Facilities Management Ltd | Administrative & support | 2011 |
| Quick Crepes Limited | Hospitality | 2017 |
| Quickfix Flooring Limited | Construction | 2005 |
| Quixgpt Ltd | Professional & scientific | 2025 |
| R a Curtin Ltd | Administrative & support | 2016 |
| R and S Hospitality Ltd | Other services | 2024 |
| R&D Nails Limited | Other services | 2023 |
| R&N UK Holdings Ltd | Real estate | 2023 |
| R&S Motors (Trowbridge) Limited | Wholesale & retail | 2023 |
| R. Coles Properties Ltd | Real estate | 2016 |
| R.Greenland Construction Ltd | Construction | 2025 |
| R24 Property Limited | Real estate | 2024 |
| Racestream Technology Limited | Professional & scientific | 2021 |
| Radox Radiators Ltd | Wholesale & retail | 2009 |
| Radstock Minibuses & Taxis Limited | Transport & logistics | 2012 |
| Rags to Riches UK Limited | Construction | 2008 |
| Rainbow Laundry Company Ltd | Other services | 2019 |
| Ravenscroft House Management Company Limited | Households | 2020 |
| RAW Public Relations Limited | Professional & scientific | 2025 |
| Rawlings Mill Management Company Limited | Real estate | 2008 |
| RBN Systems Ltd | Professional & scientific | 2025 |
| RCS Inns Ltd | Hospitality | 2025 |
| Really Good Events Limited | Administrative & support | 2024 |
| Recover & Rewind Sauna Limited | Arts & recreation | 2026 |
| Recruitment Acquisitions Group Limited | Administrative & support | 2018 |
| Redbreast Design Limited | Information & communication | 2006 |
| Redi Limited | Wholesale & retail | 2017 |
| Redline Automotive Services Ltd | Wholesale & retail | 2024 |
| Redline Graphics Ltd | Manufacturing | 2026 |
| Redwolf Finance Ltd | Professional & scientific | 2010 |
| Redwood Folly & Garden Limited | Manufacturing | 2007 |
| Reel Wave Ltd | Real estate | 2026 |
| Reggaefolk Publishing Ltd | Information & communication | 2024 |
| Rendx Property Limited | Real estate | 2021 |
| Reni Beauty Ltd | Wholesale & retail | 2023 |
| Renrod Holdings Limited | Professional & scientific | 2003 |
| Renrod Limited | Wholesale & retail | 1975 |
| Rent-A-Bench Ltd | Manufacturing | 2016 |
| Renway Ltd | Construction | 2014 |
| Resilient Leaders Elements Ltd | Professional & scientific | 2019 |
| Revilo Finance Ltd | Administrative & support | 2019 |
| Revilo Furniture Ltd | Wholesale & retail | 2020 |
| Rewind Clothing Ltd | Manufacturing | 2025 |
| Reynolds Cleaning Services Limited | Administrative & support | 2013 |
| RG Locksmith & Trade Services Limited | Manufacturing | 2016 |
| Rhizome Property Investments Limited | Real estate | 2024 |
| Rhizome Property Sourcing Ltd | Real estate | 2024 |
| Rhos Stay Limited | Real estate | 2024 |
| Ri:Id Limited | Arts & recreation | 2020 |
| Richard Perry Foundation, Inc. Ltd | Administrative & support | 2025 |
| Richards & LEE Ltd | Real estate | 2021 |
| Richards Carpet & Flooring Ltd | Construction | 2024 |
| Richwood Financial Services Limited | Financial services | 2005 |
| Rick's Kitchen & BBQ Ltd | Hospitality | 2024 |
| Rikamena Group Ltd | Wholesale & retail | 2019 |
| Rise Together International | Education | 2026 |
| Rising Star Takeaway Ltd | Hospitality | 2025 |